Show Git Commits By Author

It is as simply as
git log --author=<PATTERN>

for example

git log --author=viktor

Migrating to Dotcloud CLI 0.4.x with 'pip: error: no such option: -u'

Checking the version number
$ dotcloud --version
DotCloud CLI version 0.3.1

Installing Pip (it is a tool for installing and managing Python packages)
$ sudo easy_install pip

Installing the dotcloud CLI 0.4.x
$ sudo pip install --upgrade dotcloud


In the dotcloud migration document they use pip -U but in Pip version 1.0.1 there is no such an option.

Checking the version number again.
$ dotcloud --version
DotCloud CLI version 0.4.0

All right.

Image width/height with Imagemagick in Command line

Imagemagick comes handy when you need information from an image.

# width
w=`identify -format "%w" image.png`

# height
h=`identify -format "%h" image.png`

More information on Imagemagick's identify.

useful iterm2 shortcuts

iTerm2 is a good replacement for Terminal on OS X

Splitting the window: Command+D to split the window vertically, or Command+Shift+D to split the window horizontally.

Switching between the sub-windows: Command+[ or Command+] or Command+Opt+arrows

Fullscreen: Command+Enter

Turning off case-sensitive tab completion in bash

/etc/inputrc deals with the mapping of the keyboard for certain situations.

Adding

set completion-ignore-case on

to the file turns off case-sensitivity in tab completion.


echo set completion-ignore-case on | sudo tee -a /etc/inputrc