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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegrind and V...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
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134
I had the same problem and solved by adding:
<argLine>-Xmx1024m -XX:MaxPermSize=256m<...
How can I open multiple files using “with open” in Python?
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As of Python 2.7 (or 3.1 respectively) you can write
with open('a', 'w') as a, open('b', 'w') as b:
do_something()
In earlier versions of Python, you can sometimes use
contextlib.nested() to nest context managers. This won't work as expe...
Can I use conditional statements with EJS templates (in JMVC)?
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answered Jan 7 '13 at 17:37
JbirdJbird
2,56311 gold badge1616 silver badges2626 bronze badges
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Assign pandas dataframe column dtypes
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In [22]: df.dtypes
Out[22]:
x object
y object
dtype: object
In [23]: df.convert_objects(convert_numeric=True)
Out[23]:
x y
0 a 1
1 b 2
In [24]: df.convert_objects(convert_numeric=True).dtypes
Out[24]:
x object
y int64
dtype: object
Magic! (Sad to see it deprecated.)
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What is AssemblyInfo.cs used for?
...msdn.microsoft.com/Forums/en/csharpgeneral/thread/8955449f-71ac-448e-9ee6-5329fceecd3c
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Passing base64 encoded strings in URL
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213
No, you would need to url-encode it, since base64 strings can contain the "+", "=" and "/" chara...
Remove non-utf8 characters from string
...iple-byte sequences 1110xxxx 10xxxxxx * 2
| [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3
){1,100} # ...one or more times
)
| . # anything else
/x
END;
preg_replace($regex, '$1', $text);
It searches...
Copy file or directories recursively in Python
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Jean-François Corbett
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answered Jan 3 '10 at 12:35
tzottzot
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Cookies on localhost with explicit domain
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For PHP, see comments on http://php.net/manual/en/function.setcookie.php#73107.
If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all.
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