The term 'shell' refers to a general class of text-based interactive command interpreters most often associated with the Unix & Linux operating systems. For questions about shell scripting, please use a more specific tag such as 'bash', 'powershell' or 'ksh'. Without a specific tag, a portable (POSIX-compliant) solution should be assumed, though using 'posix' in addition or 'sh' instead is preferable.

Express.js is a minimal and flexible Node.js web application framework providing a robust set of features for building web applications.

Use for questions about using Android Studio, an official IDE by Google targeted at Android app development. Do NOT use for questions about programming for Android in general; instead, use the [android] tag.

Facebook Platform lets developers integrate their apps directly into the Facebook social networking service. Use this tag for questions which may arise when developing FOR Facebook. This tag is NOT for support questions about using the Facebook website or the official Facebook app. It is also NOT for questions of the “I want to implement a feature similar to what Facebook has” variety.

Comma-Separated Values or Character-Separated Values (CSV) is a common "flat file database" (or spreadsheet-style) format for storing tabular data in plain text, with fields separated by a special character (comma, tab, etc). Rows are typically denoted by newline characters. Use for any delimited file formats, including tab delimited (TSV)

Language Integrated Query (LINQ) is a Microsoft .NET Framework component that adds native data querying capabilities to .NET languages. Please consider using more detailed tags when appropriate, for example [linq-to-sql], [linq-to-entities] / [entity-framework], or [plinq]

Apache Maven is a build automation and project management tool used primarily for Java projects. This tag is for questions that don't relate to a specific Maven version. Use the gradle tag instead for questions relating to Gradle.

Qt is a cross-platform application development framework widely used for the development of application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while having the power and speed of native applications. Qt is available with both commercial and open source licenses.

Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.

Swing is a user-interface toolkit in Java and is shipped with the standard Java SDK. It is contained within the package javax.swing.

A block of arbitrary information, or resource for storing information, accessible by the string-based name or path. Files are available to computer programs and are usually based on some kind of persistent storage.