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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...
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...
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
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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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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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How to simulate target=“_blank” in JavaScript
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IE11: "Runtime Javascript error: not a valid action for the object"
– T-moty
Apr 1 '16 at 13:30
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Can I use GDB to debug a running process?
...ng a recent version of Fedora, 'gdb -a' prints an "option -a is ambiguous" error.
– Justin Ethier
Feb 22 '10 at 14:16
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Chrome Development Tool: [VM] file from javascript
...or debugging though. If I use a script tag with src=/test.js then cause an error that traces back to test.js, the traceback contains the correct filename, but thereafter, stacktraces contain the VM magic. This makes it impossible to get the source code [from same origin] for the files in the stacktr...
Is there a Mutex in Java?
...maphore and with synchronized, you'll see what is better readable and less error-prone.
– Vlad
Mar 13 '11 at 19:11
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