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.
An HTML form is a section of a document containing normal content, markup, special elements called controls and labels on those controls.
For questions related to graphical animations. This includes, but is not limited to sliding, tweening, rotating and resizing of shapes.
R is a free, open source programming language and software environment for statistical computing and graphics.
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.
for questions about search algorithms, tools, and technologies.
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.
Converting involves changing data from one data type or format to another.
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…
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…
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…
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…
Networking is associated with creating and managing networks as well as adding network connectivity to a (set of) programs.
F# is a succinct, expressive, and efficient functional and object-oriented language for .NET
This covers the asynchronous programming model supported by various programming languages, using the async and await keywords.
Tkinter is the standard Python interface to the "Tk" graphical user interface toolkit.
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.
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.
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).
Windows Presentation Foundation (WPF) is part of the Microsoft .NET framework used to create rich client user experiences for Windows application.
PDO is a PHP extension that serves as a data access abstraction layer for accessing databases.
Django is a Python-based framework for creating web applications.
A compiled set of exposed objects that isn't directly executable, but that can be referenced and used by other code.
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…
Collections APIs provide developers with a set of classes and interfaces that makes it easier to handle collections of objects.
Bitwise refers to a bitwise operation which operates on one or more bit patterns or binary numerals at the level of their individual bits.
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.
for questions about using timers in code to make things happen in a certain order or for gathering amount of time elapsed.
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.
Clojure is a Lisp dialect for the Java Virtual Machine. Its main features include a software transactional memory system for coherent updates to data structures, transparent access to Java libraries, …
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…
Vectors are sequence containers representing arrays that can change in size. For questions about geometric or algebraic vectors, use [coordinate-system] instead.
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.
The term 'shell' refers to a general class of text-based command interpreters most often associated with the Unix & Linux operating systems.