Transitive dependencies are a new feature since Maven 2.0.

This is a brief tutorial about creating user and grant permissions in MySQL

Shortcuts can ease your life

A list of PCRE syntax:

The fact that regex doesn’t support inverse matching is not entirely true. You can mimic this behavior by using negative look-arounds:

When you create a shell script which requires some parameters as inputs, it is necessary to validate the parameters are recognizable by the script.

For safety purpose, you can create a user without login for SSH tunneling.

Such user won’t have access to login the system and don’t have a home folder either. The only thing this user can do is changing the login password.

程序员的菜单: 酱牛肉

Git Branches in a Nutshell

From this article you can get some basic usage of Git.