Web Development

Cleanly install RMagick on OSX Leopard

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Apple's latest Mac OSX release, 10.5, dubbed "Leopard", does a great job to remedy the problem Rails developers had with previous releases - Ruby is now installed and works correctly, with Rails and a whole bunch of other common gems installed too. Awesome stuff. The one thing they missed, however, was the graphics manipulation package RMagick, but thankfully OnRails.org has put together a tutorial for installing RMagick that covers everything needed to get it working.

Bug in Safari 3 beta: hidden file fields don't get submitted

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I've just wasted several hours due to what turned out to be a bug in the current Safari 3 beta (on OSX Tiger). If you have a form with some DIVs set to display:none;, any file fields that are in the hidden DIVs do not get submitted along with the rest of the data, whereas text fields are submitted. This inconsistency does not exist in Firefox 2 - it submits all of the available fields. Bad Safari, bad!

Insanely easy tabbed web pages with Prototype

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I came across this today when trying to find an easier way to present a six-part form in a Rails project - a tabbed interface system built upon Prototype (an integral part of Rails). Called Control.Tabs it makes tabbed interfaces a synch to do: simply add an unordered list containing links to the blocks containing your to-be-tabbed content, and add a line of JavaScript to start the ball rolling - that's it! Some of the examples given on the site take it even further, including building an image gallery, and I've used it to build a series of form pages into one page complete with back/forwards buttons, all without refreshing the page. Good stuff, and well worth the time for any Rails developer to try using.

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