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Accessing class variables from a list comprehension in the class definition
...lowing will fail:
class A:
a = 42
b = list(a + i for i in range(10))
So, to summarize: you cannot access the class scope from functions, list comprehensions or generator expressions enclosed in that scope; they act as if that scope does not exist. In Python 2, list comprehensions were ...
How do you pass multiple enum values in C#?
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10 Answers
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How to validate an Email in PHP?
... a small amount of differences, reading the Manual should suffice.
Update 1: As pointed out by @binaryLV:
PHP 5.3.3 and 5.2.14 had a bug related to
FILTER_VALIDATE_EMAIL, which resulted in segfault when validating
large values. Simple and safe workaround for this is using strlen()
before...
Why is rbindlist “better” than rbind?
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156
rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow ...
How to create a density plot in matplotlib?
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124
Sven has shown how to use the class gaussian_kde from Scipy, but you will notice that it doesn...
Plot two histograms on single chart with matplotlib
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12 Answers
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Is there an easy way to check the .NET Framework version?
The problem is that I need to know if it's version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053 .
21 Answ...
Generic deep diff between two objects
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148
I wrote a little class that is doing what you want, you can test it here.
Only thing that is ...
How to reset postgres' primary key sequence when it falls out of sync?
...e the sequence
SELECT setval('your_table_id_seq', COALESCE((SELECT MAX(id)+1 FROM your_table), 1), false);
COMMIT;
Source - Ruby Forum
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Regex to match only letters
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edited Sep 1 '10 at 12:17
answered Sep 1 '10 at 12:09
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