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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will ...
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split string in to 2 based on last occurrence of a separator

...know if there is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator. ...
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What does numpy.random.seed(0) do?

...>>> numpy.random.seed(0) ; numpy.random.rand(4) array([ 0.55, 0.72, 0.6 , 0.54]) >>> numpy.random.seed(0) ; numpy.random.rand(4) array([ 0.55, 0.72, 0.6 , 0.54]) With the seed reset (every time), the same set of numbers will appear every time. If the random seed is not res...
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Repeat string to certain length

... | edited Nov 23 '17 at 22:56 Joop 2,9062525 silver badges5050 bronze badges answered Aug 2 ...
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Cast Object to Generic Type for returning

... 212 You have to use a Class instance because of the generic type erasure during compilation. publ...
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Default function arguments in Rust

... | edited Mar 24 '19 at 21:20 answered Jun 5 '14 at 0:06 ...
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Difference in Months between two dates in JavaScript

... 25 Answers 25 Active ...
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How to join strings in Elixir?

... 225 If you just want to join some arbitrary list: "StringA" <> " " <> "StringB" or ...
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Index (zero based) must be greater than or equal to zero

... 192 Your second String.Format uses {2} as a placeholder but you're only passing in one argument, so ...
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What happens to a github student account's repositories at the end of 2 years?

...er, but I'm wondering what will happen to those repositories at the end of 2 years when my free student upgrade expires. I'm assuming it's the same thing that happens when you downgrade from a micro to a free account. ...