Tags

A tag is a keyword or label that categorizes your question with other, similar questions.

XML (Extensible Markup Language) is a structured document format defining text encoding rules. When using this tag include additional tags such as programming language, tool sets, XML technologies being used, and other tags describing the environment of the problem posted. XML flexibility lends to a wide variety of uses for human and machine data transfer so be specific as to tools and libraries.
202243 questions
The ASP.NET MVC Framework is 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 ASP.NET technology foundation.
194627 questions
Visual Basic for Applications (VBA) is an event-driven, object-oriented programming language for writing macros, used for the entire Office suite as well as other applications. VBA is not equivalent to VB.NET, or VBS; if you're working in Visual Studio use [vb.net]. If your question is specifically about programming any MS Office application, also use the appropriate tag: [excel], [ms-access], [ms-word], [outlook], or [ms-project].
188192 questions
The Spring Framework is an open source framework for application development on the Java platform. At its core is rich support for component-based architectures, and it currently has over twenty highly integrated modules.
185059 questions
A database is 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 way that supports processes requiring information. Use this tag if you have questions about designing a database. If it is about a particular database management system, (e.g., MySQL), please use that tag instead.
178946 questions
This tag is for programming-specific questions about the WordPress content management system. Off-topic questions include those about theme development, WordPress administration, management best practices, server configuration, etc. These are best asked on the dedicated WordPress Development Stack Exchange site (https://wordpress.stackexchange.com).
176761 questions
Laravel is a free and open-source PHP web framework that allows developers to create dynamic and scalable web applications. The source code of Laravel is hosted on GitHub and licensed under the terms of MIT License.
174259 questions
A string is a finite sequence of symbols, commonly used for text, though sometimes for arbitrary data.
165336 questions
Windows Presentation Foundation, or WPF, is a subsystem for rendering user interfaces in Windows-based applications.
161677 questions
Writing software specific to the Microsoft Windows operating system: APIs, behaviors, etc. GENERAL WINDOWS SUPPORT IS OFF-TOPIC. Support questions may be asked on https://superuser.com
150194 questions
Xcode is Apple's integrated development environment (IDE). USAGE NOTE: Use this tag only for questions about the Xcode IDE itself, and not for general Mac or iOS programming topics. Use [cocoa] for Mac programming questions, and [cocoa-touch] or [iOS] or [Swift] for iOS programming questions.
150193 questions
TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. It adds optional types, classes, interfaces, and modules to JavaScript. This tag is for questions specific to TypeScript. It is not used for general JavaScript questions.
149912 questions
MongoDB is a scalable, high-performance, open source, document-oriented NoSQL database. It supports a large number of languages and application development platforms. Questions about server administration can be asked on https://dba.stackexchange.com.
148476 questions
PostgreSQL is an open-source, relational database management system (RDBMS) available for all major platforms including Linux, UNIX, Windows and OS X. Please mention your version of Postgres when asking questions. Questions concerning administration or advanced features are best directed to dba.stackexchange.com.
137468 questions
For questions about scripts written for the Bash command shell. For shell scripts with errors/syntax errors, please check them with the shellcheck program (or in the web shellcheck server at https://shellcheck.net) before posting here. Questions about interactive use of Bash are more likely to be on-topic on Super User than on Stack Overflow.
135523 questions
Visual Basic.NET (VB.NET) is a multi-paradigm, managed, type-safe, object-oriented computer programming language. Along with C# and F#, it is one of the main languages targeting the .NET Framework. VB.NET can be viewed as an evolution of Microsoft's Visual Basic 6 (VB6) but implemented on the Microsoft .NET Framework. DO NOT USE this tag for VB6, VBA or VBScript questions.
134281 questions
Oracle Database is a Multi-Model Database Management System created by Oracle Corporation. Do NOT use this tag for other products owned by Oracle, such as Java and MySQL.
134022 questions
Git is an open-source distributed version control system (DVCS). Use this tag for questions related to Git usage and workflows. DO NOT USE the [github] tag for Git-related issues simply because a repository happens to be hosted on GitHub. Also, do not use this tag for general programming questions that happen to involve a Git repository.
