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What is a word boundary in regex?
... \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matching space-separated numbers.
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How to convert a PNG image to a SVG? [closed]
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this Potrace is very accurate when you know how to use it: but its not multicolor 1.) convert your file to BMP 2.) (for the accurate part) convert bmp to a high resolution(strech it) 3.) color the shapes you want to trace in black 4.) convert 5.) change width ...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
...g to merge, and the 3rd tab, open by default, shows the 3-way merge view.
Now, the reason the feature is hidden is that it's not polished enough yet. It's very useful as it is now, but Kai Willadsen, the meld author, pointed to few wrinkles that need ironing out. For example there's no GUI to start...
Asynchronous vs Multithreading - Is there a difference?
...r, network interface, etc.) does the I/O work. The hardware lets the CPU know when it's finished by interrupting the CPU, and the OS then delivers the event to your application.
Frequently higher-level abstractions and APIs don't expose the underlying asynchronous API's available from the OS and t...
Eclipse cannot load SWT libraries
...ited Jun 22 '12 at 1:34
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answered Apr 20 '12 at 18:21
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How to get first character of a string in SQL?
I have a SQL column with a length of 6. Now want to take only the first char of that column. Is there any string function in SQL to do this?
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Navigation Drawer (Google+ vs. YouTube)
Does anyone know how to implement a sliding menu like some of the top apps of today?
5 Answers
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Remove characters except digits from string using Python?
... up by 7-8 times is hardly peanuts, so the translate method is well worth knowing and using. The other popular non-RE approach...:
$ python -mtimeit -s'x="aaa12333bb445bb54b5b52"' '"".join(i for i in x if i.isdigit())'
100000 loops, best of 3: 11.5 usec per loop
is 50% slower than RE, so the .tra...
How do I create a unique constraint that also allows nulls?
...won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
– dotNET
Feb 2 '15 at 22:01
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Can I safely delete contents of Xcode Derived data folder?
...oject's data individually. So I stand by my previous comment, though I've now implemented William's alias in my .bashrc.
– gone
Jun 19 '16 at 9:42
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