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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
I didn't attend PDC 2008, but I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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Finding row index containing maximum value using R
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170
See ?which.max
> which.max( matrix[,2] )
[1] 2
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What does git push -u mean?
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answered Apr 6 '11 at 4:06
Rafe KettlerRafe Kettler
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How to randomly sort (scramble) an array in Ruby?
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answered Nov 29 '09 at 18:49
Ron GejmanRon Gejman
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Get last dirname/filename in a file path argument in Bash
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answered Jul 20 '10 at 20:29
sthsth
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Merging 2 branches together in GIT
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200
merge is used to bring two (or more) branches together.
a little example:
# on branch A:
# cr...
Create array of symbols
...iginal answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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What does -XX:MaxPermSize do?
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+50
The permanent space is where the classes, methods, internalized strings, and similar objects used by the VM are stored and never deall...
Is it possible to change the radio button icon in an android radio button group
...wn style for radio buttons, at res/values/styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme" parent="android:Theme">
<item name="android:radioButtonStyle">@style/RadioButton</item>
</style>
<style name="RadioButton" par...
How do I set the request timeout for one controller action in an asp.net mvc application
...matically in the controller:-
HttpContext.Current.Server.ScriptTimeout = 300;
Sets the timeout to 5 minutes instead of the default 110 seconds (what an odd default?)
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