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`if __name__ == '__main__'` equivalent in Ruby
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Error: could not find function … in R
...n code created for a newer version. Newly added functions (eg hasName in R 3.4.0) won't be found then. If you use an older R version and want to use a newer function, you can use the package backports to make such functions available. You also find a list of functions that need to be backported on t...
Print array elements on separate lines in Bash?
...even Penny
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answered Mar 28 '13 at 20:57
Gilles QuenotGilles Quenot
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How to clear gradle cache?
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As @Bradford20000 pointed out in the comments, there might be a gradle.properties file as well a...
Why are primes important in cryptography?
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edited Feb 24 at 13:04
Arcturus B
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JavaScript: filter() for Objects
...'m everywhere!"
alert( new Date().extended ); // "I'm everywhere!"
alert( 3..extended ); // "I'm everywhere!"
alert( true.extended ); // "I'm everywhere!"
alert( "here?".extended ); // "I'm everywhere!"
Instead create a function that you pass the object.
Object.filter = fun...
FB OpenGraph og:image not pulling images (possibly https?)
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edited Apr 14 at 20:37
answered Jan 18 '12 at 13:25
K...
Pythonic way to add datetime.date and datetime.time objects
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It's in the python docs.
import datetime
datetime.datetime.combine(datetime.date(2011, 1, 1),...
how to get program files x86 env variable?
...files(x86)% ==> C:\Program Files (x86)
On a 64-bit machine running in 32-bit (WOW64) mode:
echo %programfiles% ==> C:\Program Files (x86)
echo %programfiles(x86)% ==> C:\Program Files (x86)
On a 32-bit machine running in 32-bit mode:
echo %programfiles% ==> C:\Program F...
define() vs. const
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As of PHP 5.3 there are two ways to define constants: Either using the const keyword or using the define() function:
const FOO = 'BAR';
define('FOO', 'BAR');
The fundamental difference between those two ways is that const defines cons...