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Swift Beta performance: sorting arrays
...
tl;dr Swift 1.0 is now as fast as C by this benchmark using the default release optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start < 2){
return
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Java: when to use static methods
...'s inconceivable to call the method before any Car has been constructed.
(By the way, the converse isn't always true: you might sometimes have a method which involves two Car objects, and still want it to be static. E.g.:
Car theMoreEfficientOf( Car c1, Car c2 )
Although this could be converte...
ASP.NET Bundles how to disable minification
... the Script/StyleBundles out for plain Bundles which have no Transform set by default, this would turn off minification but still bundle. Note you would still have to have EnableOptimizations set to true for bundling to happen.
– Hao Kung
Sep 12 '12 at 4:40
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Difference between python3 and python3m executables
...his is what Pymalloc is:
Pymalloc, a specialized object allocator written by Vladimir
Marangozov, was a feature added to Python 2.1. Pymalloc is intended to
be faster than the system malloc() and to have less memory overhead
for allocation patterns typical of Python programs. The allocator uses
C's...
How to delete a folder with files using Java
... currentFile.delete();
}
Then you should be able to delete the folder by using index.delete()
Untested!
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Does every Javascript function have to return a value?
...to be notified that some function has finished its business, which is done by the function returning something. This is also why, instead of "finished", a function is said to "have returned".
A function that lacks an explicit return statement will return undefined, like a C(++) function that has no ...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...file .git/info/excludes, when it should be .git/info/exclude, as confirmed by the documentation it links to.
– mwfearnley
Nov 16 '15 at 12:31
13
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Listen for key press in .NET console app
...nstead of readLine() you lose the awesome feature of having history recall by pressing "up" key.
– v.oddou
Jul 1 '15 at 8:17
3
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Math.random() versus Random.nextInt(int)
...hich is uniformly distributed in the range 0 to n-1.
Prior to scaling by 6, the output of Math.random() is one of 2^53 possible values drawn from a uniform distribution.
Scaling by 6 doesn't alter the number of possible values, and casting to an int then forces these values into one of si...
How can I find the first occurrence of a sub-string in a python string?
...x, but searches right to left
Source: Python: Visual QuickStart Guide, Toby Donaldson
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