General

Learn list of standard lengths for database fields with practical examples, diagrams, and best practices. Covers database, standards development techniques with visual explanations.

Learn how do i use principal component analysis in supervised machine learning classification problems? with practical examples, diagrams, and best practices. Covers machine-learning, pca, supervis...

Learn practical uses of fractals in programming with practical examples, diagrams, and best practices. Covers algorithm, math, random development techniques with visual explanations.

Learn set up git bash to work with tabs on windows with practical examples, diagrams, and best practices. Covers git-bash, console2 development techniques with visual explanations.

Learn difference between sh and bash with practical examples, diagrams, and best practices. Covers bash, shell, unix development techniques with visual explanations.

Learn aws cli: how can i query list values? with practical examples, diagrams, and best practices. Covers amazon-web-services, aws-cli development techniques with visual explanations.

Learn is there a boolean data type in microsoft sql server like there is in mysql? with practical examples, diagrams, and best practices. Covers sql-server, types, boolean development techniques wi...

Learn how would you make an rss-feeds entries available longer than they're accessible from the source? with practical examples, diagrams, and best practices. Covers caching, rss, offline developme...

Learn converting from spherical coordinates to cartesian around arbitrary vector n with practical examples, diagrams, and best practices. Covers math, vector, coordinates development techniques wit...

Learn haskell for lambda calculus, type inferencing with practical examples, diagrams, and best practices. Covers haskell, types, lambda development techniques with visual explanations.

Learn view with round corners not smooth with practical examples, diagrams, and best practices. Covers android, rounded-corners, android-shapedrawable development techniques with visual explanations.

Learn how do i get countifs to select all non-blank cells in excel? with practical examples, diagrams, and best practices. Covers excel development techniques with visual explanations.

Learn regular expression for alphanumeric and underscores with practical examples, diagrams, and best practices. Covers regex development techniques with visual explanations.

Learn bash: bad substitution with practical examples, diagrams, and best practices. Covers string, bash, ubuntu development techniques with visual explanations.

Learn how can i set tint for an image view programmatically in android? with practical examples, diagrams, and best practices. Covers android, imageview, tint development techniques with visual exp...

Learn what is the use of uniqueidentifier in sql server? with practical examples, diagrams, and best practices. Covers sql-server development techniques with visual explanations.

Learn keyword changes or new keyword add while updating app version in app store with practical examples, diagrams, and best practices. Covers ios, app-store, app-store-connect development techniqu...

Learn better way of using a few different resources files per build flavor with practical examples, diagrams, and best practices. Covers android, gradle development techniques with visual explanati...

Learn how to download github release from private repo using command line with practical examples, diagrams, and best practices. Covers shell, github, command-line development techniques with visua...

Learn why is it common to put csrf prevention tokens in cookies? with practical examples, diagrams, and best practices. Covers http, security, cookies development techniques with visual explanations.

Learn match linebreaks - \n or \r\n? with practical examples, diagrams, and best practices. Covers regex, language-agnostic, line-breaks development techniques with visual explanations.

Learn how to remove files and directories quickly via terminal (bash shell) with practical examples, diagrams, and best practices. Covers file, terminal, directory development techniques with visua...

Learn how to build a simple application, that uses audio filter (eg. damping of sound level with distance) with practical examples, diagrams, and best practices. Covers audio, filter, signal-proces...

Learn assembly format and structure of the code with practical examples, diagrams, and best practices. Covers assembly, formatting, goto development techniques with visual explanations.

Learn how long should i wait after applying an aws iam policy before it is valid? with practical examples, diagrams, and best practices. Covers amazon-web-services, amazon-s3, policy development te...

Learn what's the environment variable for the path to the desktop? with practical examples, diagrams, and best practices. Covers windows, powershell, vbscript development techniques with visual exp...

Learn changing virtual memory using batch with practical examples, diagrams, and best practices. Covers windows, batch-file, memory development techniques with visual explanations.

Learn how can i open a cmd window in a specific location? with practical examples, diagrams, and best practices. Covers windows, cmd development techniques with visual explanations.

Learn using puts in rails with practical examples, diagrams, and best practices. Covers ruby-on-rails development techniques with visual explanations.

Learn how to determine if a point is in a 2d triangle? with practical examples, diagrams, and best practices. Covers algorithm, math, geometry development techniques with visual explanations.