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How do I get the first n characters of a string without checking the size or going out of bounds?
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358
Here's a neat solution:
String upToNCharacters = s.substring(0, Math.min(s.length(), n));
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C# switch on type [duplicate]
...e1), () => ... },
{ typeof(Type2), () => ... },
{ typeof(Type3), () => ... },
};
@switch[typeof(MyType)]();
It's a little less flexible as you can't fall through cases, continue etc. But I rarely do so anyway.
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How can I check the size of a collection within a Django template?
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edited May 3 '17 at 6:56
MichielB
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What is stack unwinding?
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153
Stack unwinding is usually talked about in connection with exception handling. Here's an example...
AngularJS $http, CORS and http authentication
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43
No you don't have to put credentials, You have to put headers on client side eg:
$http({
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How to add 10 days to current time in Rails
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the Tin Man
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answered Jan 11 '11 at 5:22
gunngunn
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Where is Vagrant saving changes to the VM?
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113
Vagrant imports the base box which is located at ~/.vagrant.d/boxes/, like you said.
This is whe...
AngularJS: disabling all form controls between submit and server response
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283
Wrap all your fields in fieldset and use ngDisabled directive like this:
<fieldset ng-disabl...
Catching error codes in a shell pipe
...ng uses:
tmp=${TMPDIR:-/tmp}/mine.$$
trap 'rm -f $tmp.[12]; exit 1' 0 1 2 3 13 15
...if statement as before...
rm -f $tmp.[12]
trap 0 1 2 3 13 15
The first trap line says 'run the commands 'rm -f $tmp.[12]; exit 1' when any of the signals 1 SIGHUP, 2 SIGINT, 3 SIGQUIT, 13 SIGPIPE, or 15 SIGTERM o...
Python function overloading
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153
What you are asking for is called multiple dispatch. See Julia language examples which demonstra...