Skip to main content


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.

Authentication is the process of determining whether someone or something is, in fact, who or what it is declared to be.
392 questions
for questions about search algorithms, tools, and technologies.
390 questions
For questions related to graphical animations. This includes, but is not limited to sliding, tweening, rotating and resizing of shapes.
388 questions
An HTML form is a section of a document containing normal content, markup, special elements called controls and labels on those controls.
385 questions
In computer science, a pointer is a programming language data type whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address.
382 questions
for questions about using, storing or manipulating integral values of all types and sizes, including concerns about overflow. Not for code that casually happens to use integers.
381 questions
R is a free, open source programming language and software environment for statistical computing and graphics.
380 questions
AJAX (Asynchronous Javascript And XML) is a popular technique for creating interactive websites, allowing web content to be updated asynchronously by exchanging small amounts of data with the server b…
379 questions
Converting involves changing data from one data type or format to another.
378 questions
Consider whether your question would be better asked at CrossValidated, a Stack Exchange site for probability, statistics, data analysis, data mining, and machine learning. Code Review questions on s…
369 questions
Programming questions involving digitally-represented playing cards. This includes representing cards and decks in data structures, user interfaces for manipulating cards in a virtual fashion, and imp…
368 questions
Simulation is the imitation of some real thing, state of affairs, or process. The act of simulating something generally entails representing certain key characteristics or behaviours of a selected phy…
364 questions
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…
363 questions
Networking is associated with creating and managing networks as well as adding network connectivity to a (set of) programs.
357 questions
Code written using version 1 of the AngularJS open-source JavaScript framework. Use 'angular-2+' for code using later versions.
355 questions
Tkinter is the standard Python interface to the "Tk" graphical user interface toolkit.
354 questions
Microsoft's well-known operating system. Use this tag for code reviews where the code is targeted specifically for this platform, when no other more specific tags exist.
352 questions
F# is a succinct, expressive, and efficient functional and object-oriented language for .NET
349 questions
This covers the asynchronous programming model supported by various programming languages, using the async and await keywords.
349 questions
Use this for code written in any assembly language. Assembly-language questions also need a tag to indicate the target processor's instruction set architecture (ISA).
346 questions
Visual Basic .NET (VB.NET) is an object-oriented computer programming language that can be viewed as an evolution of Microsoft's Visual Basic 6 (VB6) but implemented on the Microsoft .NET Framework.
342 questions
A compiled set of exposed objects that isn't directly executable, but that can be referenced and used by other code.
337 questions
Computer data logging is the process of recording events in a computer program, usually with a certain scope, in order to provide an audit trail that can be used to understand the activity of the syst…
336 questions
PDO is a PHP extension that serves as a data access abstraction layer for accessing databases.
334 questions
Collections APIs provide developers with a set of classes and interfaces that makes it easier to handle collections of objects.
333 questions
Windows Presentation Foundation (WPF) is part of the Microsoft .NET framework used to create rich client user experiences for Windows application.
332 questions
Bitwise refers to a bitwise operation which operates on one or more bit patterns or binary numerals at the level of their individual bits.
332 questions
For code which uses the Berkley Sockets API (specified by POSIX, and available on Windows too) to communicate with other processes using a network protocol.
331 questions
Django is a Python-based framework for creating web applications.
330 questions
A stream is a series of data elements (characters, bytes or complex packets) which can be accessed or made accessible in a serial fashion. Random access is not possible.
318 questions
Code that is written to the 2020 version of the C++ standard. Use in conjunction with the 'c++' tag.
318 questions
Vectors are sequence containers representing arrays that can change in size. For questions about geometric or algebraic vectors, use [coordinate-system] instead.
315 questions
for questions about using timers in code to make things happen in a certain order or for gathering amount of time elapsed.
315 questions
WinForms is the informal term given to the graphical application programming interface (API) included as a part of Microsoft's .NET Framework, providing access to the native Microsoft Windows interfac…
313 questions
The term 'shell' refers to a general class of text-based command interpreters most often associated with the Unix & Linux operating systems.
312 questions
Graphical User Interface development for applications or web sites. This tag should usually be combined with other tags specifying the programming language, platform or framework, if applicable.
311 questions
1 2 3