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Difference between staticmethod and classmethod

... class rather than from a class instance. A.foo(1) would have raised a TypeError, but A.class_foo(1) works just fine: A.class_foo(1) # executing class_foo(<class '__main__.A'>,1) One use people have found for class methods is to create inheritable alternative constructors. With staticmet...
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[ :Unexpected operator in shell programming [duplicate]

... people failing to realize that [ is a synonym for test and the continuing errors made through omitted whitespace around the brackets hardly compensate for the single character saved. ("if [ $x = 5 ]" vs "if test $x = 5"; 13 chars vs 14). – William Pursell Aug...
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Adding an identity to an existing column

...that was failing. I found a solution on stackoverflow by searching for the error text. It seems to be some strict syntax rule with brackets, although my table has no special characters in its name whatsoever. – Jenny O'Reilly Oct 3 '13 at 16:21 ...
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How to determine if a number is odd in JavaScript

...'t know JavaScript. You can't cast to boolean with (bool) (that'll give an error) and in any case you don't need to: return value%2 == 0; will do the job since the == operator returns a boolean. – nnnnnn Aug 13 '12 at 1:55 ...
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Git mergetool generates unwanted .orig files

...range io-slave, klauncher «» unknown protocol, and couldn't create .orig errors. thank you – Geremia Jun 22 '16 at 20:10 ...
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UICollectionView auto scroll to cell at IndexPath

... Had some errors. But then I've put all the mentioned code inside (void)viewDidLayoutSubviews{} and now it's working fine. Thanx Bogdan. – AlexanderZ Apr 13 '13 at 18:39 ...
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Force update of an Android app when a new version is available

...ion)){ if(!isFinishing()){ //This would help to prevent Error : BinderProxy@45d459c0 is not valid; is your activity running? error showUpdateDialog(); } } } else background.start(); ...
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getting the screen density programmatically in android?

...iately. Removing braces is a question of style only and IMHO makes it more error prone when maintaining the code. – qwertzguy Jul 1 '15 at 11:04  |  ...
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Is APC compatible with PHP 5.4 or PHP 5.5?

...nd apc will not recognize certain classes when cached. I think this is the error Simon is talking about. I heard there were some fixes in the trunk, but I also tried the latest trunk sources, but the same errors keep coming back. I think php without a opcode cacher (there is none available right no...
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How to simulate target=“_blank” in JavaScript

... IE11: "Runtime Javascript error: not a valid action for the object" – T-moty Apr 1 '16 at 13:30 8 ...