Chris Heald questions

Chris Heald answers

• Why do my Rails 2 routes have query strings?
• Why must I .read() a file I wrote before being able to actually output the content to the terminal?
• How to search in a large JSON array and find records by multiple keys
• MongoDB Ruby driver - `synchronize': can't be called from trap context
• frame, thread, and some other jargons in ruby-debug gem, what do they mean?
• regex to strip all html tags except span tag
• Conceptualizing Enumerators and Lazy Enumerators in Ruby
• List the maximum or minimum of the elements at each position of two arrays
• Why are there different Ruby On Rails versions?
• running mongoDB in a web hosting