Tags

A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Show all tag synonyms
Popular Name New
JavaScript (not to be confused with Java) is a high-level, dynamic, multi-paradigm, object-oriented, prototype-based, weakly-typed, and interpreted language used for both client-side and server-side s…
1948012 questions
524 asked today, 5285 this week
Java (not to be confused with JavaScript, JScript or JS) is a general-purpose, platform-independent, statically typed, object-oriented programming language designed to be used in conjunction with the …
1636452 questions
345 asked today, 3520 this week
a high level, statically typed, multi-paradigm programming language developed by Microsoft. C# code usually targets Microsoft's .NET family of tools and run-times, which…
1381721 questions
212 asked today, 2697 this week
a multi-paradigm, dynamically typed, multipurpose programming language, designed to be quick (to learn, to use, and to understand), and to enforce a clean and uniform syntax. Two similar but…
1348467 questions
661 asked today, 6656 this week
a widely used, high-level, dynamic, object-oriented and interpreted scripting language primarily designed for server-side web development. Use for questions about the PHP language
1332505 questions
241 asked today, 2187 this week
Google's mobile operating system, used for programming or developing digital devices (Smartphones, Tablets, Automobiles, TVs, Wear, Glass, IoT). For topics related to Android, use Android-s…
1251592 questions
246 asked today, 2385 this week
a Javascript library, consider also adding the Javascript tag. jQuery is a popular cross-browser JavaScript library that facilitates Document Object Model (DOM) traversal, event handling…
977161 questions
94 asked today, 988 this week
the standard markup language used for structuring web pages and formatting content. HTML describes the structure of a website semantically along with cues for prese…
967743 questions
176 asked today, 2036 this week
a general-purpose programming language. It was originally designed as an extension to C, and has a similar syntax, but is now a completely different language. Use this tag for questions about c…
654925 questions
181 asked today, 1297 this week
a representation style sheet language used for describing the look and formatting of HTML (HyperText Markup Language), XML (Extensible Markup Language) documents and SV…
647611 questions
111 asked today, 1301 this week
the mobile operating system running on the Apple iPhone, iPod touch, and iPad. Use this tag [ios] for questions related to programming on the iOS platform. Use the related tags [objective-c] an…
621296 questions
82 asked today, 979 this week
a free, open source Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). DO NOT USE this tag for other DBs such as SQL Server, SQLite etc. Those are diff…
586085 questions
112 asked today, 1069 this week
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…
527989 questions
97 asked today, 1241 this week
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…
353022 questions
26 asked today, 379 this week
a free, open-source programming language and software environment for statistical computing, bioinformatics, visualization, and general computing. Please provide minimal and reproducible example(…
327412 questions
105 asked today, 1383 this week
a general-purpose programming language used for system programming (OS and embedded), libraries, games and cross-platform. This tag should be used with general questions concerning the C language…
321685 questions
94 asked today, 676 this week
an ordered data structure consisting of a collection of elements (values, variables or references), each identified by one or more indexes. When asking about specific variants of arrays, u…
318626 questions
99 asked today, 856 this week
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…
314378 questions
23 asked today, 283 this week
an event-based, non-blocking, asynchronous I/O runtime that uses Google's V8 JavaScript engine and libuv library. It is used for developing applications that make heavy use of the ability t…
311773 questions
151 asked today, 1410 this week
Do NOT use for questions about .NET Core - use [.net-core] instead. The .NET framework is a software framework designed mainly for the Microsoft Windows operating system. It includes an implementation…
292831 questions
35 asked today, 414 this week
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…
289244 questions
5 asked today, 101 this week
a textual data interchange format and language-independent. Use this tag when this text format is involved. DO NOT USE THIS TAG FOR NATIVE JAVASCRIPT OBJECTS OR JA…
282308 questions
74 asked today, 768 this week
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…
278389 questions
37 asked today, 647 this week
Use for questions about AngularJS (1.x), the open-source JavaScript framework. Do NOT use this tag for Angular 2 or later versions; instead, use the [angular] tag.
259733 questions
5 asked today, 110 this week
a safe, fast, and expressive general-purpose programming language developed by Apple Inc. for its platforms and Linux. Swift is open-source. Use the tag only for questions about language feat…
256073 questions
101 asked today, 964 this week
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 …
220937 questions
51 asked today, 470 this week
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…
220135 questions
81 asked today, 843 this week
unless you are addressing Apple's iPhone and/or iPod touch specifically. For questions not dependent on hardware, use the tag [ios]. More tags to consider are [xcode] (but only if …
220085 questions
7 asked today, 74 this week
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…
214798 questions
45 asked today, 747 this week
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…
211025 questions
18 asked today, 235 this week
For questions about Python programming that are specific to version 3+ of the language. Use the more generic [python] tag if your question is not version-specific. Use the [python-2.x] tags for Python…
209884 questions
156 asked today, 1615 this week
a technique for creating seamless interactive websites via asynchronous data exchange between client and server. AJAX facilitates communication with the serve…
205998 questions
25 asked today, 283 this week
Questions about Angular (not to be confused with AngularJS), the web framework from Google. Use this tag for Angular questions which are not specific to an individual version. For the older AngularJS …
202631 questions
101 asked today, 1332 this week
a flexible, structured document format that defines human- and machine-readable encoding rules.
190303 questions
26 asked today, 279 this week
React (also known as React.js or ReactJS) is a JavaScript library developed by Facebook for building user interfaces. It uses a declarative, component-based paradigm and aims to be both efficient and …
187957 questions
180 asked today, 1902 this week
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 …
186638 questions
16 asked today, 249 this week
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