Open-source control plane for your AI agents. Connect tools, hire agents, track every token and dollar

A list of practical projects that anyone can solve in any programming language (See solutions). These projects are divided into multiple categories, and each category has its own folder. To get started, simply fork this repo. CONTRIBUTING See ways of contributing to this repo. You can contribute solutions (will be published in this repo) to existing problems, add new projects, or remove existing ones. Make sure you follow all instructions properly. Solutions You can find implementations of these projects in many other languages by other users in this repo. Credits Problems are motivated by the ones shared at: Martyr2’s Mega Project List Rosetta Code Table of Contents Numbers Classic Algorithms Graph Data Structures Text Networking Classes Threading Web Files Databases Graphics and Multimedia Security Numbers Find PI to the Nth Digit - Enter a number and have the program generate PI up to that many decimal places. Keep a limit to how far the program will go. Find e to the Nth Digit - Just like the previous problem, but with e instead of PI. Enter a number and have the program generate e up to that many decimal places. Keep a limit to how far the program will go. Fibonacci Sequence - Enter a number and have the program generate the Fibonacci sequence to that number or to the Nth number. Prime Factorization - Have the user enter a number and find all Prime Factors (if there are any) and display them. Next Prime Number - Have the program find prime numbers until the user chooses to stop asking for the next one. Find Cost of Tile to Cover W x H Floor - Calculate the total cost of the tile it would take to cover a floor plan of width and height, using a cost entered by the user. Mortgage Calculator - Calculate the monthly payments of a fixed-term mortgage over given Nth terms at a given interest rate. Also, figure out how long it will take the user to pay back the loan. For added complexity, add an option for users to select the compounding interval (Monthly, Weekly, Daily, Continually). Change Return Program - The user enters a cost and then the amount of money given. The program will figure out the change and the number of quarters, dimes, nickels, pennies needed for the change. Binary to Decimal and Back Converter - Develop a converter to convert a decimal number to binary or a binary number to its decimal equivalent. Calculator - A simple calculator to do basic operators. Make it a scientific calculator for added complexity. Unit Converter (temp, currency, volume, mass, and more) - Converts various units between one another. The user enters the type of unit being entered, the type of unit they want to convert to, and then the value. The program will then make the conversion. Alarm Clock - A simple clock where it plays a sound after X number of minutes/seconds or at a particular time. Distance Between Two Cities - Calculates the distance between two cities and allows the user to specify a unit of distance. This program may require finding coordinates for the cities like latitude and longitude. Credit Card Validator - Takes in a credit card number from a common credit card vendor (Visa, MasterCard, American Express, Discoverer) and validates it to make sure that it is a valid number (look into how credit cards use a checksum). Tax Calculator - Asks the user to enter a cost and either a country or state tax. It then returns the tax plus the total cost with tax. Factorial Finder - The Factorial of a positive integer, n, is defined as the product of the sequence n, n-1, n-2, ...1, and the factorial of zero, 0, is defined as being 1. Solve this using both loops and recursion. Complex Number Algebra - Show addition, multiplication, negation, and inversion of complex numbers in separate functions. (Subtraction and division operations can be made with pairs of these operations.) Print the results for each operation tested. Happy Numbers - A happy number is defined by the following process. Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 (where it will stay), or it loops endlessly in a cycle which does not include 1. Those numbers for which this process ends in 1 are happy numbers, while those that do not end in 1 are unhappy numbers. Display an example of your output here. Find the first 8 happy numbers. Number Names - Show how to spell out a number in English. You can use a preexisting implementation or roll your own, but you should support inputs up to at least one million (or the maximum value of your language's default bounded integer type if that's less). Optional: Support for inputs other than positive integers (like zero, negative integers, and floating-point numbers). Coin Flip Simulation - Write some code that simulates flipping a single coin however many times the user decides. The code should record the outcomes and count the number of tails and heads. Limit Calculator - Ask the user to enter f(x) and the limit value, then return the value of the limit statement Optional: Make the calculator capable of supporting infinite limits. Fast Exponentiation - Ask the user to enter 2 integers a and b and output a^b (i.e. pow(a,b)) in O(LG n) time complexity. Classic Algorithms Collatz Conjecture - Start with a number n > 1. Find the number of steps it takes to reach one using the following process: If n is even, divide it by 2. If n is odd, multiply it by 3 and add 1. Sorting - Implement two types of sorting algorithms: Merge sort and bubble sort. Closest pair problem - The closest pair of points problem or closest pair problem is a problem of computational geometry: given n points in metric space, find a pair of points with the smallest distance between them. Sieve of Eratosthenes - The sieve of Eratosthenes is one of the most efficient ways to find all of the smaller primes (below 10 million or so). Graph Graph from links - Create a program that will create a graph or network from a series of links. Eulerian Path - Create a program that will take as an input a graph and output either an Eulerian path or an Eulerian cycle, or state that it is not possible. An Eulerian path starts at one node and traverses every edge of a graph through every node and finishes at another node. An Eulerian cycle is an eulerian Path that starts and finishes at the same node. Connected Graph - Create a program that takes a graph as an input and outputs whether every node is connected or not. Dijkstra’s Algorithm - Create a program that finds the shortest path through a graph using its edges. Minimum Spanning Tree - Create a program that takes a connected, undirected graph with weights and outputs the minimum spanning tree of the graph i.e., a subgraph that is a tree, contains all the vertices, and the sum of its weights is the least possible. Data Structures Inverted index - An Inverted Index is a data structure used to create full-text search. Given a set of text files, implement a program to create an inverted index. Also, create a user interface to do a search using that inverted index which returns a list of files that contain the query term/terms. The search index can be in memory. Text Fizz Buzz - Write a program that prints the numbers from 1 to 100. But for multiples of three print “Fizz” instead of the number and for the multiples of five print “Buzz”. For numbers which are multiples of both three and five print “FizzBuzz”. Reverse a String - Enter a string and the program will reverse it and print it out. Pig Latin - Pig Latin is a game of alterations played in the English language game. To create the Pig Latin form of an English word the initial consonant sound is transposed to the end of the word and an ay is affixed (Ex.: "banana" would yield anana-bay). Read Wikipedia for more information on rules. Count Vowels - Enter a string and the program counts the number of vowels in the text. For added complexity have it report a sum of each vowel found. Check if Palindrome - Checks if the string entered by the user is a palindrome. That is that it reads the same forwards as backward like “racecar” Count Words in a String - Counts the number of individual words in a string. For added complexity read these strings in from a text file and generate a summary. Text Editor - Notepad-style application that can open, edit, and save text documents. Optional: Add syntax highlighting and other features. RSS Feed Creator - Given a link to RSS/Atom Feed, get all posts and display them. Quote Tracker (market symbols etc) - A program that can go out and check the current value of stocks for a list of symbols entered by the user. The user can set how often the stocks are checked. For CLI, show whether the stock has moved up or down. Optional: If GUI, the program can show green up and red down arrows to show which direction the stock value has moved. Guestbook / Journal - A simple application that allows people to add comments or write journal entries. It can allow comments or not and timestamps for all entries. Could also be made into a shoutbox. Optional: Deploy it on Google App Engine or Heroku or any other PaaS (if possible, of course). Vigenere / Vernam / Ceasar Ciphers - Functions for encrypting and decrypting data messages. Then send them to a friend. Regex Query Tool - A tool that allows the user to enter a text string and then in a separate control enter a regex pattern. It will run the regular expression against the source text and return any matches or flag errors in the regular expression. Networking FTP Program - A file transfer program that can transfer files back and forth from a remote web sever. Bandwidth Monitor - A small utility program that tracks how much data you have uploaded and downloaded from the net during the course of your current online session. See if you can find out what periods of the day you use more and less and generate a report or graph that shows it. Port Scanner - Enter an IP address and a port range where the program will then attempt to find open ports on the given computer by connecting to each of them. On any successful connections mark the port as open. Mail Checker (POP3 / IMAP) - The user enters various account information include web server and IP, protocol type (POP3 or IMAP), and the application will check for email at a given interval. Country from IP Lookup - Enter an IP address and find the country that IP is registered in. Optional: Find the Ip automatically. Whois Search Tool - Enter an IP or host address and have it look it up through whois and return the results to you. Site Checker with Time Scheduling - An application that attempts to connect to a website or server every so many minute or a given time and check if it is up. If it is down, it will notify you by email or by posting a notice on the screen. Classes Product Inventory Project - Create an application that manages an inventory of products. Create a product class that has a price, id, and quantity on hand. Then create an inventory class that keeps track of various products and can sum up the inventory value. Airline / Hotel Reservation System - Create a reservation system that books airline seats or hotel rooms. It charges various rates for particular sections of the plane or hotel. For example, first class is going to cost more than a coach. Hotel rooms have penthouse suites which cost more. Keep track of when rooms will be available and can be scheduled. Company Manager - Create a hierarchy of classes - abstract class Employee and subclasses HourlyEmployee, SalariedEmployee, Manager, and Executive. Everyone's pay is calculated differently, research a bit about it. After you've established an employee hierarchy, create a Company class that allows you to manage the employees. You should be able to hire, fire, and raise employees. Bank Account Manager - Create a class called Account which will be an abstract class for three other classes called CheckingAccount, SavingsAccount, and BusinessAccount. Manage credits and debits from these accounts through an ATM-style program. Patient / Doctor Scheduler - Create a patient class and a doctor class. Have a doctor that can handle multiple patients and set up a scheduling program where a doctor can only handle 16 patients during an 8 hr workday. Recipe Creator and Manager - Create a recipe class with ingredients and put them in a recipe manager program that organizes them into categories like desserts, main courses, or by ingredients like chicken, beef, soups, pies, etc. Image Gallery - Create an image abstract class and then a class that inherits from it for each image type. Put them in a program that displays them in a gallery-style format for viewing. Shape Area and Perimeter Classes - Create an abstract class called Shape and then inherit from it other shapes like diamond, rectangle, circle, triangle, etc. Then have each class override the area and perimeter functionality to handle each shape type. Flower Shop Ordering To Go - Create a flower shop application that deals in flower objects and use those flower objects in a bouquet object which can then be sold. Keep track of the number of objects and when you may need to order more. Family Tree Creator - Create a class called Person which will have a name, when they were born, and when (and if) they died. Allow the user to create these Person classes and put them into a family tree structure. Print out the tree to the screen. Threading Create A Progress Bar for Downloads - Create a progress bar for applications that can keep track of a download in progress. The progress bar will be on a separate thread and will communicate with the main thread using delegates. Bulk Thumbnail Creator - Picture processing can take a bit of time for some transformations. Especially if the image is large. Create an image program that can take hundreds of images and converts them to a specified size in the background thread while you do other things. For added complexity, have one thread handling re-sizing, have another bulk renaming of thumbnails, etc. Web Page Scraper - Create an application that connects to a site and pulls out all links, or images, and saves them to a list. Optional: Organize the indexed content and don’t allow duplicates. Have it put the results into an easily searchable index file. Online White Board - Create an application that allows you to draw pictures, write notes and use various colors to flesh out ideas for projects. Optional: Add a feature to invite friends to collaborate on a whiteboard online. Get Atomic Time from Internet Clock - This program will get the true atomic time from an atomic time clock on the Internet. Use any one of the atomic clocks returned by a simple Google search. Fetch Current Weather - Get the current weather for a given zip/postal code. Optional: Try locating the user automatically. Scheduled Auto Login and Action - Make an application that logs into a given site on a schedule and invokes a certain action and then logs out. This can be useful for checking webmail, posting regular content, or getting info for other applications and saving it to your computer. E-Card Generator - Make a site that allows people to generate their own little e-cards and send them to other people. Do not use Flash. Use a picture library and perhaps insightful mottos or quotes. Content Management System - Create a content management system (CMS) like Joomla, Drupal, PHP Nuke, etc. Start small. Optional: Allow for the addition of modules/addons. Web Board (Forum) - Create a forum for you and your buddies to post, administer and share thoughts and ideas. CAPTCHA Maker - Ever see those images with letters numbers when you signup for a service and then ask you to enter what you see? It keeps web bots from automatically signing up and spamming. Try creating one yourself for online forms. Files Quiz Maker - Make an application that takes various questions from a file, picked randomly, and puts together a quiz for students. Each quiz can be different and then reads a key to grade the quizzes. Sort Excel/CSV File Utility - Reads a file of records, sorts them, and then writes them back to the file. Allow the user to choose various sort style and sorting based on a particular field. Create Zip File Maker - The user enters various files from different directories and the program zips them up into a zip file. Optional: Apply actual compression to the files. Start with Huffman Algorithm. PDF Generator - An application that can read in a text file, HTML file, or some other file and generates a PDF file out of it. Great for a web-based service where the user uploads the file and the program returns a PDF of the file. Optional: Deploy on GAE or Heroku if possible. Mp3 Tagger - Modify and add ID3v1 tags to MP3 files. See if you can also add in the album art into the MP3 file’s header as well as other ID3v2 tags. Code Snippet Manager - Another utility program that allows coders to put in functions, classes, or other tidbits to save for use later. Organized by the type of snippet or language the coder can quickly lookup code. Optional: For extra practice try adding syntax highlighting based on the language. Databases SQL Query Analyzer - A utility application in which a user can enter a query and have it run against a local database and look for ways to make it more efficient. Remote SQL Tool - A utility that can execute queries on remote servers from your local computer across the Internet. It should take in a remote host, user name, and password, run the query and return the results. Report Generator - Create a utility that generates a report based on some tables in a database. Generates sales reports based on the order/order details tables or sums up the day's current database activity. Event Scheduler and Calendar - Make an application that allows the user to enter a date and time of an event, event notes, and then schedule those events on a calendar. The user can then browse the calendar or search the calendar for specific events. Optional: Allow the application to create re-occurrence events that reoccur every day, week, month, year, etc. Budget Tracker - Write an application that keeps track of a household’s budget. The user can add expenses, income, and recurring costs to find out how much they are saving or losing over a period of time. Optional: Allow the user to specify a date range and see the net flow of money in and out of the house budget for that time period. TV Show Tracker - Got a favorite show you don’t want to miss? Don’t have a PVR or want to be able to find the show to then PVR it later? Make an application that can search various online TV Guide sites, locate the shows/times/channels and add them to a database application. The database/website then can send you email reminders that a show is about to start and which channel it will be on. Travel Planner System - Make a system that allows users to put together their own little travel itinerary and keep track of the airline/hotel arrangements, points of interest, budget, and schedule. Graphics and Multimedia Slide Show - Make an application that shows various pictures in a slide show format. Optional: Try adding various effects like fade in/out, star wipe, and window blinds transitions. Stream Video from Online - Try to create your own online streaming video player. Mp3 Player - A simple program for playing your favorite music files. Add features you think are missing from your favorite music player. Watermarking Application - Have some pictures you want copyright protected? Add your own logo or text lightly across the background so that no one can simply steal your graphics off your site. Make a program that will add this watermark to the picture. Optional: Use threading to process multiple images simultaneously. Turtle Graphics - This is a common project where you create a floor of 20 x 20 squares. Using various commands you tell a turtle to draw a line on the floor. You have moved forward, left or right, lift or drop the pen, etc. Do a search online for "Turtle Graphics" for more information. Optional: Allow the program to read in the list of commands from a file. GIF Creator A program that puts together multiple images (PNGs, JPGs, TIFFs) to make a smooth GIF that can be exported. Optional: Make the program convert small video files to GIFs as well. Security Caesar cipher - Implement a Caesar cipher, both encoding, and decoding. The key is an integer from 1 to 25. This cipher rotates the letters of the alphabet (A to Z). The encoding replaces each letter with the 1st to 25th next letter in the alphabet (wrapping Z to A). So key 2 encrypts "HI" to "JK", but key 20 encrypts "HI" to "BC". This simple "monoalphabetic substitution cipher" provides almost no security, because an attacker who has the encoded message can either use frequency analysis to guess the key, or just try all 25 keys.

