Archive for May, 2008
The best IT books hand-picked for you!
Are you ready to dive into Rails? Want to familiarize yourself with the deeper dungeons of Ruby? Are you an aspiring game developer? Or maybe you just want to learn how to use Git or Subversion effectively?
In any case, I’ve opened up a little book shop with a hand-picked selection of books on a [...]
Spread your word… on Ariejan.net
Hey there! As you may have noticed, I’ve been running advertisements on Ariejan.net lately. I’ve just added some very interesting new features. Feel free to check them out.
125×125 Banner Buttons
You may now place 125×125 Banner buttons on Ariejan.net. I’ve currently made two spots available, but more can be added if there’s demand for that. [...]
The migration that cannot be undone: Irreversible Migration
Migrations have up and down methods, as we all know. But in some cases, your up method does things you can’t undo in your down method.
For example:
def self.up
# Change the zipcode from the current :integer to a :string type.
change_column :address, :zipcode, :string
end
Now, converting integers to strings will always work. But, [...]
How to: Compile packages on Debian/Ubuntu by hand
In some very rare situations you may find yourself in the need to recompile a Debian (or Ubuntu) package. Luckily for all of use, the great Debian packaging system makes this a piece of cake.
Let’s say we want to recompile mod_python for apache 2 to hook in to python 2.5, instead of the default [...]
