similar to: Strange problem with Gruff not always displaying graph

I have the following as my sql query: @total = @report.report_items.find_by_sql "SELECT SUM(amount) FROM report_items WHERE report_item_selected = ''y'' AND available = ''n'' AND user_id = 1" I am trying to add the value of SUM(amount) to a Gruff pie chart and it does not seem to be working. I have the following: g.data("Items", @total)

I have a script file in my cron.hourly that contains a good number of scripts I must call. #!/bin/sh sleep 15 perl /scripts/create_graph.pl & sleep 15 perl /scripts/create_graph_out.pl & many more lines. etc. Is there a way I can sleep random length to time before executing each but background each one so master script returns promptly. Something like. sleep (random 1 - 300 seconds,

Hi everybody, I am currently working with R and I would like to create jpeg graphs with it. I am working on Windows and Unix but I would like to be able to create graphs (jpeg, png, bitmap...) under Unix. I am working on Solaris version 8. The documentation for R states that the latest version of or R known to compile on Solaris 8 is version 2.6.2. I have been able to compile and install R

Ok, now we have the mapping of color names to color codes (see below) and conversion to rgb (something like Ben Bolker's function), but how to convert rgb to hsv? Thanks to Brian Ripley, Peter Dalgaard and Ben Bolker Details below Regards Jens etc/colors.big maps 455 names to rgb in S syntax etc/rgb.txt maps 657 names to rgb in C syntax, but unlike colors() it has mixed upper and

Hi all, for some reason adding the following is doing nothing... .post.hover { background: FAFAFA; I''ve got this in my posts.js coffee file $ -> $(''.post'').hover (event) -> $(this).toggleClass("hover") and my index is <% @posts.each do |post| %> <div class="post"> <strong><%= post.title %></strong>