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Use cases for the 'setdefault' dict method

The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education: ...
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How to make a Python script run like a service or daemon in Linux

I have written a Python script that checks a certain e-mail address and passes new e-mails to an external program. How can I get this script to execute 24/7, such as turning it into daemon or service in Linux. Would I also need a loop that never ends in the program, or can it be done by just havin...
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Why do people say there is modulo bias when using a random number generator?

...ve seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++. ...
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static constructors in C++? I need to initialize private static objects

I want to have a class with a private static data member (a vector that contains all the characters a-z). In java or C#, I can just make a "static constructor" that will run before I make any instances of the class, and sets up the static data members of the class. It only gets run once (as the vari...
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Use of *args and **kwargs [duplicate]

So I have difficulty with the concept of *args and **kwargs . 11 Answers 11 ...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

I have seen a lot of people in the C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide chara...
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javascript: Clear all timeouts?

...le (id--) { window.clearTimeout(id); // will do nothing if no timeout with id is present } share | improve this answer | follow | ...
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Is it true that one should not use NSLog() on production code?

I was told this a few times in this very site, but I wanted to make sure this is really the case. 12 Answers ...
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What is the difference between sigaction and signal?

... signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose? 9 Ans...
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How do I analyze a program's core dump file with GDB when it has command-line parameters?

... You can use the core with GDB in many ways, but passing parameters which is to be passed to the executable to GDB is not the way to use the core file. This could also be the reason you got that error. You can use the core file in the following way...