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Using {} in a case statement. Why?
... case 42:
int x = GetSomeValue();
return a * x;
case 1337:
int x = GetSomeOtherValue(); //ERROR
return a * x;
}
You will get a compiler error because x is already defined in the scope.
Separating these to their own sub-scope will eliminate the need to declare ...
How to remove duplicate values from an array in PHP
...
Use array_unique().
Example:
$array = array(1, 2, 2, 3);
$array = array_unique($array); // Array is now (1, 2, 3)
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How to get first element in a list of tuples?
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253
>>> a = [(1, u'abc'), (2, u'def')]
>>> [i[0] for i in a]
[1, 2]
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Coredata Error “data: ”
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answered Sep 5 '11 at 6:03
jrturtonjrturton
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Apply CSS styles to an element depending on its child elements
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Nisse Engström
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answered Feb 24 '10 at 14:13
KP.KP.
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Compare two Byte Arrays? (Java)
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edited Mar 26 '11 at 3:18
Stephen C
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Define static method in source-file with declaration in header-file in C++
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231
Remove static keyword in method definition. Keep it just in your class definition.
static keyw...
Does application.yml support environment variables?
...Dave Syer
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Is there an expression for an infinite generator?
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134
for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int(...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
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