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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...
Can we use join for two different database tables?
...PierreRePierre
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18
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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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Read only the first line of a file?
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360
Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
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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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Multiline syntax for piping a heredoc; is this portable?
...ere-doc EOF2 ``` The above does not work.
– user1424739
Jun 1 '15 at 0:29
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Can I draw rectangle in XML?
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230
Yes you can and here is one I made earlier:
<?xml version="1.0" encoding="UTF-8"?>
<s...
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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