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What is the best regular expression to check if a string is a valid URL?
...f][0-9a-f]|[-a-z0-9\._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}...
Why does sys.exit() not exit when called inside a thread in Python?
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edited Dec 10 '19 at 22:37
Richard
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Should I URL-encode POST data?
... DougWDougW
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C++0x has no semaphores? How to synchronize threads?
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How to print the full traceback without halting the program?
I'm writing a program that parses 10 websites, locates data files, saves the files, and then parses them to make data that can be readily used in the NumPy library. There are tons of errors this file encounters through bad links, poorly formed XML, missing entries, and other things I've yet to cat...
How to access session variables from any class in ASP.NET?
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answered Mar 7 '09 at 10:10
M4NM4N
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Updating MySQL primary key
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answered Feb 26 '10 at 14:20
MartinMartin
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How do I add multiple arguments to my custom template filter in a django template?
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It is possible and fairly simple.
Django only allows one argument to your filter, but there's...
private[this] vs private
...es of the class.
– Ram Rajamony
Apr 10 '15 at 22:46
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Is there a performance difference between a for loop and a for-each loop?
...ion in it repeated a few million times - this was using Java 5 with jre1.6u10 on Windows in case anyone is interested.
While it at least seems to be so that the third one is the fastest, you really should ask yourself if you want to take the risk of implementing this peephole optimization everywher...