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How do I draw a shadow under a UIView?
...e(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you rearrange your code like this?
- (void)drawRect:(CGRect)rect {
CGContextRef currentContext = UIGraphicsGetCurrentContext();
CG...
Flatten an Array of Arrays in Swift
Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co?
14 Answers
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...
I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enum...
Should I use Java's String.format() if performance is important?
....println("Time after for loop " + time);
}
}
Running the above for different N shows that both behave linearly, but String.format is 5-30 times slower.
The reason is that in the current implementation String.format first parses the input with regular expressions and then fills in the parame...
Excel VBA - exit for loop
...p when a condition inside is met. How could I exit my for loop when the if condition has been met? I think some kind of exit at the end of my if statement, but don't know how that would work.
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Passing variables through handlebars partial
...se a certain piece of html potentially on the same page, but you're doomed if the partial has IDs... the same ID will show up more than once and becomes invalid. It'd be extremely useful if you can pass in arguments to partials when invoking it, to further customize its content.
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When using a Settings.settings file in .NET, where is the config actually stored?
...membered).
Update: Strange but there are too many incorrect answers here. If you are looking for you user scoped settings file (user.config) it will be located in the following folder (for Windows XP):
C:\Documents and
Settings\(username)\Local
Settings\Application
Data\(company-name-if-e...
Array.Copy vs Buffer.BlockCopy
...time when you are copying primitive type arrays, or should you only use it if you're coding for performance? Is there anything inherently dangerous about using Buffer.BlockCopy over Array.Copy ?
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How to randomize (shuffle) a JavaScript array?
...nswer skips element 0, the condition should be i-- not --i. Also, the test if (i==0)... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] o...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad?
17 Answers
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