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The rails docs are so horrible on the collection_select method. They need to show a *complete* form, and show two examples: one that calls f.collection_select(), and another that calls collection_select(), and explain the differences. Given this line: f.collection_select :topic, Topic.all, :id, :category What the !@#$!@#$ is :topic? -- Posted via http://www.ruby-forum.com/. -- You received

Hey, I''ve checked my gems env, appears to be fine. Is there anything else I can check to see why it is not recognising the Rails command? I have read a number of post and they all seem to point back to PATH. BTW: Using Ubuntu OS. Cheers, James -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group,

Can anyone help me install railroad gem? What I need is a simple class diagram of my rails website. Not necessarily with railroad (if you know any other software, for mac, that works). The website is http://railroad.rubyforge.org/ I couldn''t find any explanation on how to install it. Thank you, Rodrigo -- You received this message because you are subscribed to the Google Groups

An article for those starting learning Ruby Learning Ruby - Don''t give up<http://arubystory.blogspot.com/2013/11/dont-give-up-on-ruby.html> -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to

Is there an easy way to add a thousand separator mark on the axis of a plot? The best solution I've found so far is the following: y <- seq(0, 100000, 10000) plot(y, yaxt = "n", ylab = "") axis(2, at = y, labels = formatC(y, big.mark = " ", format = "d"), las=2) But that seems like quite a hassle to do every time around. Is there a way to get the

How can I create probability trees in R? I've searched everywhere I could and still have no clue. :-/ [[alternative HTML version deleted]]