You may have heard the expression “fat model, skinny controller” when talking about MVC frameworks. I’m going to try and convince you that why that’s a misleading and potentially dangerous rule to follow. Problems working with MVC MVC frameworks provide … Continue reading
The very first gem I ever created was actually pretty good. Apart from one thing: when you installed it, it didn’t install the dependencies (i.e. the other gems that it depended upon). This might seem like a pretty big oversight, … Continue reading
I sometimes find myself in the situation where I have a command running in my terminal, and want to run another command only after the first has finished. I’m pretty forgetful, so I don’t want to come back later and … Continue reading
Getting the PID of a running command is something I do daily, particularly by grepping on the name, e.g.: The second column gives the process ID, which I then pick out to do something with (e.g. send a signal). You … Continue reading
I had a miniature programming challenge earlier today, creating an algorithm to manipulate an array of integers in Ruby. The array can be any length, but it needed to be modified to contain a maximum of, say, 5 elements. So, … Continue reading
I’ve been involved in writing a rake task to migrate an old database schema to a similar but new schema in a Rails project. The new schema was similar enough that we could carry across all the primary keys from … Continue reading