johnschult
/ git.rb
Created
April 17, 2009 16:07
Returns the git tag that has the same hash as the head of the branch parameter
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| require 'rubygems' | |
| require 'git' | |
| module Git | |
| class Lib | |
| # finds a tag with the same hash as the specified branch's head (if any) | |
| def tag_for_head(branch) | |
| tag = nil | |
| head_hash = command('show-ref', ['--hash', "#{branch}"]) | |
| command('show-ref', ['--tags']).each do |r| |
johnschult
/ google_charts_data_encoding.rb
Created
January 29, 2009 17:51
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| def extended_encode(data_arr, max_value) | |
| # Douglas F Shearer 2007 | |
| # http://douglasfshearer.com/blog/ruby-google-charts-api-data-encoding | |
| characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.'.split(//) | |
| data = '' | |
| data_arr.each do |value| | |
| if value.is_a?(Integer) && value >= 0 | |
| new_value = ((4095 * value.to_f / max_value.to_f).to_i) | |
| sixtyfours = new_value/64 | |
| units = new_value%64 |
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