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Modulo operation with negative numbers
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C99 requires that when a/b is representable:
(a/b) * b + a%b shall equal a
This makes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5...
Cell spacing in UICollectionView
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This is a much better answer. Take a look at the callbacks you can adjust in the UICollectionViewDelegateFlowLayout and you can see how this can be tweaked.
– cynistersix
Dec 17 '14 at 2:52
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How to capture Curl output to a file?
...if an old one exists).
curl -K myconfig.txt >> output.txt
Appends all output you receive to the specified file.
Note: The -K is optional.
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Official reasons for “Software caused connection abort: socket write error”
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@rustyx All three sources cited here state that it is produced by ACK failures. If you have a source for your own claim please cite it.
– Marquis of Lorne
May 27 '15 at 5:52
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Get controller and action name from within controller?
...outeValues["id"];
else if (HttpContext.Current.Request.QueryString.AllKeys.Contains("id"))
return HttpContext.Current.Request.QueryString["id"];
return string.Empty;
}
public static string Controller(this HtmlHelper htmlHelper)
{
var routeValues = Ht...
Color text in terminal applications in UNIX [duplicate]
...[0m", and then printf(KMAG "magenta RESET \n");
– mf_
Jan 7 '14 at 19:41
2
Better yet, puts( KMA...
Get Image Height and Width as integer values?
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@poke: are you really 100% sure?
– Sarfraz
Feb 18 '10 at 5:04
5
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Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
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For the .gitignore file, there is a private version called exclude, located in .git/info/, which is not version handled. Is there a corresponding file for the .gitmodules file, that will let you suppress changes in the submodule only in your instance of the parent repository, w...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
....18.dylib /usr/lib/libmysqlclient.18.dylib
There are many blogs with install_name_tool, which won't work for me because I'm on OSX Lion:
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/bin/indexer
sudo install_name_tool -change libmys...
Including all the jars in a directory within the Java classpath
Is there a way to include all the jar files within a directory in the classpath?
25 Answers
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