Regular expression pattern matching function for the PHP programming language

For questions about importing modules in Python

NSMutableArray represents a modifiable (mutable) array object for Cocoa and Cocoa Touch. It is Available in OS X v10.0 and later

Questions specifically relating to the deprecated version 4.x.x of the Qt C++ GUI library. If your question applies to the current major version of Qt, use the tag [qt].

Questions in this tag typically involve the association that a set of data has with other set(s) of data.

Free open source shopping cart system written in PHP and based on MVC architecture. Questions regarding third party extensions, templates, or how to do what in administration should not be asked here - use the developer's support, OpenCart support team or OpenCart forums for this kind of question.

In prototype-based languages, the prototype of an object is a set of properties which is inherited by all objects which are based on this object. Not to be confused with [function-prototype], [prototype-js], [prototype-pattern], [prototype-scope] or [prototypejs]; see the full info for details.

jq is a sed-like tool for JSON data – you can use it to slice, filter, map, and transform structured data with the same ease that sed, awk, grep and friends lets you play with text.

Multiple-columns are when text is split into a number of parallel text columns, rather than one column of text. For CSS Multicolumn layout, use the [css-multicolumn-layout] tag.

Font Awesome is an iconic standalone vector font, initially developed for use with the Twitter Bootstrap front-end framework.

Ruby on Rails version 3.1.0 is a specific version of Ruby on Rails. It was released on August 30th, 2011. Use this tag for issues related to development in Ruby on Rails version 3.1.