Rachel Shallit questions

Rachel Shallit answers

• Operating on Scala collections in generic way
• assert_no_template
• How does `let` work in Scheme?
• Class.superclass = Module, Module.class = Class?
• Limit "each" list in Rails
• Accent in Regular Expression in Java
• What is the best way to iterate over multiple lists at once? [duplicate]
• Scala Parser, why doesn't "pat <~ pat ~> pat" work?
• Rails equivalent of Django's "sites" framework?
• A subset of Context Free language is Context Free?