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Why do some functions have underscores “__” before and after the function name?
This "underscoring" seems to occur a lot, and I was wondering if this was a requirement in the Python language, or merely a matter of convention?
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How to install both Python 2.x and Python 3.x in Windows
I do most of my programming in Python 3.x on Windows 7, but now I need to use the Python Imaging Library (PIL), ImageMagick, and wxPython, all of which require Python 2.x.
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Among $_REQUEST, $_GET and $_POST which one is the fastest?
... depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not both) : generally speaking :
You should use $_GET when...
How do you disable browser Autocomplete on web form field / input tag?
...ion, because the origin of preference for this setting is user agent also known as the web browser. There is a difference between supporting certain behaviour (which HTML 5 attempts to do) and forcing it by deciding on behalf of the user, which you suggest is a "much better solution".
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Rolling median algorithm in C
...omputed very
efficiently.
The two algorithms are internally entirely different:
\describe{
\item{"Turlach"}{is the Härdle-Steiger
algorithm (see Ref.) as implemented by Berwin Turlach.
A tree algorithm is used, ensuring performance \eqn{O(n \log
k)}{O(n * log(k))} whe...
Can not connect to local PostgreSQL
...
I've added an extra link. As far as I know you can't really have postgresql without the postgresql.conf (even if it's been renamed). Your first task must be to find this.
– Philip Couling
Dec 13 '11 at 13:57
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Signed to unsigned conversion in C - is it always safe?
...implementation-defined or an implementation-defined signal is raised.
Now we need to refer to (2) above. Your i will be converted to an unsigned value by adding UINT_MAX + 1. So the result will depend on how UINT_MAX is defined on your implementation. It will be large, but it will not overflow,...
Automapper: Update property values without creating a new object
...= new dest
{
//initialize properties
}
_mapper.Map(src, dest);
dest will now be updated with all the property values from src that it shared. The values of its unique properties will remain the same.
Here's the relevant source code
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How to convert JSON data into a Python object
...eturn json.loads(data, object_hook=_json_object_hook)
x = json2obj(data)
If you want it to handle keys that aren't good attribute names, check out namedtuple's rename parameter.
share
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improve th...
How do I use raw_input in Python 3
... a leftover from when Python was less security conscious. The change simplified the language. See also "import this" for a deeper explanation. Would you prefer a dead language to one that evolves? There are plenty of those around.
– meawoppl
Apr 9 '14 at ...