Setting up a Ruby dev environment on Bowery.io

EDIT: Apparently it’s not possible to run docker inside a Bowery instance because Bowery uses docker and docker has a hard time running inside a docker container - see this post on the forum

How your base PATH gets generated in OSX

On OSX and linux it seems to be fairly common practice to totally define the PATH in a .profile or .bashrc file. This gives total control over the order in which various locations are searched through. Here’s the line from my .profile:

How to not break permalinks in WordPress

I’ve written a blog post for work about how much you can and can’t mess around with urls in WordPress before old links stop working. It boils down to 5 rules:

Managing identity in git

When using git, your commits are labelled with your name and email address. These are usually based on the user.name and user.email fields in a global .gitconfig file in your home directory, ensuring that these values are always available.

Pivotal talk: data-informed product decisions

http://www.meetup.com/Pivotal-Labs-Tech-Talks/events/213571202/

Migrating Postgres data from an old Rails project to a new one

TL;DR - this was my approach:

Creating a new app on heroku really is stupidly easy

heroku apps:create swingoutlondon2 --region eu
git push heroku master
heroku run rake db:migrate

A better way of writing commit messages

I’ve always tended to write commit messages by answering the question “What did I do?”, but I learned a different approach recently which tends to produce much more expressive commits, which are often more terse as well. Compare the following:

Useful rake tasks in Rails

When inside any directory with a Rakefile, you can bring up the list of available rake tasks with rake -T

Matching on a final segment of a string

when matching on the final segment of a string, e.g for a file extension, you could use a regular expression: