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std::function vs template
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answered Feb 3 '13 at 22:50
Andy ProwlAndy Prowl
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How does one use rescue in Ruby without the begin and end block
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answered Oct 9 '09 at 9:00
alex.zherdevalex.zherdev
22.4k88 gold badges5858 silver badges5555 bronze badges
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Why is a pure virtual function initialized by 0?
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The reason =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of ...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
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1850
From the docs:
The SimpleHTTPServer module has been merged into http.server in Python 3.0. T...
How to redirect output with subprocess in Python?
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20
UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.syst...
PHP regular expressions: No ending delimiter '^' found in
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PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also:...
Python - abs vs fabs
...pe of its argument.
In [7]: type(abs(-2))
Out[7]: int
In [8]: type(abs(-2.0))
Out[8]: float
In [9]: type(abs(3+4j))
Out[9]: float
In [10]: type(math.fabs(-2))
Out[10]: float
In [11]: type(math.fabs(-2.0))
Out[11]: float
In [12]: type(math.fabs(3+4j))
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Increment a value in Postgres
...table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total to 204?
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Install MySQL on Ubuntu without a password prompt
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stefansundin
1,50711 gold badge1313 silver badges1919 bronze badges
answered Oct 12 '11 at 13:08
Dimitre RadoulovDimi...
How to create enum like type in TypeScript?
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TypeScript 0.9+ has a specification for enums:
enum AnimationType {
BOUNCE,
DROP,
}
The final comma is optional.
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