Using Charles proxy to debug live code

We had an interesting bug today on our Marketplace development server where the new Firefox Accounts (FxA) integration we're working on didn't work correctly under FFOS »

Debugging Elusive Puppet Errors

On working on some puppet manifests I hit this error message: $ sudo puppetd -t err: Could not retrieve catalog from remote server: undefined method `closed?' »

Python: Debugging with PDB

Debugging anything can be a real pain in the backside. However with the right tools (think firebug) it actually can become enjoyable. The other day Rob, »