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?: operator (the 'Elvis operator') in PHP
...lse ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
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Generate random string/characters in JavaScript
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How to access array elements in a Django template?
... access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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How to shorten my conditional statements
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Best way to find the intersection of multiple sets?
... use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
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Note that set.intersection is not a static method, but this uses the functional notation to apply ...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
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edited Sep 28 '12 at 11:03
answered Feb 18 '11 at 21:43
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setTimeout / clearTimeout problems
I try to make a page to go to the startpage after eg. 10sec of inactivity (user not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript.
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The @Query annotation allows to execute native queries by setting the nativeQuery flag to t...
Convert RGBA PNG to RGB with PIL
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Here's a version that's much simpler - not sure how performant it is. Heavily based on some dj...