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How can I filter a Django query with a list of values?
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will it raise error if we pass empty list or return no record ?
– Rakmo
Apr 12 '18 at 18:10
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How to create a zip archive of a directory in Python?
... for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
zipf = zipfile.ZipFile('Python.zip', 'w', zipfile.ZIP_DEFLATED)
zipdir('tmp/', zipf)
zipf.close()
Adapted from: http://www.devshed.com/c/a/Python/Python-UnZipped/
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Difference between char* and const char*?
What's the difference between
8 Answers
8
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Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
..._sort (void *b, size_t n, size_t s, int (*c)(const void *, const void*)) { if (rand () % 2) qsort (b, n, s, c); }.
– Joe D
Aug 29 '10 at 18:50
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runOnUiThread vs Looper.getMainLooper().post in Android
Can anyone tell me if there's any difference between using runOnUiThread() versus Looper.getMainLooper().post() to execute a task on the UI thread in Android??
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Using the rJava package on Win7 64 bit with R
...A_HOME, so consider that. I have not revisited this issue recently to know if all the steps below are still necessary.)
Here is some quick advice on how to get up and running with R + rJava on Windows 7 64bit. There are several possibilities, but most have fatal flaws. Here is what worked for me:
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Multiple Parameters for jQuery selector?
... using the optional second
parameter to the $() function. For
example, if within a callback function
we wish to do a search for an element,
we can restrict that search:
$('div.foo').click(function() {
$('span', this).addClass('bar');
// it will find span elements that are
// descenda...
HMAC-SHA1 in bash
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OpenSSL implementations are very slow. If you need to do it occasionally that's fine, but if you're trying to calculate massive amounts of hashes, you want to investigate different avenues.
– Marcin
Sep 2 '11 at 16:08
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Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
6 Answers
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How can I tell gcc not to inline a function?
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You want the gcc-specific noinline attribute.
This function attribute prevents a
function from being considered for
inlining. If the function does not
have side-effects, there are
optimizations other than inlining that
causes functi...