An ANN is a model based on a collection of connected units or nodes called "artificial neurons", which loosely model the neurons in a biological brain. Each connection, like the synapses in a biological brain, can transmit information, a "signal", from one artificial neuron to another. An artificial neuron that receives a signal can process it and then signal additional artificial neurons connected to it. In common ANN implementations, the signal at a connection between artificial neurons is a real number, and the output of each artificial neuron is computed by some non-linear function of the sum of its inputs. The connections between artificial neurons are called "edges". Artificial neurons and edges typically have a weight that adjusts as learning proceeds. The weight increases or decreases the strength of the signal at a connection. Artificial neurons may have a threshold such that the signal is only sent if the aggregate signal crosses that threshold. Typically, artificial neurons are aggregated into layers. Different layers may perform different kinds of transformations on their inputs. Signals travel from the first layer (the input layer) to the last layer (the output layer), possibly after traversing the layers multiple times. The original goal of the ANN approach was to solve problems in the same way that a human brain would. However, over time, attention moved to performing specific tasks, leading to deviations from biology. Artificial neural networks have been used on a variety of tasks, including computer vision, speech recognition, machine translation, social network filtering, playing board and video games and medical diagnosis. Deep learning consists of multiple hidden layers in an artificial neural network. This approach tries to model the way the human brain processes light and sound into vision and hearing. Some successful applications of deep learning are computer vision and speech recognition.[68] Decision trees Main article: Decision tree learning Decision tree learning uses a decision tree as a predictive model to go from observations about an item (represented in the branches) to conclusions about the item's target value (represented in the leaves). It is one of the predictive modeling approaches used in statistics, data mining, and machine learning. Tree models where the target variable can take a discrete set of values are called classification trees; in these tree structures, leaves represent class labels and branches represent conjunctions of features that lead to those class labels. Decision trees where the target variable can take continuous values (typically real numbers) are called regression trees. In decision analysis, a decision tree can be used to visually and explicitly represent decisions and decision making. In data mining, a decision tree describes data, but the resulting classification tree can be an input for decision making. Support vector machines Main article: Support vector machines Support vector machines (SVMs), also known as support vector networks, are a set of related supervised learning methods used for classification and regression. Given a set of training examples, each marked as belonging to one of two categories, an SVM training algorithm builds a model that predicts whether a new example falls into one category or the other.[69] An SVM training algorithm is a non-probabilistic, binary, linear classifier, although methods such as Platt scaling exist to use SVM in a probabilistic classification setting. In addition to performing linear classification, SVMs can efficiently perform a non-linear classification using what is called the kernel trick, implicitly mapping their inputs into high-dimensional feature spaces. Illustration of linear regression on a data set. Regression analysis Main article: Regression analysis Regression analysis encompasses a large variety of statistical methods to estimate the relationship between input variables and their associated features. Its most common form is linear regression, where a single line is drawn to best fit the given data according to a mathematical criterion such as ordinary least squares. The latter is often extended by regularization (mathematics) methods to mitigate overfitting and bias, as in ridge regression. When dealing with non-linear problems, go-to models include polynomial regression (for example, used for trendline fitting in Microsoft Excel[70]), logistic regression (often used in statistical classification) or even kernel regression, which introduces non-linearity by taking advantage of the kernel trick to implicitly map input variables to higher-dimensional space. Bayesian networks Main article: Bayesian network A simple Bayesian network. Rain influences whether the sprinkler is activated, and both rain and the sprinkler influence whether the grass is wet. A Bayesian network, belief network, or directed acyclic graphical model is a probabilistic graphical model that represents a set of random variables and their conditional independence with a directed acyclic graph (DAG). For example, a Bayesian network could represent the probabilistic relationships between diseases and symptoms. Given symptoms, the network can be used to compute the probabilities of the presence of various diseases. Efficient algorithms exist that perform inference and learning. Bayesian networks that model sequences of variables, like speech signals or protein sequences, are called dynamic Bayesian networks. Generalizations of Bayesian networks that can represent and solve decision problems under uncertainty are called influence diagrams. Genetic algorithms Main article: Genetic algorithm A genetic algorithm (GA) is a search algorithm and heuristic technique that mimics the process of natural selection, using methods such as mutation and crossover to generate new genotypes in the hope of finding good solutions to a given problem. In machine learning, genetic algorithms were used in the 1980s and 1990s.[71][72] Conversely, machine learning techniques have been used to improve the performance of genetic and evolutionary algorithms.[73] Training models Usually, machine learning models require a lot of data in order for them to perform well. Usually, when training a machine learning model, one needs to collect a large, representative sample of data from a training set. Data from the training set can be as varied as a corpus of text, a collection of images, and data collected from individual users of a service. Overfitting is something to watch out for when training a machine learning model. Federated learning Main article: Federated learning Federated learning is an adapted form of distributed artificial intelligence to training machine learning models that decentralizes the training process, allowing for users' privacy to be maintained by not needing to send their data to a centralized server. This also increases efficiency by decentralizing the training process to many devices. For example, Gboard uses federated machine learning to train search query prediction models on users' mobile phones without having to send individual searches back to Google.[74] Applications There are many applications for machine learning, including: Agriculture Anatomy Adaptive websites Affective computing Banking Bioinformatics Brain–machine interfaces Cheminformatics Citizen science Computer networks Computer vision Credit-card fraud detection Data quality DNA sequence classification Economics Financial market analysis[75] General game playing Handwriting recognition Information retrieval Insurance Internet fraud detection Linguistics Machine learning control Machine perception Machine translation Marketing Medical diagnosis Natural language processing Natural language understanding Online advertising Optimization Recommender systems Robot locomotion Search engines Sentiment analysis Sequence mining Software engineering Speech recognition Structural health monitoring Syntactic pattern recognition Telecommunication Theorem proving Time series forecasting User behavior analytics In 2006, the media-services provider Netflix held the first "Netflix Prize" competition to find a program to better predict user preferences and improve the accuracy of its existing Cinematch movie recommendation algorithm by at least 10%. A joint team made up of researchers from AT&T Labs-Research in collaboration with the teams Big Chaos and Pragmatic Theory built an ensemble model to win the Grand Prize in 2009 for $1 million.[76] Shortly after the prize was awarded, Netflix realized that viewers' ratings were not the best indicators of their viewing patterns ("everything is a recommendation") and they changed their recommendation engine accordingly.[77] In 2010 The Wall Street Journal wrote about the firm Rebellion Research and their use of machine learning to predict the financial crisis.[78] In 2012, co-founder of Sun Microsystems, Vinod Khosla, predicted that 80% of medical doctors' jobs would be lost in the next two decades to automated machine learning medical diagnostic software.[79] In 2014, it was reported that a machine learning algorithm had been applied in the field of art history to study fine art paintings and that it may have revealed previously unrecognized influences among artists.[80] In 2019 Springer Nature published the first research book created using machine learning.[81] Limitations Although machine learning has been transformative in some fields, machine-learning programs often fail to deliver expected results.[82][83][84] Reasons for this are numerous: lack of (suitable) data, lack of access to the data, data bias, privacy problems, badly chosen tasks and algorithms, wrong tools and people, lack of resources, and evaluation problems.[85] In 2018, a self-driving car from Uber failed to detect a pedestrian, who was killed after a collision.[86] Attempts to use machine learning in healthcare with the IBM Watson system failed to deliver even after years of time and billions of dollars invested.[87][88] Bias Main article: Algorithmic bias Machine learning approaches in particular can suffer from different data biases. A machine learning system trained on current customers only may not be able to predict the needs of new customer groups that are not represented in the training data. When trained on man-made data, machine learning is likely to pick up the same constitutional and unconscious biases already present in society.[89] Language models learned from data have been shown to contain human-like biases.[90][91] Machine learning systems used for criminal risk assessment have been found to be biased against black people.[92][93] In 2015, Google photos would often tag black people as gorillas,[94] and in 2018 this still was not well resolved, but Google reportedly was still using the workaround to remove all gorillas from the training data, and thus was not able to recognize real gorillas at all.[95] Similar issues with recognizing non-white people have been found in many other systems.[96] In 2016, Microsoft tested a chatbot that learned from Twitter, and it quickly picked up racist and sexist language.[97] Because of such challenges, the effective use of machine learning may take longer to be adopted in other domains.[98] Concern for fairness in machine learning, that is, reducing bias in machine learning and propelling its use for human good is increasingly expressed by artificial intelligence scientists, including Fei-Fei Li, who reminds engineers that "There’s nothing artificial about AI...It’s inspired by people, it’s created by people, and—most importantly—it impacts people. It is a powerful tool we are only just beginning to understand, and that is a profound responsibility.”[99] Model assessments Classification of machine learning models can be validated by accuracy estimation techniques like the holdout method, which splits the data in a training and test set (conventionally 2/3 training set and 1/3 test set designation) and evaluates the performance of the training model on the test set. In comparison, the K-fold-cross-validation method randomly partitions the data into K subsets and then K experiments are performed each respectively considering 1 subset for evaluation and the remaining K-1 subsets for training the model. In addition to the holdout and cross-validation methods, bootstrap, which samples n instances with replacement from the dataset, can be used to assess model accuracy.[100] In addition to overall accuracy, investigators frequently report sensitivity and specificity meaning True Positive Rate (TPR) and True Negative Rate (TNR) respectively. Similarly, investigators sometimes report the false positive rate (FPR) as well as the false negative rate (FNR). However, these rates are ratios that fail to reveal their numerators and denominators. The total operating characteristic (TOC) is an effective method to express a model's diagnostic ability. TOC shows the numerators and denominators of the previously mentioned rates, thus TOC provides more information than the commonly used receiver operating characteristic (ROC) and ROC's associated area under the curve (AUC).[101] Ethics Machine learning poses a host of ethical questions. Systems which are trained on datasets collected with biases may exhibit these biases upon use (algorithmic bias), thus digitizing cultural prejudices.[102] For example, using job hiring data from a firm with racist hiring policies may lead to a machine learning system duplicating the bias by scoring job applicants against similarity to previous successful applicants.[103][104] Responsible collection of data and documentation of algorithmic rules used by a system thus is a critical part of machine learning. Because human languages contain biases, machines trained on language corpora will necessarily also learn these biases.[105][106] Other forms of ethical challenges, not related to personal biases, are more seen in health care. There are concerns among health care professionals that these systems might not be designed in the public's interest but as income-generating machines. This is especially true in the United States where there is a long-standing ethical dilemma of improving health care, but also increasing profits. For example, the algorithms could be designed to provide patients with unnecessary tests or medication in which the algorithm's proprietary owners hold stakes. There is huge potential for machine learning in health care to provide professionals a great tool to diagnose, medicate, and even plan recovery paths for patients, but this will not happen until the personal biases mentioned previously, and these "greed" biases are addressed.[107] Hardware Since the 2010s, advances in both machine learning algorithms and computer hardware have led to more efficient methods for training deep neural networks (a particular narrow subdomain of machine learning) that contain many layers of non-linear hidden units.[108] By 2019, graphic processing units (GPUs), often with AI-specific enhancements, had displaced CPUs as the dominant method of training large-scale commercial cloud AI.[109] OpenAI estimated the hardware compute used in the largest deep learning projects from AlexNet (2012) to AlphaZero (2017), and found a 300,000-fold increase in the amount of compute required, with a doubling-time trendline of 3.4 months.[110][111] Software Software suites containing a variety of machine learning algorithms include the following: Free and open-source so

