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Why do you have to call .items() when iterating over a dictionary in Python?
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171
For every python container C, the expectation is that
for item in C:
assert item in C
w...
Should I impose a maximum length on passwords?
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196
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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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...
How do I execute a string containing Python code in Python?
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14 Answers
14
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Is there a Google Voice API? [closed]
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No, there is no API for Google Voice as of 2019.
"pygooglevoice" can perform most of the voice functions from Python. It can send SMS. I've developed code to receive SMS messages, but the overhead is excessive given the current Google Voice interface. Each poll retu...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
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edited Sep 8 '19 at 2:45
answered Jul 25 '10 at 15:04
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Is the 'override' keyword just a check for a overridden virtual method?
As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class.
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How do I fetch lines before/after the grep result in bash?
...n use the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
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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...