darktef

require 'benchmark'

n = 5 # Use any n you like
Benchmark.bmbm do |x|
  x.report("find by") { 
    n.times { User.find_by_name("Joe").id } 
  }
  x.report("select") { 
    n.times { User.find(:first, :select => :id, :conditions => ["name = ?","Joe"]).id } 
  }

darktef

How to run rake tasks from console

1. Rails.application.load_tasks
2. Rake::Task['my_task'].invoke

Side notes: You could use Rake::Task.task to show all the tasks in the console

Ref:

1. How to run rake tasks from console?
2. List all Rake tasks in Rails console

darktef

typeset -A newmap
newmap[111111111111]="IAD-Alpha"
newmap[222222222222]="IAD-Beta"


# echo ${newmap[111111111111]}
# for key ("${(@k)newmap}") printf 'key=%s value=%s\n' "$key" "$newmap[$key]"


for key ("${(@k)newmap}")