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GCC -fPIC option
...when we want to link shared object to the exe, then we are not sure of the start address assigned to shared object as it will depend upon the order the shared objects were linked.That being said, asm instruction inside .so will always have different virtual address depending upon the process its li...
What modern C++ libraries should be in my toolbox? [closed]
... been out of the C++ game for about 10 years and I want to get back in and start on a commercial app. What libraries are in use these days?
...
FFmpeg: How to split video efficiently?
....mp4 -cat file2.mp4 output.mp4
Or if you need split by time, use -splitx StartTime:EndTime:
MP4Box -add input.mp4 -splitx 0:15 -new split.mp4
share
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I need to securely store a username and password in Python, what are my options?
...g the del statement.
The administrator still has to enter the password to start ssh-agent, at boot-time or whatever, but this is a reasonable compromise that avoids having a plain-text password stored anywhere on disk.
shar...
What is the fastest way to send 100,000 HTTP requests in Python?
...range(concurrent):
t = Thread(target=doWork)
t.daemon = True
t.start()
try:
for url in open('urllist.txt'):
q.put(url.strip())
q.join()
except KeyboardInterrupt:
sys.exit(1)
This one is slighty faster than the twisted solution and uses less CPU.
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How do you determine the size of a file in C?
...hould be using. We can redefine that to be 128 bits in a few years when we start having 16 exabyte files hanging around.
If you're on windows, you should use GetFileSizeEx - it actually uses a signed 64 bit integer, so they'll start hitting problems with 8 exabyte files. Foolish Microsoft! :-)
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Multiprocessing: How to use Pool.map on a function defined in a class?
...ocess(target=spawn(f), args=(c, x)) for x, (p, c) in izip(X, pipe)]
[p.start() for p in proc]
[p.join() for p in proc]
return [p.recv() for (p, c) in pipe]
if __name__ == '__main__':
print parmap(lambda x: x**x, range(1, 5))
...
Runtime vs. Compile time
... well formed---a meaningful program in whatever language.
It's possible to start running the program. (The program might fail immediately, but at least we can try.)
What are the inputs and outputs?
Input was the program being compiled, plus any header files, interfaces, libraries, or other voodo...
No newline at end of file
... Thinking about it differently, let's explore the inverse. If there was a "start-of-line" marker instead of "end-of-line", would you omit the "start-of-line" character on the first line?
– Joe
Apr 24 '14 at 3:50
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Chained method calls indentation style in Python [duplicate]
... this style becomes more obvious as method names get longer and as methods start taking arguments:
return some_collection.get_objects(locator=l5) \
.get_distinct(case_insensitive=True) \
.filter(predicate=query(q5)) \
.values()
PEP...