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How to split a sequence into two pieces by predicate?
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One can shorten the function inside partition to _ % 2 == 0.
– k0pernikus
Aug 21 '19 at 14:11
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Select 50 items from list at random to write to file
...an just take the first 50.
Otherwise, use
import random
random.sample(the_list, 50)
random.sample help text:
sample(self, population, k) method of random.Random instance
Chooses k unique random elements from a population sequence.
Returns a new list containing elements from the populat...
git: abort commit in the middle of typing message
... ctrl+k all lines then save and exit will abort
– Juh_
Jun 18 at 17:34
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How to get the root dir of the Symfony2 application?
...container just to get a variable? It's far better to pass just %kernel.root_dir%
– Massimiliano Arione
Sep 10 '13 at 9:06
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Doctrine and composite unique keys
...straint;
/**
* Common\Model\Entity\VideoSettings
*
* @Table(name="video_settings",
* uniqueConstraints={
* @UniqueConstraint(name="video_unique",
* columns={"video_dimension", "video_bitrate"})
* }
* )
* @Entity
*/
See @UniqueConstraint
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Generate a random double in a range
...y correct, but beware of its limits. If you do double rangeMax= Double.MAX_VALUE; and double rangeMin= -rangeMax; you will always get an infinite value in return. You might want to check for Double.valueOf(rangeMax-rangeMin).isInfinite().
– lre
Apr 7 '14 at 1...
Suggestions for debugging print stylesheets?
...argins, but this is just totally different.
– duality_
Oct 26 '13 at 15:48
1
I must say that this...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
...t; is probably similar. and less complicated
– alpha_989
Feb 19 '18 at 2:33
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Which letter of the English alphabet takes up most pixels?
...same and won. By the way very nice answer.
– Talespin_Kit
Nov 15 '18 at 7:13
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How to check whether an array is empty using PHP?
... if the variable might not have been set AND you don't wont to trigger an E_NOTICE; IMO this is generally a bad idea.
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