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title
RGB helper method
excerpt
content
RGB helper method 25 Mar 2009 I use Safari for my day to day development and while the ‘Inspect Element’ command has been much improved since earlier versions – I still can’t find out the foreground or background colours in hexadecimal notation. The following ruby snippet converts from the format that Safari provides into hexadecimal. I find that its really useful to put in .irbrc so that its always available for quick conversions in IRB. def rgb(*colours) colours.inject('#') do |code, colour| code += colour.to_s(16).rjust(2, '0').upcase end endI’m of the school of thought that every bit of code should be tested, mainly to preserve my sanity, so here are the specs for the following method. describe "#rgb" do it "should convert rgb(0, 0, 0) to '#000000'" do rgb(0, 0, 0).should == '#000000' end it "should convert rgb(190, 215, 205) to '#BED7CD'" do rgb(190, 215, 205).should == '#BED7CD' end it "should convert rgb(255, 255, 255) to '#FFFFFF" do rgb(...
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Oliver Legg
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