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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Questions about working together with co-workers or a team. (Teamwork questions are at risk of being "put on hold as off-topic" for being about career advice or education.)
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the process of improving an existing program to make it work more efficiently or/and using less resources.
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available as part of .Net framework 3.5 and later.
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a collection of resources providing data and/or services for developing independent software.
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The elicitation, analysis, specification, verification, and validation of requirements for a software project.
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For questions about the history of programming and computing.
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for questions about the practice of code review and code walkthroughs. For reviews of existing, working code, please see http://codereview.stackexchange.com
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a relational database management system from Microsoft.
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the act of one entity proving its identity to another entity. Common examples involve public key cryptography. For example, proving that a banking web site actually belongs to the ba…
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JSON (JavaScript Object Notation) aka the Fat Free Alternative to XML is a lightweight data exchange format inspired by JavaScript object literals. It is often used with JavaScript, Ajax, and RESTful …
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a web-based hosting service for projects that use the open-source Git revision control system.
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Mnemonics for set of design principles: Single responsibility, Open-closed, Liskov substitution, Interface segregation, Dependency inversion
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Design patterns (repeatable solutions to commonly occurring problems) and best practices in software engineering
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In software engineering, continuous integration (CI) implements the continuous building and automated testing of the full software product on a frequent schedule. At least once a day, often several ti…
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Questions involving programming on Microsoft Windows technology, including its API.
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HyperText Transfer Protocol - a textual system for representing web requests and replies.
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a set of tools additional to a programming language, and to the respective compiler. Sometimes it is mandatory; sometime it is optional, and assists the development of an application.
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a property of systems in which several processes are executing at the same time.
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Specific APIs that communicate over web protocols, such as ASP.net Web API, as well as APIs that are exposed to web pages for network communication or apps for device communication
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a digital database based on the relational model of data. This model organizes data into one or more tables (or "relations") of columns and rows
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Questions about Ruby, dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features.
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a popular, open source operating system kernel. Linus Torvalds started development of the kernel in 1991.
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all of the activities that make a software system available for use. Questions relating to deploying software go under this tag.
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an open-source web development framework optimized for programmer happiness and maintaining sustainable productivity. Many things are defined by convention, freeing you from having to…
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composed of the objects, behavior, relationships, and attributes that make up the industry that is the focus of development.
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Analyzing (un)structured data to convert it into a structured, normalized format.
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the process by which application software is developed for mobile devices (usually low-power handheld or portable devices).
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the way in which successive versions of the same software are identified using unique version names or unique version numbers.
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The high level design and description of software systems frequently characterized by having large quantities of persistent data that is accessed concurrently.
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a language for specifying the layout and presentation in general of markup such as HTML and XML.
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significantly affected or best defined by the underlying mathematics of the problem.
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a block of code which performs a specific task.
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Questions about legal problems which may arise during software development or questions about software law, patents and copyrights in general.
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store programs or data on a temporary or permanent basis for use in a computer or other digital electronic device.
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a general reusable solution related to the high level structure of software systems. For reusable solutions having a more specific scope (e.g. individual classes/components…