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What is JavaScript and what does it do? Before you start learning something new, it’s important to understand exactly what it is and what it does. This is especially useful when it comes to mastering a new programming language. In simple terms, JavaScript is a programming language used to make websites interactive. If you think about the basic makeup of a website, you have HTML, which describes and defines the basic content and structure of the website, then you have CSS, which tells the browser how this HTML content should be displayed—determining things like color and font. With just HTML and CSS, you have a website that looks good but doesn’t actually do much. JavaScript brings the website to life by adding functionality. JavaScript is responsible for elements that the user can interact with, such as drop-down menus, modal windows, and contact forms. It is also used to create things like animations, video players, and interactive maps. Nowadays, JavaScript is an all-purpose programming language—meaning it runs across the entire software stack. The most popular application of JavaScript is on the client side (aka frontend), but since Node.js came on the scene, many people run JavaScript on the server side (aka backend) as well. When used on the client side, JavaScript code is read, interpreted, and executed in the user’s web browser. When used on the server side, it is run on a remote computer. You can learn more about the difference between frontend and backend programming here. JavaScript isn’t only used to create websites. It can also be used to build browser-based games and, with the help of certain frameworks, mobile apps for different operating systems. The creation of new libraries and frameworks is also making it possible to build backend programs with JavaScript, such as web apps and server apps. Is it still worth learning JavaScript in 2021? The world of web development is constantly moving. With so many new tools popping up all the time, it can be extremely difficult to know where you should focus your efforts. As an aspiring developer, you’ll want to make sure that what you’re learning is still relevant in today’s industry. If you’re having doubts about JavaScript, it’s important to know that, since its creation in 1995, JavaScript is pretty much everywhere on the web—and that’s not likely to change any time soon. According to the 2020 StackOverflow developer survey, JavaScript is the most commonly used programming language for the eighth year in a row. It is currently used by 94.5% of all websites and, despite originally being designed as a client-side language, JavaScript has now made its way to the server-side of websites (thanks to Node.js), mobile devices (thanks to React Native and Ionic) and desktop (courtesy of Electron). As long as people are interacting with the web, you can assume that JavaScript is highly relevant—there’s no doubt that this is a language worth knowing! With that in mind, let’s look at some of the key benefits of becoming a JavaScript expert. Why learn JavaScript? The most obvious reason for learning JavaScript is if you have hopes of becoming a web developer. Even if you haven’t got your heart set on a tech career, being proficient in JavaScript will enable you to build websites from scratch—a pretty useful skill to have in today’s job market! If you do want to become a web developer, here are some of the main reasons why you should learn JavaScript: JavaScript experts are versatile JavaScript is an extremely versatile language. Once you’ve mastered it, the possibilities are endless: you can code on the client-side (frontend) using Angular and on the server-side (backend) using Node.js. You can also develop web, mobile, and desktop apps using React, React Native, and Electron, and you can even get involved in machine learning. If you want to become a frontend developer, JavaScript is a prerequisite. However, that’s not the only career path open to you as a JavaScript expert. Mastering this key programming language could see you go on to work in full-stack development, games development, information security software engineering, machine learning, and artificial intelligence—to name just a few! Ultimately, if you want any kind of development or engineering career, proficiency in JavaScript is a must. JavaScript experts are in-demand (and well-paid) JavaScript is the most popular programming language in the world, so it’s no wonder that JavaScript is one of the most sought-after skills in the web development industry today. According to the Devskiller IT Skills and Hiring Report 2020, 72% of companies are looking to hire JavaScript experts. Enter the search term “JavaScript” on job site Indeed and you’ll find over 40,000 jobs requiring this skill (in the US). Run the same search on LinkedIn and the results are in excess of 125,000. At the same time, the global demand for JavaScript seems to outweigh the expertise available on the market. According to this 2018 HackerRank report, 48% of employers worldwide need developers with JavaScript skills, while only 42% of student developers claim to be proficient in JavaScript. And, in their most recent report for 2020, HackerRank once again reports that JavaScript is the most popular language that hiring mangers look for in a web developer candidate. Not only are JavaScript experts in demand—they are also well-paid. In the United States, JavaScript developers earn an average yearly salary of $111,953 per year. We’ve covered this topic in more detail in our JavaScript salary guide, but as you can see, learning JavaScript can really boost your earning potential as a developer. JavaScript is beginner-friendly Compared to many other programming languages, JavaScript offers one of the more beginner-friendly entry points into the world of coding. The great thing about JavaScript is that it comes installed on every modern web browser—there’s no need to set up any kind of development environment, which means you can start coding with JavaScript right away! Another advantage of learning JavaScript as your first programming language is that you get instant feedback; with a minimal amount of JavaScript code, you’ll immediately see visible results. There’s also a huge JavaScript community on sites like Stack Overflow, so you’ll find plenty of support as you learn. Not only is JavaScript beginner-friendly; it will also set you up with some extremely valuable transferable skills. JavaScript supports object-oriented, functional, and imperative styles of programming—skills which can be transferred to any new language you might learn later on, such as Python, Java, or C++. JavaScript provides a crucial introduction to key principles and practices that you’ll take with you throughout your career as a developer. Should you learn plain JavaScript first or can you skip to frameworks and libraries? When deciding whether or not to learn JavaScript, what you’re really asking is whether or not you should learn “vanilla” JavaScript. Vanilla JavaScript just means plain JavaScript without any libraries or frameworks. Let’s explore what this means in more detail now. What is meant by vanilla JavaScript, libraries, and frameworks? If you research the term “vanilla JavaScript”, you might run into some confusion; however, all you need to know is that vanilla JavaScript is used to refer to native, standards-based, non-extended JavaScript. There is no difference between vanilla JavaScript and JavaScript—it’s just there to emphasize the usage of plain JavaScript without the use of libraries and frameworks. So what are libraries and frameworks? JavaScript libraries and frameworks both contain sets of prewritten, ready-to-use JavaScript code—but they’re not the same thing. You can think of a framework as your blueprint for building a website: it gives you a structure to work from, and contains ready-made components and tools that help you to build certain elements much quicker than if you were to code them from scratch. Some popular JavaScript frameworks include Angular, React, Vue, and Node.js. Frameworks also contain libraries. Libraries are smaller than frameworks, and tend to be used for more specific cases. A JavaScript library contains sets of JavaScript code which can be called upon to implement certain functions and features. Let’s imagine you want to code a particular element into your website. You could write, say, ten lines of JavaScript from scratch—or you could take the condensed, ready-made version from your chosen JavaScript library. Some examples of JavaScript libraries include jQuery, Lodash, and Underscore. The easiest way to understand how frameworks and libraries work together is to imagine you are building a house. The framework provides the foundation and the structure, while the library enables you to add in ready-made components (like furniture) rather than building your own from scratch. You can learn more about the relationship between languages and libraries in this post explaining the main differences between JavaScript and jQuery. For now, let’s go back to our original question: How important is it to learn vanilla JavaScript? Should you learn vanilla JavaScript first? When it comes to learning JavaScript, it can be tempting to skip ahead to those time-saving frameworks and libraries we just talked about—and many developers do. However, there are many compelling arguments for learning plain JavaScript first. While JavaScript frameworks may help you get the job done quicker, there’s only so far you can go if you don’t understand the core concepts behind these frameworks. Frontend developer Abhishek Nagekar describes how not learning vanilla JavaScript came back to bite him when he started learning the JavaScript frameworks Node and Express: “As I went to write more and more code in Node and Express, I began to get stuck at even the tiniest problems. Suddenly, I was surrounded with words like callbacks, closures, event loop and prototype. It felt like I got a reintroduction to JavaScript, but this time, it was not a toddler playing in its cradle, it was something of a mysterious monster, challenging me on every other step for not having taken it seriously.” The above Tweet references a long-running joke within the developer community, and although it dates way back to 2015, it’s still highly relevant today. If you want to become a developer who can innovate, not just execute, you need to understand the underlying principles of the web—not just the shortcuts. This means learning vanilla JavaScript before you move on to frameworks. In fact, understanding plain JavaScript will help you later on when it comes to deciding whether to use a framework for a certain project, and if so, which framework to use. Why Study JavaScript? JavaScript is one of the 3 languages all web developers must learn: 1. HTML to define the content of web pages 2. CSS to specify the layout of web pages 3. JavaScript to program the behavior of web pages Learning Speed In this tutorial, the learning speed is your choice. Everything is up to you. If you are struggling, take a break, or re-read the material. Always make sure you understand all the "Try-it-Yourself" examples. The only way to become a clever programmer is to: Practice. Practice. Practice. Code. Code. Code ! Commonly Asked Questions How do I get JavaScript? Where can I download JavaScript? Is JavaScript Free? You don't have to get or download JavaScript. JavaScript is already running in your browser on your computer, on your tablet, and on your smart-phone. JavaScript is free to use for everyone.

