By Dave Thomas
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Additional info for Agile Web Development with Rails: A Pragmatic Guide
We already know that Rails uses a convention to parse the URL into a target controller and an action within that controller. So a simple approach would be to adopt this URL convention for our links. rhtml would contain the following. ...
... rhtml would point the other way. ...
... This approach would certainly work, but it’s a bit fragile. If we were to move our application to a different place on the web server, the URLs would no longer be valid.
The rest of us mortals will probably use our distribution’s package manager to install the code we need (pretty much the way James Duncan Davidson’s instructions did for the Mac). But, because each distribution is different, we’re going to punt on the details and instead reference an online resource that has the scoop for Ubuntu, the popular Debian-based distribution. The link here is for the “Dapper Drake” distribution. You may find that this has been superceded by the time you read this. 5 Development Environments The day-to-day business of writing Rails programs is pretty straightforward.
Under Linux, you’ll need gcc and friends (but these will likely already be installed). Under OS X, you’ll need to install the developer tools (they come with the operating system but aren’t installed by default). You’ll also need to install your database driver into the correct version of Ruby. In the installation instructions starting back on page 34 we installed our own copy of Ruby, bypassing the built-in one. It’s important to remember to have this version of Ruby first in your path when building and installing the database driver.