roadhouse

real=Sidekiq::Queue.new('realtime')
jobs= real.group_by {|i| i.args}
jobs.delete_if {|k,v| v.size == 1}
jobs.map {|k,v| v[0..(v.size-2)].map {|i| i.delete }}

roadhouse

class BinaryTree
  def initialize
    @root = nil
    @left_nodes = []
    @right_nodes = []
  end
  
  def insert(value)
    @root.nil? ? @root = TreeNode.new(value) : @root.insert(value)
  end

roadhouse

def xor_encrypt(string, key)
  string.bytes.map.with_index { |byte, index| (byte ^ key.bytes[index % key.length]).chr }.join
end