The *Onion Architecture* is a software architecture proposed by Jeffrey Palermo. It is similar to the *Hexagonal Architecture* (Ports and Adapters) proposed by Alistair Cockburn.

The Haskell Platform is a standardized multi-OS distribution for the Haskell programming language. Questions on this tag should not be about the Haskell language in general, but specific to issues with the platform installer and distribution.

G-WAN is a web server with scripts in Asm, C, C++, C#, D, Go, Java, Javascript, Lua, Objective-C, Perl, PHP, Python, Ruby and Scala.

A "soft keyboard" is a virtual keyboard based on a software component that allows a user to enter characters.

An index is undefined if it is not part of the array being accessed. Use this tag for questions regarding behaviour of undefined indexes or when you see undefined indexes where you don't expect them.

Microsoft Visual Studio C# Express is a free, lightweight Integrated Development Environments (IDE) developed by Microsoft. As opposed to the full Visual Studio product, the Express version provides a single-language, streamlined, easy-to-use and easy-to-learn IDE for non-professional users.

Hindi is the most spoken language of India, the world's second-most populated country. The script which is used to write Hindi is called "Devanagari".

Libavformat (lavf) is a library for dealing with various media container formats.

Solid drawables in android, these drawables are placed in 'drawable' folder inside 'res' folder, these are saved as xml files

Variadic macros are a feature of the C-preprocessor that permit a variable number of arguments to a macro. They were added in the 1999 revision of the C standard.

Node Inspector is a debugger interface for Node.js applications that uses the Blink Developer Tools (formerly WebKit Web Inspector).