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How can I check if a command exists in a shell script? [duplicate]
...t exist?
– Andrew
Sep 23 '11 at 20:37
12
Andrew, try if ! type "foo" > /dev/null 2>&1;
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Group vs role (Any real difference?)
...anything of course):
http://www.lhotka.net/weblog/CommentView,guid,9efcafc7-68a2-4f8f-bc64-66174453adfd.aspx
About a decade ago I saw some research on attribute-based and relationship-based access control which provide much better granularity than role-based access control. Unfortunately, I haven'...
How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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179
A comment first. The question was about not using try/catch.
If you do not mind to use it, read...
Convert timestamp in milliseconds to string formatted time in Java
...trying to convert a long value ( number of milliseconds elapsed from 1/1/1970 i.e. Epoch ) to time of format h:m:s:ms .
9 ...
Detecting input change in jQuery?
... // get the current value of the input field.
});
starting with jQuery 1.7, replace bind with on:
$('#someInput').on('input', function() {
$(this).val() // get the current value of the input field.
});
Method 2. keyup event
For older browsers use the keyup event (this will fire once a key...
Determine which element the mouse pointer is on top of in JavaScript
...kqwertymk
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1
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Send response to all clients except sender
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LearnRPGLearnRPG
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How to namespace Twitter Bootstrap so styles don't conflict
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Dec 20 '12 at 17:14
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Detach (move) subdirectory into separate Git repository
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1237
Update: This process is so common, that the git team made it much simpler with a new tool, git s...
Why are mutable structs “evil”?
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edited Oct 5 '10 at 7:38
Grumdrig
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answer...