Tags

JavaScript (not to be confused with Java) is a dynamic, weakly-typed language used for both client-side and server-side scripting. Use this tag for questions regarding ECMAScript and its various diale…

Java (not to be confused with JavaScript or JScript) is a general-purpose object-oriented programming language designed to be used in conjunction with the Java Virtual Machine (JVM). "Java platform" i…

an object-oriented programming language that is designed for building a variety of applications that run on the .NET Framework. C# is simple, powerful, type-safe, and obje…

a general-purpose programming language primarily designed for server-side web development.

Google's mobile operating system, used for programming or developing digital devices (Smartphones, Tablets, Automobiles, TVs, Wear, Glass). For topics within Android, use Android-specific t…

a popular cross-browser JavaScript library that facilitates DOM (Document Object Model) traversal, event handling, animations, and AJAX interactions by minimizing the discrepancies across br…

a dynamic and strongly typed programming language designed to emphasize usability. Two similar but mostly incompatible versions of Python are in widespread use (2 and 3). If you have a versi…

the standard markup language used for structuring web pages and formatting content. HTML describes the structure of a website semantically along with cues for pres…

a general-purpose programming language. It was originally designed as an extension to C, and keeps a similar syntax, but is now a completely different language. Use this tag for questions about…

the mobile operating system running on the Apple iPhone, iPod touch, and iPad. Use the tag [ios] for questions related to programming for the iOS platform. Use the related tags [objective-c] an…

a style sheet language used for describing the look and formatting of HTML (Hyper Text Markup Language), XML (Extensible Markup Language) documents and SVG elements inc…

a free, open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). Do not confuse this with PHP's MySQLi connector, which is part of PHP.

a language for querying databases. Questions should include code examples, table structure, sample data, and a tag for the DBMS implementation (e.g. MySQL, PostgreSQ…

a Microsoft web application development framework that allows programmers to build dynamic web sites, web applications and web services. It is useful to use this tag in conjunction with the…

should be used only on questions that are about Objective-C features or depend on code in the language. The tags [cocoa] and [cocoa-touch] should be used to ask about Apple's frameworks or cl…

an open source full-stack web application framework written in Ruby. It follows the popular MVC framework model and is known for its "convention over configuration" approach to applic…

a software framework designed mainly for the Microsoft Windows operating system. It includes an implementation of the Base Class Library, Common Language Runtime (commonly referr…

a general-purpose computer programming language used for operating systems, libraries, games and other high performance work. It is clearly distinct from C++. It was developed in 1972 by Dennis R…

Use for questions about AngularJS, the open-source JavaScript framework. Do NOT use this tag for Angular 2 or later versions; instead, use the "angular" tag.

an ordered data structure consisting of a collection of elements (values or variables), each identified by one (single dimensional array or vector) or multiple indexes. When tagging a ques…

unless you are addressing Apple's iPhone and/or iPod touch specifically. For questions not dependent on hardware, use the tag [ios]. Another tag to consider is [cocoa-touch] (but n…

a relational database management system (RDBMS). Use this tag for all SQL Server editions including Compact, Express, Azure, Fast-track, APS (formerly PDW) and Azure SQL DW. Do…

a textual data interchange format and language-independent. Use this tag when this text format is involved, but not for native JavaScript objects.

a free, open-source programming language and software environment for statistical computing, bioinformatics, and graphics. Please supplement your question with a minimal reproducible example. Use…

a multi-platform open-source, dynamic object-oriented interpreted language, created by Yukihiro Matsumoto (Matz) in 1995. The [ruby] tag is for questions related to the Ruby language, includin…

an event-based, non-blocking, asynchronous I/O framework that uses Google's V8 JavaScript engine and libuv library. It is used for developing applications that make heavy use of the ability…

a technique for creating seamless interactive websites via asynchronous data exchange between client and server. AJAX facilitates communication with the serve…

Regular expressions provide a declarative language to match patterns within strings. They are commonly used for string validation, parsing, and transformation. Since regular expressions are not fully …

a flexible, structured document format that defines human- and machine-readable encoding rules.

an open source web application framework and tooling that implements a version of the model-view-controller (MVC) pattern tailored towards web applications and built upon …

an open-source programming language developed by Apple. Use the tag only for questions about language features, or requiring code in Swift. Use the tags [ios], [osx], [watch-os], [tvos], [coc…

a free and open-source operating system that frequently employs the free and open-source Linux kernel and API's. Such an operating system configuration is generally coined GNU/Linux or often i…

an open source server-side web application framework, written in Python. It is designed to reduce the effort required to create complex data-driven websites and web applications, with a spec…

Windows Presentation Foundation (WPF) provides developers with a unified programming model for building modern line-of-business desktop applications on Windows.

an organized collection of data. It is the collection of schemas, tables, queries, reports, views, and other objects. The data are typically organized to model aspects of reality in a wa…

Only for questions on programming against Excel objects or files, or complex formula development. You may combine the Excel tag with VBA, VSTO, C#, VB.NET, PowerShell, OLE automation, and other progra…