Learnings for Week 16 2010

Learnings for the past week. It was a busy one.

• rvm uninstall leaves build files
  • rvm remove gets rid of everything
• Firefox on Ubuntu gets thin black borders around images that are resized in html/css
  • Adding some transparency to the edges of the images fixes
• rails i18n translation keys can’t have ‘.’ in them, even if escaped
• -webkit-user-select/-moz-user-select:none; to disable selection on a webpage
• Webkit doesn’t allow keyboard entry to 0 height inputs
• Firefox and Webkit don’t allow keyboard entry to invisible inputs (display:none)
• jQuery fadeOut doesn’t work on some (circle, line) svg elements in Webkit
• jQuery.keypad on multiple inputs should check if the keyboard target is changing before updating the keypad (huge performance gains)
• git cherry lists commits that don’t exist in another branch. Compares the changeset, not commit ids
• gem install -f will install gem even if dependencies can’t be met
• apt-get build-dep ruby1.8 will get you all the ruby build dependencies
• git checkout -t -b BRANCH origin/BRANCH will checkout and track a remote branch