amnn questions

amnn answers

• Time complexity of construction of a binary tree from inorder and preorder traversals
• Local dependency cannot be resolved
• Building a Rails scope using `tap`
• JS-style async/non-blocking callback execution with Ruby, without heavy machinery like threads?
• How to push to remote after a git rebase?
• Passing custom vertex structure to GLSL shaders
• Idiomatic Scala for applying functions in a chain if Option(s) are defined
• Match multiple yields in any order
• Understand how to use apply and unapply
• The difference between initialize and self.new