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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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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...
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...
Ruby Hash to array of values
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answered Mar 5 '12 at 0:48
Ray ToalRay Toal
76.4k1212 gold badges143143 silver badges204204 bronze badges
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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_...
How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to get the nth occurrence in a string?
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edited Mar 30 at 14:56
mplungjan
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Correct way to quit a Qt program?
...CoreApplication::quit() it "tells the application to exit with return code 0 (success).". If you want to exit because you discovered file corruption then you may not want to exit with return code zero which means success, so you should call QCoreApplication::exit() because you can provide a non-zero...
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...
Java variable number or arguments for a method
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edited Oct 20 '17 at 1:43
ErikE
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