ulver questions

• Find ASCII "arrows" in text
• vim unmap everything (completely stripped down vim)
• How are regular and composite indexes implemented in RDBs?
• How to find "essential" methods to provide an interface of Ruby mixins?
• How to test things in crontab
• Writing an OS for Motorola 68K processor. Can I emulate it? And can I test-drive OS development?
• git: Find all uncommitted locals repos in a directory tree
• Ruby escape ARGV argument or string as argument to shell command

ulver answers