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Linux command to list all available commands and aliases
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You can use the bash(1) built-in compgen
compgen -c will list all the commands you could run.
compgen -a will list all the aliases you could run.
compgen -b will list all the built-ins you could run.
compgen -k will list all the keywords you co...
Is there any way to git checkout previous branch?
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From the release notes for 1.6.2
@{-1} is a way to refer to the last branch you were on. ...
Can I change multiplier property for NSLayoutConstraint?
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How do I type using my keyboard on the iphone simulator?
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How do you send a HEAD HTTP request in Python 2?
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Convert PDF to clean SVG? [closed]
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answered Apr 23 '12 at 20:53
Saintt Sheldon PatnettSaintt Sheldon Patnett
1,12388 silver badges88 bronze badges
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What is an “unwrapped value” in Swift?
I'm learning Swift for iOS 8 / OSX 10.10 by following this tutorial , and the term " unwrapped value " is used several times, as in this paragraph (under Objects and Class ):
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.gitignore all the .DS_Store files in every folder and subfolder
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Convert floating point number to a certain precision, and then copy to string
I have a floating point number, say 135.12345678910 . I want to concatenate that value to a string, but only want 135.123456789 . With print, I can easily do this by doing something like:
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