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This is a subset of a much larger dataframe. I would like to be able to automate finding the pair of x, y coordinates where the line crosses zero agian x <- (structure(list(bankfull_depths_m = c(0, 0.17, 0.38, 0.37, 0.36, 0.39, 0.47, 0.48, 0.19, 0.05, -0.05, -0.09), measurment_num_m = c(0.2, 0.4, 0.6, 0.8, 1, 1.2, 1.4, 1.6, 1.8, 2, 2.2, 2.4)), .Names = c("bankfull_depths_m",

Hi all, I just watched the rail video: http://www.rubyonrails.org/media/video/rails_take2_with_sound.mov I am just curious. I can tell that the video was done on a Mac, but I cannot tell which applications were used for editing the code, and for interfacing with MySQL database. As far as editing source code, I normally use BBEdit (I''ve used it since 1994), but the editor used in