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How to get a random value from dictionary in python
...l work in Python 2.x where d.keys() is a list, but it won't work in Python 3.x where d.keys() is an iterator. You should do random.choice(list(d.keys())) instead.
– Duncan
Feb 1 '11 at 9:42
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Python memoising/deferred lookup property decorator
...est()
>>> t.__dict__
{}
>>> t.a
generating "a"
[0, 1, 2, 3, 4]
>>> t.__dict__
{'_lazy_a': [0, 1, 2, 3, 4]}
>>> t.a
[0, 1, 2, 3, 4]
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Algorithm to detect intersection of two rectangles?
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Nils PipenbrinckNils Pipenbrinck
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Printing 1 to 1000 without loop or conditionals
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How do I convert a PDF document to a preview image in PHP? [closed]
...edited Jan 14 '19 at 11:29
jg2703
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answered Jan 22 '09 at 1:57
Paolo Berg...
Does MongoDB's $in clause guarantee order
... { "$eq": [ "$_id", 2 ] },
2,
3
]}
]}
}},
// Sort the results
{ "$sort": { "weight": 1 } }
])
So that would be the expanded form. What basically happens here is that just as the array of values is passed to $in you also...
FontAwesome icons not showing. Why?
...s:
<link
href="http://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.css"
rel="stylesheet" type='text/css'>
If your page uses HTTPS, do you link to the font-awesome CSS using HTTPS (replace http:// with https:// in the link above).
Double check that you don't have ...
How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwi...
How to strip all whitespace from string
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316
Taking advantage of str.split's behavior with no sep parameter:
>>> s = " \t foo \n ...