1
2
3
4

h = Hash.new([])
h[:a].object_id # => 9762120
h[:b].object_id # => 9762120
...

1
2
3
4

a ||= Hash.new([])  # default value for non-existing keys is now an empty array, unless a was already defined

a[:k] # => []
...

1
2
3
4

module DashboardHelper
  def activity_message_for(object)
    render :partial => "#{object.class.name.downcase.pluralize}/activity"
...

1
2
3
4

a = Hash.new{|h,k| h[k] = Array.new { nil } }

a[:k] # => []
...

1

a = a[:k][0] || 1 rescue 1

1

a ||= {} ; a[:k] ||= []; v = a[:k][0]  ||  1

1
2
3
4

module Enumerable
  def cluster
    c=inject(Hash.new(0)){|h,i|h[i]+=1;h}
...

1
2
3
4

puts "Yes means No and No means Yes. Delete all files [Y]?"

...

1
2
3
4

module Enumerable
  def cluster
    self.uniq.sort.map { |u| self.select { |v| u == v } }
...

1
2
3
4

module DashboardHelper
  def activity_message_for(object)
    render :partial => "#{object.class.name.downcase}/_#{object.class.name.downcase}_activity"
...

1
2
3
4

module DashboardHelper

  def activity_message_for object
...

1

b(lockquote)?

1
2
3
4

 public Parameter parm(string str1, string str2)
    {
        comm.Parameters.Add(str1, SqlDbType.BigInt);
...

1
2
3

#!/usr/bin/perl
use strict;
...

1
2
3
4

#!/usr/bin/perl
use strict;
use warnings;
...

1
2
3
4

def self.find_by_url_like(url)
  # make sure url has a scheme before URI parses
  uri = url.match(/^https?:\/\//) ? URI.parse(url) : URI.parse("http://#{url}") 
...

1
2
3
4

module Enumerable
  def cluster
    inject(Hash.new) do |all, one|
...