133870 questions
For questions regarding multi-threading, the ability of a computer or a program to perform work concurrently or asynchronously by utilizing multiple concurrent streams of execution (generally referred to as threads).
129831 questions
Eclipse is an open source IDE and platform for building applications. There is a wide variety of plugins for various programming languages and other development-oriented tools (such as modeling, database browsing, etc.). This tag should only be used for questions specifically about the Eclipse IDE or platform, not for generalized (Java, etc.) programming topics.
122304 questions
The list tag may refer to: a linked list (an ordered set of nodes, each referencing its successor), or a form of dynamic array. Not to be used for HTML lists, use [html-lists] instead.
117280 questions
Amazon Web Services (AWS) is a public-cloud: IaaS (Infrastructure as a Service) and SaaS (Software as a Service) provided by Amazon. Questions about programming and architecture are on topic. General server help can be obtained at https://serverfault.com. The AWS tag is rarely used alone and will usually be used with other tags to more clearly define the topic of the question.
117273 questions
Firebase is a serverless platform for unified development of applications for mobile devices and for the web.
112796 questions
An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to algorithm design.
107934 questions
macOS (formerly known as OS X or Mac OS X) is the desktop operating system from Apple, found on Macintosh computers. Use this tag only if your question relates to using macOS APIs or macOS-specific behavior, not because you happen to run your code on macOS. Questions relating to using or troubleshooting macOS are off-topic and belong in the Ask Different community instead.
107565 questions
A form is essentially a container that can be used to hold any amount of any subset of several types of data. HTML forms are used to pass data to a server. VB and C# forms are the windows used to interact with the user.
106674 questions
The image tag is for questions related to the loading, formatting, saving, compression, and display of images in the context of source code. This tag should also be used for assistance using various image libraries. Questions about specific image formats should include the tags for those formats. Include tags to mention if the question relates to format conversion, processing, etc.
105595 questions
Spring Boot is a framework that allows to easily create Spring-powered, production-grade applications and services with the absolute minimum fuss. It takes an opinionated view of the Spring platform designed to work for new and experienced users of Spring.
104965 questions
Microsoft Azure is a Platform as a Service and Infrastructure as a Service cloud computing platform. Use this tag for programming questions concerning Azure. General server help can be obtained at Super User or Server Fault.
104681 questions
Scala is a general-purpose programming language principally targeting the Java Virtual Machine. Designed to express common programming patterns in a concise, elegant, and type-safe way, it fuses both imperative and functional programming styles. Its key features are: an advanced static type system with type inference; function types; pattern-matching; implicit parameters and conversions; operator overloading; full interoperability with Java; concurrency
104383 questions
Use this tag if you have a specific question about Visual Studio features and functionality. DO NOT use this tag on questions regarding code which merely happened to be written in Visual Studio. Consider tagging the exact technology area your question links to and also tagging a more specific version of Visual Studio. Please mention your exact VS version, edition, and update level in your question.
102993 questions
Bootstrap is a frontend framework designed to kick-start development of Web apps and sites. For questions related to a version of Bootstrap also use the specific version's tag from "twitter-bootstrap-2", "twitter-bootstrap-3", "bootstrap-4" and "bootstrap-5" tags.
100884 questions
React native is a JavaScript library used to build native mobile apps using React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere.
100069 questions
Docker is a tool to build and run containers. Questions concerning Dockerfiles, operations, and architecture are accepted. Questions about running docker in production may find better responses on ServerFault (https://serverfault.com/). The docker tag is rarely used alone and is often paired with other tags such as docker-compose and kubernetes.
97825 questions
A data frame is a 2D tabular data structure. Usually, it contains data where rows are observations and columns are variables and are allowed to be of different types (as distinct from an array or matrix). While "data frame" or "dataframe" is the term used for this concept in several languages (R, Apache Spark, deedle, Maple, the pandas library in Python and the DataFrames library in Julia), "table" is the term used in MATLAB and SQL.
95558 questions
A function (also called a procedure, method, subroutine, or routine) is a portion of code intended to carry out a single, specific task. Use this tag for questions which specifically involve creating or calling functions. For help implementing a function to perform a task, use [algorithm] or a task-specific tag instead.
94703 questions