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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValue:...
Returning a boolean from a Bash function
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10 Answers
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Best way to parse RSS/Atom feeds with PHP [closed]
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10 Answers
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Is there any “font smoothing” in Google Chrome?
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Status of the issue, June 2014: Fixed with Chrome 37
Finally, the Chrome team will release a fix for this issue with Chrome 37 which will be released to public in July 2014. See example comparison of current stable Chrome 35 and latest Chrome 37 (earl...
Ruby on Rails console is hanging when loading
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answered Aug 7 '14 at 0:53
cee-dubcee-dub
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Accessing class variables from a list comprehension in the class definition
...owing will fail:
class A:
a = 42
b = list(a + i for i in range(10))
So, to summarize: you cannot access the class scope from functions, list comprehensions or generator expressions enclosed in that scope; they act as if that scope does not exist. In Python 2, list comprehensions were i...
Truncating floats in Python
...ng'''
s = '{}'.format(f)
if 'e' in s or 'E' in s:
return '{0:.{1}f}'.format(f, n)
i, p, d = s.partition('.')
return '.'.join([i, (d+'0'*n)[:n]])
This is valid in Python 2.7 and 3.1+. For older versions, it's not possible to get the same "intelligent rounding" effect (at lea...
Get decimal portion of a number with JavaScript
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Use 1, not 2.
js> 2.3 % 1
0.2999999999999998
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Ruby Hash to array of values
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answered Mar 5 '12 at 0:48
Ray ToalRay Toal
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How do I get the user agent with Flask?
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180
from flask import request
request.headers.get('User-Agent')
You can also use the request.user_...