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How do I debug an MPI program?
...ugging. Item #6 in the FAQ describes how to attach GDB to MPI processes. Read the whole thing, there are some great tips.
If you find that you have far too many processes to keep track of, though, check out Stack Trace Analysis Tool (STAT). We use this at Livermore to collect stack traces from p...
How can one check to see if a remote file exists using PHP?
...s solution is good but this is faster for large files (as it only tries to read 1 byte):
if (false === file_get_contents("http://example.com/path/to/image",0,null,0,1)) {
$image = $default_image;
}
share
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What is the GAC in .NET?
...naged code.
The things MSDN contains may surprise you... you can usually read it like an article. The straightforward and most important bits at the top, the intricate details deeper down. It certainly explains it better than I could.
Note that Visual Studio displays all the DLLs in the GAC in th...
Git push existing repo to a new and different remote repo server?
...g on How to properly mirror a git repository.
I strongly encourage you to read the blog for some very important details, but the short version is this:
In a new directory run these commands:
git clone --mirror git@example.com/upstream-repository.git
cd upstream-repository.git
git push --mirror gi...
How can I clear or empty a StringBuilder? [duplicate]
...
Don't pick words. just read the answer to see my point.
– Ahmed Hegazy
Apr 7 '16 at 12:06
1
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Team city unmet requirement: MSBuildTools12.0_x86_Path exists
....4 on a new Windows Server 2012 R2 box
Followed the instructions in this thread and the error still appeared despite numerous restarts and reinstalls.
I noticed that the agent info such as OS and CPU was not appearing on the agent details page. This indicated that the problem was not with the .NET a...
Where can I find the IIS logs?
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@Andy did you read the 2nd half of the answer and check the configuration of the web site in IIS?
– Mick
Mar 27 '18 at 23:22
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Passing an integer by reference in Python
...class, and for the attribute—if you can't think of anything, go back and read the sentence again a few times, and then use the list.
More generally, if you're trying to port some Java idiom directly to Python, you're doing it wrong. Even when there is something directly corresponding (as with sta...
How to remove globally a package from Composer?
... or update as if you were running them from the COMPOSER_HOME directory.
Read the related documentation here: http://getcomposer.org/doc/03-cli.md#global
COMPOSER_HOME depends on your system (on Linux it's ~/.composer), see http://getcomposer.org/doc/03-cli.md#composer-home for more details.
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Use 'class' or 'typename' for template parameters? [duplicate]
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And don't forget to read into the comments for whether there's a good reason to use "class" rather than "typename".
– Michael Burr
Oct 17 '08 at 22:06
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