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Nokogiri installation fails -libxml2 is missing
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the Tin Man
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answered Jun 8 '11 at 10:56
Erik Peterson...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
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Using GHC 7.0.3, gcc 4.4.6, Linux 2.6.29 on an x86_64 Core2 Duo (2.5GHz) machine, compiling using ghc -O2 -fllvm -fforce-recomp for Haskell and gcc -O3 -lm for C.
Your C routine runs in 8.4 seconds (faster than your run probably because of -O3)...
How to git-cherry-pick only changes to certain files?
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answered Apr 19 '11 at 14:04
CascabelCascabel
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Best way to create unique token in Rails?
...lemented in Rails 5 ActiveRecord's secure token implementation.
-- Rails 4 & 3 --
Just for future reference, creating safe random token and ensuring it's uniqueness for the model (when using Ruby 1.9 and ActiveRecord):
class ModelName < ActiveRecord::Base
before_create :generate_token
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Regular Expression For Duplicate Words
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146
Try this regular expression:
\b(\w+)\s+\1\b
Here \b is a word boundary and \1 references the...
Rails 3 - can't install pg gem
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edited Mar 25 '13 at 6:47
Perception
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an...
Find the most common element in a list
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Alex MartelliAlex Martelli
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Add and Remove Views in Android Dynamically?
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ViewParents in general can't remove views, but ViewGroups can. You need to cast your parent to a...