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Why do you have to call .items() when iterating over a dictionary in Python?
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For every python container C, the expectation is that
for item in C:
assert item in C
w...
How to install psycopg2 with “pip” on Python?
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ItemsControl with horizontal orientation
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edited Sep 27 '11 at 14:53
Tim Cooper
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Is explicitly closing files important?
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129
In your example the file isn't guaranteed to be closed before the interpreter exits. In curre...
How do I install Python OpenCV through Conda?
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41 Answers
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Should I impose a maximum length on passwords?
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Passwords are hashed to 32, 40, 128, whatever length. The only reason for a minimum length is ...
boundingRectWithSize for NSAttributedString returning wrong size
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21 Answers
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Double Iteration in List Comprehension
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Blocks on Swift (animateWithDuration:animations:completion:)
...es:
UIView.animateWithDuration(0.2, animations: {
self.blurBg.alpha = 1
}, completion: {
(value: Bool) in
self.blurBg.hidden = true
})
The important part here is the (value: Bool) in. That tells the compiler that this closure takes a Bool labeled 'value' and returns void.
For referen...
How can I get sin, cos, and tan to use degrees instead of radians?
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218
You can use a function like this to do the conversion:
function toDegrees (angle) {
return a...