An atomic operation is indivisible. This term is used to describe transactions in databases, low-level accesses in multithreaded programs, and file system operations, amongst others.

HAML is a markup language that’s used to cleanly and simply describe the HTML of any web document without the use of inline code. It can be used as a standalone HTML generation tool or as a template rendering engine in a web framework such as Ruby on Rails or Ramaze. HAML templates are pre-compiled into plain HTML templates which is consumed by a client's web browser to render information sent by the server as a HTML web page.

An AVPlayer object is used to implement controllers and user interfaces for single- or multiple-item playback.

Topics related to the generation of code as the output of an application, instead of directly writing code by a programmer.

An element capable of being dragged.

The RichTextBox control allows to display or edit RTF (Rich Text Format) content, which may include formatted paragraphs, hyperlinks, and inline images.

Windows XP is a historical Microsoft operating system edition for use on personal computers. Support was discontinued in April 2014. Important note: This tag is exclusively for programming questions directly related to Windows XP; questions about general software issues should be directed to Super User. This tag is for all flavors of XP, including XP Home Edition, XP Professional, XP x64, Itanium-64, XP Embedded, and XP Tablet.

A wrapper is an OOP technique where an object encapsulates (wraps) another object, resource (dynamically allocated memory, OS file/widow handle, socket, thread mutex, etc) or a set of subroutines, hiding/protecting it and providing another (possibly easier to use) interface. When using this tag on implementation heavy questions - tag the code language the implementation is written in.

SSRS (SQL Server Reporting Services) is a server-based report generation software system from Microsoft. This version was released as part of SQL Server 2012 in March 2012.

A window function is a type of SQL operation that aggregates over a partition of the result set.

Java ActionListener is an invisible GUI object that gets its method called when the user performs a certain action. Common actions include pressing the push button, toggling the toggle button, checking the checkbox, selecting an item in combo box and the like.