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Most efficient way to reverse a numpy array
Believe it or not, after profiling my current code, the repetitive operation of numpy array reversion ate a giant chunk of the running time. What I have right now is the common view-based method:
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MySQL - Get row number on select
Can I run a select statement and get the row number if the items are sorted?
5 Answers
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Android Camera Preview Stretched
I've been working on making my custom camera activity on Android, but when rotating the camera, the aspect ratio of the surface view gets messed up.
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?
I've seen these words a lot around Subversion (and I guess general repository) discussions.
I have been using SVN for my projects for the last few years, but I've never grasped the complete concept of these directories.
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Unlink of file Failed. Should I try again?
Something wrong is going on with one of the files in my local git repository. When I'm trying to change the branch it says:
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Becoming better at Vim [closed]
I've been using Vim for quite a long time, but I'm at a level where I use insert mode most of the time, and I still use the arrow keys to move around(!).
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What is the difference between char * const and const char *?
...* const
which is a constant pointer to a constant char (so nothing about it can be changed).
Note:
The following two forms are equivalent:
const char *
and
char const *
The exact reason for this is described in the C++ standard, but it's important to note and avoid the confusion. I know se...
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
...he same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they have to .
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How to make a window always stay on top in .Net?
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edited Jul 27 at 3:21
Peter Duniho
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Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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