Peter Goldstein questions

Peter Goldstein answers

• SPF, DKIM and DMARC all set but dmarc-reports keep saying the opposite
• Rspec - Test that rails view renders a specific partial
• Using Tempfile to create a zip file in rails
• Production entry for rails database.yml file on Heroku
• rails 4, link_to not working with destroy action when jquery, jquery_ujs is required
• Getting ffmpeg to work with Heroku
• Rails rake updating issue - Could not find rake-10.4.2 in any of the sources
• Rails 4: Group by Month
• Are sites without wildcard SPF records vulnerable to subdomain spoofing attacks?
• Setting up travis.ci with Rails and Postgres