Changeset 6294

Timestamp:

02/06/08 20:14:40 (5 years ago)

Author:

akio0911

Message:

coderepos/dan/ruby/ add some lines

Files:

• dan/ruby/akio0911/rails.rb (modified) (2 diffs)

dan/ruby/akio0911/rails.rb

@@ -48 +48 @@
 =end
 
-
-
-
-
-
+=begin
+p 'name'
+p :name
+=end
+
+=begin
+p "name".object_id == "name".object_id
+p :name.object_id == :name.object_id
+=end
+
+=begin
+p "name".class
+p "name".intern.class
+p :name.object_id == "name".object_id
+p :name.object_id == "name".intern.object_id
+=end
+
+=begin
+p [1, 2, 3]
+p [:num, 10]
+=end
+
+=begin
+p %w(a b c)
+=end
+
+=begin
+array = [1, 2, 3, 4]
+p array.size # 4
+p array[0] # 1
+p array[1,3] # [2, 3, 4]
+p array[4] # nil
+p array[-1] # 4
+p array[0..2] # [1, 2, 3]
+
+p [3,1,2].sort # [1, 2, 3]
+p %w( a b c ).join(',') # "a,b,c"
+
+array = [1,2,3,2]
+array.uniq!
+p array # [1, 2, 3]
+
+[1,2].each{ |i| puts i }
+p [1,2].map{ |i| i*10 } # [10, 20]
+p [1,2].push(:a) # [1, 2, :a]
+=end
+
+=begin
+valids = { 0 => '無効', 1 => '有効' }
+hosts = {
+  "localhost" => "127.0.0.1",
+  "router" => "192.168.0.1",
+}
+
+p hosts["router"] # "192.168.0.1"
+hosts["router"] = nil
+p hosts["router"] # nil
+=end
+
+=begin
+options = {
+  :root => 1,
+  :elements => ['a', 'b', 'c'],
+  "status" => "OK",
+  200 => :ok,
+}
+=end
+
+=begin
+hash = { :a=>1, :b=>2}
+p hash.size # 2
+p hash[0] # nil
+p hash['a'] # nil
+p hash[:a] # 1
+p hash.keys # [:a, :b]
+p hash.values # [1, 2]
+
+hash.each_pair do |key, val|
+  puts "key=#{key}, val=#{val}"
+end
+# key=a, val=1
+# key=b, val=2
+=end
+
+=begin
+flag = 0
+if flag
+  puts "execute"
+end
+=end
+
+=begin
+print "処理を開始します" if verbose?
+
+if verbose?
+  print "処理を開始します"
+end
+=end
+
+=begin
+def hello1
+  "hello!"
+end
+
+def hello2
+  return "hello!"
+end
+
+p hello1() # "hello!"
+p hello2() # "hello!"
+=end
+
+=begin
+def hello(name)
+  puts "こんにちは、#{name}さん"
+end
+
+hello("ruby") # こんにちは、rubyさん
+hello "ruby" # こんにちは、rubyさん
+=end
+
+=begin
+def hello
+  "メソッドからこんにちは"
+end
+
+hello = "変数でハロー"
+p hello
+=end
+
+=begin
+def hello
+  "メソッドからこんにちは"
+end
+
+hello = "変数でハロー"
+puts hello
+puts hello()
+=end
+
+=begin
+link_to "詳細", :action=>"show", :id=>8
+link_to("詳細", :action=>"show", :id=>8)
+link_to("詳細", {:action=>"show", :id=>8})
+
+options = {
+:action => "show",
+:id => 8
+}
+link_to("詳細", options)
+
+foo("test", :name=>"ruby", 1) # SyntaxError
+
+link_to "詳細", {:action=>"show", :id=>8}, :title=>"click"
+=end
+
+=begin
+p 1 + 1 # 2
+block = Proc.new{ 1 + 1 }
+p block.call # 2
+=end
+
+=begin
+def foo
+  yield
+end
+
+#p foo{ 1+1} 2
+#foo # LocalJumpError
+=end
+
+=begin
+def foo (&block)
+  block.call
+end
+
+foo {  p :ok }
+=end
+
+=begin
+sum = Proc.new{ |a,b| a+b }
+p sum.call(1,2) # 3
+=end
+
+=begin
+[1,2,3].each{ |i| p i }
+p [1,2,3].map{ |i| i.to_s } # ["1", "2", "3"]
+p (1..10).select{ |i| i%2 == 0 } # [2, 4, 6, 8, 10]
+=end
+
+=begin
+class Array
+  def each
+    size.times {|i| yield(self[i])}
+  end
+
+  def collect
+    converted = []
+    each { |e| converted << yield(e) }
+    return converted
+  end
+
+  def select
+    selected = []
+    each { |e| selected << e if yield(e)}
+    return selected
+  end
+end
+=end
 
 =begin
@@ -66 +270 @@
 =end
 
+=begin
+module Foo
+  class Bar
+  end
+end
+=end
+
+=begin
+p $LOAD_PATH
+$LOAD_PATH << "lib"
+p $LOAD_PATH
+$LOAD_PATH.unshift "lib"
+p $LOAD_PATH
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+$: << 'lib'
+#bar = Foo::Bar.new
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+p "Rails".underscore # "rails"
+p "ActiveRecord".underscore # "active_record"
+p "Active1Record".underscore # "active1_record"
+p "Active1record".underscore # "active1record"
+p "ToDoList".underscore # "to_do_list"
+p "XML".underscore # "xml"
+p "XML2".underscore # "xml2"
+p "XMLdata".underscore # "xm_ldata"
+p "XMLData".underscore # "xml_data"
+p "XML2Data".underscore # "xml2_data"
+p "Iso2022jpMailer".underscore # "iso2022jp_mailer"
+=end
+
+=begin
+require 'rubygems'
+require 'active_support'
+p "Admin::SuperUser".underscore # "admin/super_user"
+p "admin/super_user".classify # "Admin::SuperUser"
+=end