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How to create a checkbox with a clickable label?
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With PHP, wont that make $_POST['foo'] always have one of the two values maximum at one time? Even if both checked. What's a checkbox group?
– jeromej
Jun 9 '14 at 9:27
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How does the “final” keyword in Java work? (I can still modify an object.)
...ed than checking whether a variable is final. Mutable objects can be stack-allocated as well. final fields may help the escape analysis, though, but that's a quite indirect route. Also note that effectively final variables have identical treatement as those marked final in the source code.
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How to remove globally a package from Composer?
I ran this command to install globally PHPUnit :
2 Answers
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Generating CSV file for Excel, how to have a newline inside a value
...y ... there are packages/libraries available for doing that in Python/Perl/PHP/.NET/etc
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iOS Detect 3G or WiFi
...If this were just in a method, reachability would go out of scope and be dealloced at the end of the method and stopNotifier would be called implicitly.
– James Webster
Nov 9 '11 at 21:35
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Generate random numbers uniformly over an entire range
...a thread_local: the generator is quite plump (> 2 KB) and is better not allocated on the stack
seed mt19937 with more than one integer: the Mersenne Twister has a big state and can take benefit of more entropy during initialization
Some not-so-good choices
The C++11 library
While being the m...
How do you clear a stringstream variable?
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It's not good for all situation. This would re-allocate the buffer every time while mm.str("") would not.
– Shital Shah
Dec 24 '16 at 1:29
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iOS 7 - Failing to instantiate default view controller
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Using programmatically :
Objective-C :
self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
UIViewController *viewController = [storyboard instantiateViewContr...
Match whitespace but not newlines
...herefore breaks the cardinal rule that all other whitespace obeys: you can tokenize with it. They're more like modifiers. However, ZERO WIDTH SPACE, WORD JOINER, and ZERO WIDTH NON-BREAKING SPACE (if it used as other than a byte-order mark) fit the whitespace rule in my book. Therefore, I include th...
Why do people use __(double underscore) so much in C++
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The foregoing comments are correct. __Symbol__ is generally a magic token provided by your helpful compiler (or preprocessor) vendor. Perhaps the most widely-used of these are __FILE__ and __LINE__, which are expanded by the C preprocessor to indicate the current filename and line number. T...