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How can you profile a Python script?

... Python includes a profiler called cProfile. It not only gives the total running time, but also times each function separately, and tells you how many times each function was called, making it easy to determine where you should make optimizations. You c...
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What is the purpose of using -pedantic in GCC/G++ compiler?

... GCC compilers always try to compile your program if this is at all possible. However, in some cases, the C and C++ standards specify that certain extensions are forbidden. Conforming compilers such as gcc or g++ must issue a diagnostic when these extensions are encountered. For example, ...
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What is the use for Task.FromResult in C#

In C# and TPL ( Task Parallel Library ), the Task class represents an ongoing work that produces a value of type T. 6 Ans...
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PHP: If internet explorer 6, 7, 8 , or 9

...mp;& $B['v'] <= 8) { // Browsers IE 8 and below } else { // All other browsers } share | improve this answer | follow | ...
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multiple prints on the same line in Python

I want to run a script, which basically shows an output like this: 17 Answers 17 ...
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Why does setTimeout() “break” for large millisecond delay values?

...s due to setTimeout using a 32 bit int to store the delay so the max value allowed would be 2147483647 if you try 2147483648 you get your problem occurring. I can only presume this is causing some form of internal exception in the JS Engine and causing the function to fire immediately rathe...
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How to apply a function to two columns of Pandas dataframe

Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function : 12 Answers ...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

... platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message. ...
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`if __name__ == '__main__'` equivalent in Ruby

...f there isn't really a good, clean way of doing this. EDIT: Found it. if __FILE__ == $0 foo() bar() end But it's definitely not common. share | improve this answer | ...
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Can I implement an autonomous `self` member type in C++?

...question, not the answer. In many cases in software development (and especially maintenance) it is helpful to avoid redundancies in the code, so that changing something in one place does not require you to change code in another place. That's the whole point of auto and decltype or in this case of s...