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What are the applications of binary trees?
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434
To squabble about the performance of binary-trees is meaningless - they are not a data structur...
iOS 5 Best Practice (Release/retain?)
... basis. See pixelfreak's answer. So, my advice still stands, but now the 3rd-party libraries shouldn't need to be updated to work with ARC.
Here's what Apple says about opting out of ARC for specific files:
When you migrate a project to use ARC, the -fobjc-arc compiler flag is
set as the de...
Version of Apache installed on a Debian machine
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daltonfury42
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answered Nov 14 '08 at 9:23
Todd GamblinTodd Gam...
CSS table layout: why does table-row not accept a margin?
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83
See the CSS 2.1 standard, section 17.5.3. When you use display:table-row, the height of the DIV ...
How to simulate a click with JavaScript?
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431
Here's what I cooked up. It's pretty simple, but it works:
function eventFire(el, etype){
if...
Finding all possible permutations of a given string in python
...ations('stacks')]
>>> len(perms)
720
>>> len(set(perms))
360
Thanks to @pst for pointing out that this is not what we'd traditionally think of as a type cast, but more of a call to the set() constructor.
...
Why is my program slow when looping over exactly 8192 elements?
...transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
Matrix multiplication: Small difference in matrix size, large difference in timings
But that's only because there's one other problem with the code.
Starting from the original loop:
for(i=1;i<SIZE-1;i++)
fo...
What does !! mean in ruby?
...f data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you may not want to return your entire user object in the logged_in? method. Using !! converts these objects to a simple true/false.
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How can I do an UPDATE statement with JOIN in SQL Server?
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edited Mar 10 at 3:56
Shelvacu
3,4561818 silver badges3939 bronze badges
answered Aug 18 '09 at...