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Tips and Tutorials

Rails and SQL queries

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Ruby on Rails is Model-View-Controller web-application framework. Rails uses ActiveRecord database abstraction classes to work with SQL tables. However, sometimes it is more convenient to work with plain SQL queries(without any model classes) for specific database operations.

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Full Ruby on Rails Tutorial that Anyone can Edit

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A tutorial for Ruby on rails that is literally dummy proof. Anyone can read our tutorial and have an application up and running in no time.

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Send a file with; send_file

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After uploading a file to your server/database you may want users to download it, and send_file works great for just that! Lets say you are allowing users to upload "gif" files to your /RAILS_ROOT/images/*usern ame*/*thegif.gif*. Now you want to allow them to download them or other users to download the pictures

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visual_effect with a delay

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One of the coolest things I ran across in RJS was the delay method. This delay method will do just that and delay a number of seconds. So lets say you need to highlight something that was just added to the page after the user submits it.

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SEO on Rails

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and Tricks for improving your RoR app so it is search engine friendly.

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Listing files in a directory with Rails

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In a recent application I am building I needed to pull file names and directory names from a local directory. I searched all over the net for this and found nothing. After reviewing a few of rails built in functions I came across Dir.glob(). If you feed this method a path to a directory it will then come back with an array of the names and directories listed

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