GraphQL is an API technology designed to describe the complex, nested data dependencies of modern web applications. It is often considered an alternative to SOAP or REST

Natural language processing (NLP) is a subfield of artificial intelligence that involves transforming or extracting useful information from natural language data. Methods include machine-learning and rule-based approaches.

Windows Phone 8 is a version of Windows Phone (Oct 29, 2012 - present) that succeeds Windows Phone 7.5 and includes many new features.

The general form of a file or directory name that specifies a unique location in a file system. In many Linux and Unix-like OS the PATH (all upper case) variable specifies the directories where executable programs are searched for.

Part of the MVC pattern, the Model manages the behaviour and data of the application.

A login or logon (also called logging in or on and signing in or on) is the process by which individual access to a computer system is controlled by identification of the user using credentials provided by the user. Please use the [authentication] tag instead.

Functional programming is a programming paradigm based upon building abstractions using functions, avoiding side effects and change of state. Pure functional programming is thread-safe.

A hyperlink is a reference to a document (or a section) that can be followed for retrieval using a navigation system that allows selecting emphasized content within an originating document.

Xamarin.Android (previously known as Mono for Android) is an implementation of Mono that runs on the Android platform, allowing you to write Android applications in C# using native Android libraries as well as using the .NET BCL (Base Class Libraries). Use this tag for issues that only occur when using Xamarin.Android, or when using Android-specific features.

Questions about the template engine of Django, which is intended to separate the presentation of a document from its data.

RSpec is a behavior-driven development (BDD) framework for the Ruby programming language, inspired by JBehave. It contains its own fully integrated mocking framework based upon JMock. The framework can be considered a domain-specific language (DSL) and resembles a natural language specification.