Hacker News on 19 June 2009

• How to Write a Spelling Corrector
• Ask HN: good math books
• Freenode has blocked the Mibbit client permanently.
• Indie games: Still Too Cheap. Getting Cheaper.
• Being Crazy Is Noisy
• Google App Engine 1.2.3 released. Supporting Django 1.0
• No, 37Signals, Planning Is Not What You Think
• Paul Tudor Jones on Failure - Speech to 9th graders
• The California State of Mind (As a Cancer on Atlanta)
• PHP WTF: A PHP Annoyance Posted Every Day