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What is an NP-complete in computer science?
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edited Dec 12 '19 at 9:30
community wiki
6 r...
What's the best name for a non-mutating “add” method on an immutable collection?
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Convert SVG to PNG in Python
...disk:
import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cairo(ctx)
img.write_to_png("svg.png")
Upd...
How to evaluate http response codes from bash/shell script?
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329
I haven't tested this on a 500 code, but it works on others like 200, 302 and 404.
response=$(...
Disable ActiveRecord for Rails 4
...cations:
1. Remove database adapter gems from your Gemfile (mysql2, sqlite3, etc.)
2. Change your config/application.rb
Remove require 'rails/all line and require frameworks (among those available in your rails version, the list varies, do not just copy) you want to use, for example:
require "ac...
What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
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edited Nov 4 '14 at 0:35
answered May 28 '10 at 18:54
n...
In Python, how do I read the exif data for an image?
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Nicolas Gervais
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answered Jan 22 '11 at 0:21
paynepayne
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What's the difference between equal?, eql?, ===, and ==?
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answered Aug 23 '11 at 6:25
jtbandesjtbandes
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Using Mockito to mock classes with generic parameters
... osundblad
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answered Oct 30 '09 at 23:12
John PaulettJohn Paulett
14.4k...
Pass Variables by Reference in Javascript
How do I pass variables by reference in JavaScript? I have 3 variables that I want to perform several operations to, so I want to put them in a for loop and perform the operations to each one.
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