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Ethereum has brought us tools like Smart Contract, Dapp and DAO creation, deployment, and management. We can easily pay someone without ever hitting the send button, access decentralized applications that cannot be censored or shut down and we can be part of Decentralized Autonomous Organizations. Mistakes were made, bugs were found, and recently, millions were lost. Some are calling The DAO hack the most expensive bug bounty ever held, but whoever said this certainly didn’t have his Ether invested in The DAO, as the situation regarding the seizure of the stolen funds doesn’t seem to be improving. The DAO happened, it failed, all we can do now is move on and learn from our mistakes. The problem is that if we keep learning from $50m errors, we’ll be the wisest and poorest people on the planet. That’s why it’s good to have training wheels sometimes. Ethereum is the perfect playground for skilled developers, but with its 700% value increase since creation, it has made Solidity, one of the programming languages in Ethereum, a very expensive toy. That’s why Krypton has launched an open invitation to all developers to poke around the Krypton blockchain and see what it has to offer. Krypton (KR) is an Ethereum-based cryptocurrency that allows users all the same features and perks (Smart Contracts, Dapps, DAOs, DACs) but for a lower “price.” Ethereum transaction fees, which are known as “Gas” are spent according to computational costs, which means that the higher the price of Ether, the higher those costs will be. covertress, the Krypton founder, and project manager said: We’ve contacted several faculties at major universities and invited them to use the KR chain for this purpose. All of this means that developers have a testbed for smart contracts and Dapps, which are less expensive to deploy in the KR blockchain, before moving on to a more mainstream environment like Ethereum. Krypton can now be considered as a “gateway” into Ethereum. The team isn’t planning to stay humble forever but will, however, take their time before deploying anything and becoming a direct competitor to Ethereum, allowing them to tighten up security and functionality before moving on to providing smart contracts and Dapp solutions for companies. If you liked this article follow us on Twitter @themerklenews and make sure to subscribe to our newsletter to receive the latest bitcoin and altcoin price analysis and the latest cryptocurrency news. Krypton – Smart Contracts and DAPPs Development for Business Systems & IoT Ticker: KR Algorithm: Dagger-Hashimoto Block Reward: 0.25 KR Block Target: 15 Seconds Listen Port: 17171 RPC Port: 8888 Total KR: ~2.669 Million Real-Time Total KR Ethereum-Based: Utilizes Smart Contracts, DAOs, DACs and DAPPs Block Explorer: http://explorer.krypton.rocks After years in the tech sector, for engineering, entertainment, travel & finance companies, I’ve turned my focus to blockchain and building a startup, Krypton, to help companies realize their distributed applications. $KR is my vision for an ultra-fast blockchain that can realize all of the features of Ethereum with fewer initial coins, faster speed and lower inflation. Krypton can do the same things as Ethereum. However, with Ethereum’s codebase being updated to safely deploy DAOs, DACs, and DAPPs, there will be an explosion of practical-use cases, especially in the Internet of Things field. Companies will be actively seeking experienced developers. KR is an alternative platform on which to deploy these new technologies and Krypton developers are ready to build these systems. Join me in connecting Ðapps devs with real-life applications. Let’s code the future. — covertress, Founder & Project Manager Krypton is now hiring Smart Contracts and Ðapps developers with experience in Solidity, JS, and node.js. Please join Krypton’s Slack to apply: http://slack.krypton.rocks

