Backing up your database with a cron job on Bluehost


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Bluehost provide a cron job set up interface in the control panel that makes it easy to set up cron jobs. The command I use is: mysqldump -u DBUSERNAME...

wrong argument type String (expected Module) Ruby on Rails error


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
I got the error wrong argument type String (expected Module) because I was trying to create a select drop down for a field called 'Type'. However, 'Type...

Alternate row classes with Ruby on Rails


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Using the built in TextHelper cycle method makes alternate row classes so easy in Ruby on Rails. If your table rows are being ouput via a loop then you...

undefined method `body=' NoMethodError in Ruby on Rails


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Not a reserved word or magic fieldname this time. But apparantly "response" is something special in Rails, "request" is too. So when I attempted to use...

Using del.icio.us to display links on your website


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Originally I had written a link manager into the admin for this site until I decided del.icio.us was the best way to manage my bookmarks. The reason for...

Custom foreign keys in ruby on rails


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Custom foreign keys in Rails are handy if you have a legacy database where you cannot change table/field names. In my case it wasn't to do with a legacy...

Pure CSS method to indicate the page you are on


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
The idea of this method is to allow you to target a specific navigation item with css. You must place a unique id on the body of each page in your site...

How to write custom validation in Ruby on Rails


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
Fortunately writing custom validation is really easy in Rails. Let me show you... def validate errors.add_to_base "If you are attaching a file you...

Why you should freeze Rails on a shared host environment


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
When you upload your site you need to run the freeze gems rake command. Freeze is cool according to David Heinemeier Hansson and it will ensure your site...

How to build a simple ajax search in Ruby on Rails


over 11 years ago by Paul Sturgess on paulsturgess.co.uk articles.
I've just implemented a simple ajax search on my site and i'm going to explain how I did it. In my view: <%= start_form_tag({}, {:id => "search...