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Is there a way to ignore header lines in a UNIX sort?
...file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility.
12 Answers
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What is an “unwrapped value” in Swift?
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cantBeNil = nil // can't do this
To get the value from your variable if it is optional, you have to unwrap it. This just means putting an exclamation point at the end.
var canBeNil : Int? = 4
println(canBeNil!)
Your code should look like this:
let optionalSquare: Square? = Square(sideLength: ...
How do you set, clear, and toggle a single bit?
How do you set, clear, and toggle a bit?
30 Answers
30
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Android Reading from an Input stream efficiently
I am making an HTTP get request to a website for an android application I am making.
12 Answers
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Why doesn't Java Map extend Collection?
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mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-value pairs", but this
provides a very lim...
Visual Studio refuses to forget breakpoints?
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edited May 12 '11 at 20:43
answered May 12 '11 at 20:18
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
Can one develop an entire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
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Converting a string to JSON object
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edited Mar 8 '14 at 16:35
Durandal
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What's the best way to refactor a method that has too many (6+) parameters?
Occasionally I come across methods with an uncomfortable number of parameters. More often than not, they seem to be constructors. It seems like there ought to be a better way, but I can't see what it is.
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How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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