Answer:

Bash completion (bash-complete) is a tool that allow you to auto complete commands and their arguments easily using the "tab" keys.

Firstly, make sure you have installed Homebrew, then

# brew install git bash-completion

And add the following lines in your ~/.bash_profile

if [ -f `brew --prefix`/etc/bash_completion ]; then
    . `brew --prefix`/etc/bash_completion
fi

Restart your terminal and now you can see the effect of bash complete by tabbing..

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Answer:

To get the MD5 checksum of a file under Mac OSX, like the md5sum command in Linux, you can use:

# md5 my-file.zip

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Answer:

To import a private key e.g. key.p12 into your login keychain, use the command:

# security import key.p12 -k ~/Library/Keychains/login.keychain

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Answer:

To set the JAVA_HOME environment variable on OSX, add the following line in your ~/.bash_profile

export JAVA_HOME=$(/usr/libexec/java_home)

That's all.

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Answer:

Homebrew is the easiest and most flexible way to install the UNIX tools Apple didn't include with OS X. To install under Mac's terminal, type

# /usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)"

That's it.

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Answer:

1. To print the whole screen in Mac OS X, try

Press down Apple key ⌘ + Shift + 3 at the same time

2. To print an active window

Press down Apple key ⌘ + Shift + 4 at the same time

When you see the mouse changed to +, press the space key in your keyboard.

3. To print a portion of your screen

Press down Apple key ⌘ + Shift + 4 at the same time

When you see the mouse changed to +, move your mouse to select the portion .

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Answer:

To make desktop icons on Mac OSX snap to grid, follow the steps below:

1. Click anywhere on the desktop

2. Select "Show View Options"

3. At the row "Arrange By", select "Snap to Grid"

That's all what you need.

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Answer:

Save the following lines as .hgignore and put it under the root of your project root directory, Mercurial will ignore them automatically.

^build/*
\.mode1v3
\.pbxuser
\.DS_Store
^\.*

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Answer:

To install Git in Mac using MacPort, following the method below:

1. Search if Git is available

# port search git

2. You will found the package named "git-core", go ahead to install it

# sudo port install git-core

That's all.

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Answer:

To copy the output in Mac OSX Terminal to clipboard, you can use the the command pbcopy

# date | pbcopy

The paste it into your favorite editor.

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