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How do I debug an MPI program?
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@osgx You can do this by saving the commands ("break xxx", "break yyy", "run") to <file> and passing -x <file> to gdb.
– eush77
May 22 '16 at 18:10
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How can one check to see if a remote file exists using PHP?
...ion 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 = $default_image;
}
share
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ASP.NET MVC Ajax Error handling
... exception, is there a specific way I need to throw it so it can be caught by the jquery error handler?
– Shawn Mclean
Jan 16 '11 at 20:16
1
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How to copy a file to a remote server in Python using SCP or SSH?
I have a text file on my local machine that is generated by a daily Python script run in cron.
14 Answers
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Use 'class' or 'typename' for template parameters? [duplicate]
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Note that this inconsistency will be fixed by C++1z.
– Miles Rout
Jun 24 '14 at 6:34
1
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How to configure Ruby on Rails with no database?
It would be convenient to use Ruby on Rails for a small website project that has no current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
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How to resize an image to fit in the browser window?
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Resize Image to Fit the Screen by the Longest Side maintaining its Aspect Ratio
img[src$="#fit"] {
width: 100vw;
height: auto;
max-width: none;
max-height: 100vh;
object-fit: contain;
}
width: 100vw - image width will be 100% of view ...
What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...pointer; it is an array. It is actually inside the object; not pointed to by the object. If you look at the generated asssembly code, you will find accessing a vector element involves one more memory access than an array. (Although in practice it is often irrelevant; e.g. looping through a vector...
How to set current working directory to the directory of the script in bash?
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Note: realpath should be installed in the most popular Linux distribution by default (like Ubuntu), but in some it can be missing, so you have to install it.
Note: If you're using Bash, use ${BASH_SOURCE[0]} in favor of $0, otherwise the path can break when sourcing it (source/.).
Otherwise you ...
jQuery Datepicker onchange event issue
... thing is that I am getting the opposite of that - when I change the input by hand via keyboard, no event is triggered. But when I change the value of the field through the widget, the change event gets fired. Odd.
– Renan
Mar 26 '14 at 19:12
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