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Extracting the last n characters from a ruby string
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101
Here you have a one liner, you can put a number greater than the size of the string:
"123".sp...
Add column with constant value to pandas dataframe [duplicate]
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The reason this puts NaN into a column is because df.index and the Index of your right-hand-side...
How to install the current version of Go in Ubuntu Precise
Running sudo apt-get install golang-stable , I get Go version go1.0.3 . Is there any way to install go1.1.1 ?
16 Answers...
rreplace - How to replace the last occurrence of an expression in a string?
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197
>>> def rreplace(s, old, new, occurrence):
... li = s.rsplit(old, occurrence)
... r...
Boolean vs tinyint(1) for boolean values in MySQL
...atabase for boolean values? I use boolean but my colleague uses tinyint(1) .
6 Answers
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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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What version of javac built my jar?
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edited Apr 21 '12 at 12:37
Soundlink
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How to randomly sort (scramble) an array in Ruby?
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Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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How to pass optional arguments to a method in C++?
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145
Here is an example of passing mode as optional parameter
void myfunc(int blah, int mode = 0)...