Learnings for Week 24 2010

• Latest Rails 3 beta doesn’t work in ruby 1.9.1, as stated in the release notes
• Mongrel doesn’t build in Ruby 1.9.2.preview3 on Snow Leopard (for me at least)
• Factory Girl factories don’t autoload in Rails 3 anymore, do it yourself or use factory_girl_rails gem
• Colored grep: grep —color=auto
• Vim visual block I ctrl-r-+ to insert copied text
• IRB.conf[:SAVE_HISTORY] = 100
• :set spell in Vim to turn on spell checking
• Ruby do…while loop begin; code; end while(true)