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What is the reason for performing a double fork when creating a daemon?

...onfusing. A better idiom might be fork-decouple-fork. Additional links of interest: Unix processes - http://www.win.tue.nl/~aeb/linux/lk/lk-10.html share | improve this answer | ...
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How do you clear a slice in Go?

... Interesting. Is there any other way to remove all elements from the underlying array of the slice while leaving the underlying capacity unchanged? – Chris Weber Jun 6 '13 at 21:07 ...
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Difference between numpy.array shape (R, 1) and (R,)

...r which is just a block of raw elements, and a view which describes how to interpret the data buffer. For example, if we create an array of 12 integers: >>> a = numpy.arange(12) >>> a array([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]) Then a consists of a data buffer, arra...
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First-time database design: am I overengineering? [closed]

... who is approaching a problem like this for the first time. I think the pointers from others on this question thus far pretty much cover it. Good job! 2 & 3) The performance hit you will take will largely be dependent on having and optimizing the right indexes for your particular queries / pro...
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What are the differences between type() and isinstance()?

...e. The concept is obviously a growing one in Python, since PEP 3119, which introduces a generalization of it, was accepted and has been implemented starting with Python 2.6 and 3.0. The PEP makes it clear that, while ABCs can often substitute for duck typing, there is generally no big pressure to d...
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How do I get a background location update every n minutes in my iOS application?

... time) if you just stop and start the location manager? is it some sort of intended functionality? it sounds more like a bug in Apple SDK if it happens like that. Which iOS version you were trying it on? – saurabh Jan 3 '12 at 6:14 ...
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Change / Add syntax highlighting for a language in Sublime 2/3

...e of the defaults like Monokai or Solarized. I should note that I used @int3h's Better JavaScript language definition for this image instead of the one that ships with Sublime. It can be installed via Package Control. UPDATE Of late I've discovered another JavaScript replacement language defini...
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Purpose of memory alignment

...mory that looks like this: struct mystruct { char c; // one byte int i; // four bytes short s; // two bytes } On a 32-bit processor it would most likely be aligned like shown here: The processor can read each of these members in one transaction. Say you had a packed version of ...
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Visual Studio support for new C / C++ standards?

...y question as to why we haven’t implemented C99. It’s really based on interest from our users. Where we’ve received many requests for certain C99 features, we’ve tried to implement them (or analogues). A couple examples are variadic macros, long long, __pragma, __FUNCTION__, and __restric...
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How to find the lowest common ancestor of two nodes in any binary tree?

...) time complexity algorithm is the best you can do if you have no parent pointers.) For a simple recursive version of that algorithm see the code in Kinding's post which runs in O(n) time. But keep in mind that if your nodes have parent pointers, an improved algorithm is possible. For both nodes in...