Today's hint: If you're running a Rails app on Debian, and ActionMailer is failing with mysterious "Net::SMTPAuthenticationError: 535 5.7.0 Error: authentication failed: generic failure" errors, check to make sure the saslauthd service is running.

  • The Rubyist - New technical magazine with a Ruby bent. Available for $8 in print or $3 in PDF.

  • RestClient 0.6 - Now including an interactive shell that lets you replace curl with this Ruby-speaking package.

  • Google Maps API Tutorial - Tons of information, better organized than on the official site.

  • Prawn 0.1.0 - New pure-Ruby library for PDF generation.