| # In order for gpg to find gpg-agent, gpg-agent must be running, and there must be an env | |
| # variable pointing GPG to the gpg-agent socket. This little script, which must be sourced | |
| # in your shell's init script (ie, .bash_profile, .zshrc, whatever), will either start | |
| # gpg-agent or set up the GPG_AGENT_INFO variable if it's already running. | |
| # Add the following to your shell init to set up gpg-agent automatically for every shell | |
| if [ -f ~/.gnupg/.gpg-agent-info ] && [ -n "$(pgrep gpg-agent)" ]; then | |
| source ~/.gnupg/.gpg-agent-info | |
| export GPG_AGENT_INFO | |
| else |
By default, Rails applications build URLs based on the primary key -- the id column from the database. Imagine we have a Person model and associated controller. We have a person record for Bob Martin that has id number 6. The URL for his show page would be:
/people/6
But, for aesthetic or SEO purposes, we want Bob's name in the URL. The last segment, the 6 here, is called the "slug". Let's look at a few ways to implement better slugs.