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# All paths in this configuration file are relative to Dynmap's data-folder: minecraft_server/dynmap/ # All map templates are defined in the templates directory # To use the HDMap very-low-res (2 ppb) map templates as world defaults, set value to vlowres # The definitions of these templates are in normal-vlowres.txt, nether-vlowres.txt, and the_end-vlowres.txt # To use the HDMap low-res (4 ppb) map templates as world defaults, set value to lowres # The definitions of these templates are in normal-lowres.txt, nether-lowres.txt, and the_end-lowres.txt # To use the HDMap hi-res (16 ppb) map templates (these can take a VERY long time for initial fullrender), set value to hires # The definitions of these templates are in normal-hires.txt, nether-hires.txt, and the_end-hires.txt # To use the HDMap low-res (4 ppb) map templates, with support for boosting resolution selectively to hi-res (16 ppb), set value to low_boost_hi # The definitions of these templates are in normal-low_boost_hi.txt, nether-low_boost_hi.txt, and the_end-low_boost_hi.txt # To use the HDMap hi-res (16 ppb) map templates, with support for boosting resolution selectively to vhi-res (32 ppb), set value to hi_boost_vhi # The definitions of these templates are in normal-hi_boost_vhi.txt, nether-hi_boost_vhi.txt, and the_end-hi_boost_vhi.txt # To use the HDMap hi-res (16 ppb) map templates, with support for boosting resolution selectively to xhi-res (64 ppb), set value to hi_boost_xhi # The definitions of these templates are in normal-hi_boost_xhi.txt, nether-hi_boost_xhi.txt, and the_end-hi_boost_xhi.txt deftemplatesuffix: lowres # Map storage scheme: only uncommoent one 'type' value # filetree: classic and default scheme: tree of files, with all map data under the directory indicated by 'tilespath' setting # sqlite: single SQLite database file (this can get VERY BIG), located at 'dbfile' setting (default is file dynmap.db in data directory) # mysql: MySQL database, at hostname:port in database, accessed via userid with password # mariadb: MariaDB database, at hostname:port in database, accessed via userid with password # postgres: PostgreSQL database, at hostname:port in database, accessed via userid with password storage: # Filetree storage (standard tree of image files for maps) type: filetree # SQLite db for map storage (uses dbfile as storage location) #type: sqlite #dbfile: dynmap.db # MySQL DB for map storage (at 'hostname':'port' in database 'database' using user 'userid' password 'password' and table prefix 'prefix' #type: mysql #hostname: localhost #port: 3306 #database: dynmap #userid: dynmap #password: dynmap #prefix: "" components: - class: org.dynmap.ClientConfigurationComponent - class: org.dynmap.InternalClientUpdateComponent sendhealth: true sendposition: true allowwebchat: true webchat-interval: 5 hidewebchatip: false trustclientname: false includehiddenplayers: false # (optional) if true, color codes in player display names are used use-name-colors: false # (optional) if true, player login IDs will be used for web chat when their IPs match use-player-login-ip: true # (optional) if use-player-login-ip is true, setting this to true will cause chat messages not matching a known player IP to be ignored require-player-login-ip: false # (optional) block player login IDs that are banned from chatting block-banned-player-chat: true # Require login for web-to-server chat (requires login-enabled: true) webchat-requires-login: false # If set to true, users must have dynmap.webchat permission in order to chat webchat-permissions: false # Limit length of single chat messages chatlengthlimit: 256 # # Optional - make players hidden when they are inside/underground/in shadows (#=light level: 0=full shadow,15=sky) # hideifshadow: 4 # # Optional - make player hidden when they are under cover (#=sky light level,0=underground,15=open to sky) # hideifundercover: 14 # # (Optional) if true, players that are crouching/sneaking will be hidden hideifsneaking: false # If true, player positions/status is protected (login with ID with dynmap.playermarkers.seeall permission required for info other than self) protected-player-info: false # If true, hide players with invisibility potion effects active hide-if-invisiblity-potion: true # If true, player names are not shown on map, chat, list hidenames: false #- class: org.dynmap.JsonFileClientUpdateComponent # writeinterval: 1 # sendhealth: true # sendposition: true # allowwebchat: true # webchat-interval: 5 # hidewebchatip: false # includehiddenplayers: false # use-name-colors: false # use-player-login-ip: false # require-player-login-ip: false # block-banned-player-chat: true # hideifshadow: 0 # hideifundercover: 0 # hideifsneaking: false # # Require login for web-to-server chat (requires login-enabled: true) # webchat-requires-login: false # # If set to true, users must have dynmap.webchat permission in order to chat # webchat-permissions: false # # Limit length of single chat messages # chatlengthlimit: 256 # hide-if-invisiblity-potion: true # hidenames: false - class: org.dynmap.SimpleWebChatComponent allowchat: true # If true, web UI users can supply name for chat using 'playername' URL parameter. 'trustclientname' must also be set true. allowurlname: false # Note: this component is needed for the dmarker commands, and for the Marker API to be available to other plugins - class: org.dynmap.MarkersComponent type: markers showlabel: false enablesigns: false # Default marker set for sign markers default-sign-set: markers # (optional) add spawn point markers to standard marker layer showspawn: true spawnicon: world spawnlabel: "Spawn" # (optional) layer for showing offline player's positions (for 'maxofflinetime' minutes after logoff) showofflineplayers: false offlinelabel: "Offline" offlineicon: offlineuser offlinehidebydefault: true offlineminzoom: 0 maxofflinetime: 30 # (optional) layer for showing player's spawn beds showspawnbeds: false spawnbedlabel: "Spawn Beds" spawnbedicon: bed spawnbedhidebydefault: true spawnbedminzoom: 0 spawnbedformat: "%name%'s bed" # (optional) Show world border (vanilla 1.8+) showworldborder: true worldborderlabel: "Border" - class: org.dynmap.ClientComponent type: chat allowurlname: false - class: org.dynmap.ClientComponent type: chatballoon focuschatballoons: false - class: org.dynmap.ClientComponent type: chatbox showplayerfaces: true messagettl: 5 # Optional: set number of lines in scrollable message history: if set, messagettl is not used to age out messages #scrollback: 100 # Optional: set maximum number of lines visible for chatbox #visiblelines: 10 # Optional: send push button sendbutton: false - class: org.dynmap.ClientComponent type: playermarkers showplayerfaces: true showplayerhealth: true # If true, show player body too (only valid if showplayerfaces=true showplayerbody: false # Option to make player faces small - don't use with showplayerhealth smallplayerfaces: false # Optional - make player faces layer hidden by default hidebydefault: false # Optional - ordering priority in layer menu (low goes before high - default is 0) layerprio: 0 # Optional - label for player marker layer (default is 'Players') label: "Players" #- class: org.dynmap.ClientComponent # type: digitalclock - class: org.dynmap.ClientComponent type: link - class: org.dynmap.ClientComponent type: timeofdayclock showdigitalclock: true #showweather: true # Mouse pointer world coordinate display - class: org.dynmap.ClientComponent type: coord label: "Location" hidey: false show-mcr: false show-chunk: false # Note: more than one logo component can be defined #- class: org.dynmap.ClientComponent # type: logo # text: "Dynmap" # #logourl: "images/block_surface.png" # linkurl: "http://forums.bukkit.org/threads/dynmap.489/" # # Valid positions: top-left, top-right, bottom-left, bottom-right # position: bottom-right #- class: org.dynmap.ClientComponent # type: inactive # timeout: 1800 # in seconds (1800 seconds = 30 minutes) # redirecturl: inactive.html # #showmessage: 'You were inactive for too long.' #- class: org.dynmap.TestComponent # stuff: "This is some configuration-value" # Treat hiddenplayers.txt as a whitelist for players to be shown on the map? (Default false) display-whitelist: false # How often a tile gets rendered (in seconds). renderinterval: 1 # How many tiles on update queue before accelerate render interval renderacceleratethreshold: 60 # How often to render tiles when backlog is above renderacceleratethreshold renderaccelerateinterval: 0.2 # How many update tiles to work on at once (if not defined, default is 1/2 the number of cores) tiles-rendered-at-once: 2 # If true, use normal priority threads for rendering (versus low priority) - this can keep rendering # from starving on busy Windows boxes (Linux JVMs pretty much ignore thread priority), but may result # in more competition for CPU resources with other processes usenormalthreadpriority: true # Save and restore pending tile renders - prevents their loss on server shutdown or /reload saverestorepending: true # Save period for pending jobs (in seconds): periodic saving for crash recovery of jobs save-pending-period: 900 # Zoom-out tile update period - how often to scan for and process tile updates into zoom-out tiles (in seconds) zoomoutperiod: 30 # Control whether zoom out tiles are validated on startup (can be needed if zoomout processing is interrupted, but can be expensive on large maps) initial-zoomout-validate: true # Default delay on processing