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I'm having this problem with nokogiri's gem:
Could not open library 'C:\Ruby187\lib\ruby\gems\1.8\gems\nokogiri-1.4.6-x86-mingw32\ext\nokogiri\libxml2.dll' : unknown
I read that I had to try the 1.5.0.beta3 version. However, when I run
C:\Users\t3en4>gem install nokogiri --pre
Fetching: nokogiri-1.5.0.beta.4.gem (100%)
ERROR: Error installing nokogiri:
The 'nokogiri' native gem requires installed build tools.
Please update your PATH to include build tools or download the DevKit
from 'http://rubyinstaller.org/downloads' and follow the instructions
at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit'
What should I do?
418
The Nokogiri gem is an incredible open-source tool that parses HTML and XML data. It is one of the most widely used gems available, and it can really take your Ruby app to another level for data with its ability to help you intuitively scrape websites.
Use `gem install -v` You may already be familiar with gem install , but if you add the -v flag, you can specify the version of the gem to install. Using -v you can specify an exact version or use version comparators.
One of the best gems for Ruby on Rails is Nokogiri which is a library to deal with XML and HTML documents. The most common use for a parser like Nokogiri is to extract data from structured documents.
Nokogiri makes an attempt to determine whether a CSS or XPath selector is being passed in. It's possible to create a selector that fools at or search so occasionally it will misunderstand, which is why we have the more specific versions of the methods.
wow, i found the solution, there is a nokogiri for 64bits
goto rubygems, goto nokogiri gem, and look at the version list!
https://rubygems.org/gems/nokogiri
notice the x64-mingw32 and x86-mingw32 version
took me hours to figure this out...
141
You need DevKit to compile the gem properly.
41
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