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Function to return only alpha-numeric characters from string?
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answered Mar 4 '11 at 20:58
Mark ByersMark Byers
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Get underlying NSData from UIImage
...olineCaroline
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84
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How to get the home directory in Python?
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1592
You want to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path ...
Using the Swift if let with logical AND operator &&
...apped optional meets the condition:
if let w = width as? Int where w < 500
{
println("success!")
}
For those now using Swift 3, "where" has been replaced by a comma. The equivalent would therefore be:
if let w = width as? Int, w < 500
{
println("success!")
}
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Twig ternary operator, Shorthand if-then-else
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295
{{ (ability.id in company_abilities) ? 'selected' : '' }}
The ternary operator is documented u...
Getting one value from a tuple
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You can write
i = 5 + tup()[0]
Tuples can be indexed just like lists.
The main difference between tuples and lists is that tuples are immutable - you can't set the elements of a tuple to different values, or add or remove elements like you ...
How can I add items to an empty set in python
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195
D = {} is a dictionary not set.
>>> d = {}
>>> type(d)
<type 'dict'>
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Browser support for URLs beginning with double slash
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edited Feb 26 '19 at 1:35
user3261338
answered Mar 9 '12 at 10:18
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