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Can we use join for two different database tables?
...PierreRePierre
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Why use argparse rather than optparse?
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324
As of python 2.7, optparse is deprecated, and will hopefully go away in the future.
argparse ...
Sourcetree - undo unpushed commits
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351
Right click on the commit you like to reset to (not the one you like to delete!)
Select "Rese...
Can we convert a byte array into an InputStream in Java?
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Paul Bellora
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answered Nov 26 '09 at 7:44
Daniel RikowskiDaniel Rikowski
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Redo merge of just a single file
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hammarhammar
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How to replace a character with a newline in Emacs?
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433
M-x replace-string RET ; RET C-q C-j.
C-q for quoted-insert,
C-j is a newline.
Cheers!
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...lowed by a single Newton-Raphson step) that gives nearly full precision (~23 bits of accuracy, if I remember properly), and is still somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of thes...
Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
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edited May 23 '17 at 12:18
Community♦
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answered Aug 1 '12 at 1:50
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How do I get the backtrace for all the threads in GDB?
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answered Apr 10 '14 at 6:36
SharadSharad
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