tcsh is an enhanced but completely compatible version of the Berkeley UNIX C shell, csh.

GeoIP is the process of analyzing an IP address and determining the geographical location of that end point.

Is the mathematical operation required to change from a coordinate system to another.

proc sql is a SAS procedure used to submit SQL statements to the SAS compiler. For Oracle Pro*C, please use [oracle-pro-c].

The NSRegularExpression class is used to represent and apply regular expressions to Unicode strings. An instance of this class is an immutable representation of a compiled regular expression pattern and various option flags. The pattern syntax currently supported is that specified by ICU. iOS 4.0+ macOS 10.7+

Questions regarding Airbnb's Lottie, a library for rendering After Effects animations in real-time. Use this tag for questions regarding implementations using the Android, iOS, or React-based branches of Lottie.

CLIPS is an acronym for C Language Integrated Production System, rules-based programming framework designed for building expert systems.

An administrator account is a user account on an operating system which allow make changes that can affect other users (including, but not limited to, the creation and restriction of user accounts), change operating system options (including security settings), install software and drivers, access all files.

Questions related to the PowerPC family of RISC processors.

For non-programming-related questions (e.g. errors connecting via VNC), consider asking at superuser.com instead. Virtual Network Computing (VNC) is a desktop sharing system which uses the RFB protocol to remotely view and control another desktop.

WSS stands for Windows SharePoint Services, SharePoint Server 2007's "little" brother. It forms the basis for the full blown server product. As of SharePoint Server 2010 it is called SharePoint Server Foundation.