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Hello, I am working on reports now where we are using MySQL (InnoDB) and Rails 2.3.4. Tables are big and there are a lot of calculation with several big tables. Please give me some suggestions whether there any gem, plugin, articles, or techniques that allows me to create heavy reports. I am even going to use cron job that allows me to calculate some middle data in order to provide heavy

Hi ! I need to create some pdf from my application. I have a table people with a field address and I need to generate a pdf of label of each address ( I think 10 labels per page). The pdf can have around 500 pages. Which library should I use to do it ? I read some information about different library to generate pdf but I don''t know if all library are a good choice for generate