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How safe is it to store sessions with Redis?
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Save icon: Still a floppy disk? [closed]
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31 Answers
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git status shows modifications, git checkout — doesn't remove them
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23 Answers
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How can I remove a key and its value from an associative array?
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381
You can use unset:
unset($array['key-here']);
Example:
$array = array("key1" => "value1...
MongoDB: update every document on one field
... document. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.foo.updateMany( {}, <update> )
{} is the condition (the empty condition matches any document)
3.2 > $version >= 2.2:
db.foo.update( {}, <update>, { multi: true } )
{} is the condition (the ...
How to detect the device orientation using CSS media queries?
...landscape) { … }
The CSS definition of a media query is at http://www.w3.org/TR/css3-mediaqueries/#orientation
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How to define hash tables in Bash?
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993
Bash 4
Bash 4 natively supports this feature. Make sure your script's hashbang is #!/usr/bin/e...
How to scale SVG image to fill browser window?
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edited Jul 8 '12 at 3:26
answered Apr 13 '11 at 4:33
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Branch from a previous commit using Git
If I have n commits, how can I branch from the n-3 commit?
19 Answers
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How can I see what has changed in a file before committing to git?
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git diff --staged
Depending on your exact situation, there are three useful ...