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django : using select_related and get_object_or_404 together
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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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Why is 'false' used after this simple addEventListener function?
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According to MDN Web Docs, the third parameter is:
useCapture
If true, useCapture indicat...
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 to install psycopg2 with “pip” on Python?
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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...
specify project file of a solution using msbuild
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edited Apr 25 '19 at 20:25
Scott
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answe...
How to check if a value exists in an array in Ruby
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1974
You're looking for include?:
>> ['Cat', 'Dog', 'Bird'].include? 'Dog'
=> true
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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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