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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.

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an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability. Use the python tag for all Python related questions. If you believe your …
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Java (not to be confused with JavaScript) is a class-based, object-oriented, strongly typed, reflective language and run-time environment (JRE). Java programs are compiled to bytecode and run in a vir…
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a multi-paradigm, managed, garbage-collected, object-oriented programming language created by Microsoft in conjunction with the .NET platform. Use this tag for questions related to C#. In case a…
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ECMAScript or ES (commonly referred to as JavaScript) is primarily used for scripting web-pages but also has several embedded forms as stand-alone interpreters or JIT compilers. Use this tag for quest…
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a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. This tag should be used for any question which requires knowledge or expertise with the C++ progra…
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a subset of Optimization: performance is the goal when you want the execution time of your program or routine to be optimal.
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to your question to indicate that you are new to the language of your code. This will often be taken into consideration by reviewers when assessing your code.
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a sequence of well-defined steps that define an abstract solution to a problem. Use this tag when your issue is related to algorithm design.
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a widely-used, general-purpose scripting language that is especially suited for web development.
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the latest version of the Python programming language and was formally released on December 3rd, 2008. Use this tag along with the main python tag to denote programs that are meant to be r…
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a programming paradigm using "objects": data structures consisting of data fields and methods together with their interactions.
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a general-purpose computer programming language used for operating systems, games, and other high performance work and is clearly distinct from C++. It was developed in 1972 by Dennis Ritchie for…
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off-site challenges meant to offer programmers educational experiences while testing their abilities.
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a sequence of characters. It is commonly used to represent text or a sequence of bytes. Use this tag along with the appropriate programming language being used.
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A JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.
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an ordered data structure consisting of a collection of elements (values or variables), each identified by one (single dimensional array, or vector) or multiple indexes.
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the successor to the C++03 standard, adding various core language changes and fixes, and an improved and expanded standard library.
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a multi-platform, open-source, dynamic, object-oriented, interpreted language created by Yukihiro Matsumoto (Matz) in 1993.
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the standard content markup language of the web. It is an open standard developed and maintained by W3C (World Wide Web Consortium).
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For questions requesting reviews of game development code.
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how work performed by a computer can be divided into multiple concurrent streams of execution (generally referred to as threads).
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a language for interacting with relational databases. Read the tag wiki's guidelines for requesting SQL reviews: 1) Provide context, 2) Include the schema, 3) If asking ab…
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the predecessor of Python 3 and its last version, Python 2.7 was formally released on July 3, 2010. Use this tag along with the main python tag to denote programs that are meant to be run …
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a general reusable solution to a commonly occurring problem in software design.
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the process of analysing a string of symbols, either in natural language or in computer languages, conforming to the rules of a formal grammar.
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in the process of being eliminated. If your question is just about performance, use the [performance] tag.
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a software framework supporting a multi-language paradigm and supporting language interoperability. .NET applications are executed in a virtual machine (CLR) which provides a few important ser…
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an event-driven programming language first introduced by Microsoft in 1993 to give Excel 5.0 a more robust object-oriented language for writing macros and automa…
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an open-source, relational database management system. If your PHP code uses MySQLi, use the MySQLi tag instead.
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the process of applying some order to a collection of items.
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DateTime objects in many programming languages describe an instant in time, expressed as a date and time of day. Use on questions about reviewing code involving date/time logic.
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a purely functional programming language, featuring static typing, lazy evaluation, and monadic effects. The primary implementation is GHC, a high-performance compiler with a runtime suppor…
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a data structure in which the elements contain references to the next (and optionally the previous) element.
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a commercial spreadsheet application written and distributed by Microsoft.
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a method of problem solving where the solution to a problem depends on solutions to smaller instances of the same problem.
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a method by which individual units of source code are tested to determine if they are fit for use.