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Reducing MongoDB database file size
I've got a MongoDB database that was once large (>3GB). Since then, documents have been deleted and I was expecting the size of the database files to decrease accordingly.
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Is it possible to get all arguments of a function as single object inside that function?
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348
Use arguments. You can access it like an array. Use arguments.length for the number of argumen...
Quickly reading very large tables as dataframes
I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead o...
In Python, how do I use urllib to see if a website is 404 or 200?
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edited Nov 13 '09 at 0:55
answered Nov 13 '09 at 0:45
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pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
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235
Use the valgrind option --track-origins=yes to have it track the origin of uninitialized values...
How do you input commandline argument in IntelliJ IDEA?
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Windows, Linux, some Macs:
ALT+SHIFT+F10, Right, E, Enter, Tab, enter your command line parame...
Return first N key:value pairs from dict
...t(islice(iterable, n))
See it working online: ideone
Update for Python 3.6
n_items = take(n, d.items())
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Migrating from JSF 1.2 to JSF 2.0
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xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
Note: when you're using JSF 2.2 or newer, use the htt...
What does addChildViewController actually do?
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