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How to find where a method is defined at runtime?
...ancing built-in classes.
module Perpetrator
def crime
end
end
class Fixnum
include Perpetrator
end
p 2.method(:crime) # The "2" here is an instance of Fixnum.
#<Method: Fixnum(Perpetrator)#crime>
If you're on Ruby 1.9+, you can use source_location
require 'csv'
p CSV.new('string')....
Case insensitive XPath contains() possible?
I'm running over all textnodes of my DOM and check if the nodeValue contains a certain string.
6 Answers
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I am getting Failed to load resource: net::ERR_BLOCKED_BY_CLIENT with Google chrome
...different browser or uninstall the ad blocking plugin (right clicking the extension by the URL bar and clicking "Remove from Chrome...").
There is an easier way to temporarily disable an extension. In Chrome, opening an Incognito tab will usually stop extensions running (unless you have specificall...
How can I get the domain name of my site within a Django template?
...
I think what you want is to have access to the request context, see RequestContext.
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How to handle anchor hash linking in AngularJS
...dd ngView each change of url's hash would trigger route reload... In your example there is no routing and url does not reflect current item... But thanks for pointing to $anchorScroll
– Valentyn Shybanov
Feb 5 '13 at 23:03
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How to copy files between two nodes using ansible
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Beginning with Vagrant 1.7.x it uses different private keys depending on machine. See issue github.com/mitchellh/vagrant/issues/4967 Insert following line into the Vagrantfile config.ssh.insert_key = false to force Vagrant to use the ONE insecure_key f...
How to efficiently compare two unordered lists (not sets) in Python?
a & b should be considered equal, because they have exactly the same elements, only in different order.
10 Answers
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Create PostgreSQL ROLE (user) if it doesn't exist
...eate a ROLE in PostgreSQL 9.1, but without raising an error if it already exists?
10 Answers
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How can I get `find` to ignore .svn directories?
...noyingly, because Subversion stores duplicates of each file in its .svn/text-base/ directories my simple searches end up getting lots of duplicate results. For example, I want to recursively search for uint in multiple messages.h and messages.cpp files:
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Is there any Rails function to check if a partial exists?
When I render a partial which does not exists, I get an Exception. I'd like to check if a partial exists before rendering it and in case it doesn't exist, I'll render something else. I did the following code in my .erb file, but I think there should be a better way to do this:
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