of updated tiles, in seconds. This can reduce potentially expensive re-rendering # of frequently updated tiles (such as due to machines, pistons, quarries or other automation). Values can # also be set on individual worlds and individual maps. tileupdatedelay: 30 # Tile hashing is used to minimize tile file updates when no changes have occurred - set to false to disable enabletilehash: true # Optional - hide ores: render as normal stone (so that they aren't revealed by maps) #hideores: true # Optional - enabled BetterGrass style rendering of grass and snow block sides #better-grass: true # Optional - enable smooth lighting by default on all maps supporting it (can be set per map as lighting option) smooth-lighting: true # Optional - use world provider lighting table (good for custom worlds with custom lighting curves, like nether) # false=classic Dynmap lighting curve use-brightness-table: true # Optional - render specific block names using the textures and models of another block name: can be used to hide/disguise specific # blocks (e.g. make ores look like stone, hide chests) or to provide simple support for rendering unsupported custom blocks block-alias: # "minecraft:quartz_ore": "stone" # "diamond_ore": "coal_ore" # Default image format for HDMaps (png, jpg, jpg-q75, jpg-q80, jpg-q85, jpg-q90, jpg-q95, jpg-q100, webp, webp-q75, webp-q80, webp-q85, webp-q90, webp-q95, webp-q100), # Note: any webp format requires the presence of the 'webp command line tools' (cwebp, dwebp) (https://developers.google.com/speed/webp/download) # # Has no effect on maps with explicit format settings image-format: jpg-q90 # If cwebp or dwebp are not on the PATH, use these settings to provide their full path. Do not use these settings if the tools are on the PATH # For Windows, include .exe # #cwebpPath: /usr/bin/cwebp #dwebpPath: /usr/bin/dwebp # use-generated-textures: if true, use generated textures (same as client); false is static water/lava textures # correct-water-lighting: if true, use corrected water lighting (same as client); false is legacy water (darker) # transparent-leaves: if true, leaves are transparent (lighting-wise): false is needed for some Spout versions that break lighting on leaf blocks use-generated-textures: true correct-water-lighting: true transparent-leaves: true # ctm-support: if true, Connected Texture Mod (CTM) in texture packs is enabled (default) ctm-support: true # custom-colors-support: if true, Custom Colors in texture packs is enabled (default) custom-colors-support: true # Control loading of player faces (if set to false, skins are never fetched) #fetchskins: false # Control updating of player faces, once loaded (if faces are being managed by other apps or manually) #refreshskins: false # Customize URL used for fetching player skins (%player% is macro for name) skin-url: "http://skins.minecraft.net/MinecraftSkins/%player%.png" # Control behavior for new (1.0+) compass orientation (sunrise moved 90 degrees: east is now what used to be south) # default is 'newrose' (preserve pre-1.0 maps, rotate rose) # 'newnorth' is used to rotate maps and rose (requires fullrender of any HDMap map - same as 'newrose' for FlatMap or KzedMap) compass-mode: newnorth # Triggers for automatic updates : blockupdate-with-id is debug for breaking down updates by ID:meta # To disable, set just 'none' and comment/delete the rest render-triggers: - blockupdate #- blockupdate-with-id #- lightingupdate - chunkpopulate - chunkgenerate #- none # Title for the web page - if not specified, defaults to the server's name (unless it is the default of 'Unknown Server') #webpage-title: "My Awesome Server Map" # The path where the tile-files are placed. tilespath: web/tiles # The path where the web-files are located. webpath: web # The path were the /dynmapexp command exports OBJ ZIP files exportpath: export # The network-interface the webserver will bind to (0.0.0.0 for all interfaces, 127.0.0.1 for only local access). # If not set, uses same setting as server in server.properties (or 0.0.0.0 if not specified) #webserver-bindaddress: 0.0.0.0 # The TCP-port the webserver will listen on. webserver-port: 8123 # Maximum concurrent session on internal web server - limits resources used in Bukkit server max-sessions: 30 # Disables Webserver portion of Dynmap (Advanced users only) disable-webserver: false # Enable/disable having the web server allow symbolic links (true=compatible with existing code, false=more secure (default)) allow-symlinks: true # Enable login support login-enabled: false # Require login to access website (requires login-enabled: true) login-required: false # Period between tile renders for fullrender, in seconds (non-zero to pace fullrenders, lessen CPU load) timesliceinterval: 0.0 # Maximum chunk loads per server tick (1/20th of a second) - reducing this below 90 will impact render performance, but also will reduce server thread load maxchunkspertick: 200 # Progress report interval for fullrender/radiusrender, in tiles. Must be 100 or greater progressloginterval: 100 # Parallel fullrender: if defined, number of concurrent threads used for fullrender or radiusrender # Note: setting this will result in much more intensive CPU use, some additional memory use. Caution should be used when # setting this to equal or exceed the number of physical cores on the system. #parallelrendercnt: 4 # Interval the browser should poll for updates. updaterate: 2000 # If nonzero, server will pause fullrender/radiusrender processing when 'fullrenderplayerlimit' or more users are logged in fullrenderplayerlimit: 0 # If nonzero, server will pause update render processing when 'updateplayerlimit' or more users are logged in updateplayerlimit: 0 # Target limit on server thread use - msec per tick per-tick-time-limit: 50 # If TPS of server is below this setting, update renders processing is paused update-min-tps: 18.0 # If TPS of server is below this setting, full/radius renders processing is paused fullrender-min-tps: 18.0 # If TPS of server is below this setting, zoom out processing is paused zoomout-min-tps: 18.0 showplayerfacesinmenu: true # Control whether players that are hidden or not on current map are grayed out (true=yes) grayplayerswhenhidden: true # Set sidebaropened: 'true' to pin menu sidebar opened permanently, 'pinned' to default the sidebar to pinned, but allow it to unpin #sidebaropened: true # Customized HTTP response headers - add 'id: value' pairs to all HTTP response headers (internal web server only) #http-response-headers: # Access-Control-Allow-Origin: "my-domain.com" # X-Custom-Header-Of-Mine: "MyHeaderValue" # Trusted proxies for web server - which proxy addresses are trusted to supply valid X-Forwarded-For fields trusted-proxies: - "127.0.0.1" - "0:0:0:0:0:0:0:1" joinmessage: "%playername% joined" quitmessage: "%playername% quit" spammessage: "You may only chat once every %interval% seconds." # format for messages from web: %playername% substitutes sender ID (typically IP), %message% includes text webmsgformat: "&color;2[WEB] %playername%: &color;f%message%" # Control whether layer control is presented on the UI (default is true) showlayercontrol: true # Enable checking for banned IPs via banned-ips.txt (internal web server only) check-banned-ips: true # Default selection when map page is loaded defaultzoom: 0 defaultworld: world defaultmap: flat # (optional) Zoom level and map to switch to when following a player, if possible #followzoom: 3 #followmap: surface # If true, make persistent record of IP addresses used by player logins, to support web IP to player matching persist-ids-by-ip: true # If true, map text to cyrillic cyrillic-support: false # Messages to customize msg: maptypes: "Map Types" players: "Players" chatrequireslogin: "Chat Requires Login" chatnotallowed: "You are not permitted to send chat messages" hiddennamejoin: "Player joined" hiddennamequit: "Player quit" # URL for client configuration (only need to be tailored for proxies or other non-standard configurations) url: # configuration URL #configuration: "up/configuration" # update URL #update: "up/world/{world}/{timestamp}" # sendmessage URL #sendmessage: "up/sendmessage" # login URL #login: "up/login" # register URL #register: "up/register" # tiles base URL #tiles: "tiles/" # markers base URL #markers: "tiles/" # Snapshot cache size, in chunks snapshotcachesize: 500 # Snapshot cache uses soft references (true), else weak references (false) soft-ref-cache: true # Player enter/exit title messages for map markers # # Processing period - how often to check player positions vs markers - default is 1000ms (1 second) #enterexitperiod: 1000 # Title message fade in time, in ticks (0.05 second intervals) - default is 10 (1/2 second) #titleFadeIn: 10 # Title message stay time, in ticks (0.05 second intervals) - default is 70 (3.5 seconds) #titleStay: 70 # Title message fade out time, in ticks (0.05 seocnd intervals) - default is 20 (1 second) #titleFadeOut: 20 # Enter/exit messages use on screen titles (true - default), if false chat messages are sent instead #enterexitUseTitle: true # Set true if new enter messages should supercede pending exit messages (vs being queued in order), default false #enterReplacesExits: true # Set to true to enable verbose startup messages - can help with debugging map configuration problems # Set to false for a much quieter startup log verbose: false # Enables debugging. #debuggers: # - class: org.dynmap.debug.LogDebugger # Debug: dump blocks missing render data dump-missing-blocks: false

