JetBrains recently released a new C/C++ IDE: CLion

Add .jekyll-metadata to default Jekyll .gitignore

Stop ignoring app/code/local/Mage

Create KiCAD.gitignore

Link to section being described

Ignore timing.properties from takari-smart-builder

comment out CakePHP version headers

This extension is an alternative scheduler to build multi-module Maven projects.
It stores and updates timing for every build run in .mvn/timing.properties.

http://takari.io/book/30-team-maven.html#takari-smart-builder

with 'mage' on the gitignore file, a user can't
add files customized from Mage

Add file for KiCAD EDA software

Added coverage annotation files

Added missing wildcard to the `*,cover` coverage annotation.

removing aditional white space

Add dSYM folder to C.gitignore for OSX env

Add buildNumber.properties

Update Jetbrains.gitignore

Add ".ensime_cache" to "Ensime.gitignore"

Add ".env" to Laravel.gitignore

Add CUDA.gitignore

.ensime_cache is cache dir.

See https://github.com/github/gitignore/pull/527

> For C.gitignore add dSYM folder from Mac OS X to gitignore

removing this aditional white space avoid a mistake for beginners developers ignore the pod directory, because is confusing to note when they remove the '#' character and git still is tracking the pod dir.

Laravel 5 uses vlucas/phpdotenv for env configuration.
http://laravel.com/docs/5.0/configuration#environment-configuration
Previous version used env.php files. the new configuration files do not have
.php extension

Coverage creates annotation files by appending ",cover" (with a comma, not a period) to the filename.

The popular build plugin org.codehaus.mojo:buildnumber-maven-plugin stores the build number it managers in a file named buildNumber.properties.

Mercury.gitignore: Add Mercury.modules

Ignore auxiliary files for gnuplottex

Update Joomla.gitignore

Add .coverage. to Python.gitignore

Expand list of root-of-volume dotfiles

add dependency-reduced-pom.xml, which is a maven shader thing

Remove cabal.config from Haskell gitignore

Added backup files for WinEdt

WinEdt (a popular TEX editor for windows) uses files "*.bak" for backup and "*.sav" for autosave.

The Stackage project provides a cabal.config which locks in a specific
package set.  This file should be shared between developers project so
that everyone is developing using the same versions of packages.