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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...
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How do I read configuration settings from Symfony2 config.yml?

...gmail.com You should find the call you are making within your controller now works. share | improve this answer | follow | ...
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How to stop flask application without using ctrl-c

...t=app.run) server.start() # ... server.terminate() server.join() Let me know if this helps. share | improve this answer | follow | ...
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How can I join elements of an array in Bash?

...when the delimiter starts with a hyphen (and maybe others I can't think of now). You can of course fix these (replace backslashes by double backslashes and use printf -- "$d%s"), but at some point you'll feel that you're fighting against the shell instead of working with it. That's why, in my answer...
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Find the nth occurrence of substring in a string

... +1 for the one-liner, this should help me right now. I had been thinking of doing the equivalent of .rfind('XXX'), but that would fall apart if 'XXX' appears later in the input anyway. – Nikhil Chelliah Jul 7 '10 at 4:17 ...
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What is a NullPointerException, and how do I fix it?

...n the most trivial cases, the compiler will catch the problem and let you know that "num may not have been initialized," but sometimes you may write code that does not directly create the object. For instance, you may have a method as follows: public void doSomething(SomeObject obj) { //do someth...
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How to obtain a Thread id in Python?

... This functionality is now supported by Python 3.8+ :) https://github.com/python/cpython/commit/4959c33d2555b89b494c678d99be81a65ee864b0 https://github.com/python/cpython/pull/11993 ...
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later

...ferent versions of iOS. If your team is using both Xcode 5 (which doesn't know about any iOS 8 selectors) and Xcode 6, then you will need to use conditional compiling as follows: #if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000 if ([application respondsToSelector:@selector(registerUserNotificationSe...
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Max or Default?

... Although DefaultIfEmpty is now implemented in LINQ to SQL, this answer remains better IMO, as using DefaultIfEmpty results in a SQL statement 'SELECT MyCounter' that returns a row for every value being summed, whereas this answer results in MAX(MyCount...
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Getting the object's property name

... @Bakudan know what you mean, but a better way to put it is that you should use hasOwnProperty if you don't want inherited properties. That way you're not blindly following some rule. It may be that in some cases you actually do want to...