🏆 1st Place @ Vultr Track, RAISE YOUR HACK 2025 - Unmask is an AI-powered hiring verification tool that helps HR teams catch CV inconsistencies, auto-call references, and detect real-time lies during interviews.

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Developer skill test tool that makes hiring coders easier! 💻😎☕️

This project help to know how to build the portfolio with Bootstrap and portfolio is one of the most powerful tools in our software developer toolbox; it’s the easiest way of showing what we’re truly capable of as a developer, and is a quick and simple way for recruiters and hiring managers to get an idea of what we can bring to their teams.

As a digital marketing company, we have actually driven numerous web site hits, millions of leads as well as also millions of sales. So if you are a local business or a young expert that wants to find out more about marketing management, then you remain in the best place. Today, we're reviewing exactly how advertising managers can develop effective projects, detailed. Our digital marketing firm saves small companies from bad advertising as well as no development, yet of course, in order to do that effectively, our advertising and marketing supervisors have to have extraordinary skills around marketing monitoring. Regrettably, a great deal of the schools today are instructing out-of-date advertising and marketing techniques. As well as the net is swamped with phony experts who show marketing however in fact have no actual experience. This can be an easy catch for anyone just beginning to seek aid regarding the globe of marketing. That's why you should pick up from individuals who have actual experience As Well As can confirm it for greater than one firm. And also these are simply results we've gotten for our firm, using our very own techniques. We have more than 10,000 hrs of actual digital marketing experience and also have aided thousands of business find the very best options to their advertising issues. Just how have we managed to do this? Via our team of marketer! In order for them to offer these efficient options, our marketing supervisors need to have outstanding abilities around marketing administration. And those abilities are precisely what our advertising and marketing supervisors have. We're mosting likely to give you some powerful techniques if you want to learn advertising and marketing monitoring or become a much better marketing manager. In this blog, you will certainly learn exactly how advertising managers can develop effective campaigns, step-by-step. We will certainly discuss: 1. Just how to onboard a brand-new marketing project 2. Just how to structure your strategy 3. How to setup everything 4. And much more! Without further trouble, let's go ahead as well as dive in with action # 1. Action 1: How to onboard a brand-new advertising project Whether you are beginning a new marketing campaign from square one or you are inheriting an existing advertising campaign, it is really important to recognize 2 things. # 1 You require to develop your advertising goals. Now usually we have clients that will certainly claim their objective is to obtain more sales. Yet that is an extremely high-level goal. With that, you'll intend to unbox your goal into something more workable. To break down your objective into actionable parts, we will certainly start to speak about leading as well as lagging indicators. A lagging indicator is normally a result, such as more sales, even more leads, or more web traffic, which are great objectives to have. Yet in order to get to an outcome or a lagging indication, you need a leading indication which is typically an action. Leading signs are points that you can regulate now everyday or each week. And these are the advertising and marketing objectives that you want to develop. As a marketing manager, you need to understand both leading and lagging objectives. # 2 You need to understand your budget. When you onboard an advertising and marketing campaign, you require to understand your campaign budget. If you are unclear about your marketing spending plan or about just how to accurately calculate your marketing budget, we have a thorough video clip that can help you here. Ultimately, the important point below is that you intend to make sure your budget plan matches your objectives. For that reason, if you desire $1 million in sales for instance, then you require to be all set to spend thousands of thousands of dollars. And also honestly, you wish to be as sensible as possible because that's the accountable thing to do as a great online marketer. A lot of people strive for the over night success desire, however the fact is excellent marketing can require time. Now that you have established you require to establish some advertising goals and also a spending plan, after that you can transfer to tip number two, which is "just how to structure your advertising strategy." Action 2: Exactly how to structure your advertising plan The first thing we suggest that you do is to develop an advertising and marketing channel, or really plainly recognize the advertising and marketing channel that already exists. If your business is already generating any type of sales, after that you likely have an advertising and marketing channel whether you understand it or not. It is necessary to recognize which part of the funnel you will certainly need to influence with your advertising project. Understanding the advertising channel will help you pinpoint which stage of the channel demands adjustments. To get a far better understanding of the advertising and marketing channel, let's take a more detailed look at an advertising funnel as well as break down an advertising funnel for B2C (service to customer) as well as B2B (organization to service) firms. At the top of the channel you have the recognition stage. For both B2B or B2C companies this is where potential consumers become aware of your company either by means of search, or an advertisement, or a person referring them to you. The next part of the channel is the interest stage. This is where your capacity clients start to read more concerning your product and services. After that phase of the channel is the consideration stage. This is where your capacity customers actually begin thinking about buying your products. They might begin to review your evaluations or compare your products to others that are on the market. After the consideration stage is the intent phase. This is the stage where the potential client prepares to buy as well as simply needs a little push to complete the transaction. If you're a B2C firm, that implies that a visitor has perhaps added something to their cart. And also if you're a B2B firm, that implies that a site visitor may have asked for a meeting or a live trial. Swiftly after that, the prospective consumer enters the examination stage. This is when the potential consumer is considering the experience they are having as they are having a look at for a B2C company or finishing the contract for a B2B firm. At the really bottom of the channel you have the actual purchase, which is when the potential client becomes a real consumer. As you can see, there is a whole process to getting a client to really end up being a client. On top of that, a channel can continue after the acquisition factor, particularly if you wish to get even more sales from your present consumers. However those phases we pointed out are mosting likely to be the major locations that the majority of marketing managers require to focus on. Nevertheless, if you wish to discover a bit a lot more concerning marketing funnels, check out this blog where we go a lot more thorough with the advertising and marketing channel phases. As you are doing your marketing administration, you wish to begin asking on your own, "Which stage in the advertising and marketing channel does my organization require the most assist with?" You will discover that some business require general understanding prior to they can enhance any other part of their funnel. You may additionally locate that some business have a lot of awareness, yet battle to convert those introduce sales. However, once you recognize where your marketing needs one of the most aid, then you can concentrate there and also start to establish those leading indication objectives. For example, in the recognition stage, you have to focus on getting to a great deal of people. And also if business spending plan you have actually established is reduced, that suggests you will likely require to make use of an organic advertising and marketing approach. Currently let's move on to tip number three, which is just how to establish your advertising and marketing projects Action 3: How to set up your marketing campaigns. The first thing you need to think of below is production. What we indicate by "production" is you need to understand WHO or WHAT you require and WHEN you require it. To figure this out, go back to your leading indications and think about just how you are mosting likely to complete them. Possibly you need a web content writer, a designer, or a marketing spending plan. Or perhaps you require to set aside a couple of hours a day, to hire an agency, or a few other tools to aid you be reliable. The bottom line is, you need to be extremely clear about what deliverables you need as well as when you require them. After manufacturing, we recommend that you track your development. Since doesn't mean you are seeking that delayed indication or that major result that you wish to accomplish. Rather, you'll want to track whether or not your growth is headed in a positive instructions. Ideally, it's very easy to determine a trend line that is going up overtime. For example, if you are publishing on YouTube on a daily basis for six months as well as you are not obtaining any kind of sights whatsoever, then that is an indication that you require to quit and reassess your advertising strategy. One of our company's favorite tools to make use of to track development is Google Analytics. It's very simple to set up on your own as well as ought to take you no time to obtain arrangement and start. As soon as you're set up for success with Google Analytics, you can go on to tip number four, which isn't truly an action however it is a crucial idea to live by. Step 4: Stay with your strategy We have actually stated it before however excellent advertising takes some time. We can't emphasize this sufficient. Unless you have a really large spending plan, we're speaking at the very least $100,000 a year, then you greater than likely will require to focus on one point at a time. That means you wish to put together a really great approach and make sure it functions PRIOR TO you proceed to something that is new and also stylish right now. We suggest you give your technique a minimum of 6 months before you quit. And this is six months of pure quality! That means you are not missing out on due dates and you are putting together an excellent amount of quantity and also top quality work. Bear in mind to still be tracking your outcomes and making sure you're constructing some energy or seeing a positive trend line. Even if the positive trend line is slow, it is still positive. Now allow's go on to our last step. Tip 5: Reporting If you are doing any type of type of advertising and marketing management or if you are an advertising and marketing supervisor on your own, after that at some time you will require to do some reporting. Whether you are reporting to yourself, stakeholders, a supervisor, or a customer, this is an area where you require to successfully interact just how your advertising and marketing is going. When you are connecting, you need to recognize your target market. If you are speaking to an additional advertising and marketing professional or somebody with an advertising background, after that you can possibly utilize more advanced descriptions of your development. However if you are speaking with someone that does not know a lot regarding advertising, after that you want to try to simplify as simply as possible. For instance, you would not begin speaking to a stranger about ROAS, ROI, conversion projects, as well as lead-to-sale conversions since there's a slim chance they would understand what you were discussing. Everything that we cover in this blog are points that you wish to communicate to whoever you are reporting to. To make sure that suggests you want to relate things back to the goals, the budget, the channel, and the positive pattern line. You'll see that poor marketing professionals only care about telling you just how good their negative results are. A bad marketing professional will tell you about all the leads they have actually created but have really little results for conversions. As good marketers, it is our obligation to interact successfully as well as with honesty. So understand your numbers, know your target market, as well as be as clear as possible whether the results are good or bad. Establishing in-depth records that are comprehensive sufficient for your audience to recognize is what will assist everyone be on the very same web page. Verdict There you have it-- 5 truly awesome suggestions for advertising monitoring. Tips that we stand by and are confirmed due to the fact that we've used them for our own advertising and marketing projects. In addition, we have actually managed campaigns for our customers that have actually driven numerous hits, numerous leads, and countless sales. That's why we believe you can stand by these important pointers we have actually supplied here.And there's so much extra you can learn more about advertising and marketing for your business! Whether you are a small company proprietor or a young specialist that intends to find out more concerning advertising and marketing administration, after that you remain in the right area. Our group of marketer prepare to help you make on your own a better marketer!

