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What does the comma operator , do?
...k if read_string doesn't have a return value (or doesn't have a meaningful one). (Edit: Sorry, didn't notice how old this post was.)
– jamesdlin
Mar 25 '10 at 8:05
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What happens if I define a 0-size array in C/C++?
...bsolutely nothing of the sort. It only says that it must generate at least one diagnostic message when given source code containing an array with a zero-length constant expression for its size. The only circumstance under which the standard forbids a compiler to build a binary is if it encounters an...
Find the files existing in one directory but not in the other [closed]
I'm trying to find the files existing in one directory but not in the other, I tried to use this command:
14 Answers
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
.... Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Split string in Lua?
...olution. Use the gmatch function to capture strings which contain at least one character of anything other than the desired separator. The separator is **any* whitespace (%s in Lua) by default:
function mysplit (inputstr, sep)
if sep == nil then
sep = "%s"
end
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How do I use NSTimer?
How do I use an NSTimer ? Can anyone give me step by step instructions?
6 Answers
6
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Is R's apply family more than syntactic sugar?
...n't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But in general, the rule is that you should use an apply function for c...
the item you requested is not available for purchase
...per console and finally activate the item from the console!!! (this is the one that got me after fully following google's tutorial)
Make sure to set VersionCode and VersionName in the manifest to be the same as the version in the developer console (Alpha, Beta or Production. Drafts does not work any...
Awaiting multiple Tasks with different results
...hy @Servy has suggested to remove it. Without the WhenAll they will be run one by one
– Sergey G.
Mar 13 '15 at 12:07
94
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Validating parameters to a Bash script
I came up with a basic one to help automate the process of removing a number of folders as they become unneeded.
10 Answers...