The `checked` attribute of the HTML `input` tag used to set the checked state of the control to “on” by default. Used to set the state of the `input` controls with the `type` attribute `"checkbox"` or `"radio"`.

Scale-invariant feature transform (SIFT) is an algorithm in computer vision to detect and describe local features in images. This tag is for programming questions related to SIFT implementation or programs that use SIFT algorithm for computer vision applications.

The Yahoo! Query Language was an expressive SQL-like language that lets you query, filter, and join data across Web services.

The Jersey client API is a high-level Java based API for interoperating with RESTful Web services.

Java SE version 6 was released in December 2006. Use this tag for questions specific to this version of Java.

A design pattern to represent a web page as an object. Usually used in UI / end-to-end testing and browser automation.

Media Foundation is an API which enables development of multimedia applications on Windows.

Version 7.x of IBM WebSphere Application Server (WAS)

The ABAddressBook opaque type provides a programming interface to the Address Book — a centralized database used by multiple applications to store personal information about people. Available on iOS 2.0 or above , and Mac OS X

A flat-file database model is any system using a single file for storage with one record per line, usually plain-text or text mixed with binary data.

A formatter may be any program or piece of program that modifies a file or input text so that it complies to a given format, or generate a text in a given format from input data. Examples include: formatting a date to a localized format; indent a source code; replace variables in a string with inputted values; etc.