A curated list of awesome tools, resources, and strategies for hiring software developers

Hacker News "Who Is Hiring?" thread filter and search tool with a privacy focus.

portfolio website is one of the most powerful tools in the web development world; it’s the easiest way of showing what you’re truly capable of as a developer and is the quick and best way for recruiters and hiring managers to get an idea of what you can bring to their teams and features.

ATS Catalyst is an innovative platform designed to empower job seekers and streamline the hiring process. Leveraging advanced AI technologies, our suite of tools offers personalized feedback, resume evaluation, and job description matching to enhance your job application process.

This program includes over 180 hours of instruction and hundreds of practice-based assessments, which will help you simulate real-world data analytics scenarios that are critical for success in the workplace. The content is highly interactive and exclusively developed by Google employees with decades of experience in data analytics. Through a mix of videos, assessments, and hands-on labs, you’ll get introduced to analysis tools and platforms and key analytical skills required for an entry-level job. Skills you’ll gain will include: Data cleaning, problem solving, critical thinking, data ethics, and data visualization Platforms and tools you will learn include: Presentations, Spreadsheets, SQL, Tableau and R Programming In addition to expert training and hands-on projects, you'll complete a case study that you can share with potential employers to showcase your new skill set. Learn concrete skills that top employers are hiring for right now.

A portfolio is one of the most powerful tools in the software developer toolbox. It’s the easiest way of showing what you’re truly capable of as a developer, and is a quick and simple way for recruiters and hiring managers to get an idea of what a developer can bring to their teams.

# Employee Database: A Mystery in Two Parts  ## Background It is a beautiful spring day, and it is two weeks since you have been hired as a new data engineer at Pewlett Hackard. Your first major task is a research project on employees of the corporation from the 1980s and 1990s. All that remain of the database of employees from that period are six CSV files. In this assignment, you will design the tables to hold data in the CSVs, import the CSVs into a SQL database, and answer questions about the data. In other words, you will perform: 1. Data Modeling 2. Data Engineering 3. Data Analysis ## Instructions #### Data Modeling Inspect the CSVs and sketch out an ERD of the tables. Feel free to use a tool like [http://www.quickdatabasediagrams.com](http://www.quickdatabasediagrams.com). #### Data Engineering * Use the information you have to create a table schema for each of the six CSV files. Remember to specify data types, primary keys, foreign keys, and other constraints. * Import each CSV file into the corresponding SQL table. #### Data Analysis Once you have a complete database, do the following: 1. List the following details of each employee: employee number, last name, first name, gender, and salary. 2. List employees who were hired in 1986. 3. List the manager of each department with the following information: department number, department name, the manager's employee number, last name, first name, and start and end employment dates. 4. List the department of each employee with the following information: employee number, last name, first name, and department name. 5. List all employees whose first name is "Hercules" and last names begin with "B." 6. List all employees in the Sales department, including their employee number, last name, first name, and department name. 7. List all employees in the Sales and Development departments, including their employee number, last name, first name, and department name. 8. In descending order, list the frequency count of employee last names, i.e., how many employees share each last name. ## Bonus (Optional) As you examine the data, you are overcome with a creeping suspicion that the dataset is fake. You surmise that your boss handed you spurious data in order to test the data engineering skills of a new employee. To confirm your hunch, you decide to take the following steps to generate a visualization of the data, with which you will confront your boss: 1. Import the SQL database into Pandas. (Yes, you could read the CSVs directly in Pandas, but you are, after all, trying to prove your technical mettle.) This step may require some research. Feel free to use the code below to get started. Be sure to make any necessary modifications for your username, password, host, port, and database name: ```sql from sqlalchemy import create_engine engine = create_engine('postgresql://localhost:5432/<your_db_name>') connection = engine.connect() ``` * Consult [SQLAlchemy documentation](https://docs.sqlalchemy.org/en/latest/core/engines.html#postgresql) for more information. * If using a password, do not upload your password to your GitHub repository. See [https://www.youtube.com/watch?v=2uaTPmNvH0I](https://www.youtube.com/watch?v=2uaTPmNvH0I) and [https://martin-thoma.com/configuration-files-in-python/](https://martin-thoma.com/configuration-files-in-python/) for more information. 2. Create a bar chart of average salary by title. 3. You may also include a technical report in markdown format, in which you outline the data engineering steps taken in the homework assignment. ## Epilogue Evidence in hand, you march into your boss's office and present the visualization. With a sly grin, your boss thanks you for your work. On your way out of the office, you hear the words, "Search your ID number." You look down at your badge to see that your employee ID number is 499942. ## Submission * Create an image file of your ERD. * Create a `.sql` file of your table schemata. * Create a `.sql` file of your queries. * (Optional) Create a Jupyter Notebook of the bonus analysis. * Create and upload a repository with the above files to GitHub and post a link on BootCamp Spot.

The Advanced Resume Screening App is a powerful tool designed to optimize the hiring process by employing Natural Language Processing (NLP) and Machine Learning (ML).

ARIES is an agentic AI that automates top-of-funnel hiring. Unlike keyword-based tools, it conducts adaptive interviews, evaluates behavioral and technical signals in real time, synthesizes nuanced candidate profiles, and delivers transparent, data-driven hiring recommendations.

A Github Visualization tool made for fun, but can be used to get an overview of a candidate during a hiring process.

setup the portfolio which is one of the most powerful tools in a software developer toolbox; it’s the easiest way of showing what I' m truly capable of as a developer, and is a quick and simple way for recruiters and hiring managers to get an idea of what you can bring to their teams.

Applicant tracking tool for HR and hiring managers

A portfolio is one of the most powerful tools in the software developer toolbox. It’s the easiest way of showing what you’re truly capable of as a developer, and is a quick and simple way for recruiters and hiring managers to get an idea of what a developer can bring to their teams.

The recruitment system allows the job seekers to view the job opportunity through Advertisement and helps to apply for the job. The organization shortlist the applicants for the interview. The shortlisted applicants undergo through a process of Test and Interview. The HR department selects the Applicant based on the performance in the Test and Interview. Finally the recruited applicants are informed. This system makes the task of the job seeker easier rather than waiting in queue for enrollment. This also reduces the time consumption for both for the job seeker and organization. In e-recruitment the employer has the chance to hire the right person for the right job after studying the job description and the specification to point out re-quired categories. Edwin B Filippo defined recruitment as, “The process of searching for prospective employee and stimulating them to apply for jobs in the organization.” Online recruitment is a major factor for hiring and selecting pro-cess it gives for the company assurance to reach its target successfully. This project discusses the recruitment as a key of success in the whole process of hiring in the Human Resources Department. It has several functions for main-taining a superior outcome and providing effective human capital for the organi-zation. The online recruitment is necessary tool for the recruitment process. It has several forms such as websites, recruitment agency, and web-portals. However, the e-recruitment effectiveness has been proved by many studies on the Human Resources Department, Human Resources Managers, HR specialist and applicant. This will lead into a major development in the Human Resources Department’s activities, performance and outcomes. In this system admin have many control over the system like they can add and edit job and also they can open/closed job when they want. In this system admin have to deal with four stages. Initial stage for applicant is resume verification where the applicant -form reside after applying job.In resume verification stage, they will check whether he/she fullfills their job requirement or not. based on that they take action(approve, reject) over applicant based on his/her perfor-mance/correctness after taking action on particular applicant-form.it goes into the next stage automatically which is aptitude stage and applicant also get noti-fied through mail/Mobileno and this process will repeat for other stages.in this system when people applied for job they need to crack four stages but it de-pends on company how many stages they defined for hiring.in this case there are four stages like(Resume verification, aptitude Round,Group discussion,HR Round) all these round will be conducted through virtual platform it also depend on company. admin can also see all applicant and their stages with its ac-tion(approve,reject) on centeralised placed no need to navigate in each stages.In the last stage applicant will receive offer E-letter generated by the system