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Use this tag when the question refers to some resource, information, or problem relating exclusively to the PHP programming language. For example: questions about classe…

27,244 questions

Use this tag when the question refers to some feature, information, or problem that relates exclusively to the Javascript language (not to be confused with JAVA). Javasc…

26,588 questions

Use this tag when the question refers to some resource, information, or problem relating exclusively to the Java programming language. Java is a class-based, statically …

14,468 questions

Use this tag when the question refers to some resource, information or problem related exclusively to the HTML language (Hypertext Markup Language). HTML is the main mar…

14,259 questions

This tag should be used when the question refers to some resource, information or problem related to the C#language. C# ("C Sharp") is a multi-paradigm programming langu…

13,899 questions

jQuery is a Javascript library focused primarily on DOM handling, event management and Ajax, seeking to free developers from directly dealing with a number of browser co…

11,371 questions

Mysql is a relational database management system (RDBMS) that functions as a server, and provides access to multiple users simultaneously. Your source code is available …

10,264 questions

Android is an operating system for mobile devices developed by Google and the Open Handset Alliance. Use this tag to reference questions related to programming for Andro…

8,935 questions

Python is a dynamic and heavily typed programming language whose design philosophy emphasizes usability. Two similar but incompatible versions of Python are in use (2 an…

8,642 questions

Cascading Style Sheets (or simply CSS) is a style language used to define the presentation of documents written in a markup language, such as HTML or XML. Its main benef…

8,314 questions

Structured Query Language (SQL) is a language to query databases. Questions should include examples of table code and structure. This tag refers to the default language,…

6,771 questions

C is a general-purpose computer programming language used for operating systems, games, and other high-performance jobs and is clearly distinct from C++. It was develope…

4,811 questions

HTML5 (Hypertext Markup Language, version 5) is a generic term for recent web technologies (HTML, CSS, and Javascript). It is also the latest iteration of the HTML Recom…

3,881 questions

A database (its abbreviation is BD, DB, database) is an organized collection of data typically used to model certain situations. Use this tag if you have questions abou…

3,414 questions

AJAX (Asynchronous Javascript and XML) is a technique for creating interactive websites uniformly through asynchronous data exchange between client and server. AJAX faci…

3,397 questions

ASP.NET MVC is an open-source Microsoft framework that implements the Model View Controller architecture standards for web development. Based on ASP.NET, it allows softw…

3,385 questions

Python 3 is the latest version of the Python programming language and was formally released on December 3, 2008.

3,274 questions

JSON (Javascript Object Notation - Javascript Object Notation) is a lightweight data exchange formatting. For humans, it is easy to read and write. For machines, it is e…

3,116 questions

An array (array, vector, or matrix) is an ordered data structure representing a collection of elements (values or variables), each identified by one or multiple indices.

3,046 questions

Laravel is an open-source framework for developing web applications and services with PHP. Before asking consult the official documentation of Laravel.

2,777 questions

SQL Server is a relational database management system from Microsoft. Use this tag for all SQL Server editions, including Compact, Express, Azure, Fasttrack and PDW.

2,752 questions

The Microsoft . NET is a set of libraries and functions that are part of the Basic Class Library (BCL), such as user interface functions, data access, connectivity, cryp…

2,689 questions

Node.js (or commonly Node) is a Javascript Runtime created with Chrome’s Javascript V8 engine. It allows you to run Javascript code without the need for a browser, raisi…

2,679 questions

This tag should be used when the question refers to some resource, information or problem related to the Angularjs framework. If so, only about Angular, there is a speci…

2,494 questions

R is an open-source environment and programming language for statistical computing, bioinformatics, and graphics. It is advisable to supplement your question with a min…

2,359 questions

C++ is a typed, compiled, multi-paradigm, intermediate level, and general purpose programming language. It should not be confused with the language C. It was developed i…

2,348 questions

Angular is a framework created by Google for the development of web applications. Use this tag for questions about syntax, errors, doubts, among others. Not specific to …

2,063 questions

The term CSS3 is used to refer to CSS properties and selectors added after level 2.1 of the specification. Use this tag for questions about new CSS modules.

1,944 questions

A string is a sequence of zero or more characters. It is commonly used to represent text or a sequence of bytes. When marking a question with this tag, also mark with th…

1,904 questions

ASP.NET is a web application framework developed by Microsoft to allow programmers to build dynamic websites and web applications. Use the tag for traditional web forms,…

1,881 questions

Wordpress is a content management system (CMS) written in PHP with Mysql database, aimed primarily at creating websites and blogs. This tag includes questions about modi…

1,512 questions

Object orientation is a paradigm of analysis, design and programming of software systems based on the composition and interaction between several units of software calle…

1,456 questions

Postgresql is an open-source, object-relational database management system (ORDBMS) available for many platforms, including Linux, UNIX, MS Windows, and macOS. Please…

1,437 questions

Bootstrap is a front-end (client) framework, created by Twitter, designed to serve as the basis for developing web applications and websites. Use the tag "twitter-bootst…

1,437 questions

It is an open source Javascript library for creating user interfaces. It is maintained by Facebook, Instagram and a community of individual developers and other companies

1,420 questions

Delphi is a language for the rapid development of native applications for Windows, OS X, iOS and Android applications. The name refers to both the Delphi language (a mod…

1,390 questions