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List comprehension: Returning two (or more) items for each item
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52
>>> from itertools import chain
>>> f = lambda x: x + 2
>>> g = lamb...
call a static method inside a class?
...use self::
– blamb
Jan 22 '18 at 19:56
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NHibernate ISession Flush: Where and when to use it, and why?
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answered Sep 4 '08 at 11:58
Matt HinzeMatt Hinze
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
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145
(Note: root, base, apex domains are all the same thing. Using interchangeably for google-foo.)
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Why C# fails to compare two object types with each other but VB doesn't?
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edited Jan 4 '15 at 1:48
Tarik
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Is cout synchronized/thread-safe?
...[iostream.objects.overview]:
Concurrent access to a synchronized (§27.5.3.4) standard iostream object’s formatted and unformatted input (§27.7.2.1) and output (§27.7.3.1) functions or a standard C stream by multiple threads shall not result
in a data race (§1.10). [ Note: Users must stil...
How to wrap text around an image using HTML/CSS
...h: 400px;
background: yellow;
}
#floated{
float: left;
width: 150px;
background: red;
}
FIDDLE
http://jsfiddle.net/kYDgL/
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get list of pandas dataframe columns based on data type
...ertain type, you can use groupby:
>>> df = pd.DataFrame([[1, 2.3456, 'c', 'd', 78]], columns=list("ABCDE"))
>>> df
A B C D E
0 1 2.3456 c d 78
[1 rows x 5 columns]
>>> df.dtypes
A int64
B float64
C object
D object
E int64
dtype: obj...
Why does changing 0.1f to 0 slow down performance by 10x?
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