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Sorting a tab delimited file
...mode of literal tab entry.
Beware, though, because copying and pasting from another place generally does not preserve tabs.
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When to add what indexes in a table in Rails
...x (:users, [:category_id, :state_id]), what happens? How is this different from adding the index for each key?
Then the index is a combined index of the two columns. That doesn't make any sense, unless you want all entries for one category_id AND one state_id (It should be category_id not categor...
JSON and XML comparison [closed]
... little background:
edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be used, and there are plenty of good parsers which will change the details to make what I'm saying not quite valid.
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best way to preserve numpy arrays on disk
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From my experiences, hdf5 performances very slow reading and writing with chunk storage and compression enabled. For example, I've two 2-D arrays with shape (2500,000 * 2000) with chunk size (10,000 * 2000). A single write op...
What is the “owning side” in an ORM mapping?
...de necessary:
The idea of a owning side of a bidirectional relation comes from the fact that in relational databases there are no bidirectional relations like in the case of objects. In databases we only have unidirectional relations - foreign keys.
What is the reason for the name 'owning side'?
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What does 'super' do in Python?
...t__. while
super(Child, self).__init__()
means to call a bound __init__ from the parent class that follows Child in the instance's Method Resolution Order (MRO).
If the instance is a subclass of Child, there may be a different parent that comes next in the MRO.
Explained simply
When you writ...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...oaches to evaluate bezier curves in the pixel shader instead, these suffer from not being easily antialiased, which is trivial using a distance-map-textured quad, and evaluating curves in the shader is still computationally much more expensive than necessary.
The best trade-off between "fast" and "...
How to get the ActionBar height?
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great help !! but from where you find all such things !!
– vikky
Apr 24 '13 at 9:46
5
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Difference between python3 and python3m executables
...ion to get large pools of memory and then fulfills
smaller memory requests from these pools.
via What's New in Python 2.3
Finally, the two files may be hardlinked on some systems. While the two files have different inode numbers on my Ubuntu 13.04 system (thus are different files), a comp.lang.pyth...
How do I use .toLocaleTimeString() without displaying seconds?
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DO NOT parse the string returned from toLocaleTimeString. I had been for a few years without any problem. But then today I noticed it was not working. Turns out there are special unicode characters (e.g. 0x200E, a left-to-right mark) which cannot be proce...