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How do I debug an MPI program?
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http://valgrind.org/ nuf said
More specific link: Debugging MPI Parallel Programs with Valgrind
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Git blame — prior commits?
...inks to get a popup with commit details. Not my credits... found it here:
http://zsoltfabok.com/blog/2012/02/git-blame-line-history/
git gui is a graphical Tcl/Tc interface to git. Without any other params it starts a pretty simple but useful graphical app for committing files, hunks or even singl...
How to dump a table to console?
... Dah, I should have looked at the home page prior to posting that last comment! Installation is not as quick/painless as I'd hoped but not too bad.
– Cliff
Feb 6 '12 at 22:55
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jQuery: Get selected element tag name
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As of jQuery 1.6 you should now call prop:
$target.prop("tagName")
See http://api.jquery.com/prop/
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
...n(e) {
hideAllPopovers();
isVisible = false;
});
});
http://jsfiddle.net/AFffL/539/
The only caveat is that you won't be able to open 2 popovers at the same time. But I think that would be confusing for the user, anyway :-)
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How can I remove all objects but one from the workspace in R?
...ame of the object you want to keep
rm(list=(ls()[ls()!="v"]))
hat-tip: http://r.789695.n4.nabble.com/Removing-objects-and-clearing-memory-tp3445763p3445865.html
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Using %f with strftime() in Python to get microseconds
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Difference between return and exit in Bash functions
...n the shell, different from other prog langs.
For more info on functions:
http://www.linuxjournal.com/content/return-values-bash-functions
NOTE: The isdirectory function is for instructional purposes only. This should not be how you perform such an option in a real script.
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File to byte[] in Java
...b = new byte[(int)f.length()];
f.readFully(b);
Documentation for Java 8: http://docs.oracle.com/javase/8/docs/api/java/io/RandomAccessFile.html
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Maven parent pom vs modules pom
... pom.xml
`-- trunks
With the following externals definition:
parent-pom http://host/svn/parent-pom/trunk
projectA http://host/svn/projectA/trunk
A checkout of trunks would then result in the following local structure (pattern #2):
root/
parent-pom/
pom.xml
projectA/
Optionally, you c...