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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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How can I use mySQL replace() to replace strings in multiple records?
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answered Nov 24 '10 at 20:28
Raj MoreRaj More
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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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How to compile a static library in Linux?
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answered Apr 29 '10 at 4:10
Matthew FlaschenMatthew Flaschen
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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...
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 to get the input from the Tkinter Text Widget?
...eving its input.
def retrieve_input():
input = self.myText_Box.get("1.0",END)
The first part, "1.0" means that the input should be read from line one, character zero (ie: the very first character). END is an imported constant which is set to the string "end". The END part means to read until ...