Changeset 6348 for dan

Timestamp:

02/07/08 21:02:07 (10 months ago)

Author:

akio0911

Message:

dan/ruby/akio0911/rails.rb add some lines

Files:

• dan/ruby/akio0911/rails.rb (modified) (1 diff)

dan/ruby/akio0911/rails.rb

@@ -314 +314 @@
 p "admin/super_user".classify # "Admin::SuperUser"
 =end
+
+=begin
+require 'rubygems'
+require 'active_support'
+p 1.second # 1 second
+p 2.minutes + 30.seconds # 150 seconds
+p 4.hours + 32.minutes # 16320 seconds
+p 10.months + 10.days # 10 months and 10 days
+p 1.week # 7 days
+p 1.fortnight # 14 days
+p 1.month # 1 month
+p 1.year # 1 year
+
+p Time.now # Thu Feb 07 15:16:29 +0900 2008
+p 10.minutes.ago # Thu Feb 07 15:06:45 +0900 2008
+p 20.minutes.from_now # Thu Feb 07 15:37:05 +0900 2008
+p 7.days.ago(Time.mktime(2006,1,1)) # Sun Dec 25 00:00:00 +0900 2005
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+p 14.bytes # 14
+p 2.kilobytes # 2048
+p 256.megabytes # 268435456
+p 1.gigabytes # 1073741824
+p 1.gigabyte.class # Bignum
+p 2.terabytes # 2199023255552
+p 512.petabytes + 1.exabyte # 1729382256910270464
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+p now = Time.mktime(2007, 6, 5, 4, 32) # Tue Jun 05 04:32:00 +0900 2007
+p (now + 3.days).midnight # Fri Jun 08 00:00:00 +0900 2007
+p now.next_month.beginning_of_month # Sun Jul 01 00:00:00 +0900 2007
+p now.end_of_month # Sat Jun 30 23:59:59 +0900 2007
+p Time.days_in_month(2, 2000) # 29
+p now.seconds_since_midnight # 16320.0
+p now.change(:year=>2005, :month=>6) # Sun Jun 05 04:32:00 +0900 2005
+p now.advance(:months=>-1, :days=>3) # Tue May 08 04:32:00 +0900 2007
+p now.months_ago(10) # Sat Aug 05 04:32:00 +0900 2006
+p now.last_year # Mon Jun 05 04:32:00 +0900 2006
+p now.next_year # Thu Jun 05 04:32:00 +0900 2008
+p now.last_month # Sat May 05 04:32:00 +0900 2007
+p now.next_month # Thu Jul 05 04:32:00 +0900 2007
+p now.beginning_of_week # Mon Jun 04 00:00:00 +0900 2007
+p now.next_week(:friday) # Fri Jun 15 00:00:00 +0900 2007
+p now.beginning_of_day # Tue Jun 05 00:00:00 +0900 2007
+p now.midnight # Tue Jun 05 00:00:00 +0900 2007
+p now.beginning_of_month # Fri Jun 01 00:00:00 +0900 2007
+p now.end_of_month # Sat Jun 30 23:59:59 +0900 2007
+p now.beginning_of_quarter # Sun Apr 01 00:00:00 +0900 2007
+p now.beginning_of_year # Mon Jan 01 00:00:00 +0900 2007
+p now.yesterday # Mon Jun 04 04:32:00 +0900 2007
+p now.tomorrow # Wed Jun 06 04:32:00 +0900 2007
+=end
+
+=begin
+class Symbol
+  def to_proc
+    Proc.new { |obj, *args| obj.send(self, *args) }
+  end
+end
+=end
+
+=begin
+array = [1,2,3]
+p array.map{ |i| i.to_s } # ["1", "2", "3"]
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+array = [1,2,3]
+array.map(&:to_s)
+p array # [1, 2, 3]
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+array = [1,2,3]
+block = :to_s
+p array.map(&block)
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+array = [1,2,3]
+block = :to_s
+p array.map{ |obj| obj.send(:to_s)}
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+array = [1,2,3]
+p array.map{ |obj| obj.to_s }
+=end
+
+=begin
+members = Member.find(:all)
+ids = members.map(&:id)
+names = members.map(&:name)
+=end