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A good solution for await in try/catch/finally?
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edited May 18 '13 at 19:09
Sam Harwell
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Why is the order in dictionaries and sets arbitrary?
... was written before the implementation of the dict type changed, in Python 3.6. Most of the implementation details in this answer still apply, but the listing order of keys in dictionaries is no longer determined by hash values. The set implementation remains unchanged.
The order is not arbitrary,...
Do fragments really need an empty constructor?
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Yes they do.
You shouldn't really be overriding the constructor anyway. You should have a new...
Rails “validates_uniqueness_of” Case Sensitivity
Here is the model (I am using SQLLite3):
4 Answers
4
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Detecting a redirect in ajax request?
...ant to use jQuery to GET a URL and explicitly check if it responded with a 302 redirect, but not follow the redirect.
4 A...
What is the correct answer for cout
...hat it requires the code to produce result b, which outputs 01.
See P0145R3 Refining Expression Evaluation Order for Idiomatic C++ for more details.
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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 Regex would capture everything from ' mark to the end of a line?
... Joshua BeldenJoshua Belden
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3
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Filtering a list of strings based on contents
...:
>>> filter(lambda k: 'ab' in k, lst)
['ab', 'abc']
In Python 3, it returns an iterator instead of a list, but you can cast it:
>>> list(filter(lambda k: 'ab' in k, lst))
['ab', 'abc']
Though it's better practice to use a comprehension.
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Are SVG parameters such as 'xmlns' and 'version' needed?
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sleske
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answered Aug 27 '13 at 14:32
Robert LongsonR...