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What is the purpose of “!” and “?” at the end of method names?
...ers.
Methods ending in ? return a boolean, which makes the code flow even more intuitively like a sentence — if number.zero? reads like "if the number is zero", but if number.zero just looks weird.
In your example, name.reverse evaluates to a reversed string, but only after the name.reverse! li...
How to search for file names in Visual Studio?
...s as wells (methods etc) which is very annoying in a large project. Furthermore, the same thing could be achieved by Ctrl+; which is shortcut for search in solution explorer.
– nawfal
Nov 18 '16 at 14:33
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View array in Visual Studio debugger? [duplicate]
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python capitalize first letter only
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
...g to your UIColor with the objc_precise_lifetime attribute.
You can read more about this exact case on this article about UIColor and short ARC lifetimes or get more details about the objc_precise_lifetime attribute.
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Best PHP IDE for Mac? (Preferably free!) [closed]
... slew of other excellent features. Downside: Not a supported product any more. Aptana Studio 2.0+ uses PDT which is a watered down, under-developed (at present) php plug in.
Zend Studio - Almost identical to Aptana, except no word wrap and you can't change alot of the php configuration on the MA...
SQL - Rounding off to 2 decimal places
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Is it correct to use JavaScript Array.sort() method for shuffling?
...irst claim A < B and B < C, but then C < A).
It also ends up as a more complex (in terms of execution time) shuffle than you really need.
I prefer the shuffle algorithm which effectively partitions the collection into "shuffled" (at the start of the collection, initially empty) and "unshuff...
How to find whether or not a variable is empty in Bash
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