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What is the difference between NaN and None?
...y opinion, to be the best decision given the state of affairs in NumPy and Python in general. The special value NaN (Not-A-Number) is used everywhere as the NA value, and there are API functions isnull and notnull which can be used across the dtypes to detect NA values.
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Thus, I have chosen t...
How to determine an object's class?
...er so much. Something is changing here...
– Adrián Pérez
Sep 22 '13 at 17:32
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if else in a list comprehension [duplicate]
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@shihon When 'link' in links.keys() is False, a Python list comprehension skips over the expression to add {'albums': links['link']} to the list. Your code expanded would behave the same way as [x+1 for x in l if x >= 45] in my answer above.
– arbo...
C/C++ check if one bit is set in, i.e. int variable
... or std::numeric_limits<int>::digits
– Léo Lam
Aug 19 '17 at 13:10
@iNFINITEi std::bitset<CHAR_BIT * ...
How do I disable log messages from the Requests library?
By default, the Requests python library writes log messages to the console, along the lines of:
12 Answers
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Left align two graph edges (ggplot)
...ent of the grob than 2:3? Thank you!
– Etienne Low-Décarie
Jun 28 '13 at 16:23
4
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... greater.
Here's what the double precision value gets rounded to (using a Python interpreter):
>>> "%.55f" % 0.1
'0.1000000000000000055511151231257827021181583404541015625'
And here's the single precision value:
>>> "%.55f" % numpy.float32("0.1")
'0.100000001490116119384765625...
How to drop all user tables?
... edited Jun 13 '13 at 7:25
Stéphane Bruckert
17.3k99 gold badges7777 silver badges111111 bronze badges
answered Jun 13 '13 at 6:59
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Visual Studio 2010 - recommended extensions [closed]
...because you'll have to write it yourself anyway.
– Stéphane
May 3 '10 at 16:25
18
@Stephane: The...
What is stdClass in PHP?
...ass is PHP's generic empty class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an alternative to ...