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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p

...); cout << x.load() << endl; Now things get much more interesting. First of all, the behavior here is defined. Thread 2 could now print 0 0 (if it runs before Thread 1), 37 17 (if it runs after Thread 1), or 0 17 (if it runs after Thread 1 assigns to x but before it assig...
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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?

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How do I store an array in localStorage? [duplicate]

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Elegant Python function to convert CamelCase to snake_case?

...le(r'(?<!^)(?=[A-Z])') name = pattern.sub('_', name).lower() To handle more advanced cases specially (this is not reversible anymore): def camel_to_snake(name): name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name) return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower() print(camel_to_snake(...
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How to calculate time elapsed in bash script?

...och, and computes the minutes and seconds in UTC.) That's probably not any more elegant, though, just better obfuscated. :-P – ruakh Jan 17 '12 at 23:58 ...
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What is lexical scope?

... found. Arak's example is nice, but may be too short for someone who needs more examples (actually, comparing with other languages..). Take a look. It is important to understand this, as that keyword will lead us to understand lexical scope. howtonode.org/what-is-this – CppLear...
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warning about too many open figures

...res with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory. ...
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Using Pylint with Django

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How can I prevent SQL injection in PHP?

... Please note that the case you asked about is a fairly simple one and that more complex cases may require more complex approaches. In particular: If you want to alter the structure of the SQL based on user input, parameterized queries are not going to help, and the escaping required is not covered...
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Benefits of EBS vs. instance-store (and vice-versa) [closed]

...tore for my instances on Amazon EC2. If anything, it seems that EBS is way more useful (stop, start, persist + better speed) at relatively little difference in cost...? Also, is there any metric as to whether more people are using EBS now that it's available, considering it is still relatively new? ...