Useful IO

How we set crazy goals and continually solve problems in the Meteor industry.

When to log an error and when to throw an error

I recently ran into an issue (https://github.com/xolvio/cleaner/issues/7) which got me thinking about thrown vs. logged errors. My tests were crashing because of an incompatibility between two meteor packages, one of which uses a capped mongo…

Debugging Your Deploy

Today I had to debug a very un-informative error:

npm ERR! 404 Registry returned 404 for GET on https://registry.npmjs.org/Excel-export
npm ERR! 404
npm ERR! 404 ‘Excel-export’ is not in the npm registry.
npm ERR! 404 Your package name is not valid, because
npm ERR…

Debugging your production database

Sometimes you’ve got a problem: There’s a bug, and you know there’s a bug, but you don’t know quite how to reproduce that bug on your development server because the bug depends on some state that only exists on your production system.