kyanagi

module ActiveRecord::ConnectionAdapters::SchemaStatements
  alias orig_add_index add_index
  def add_index(table_name, column_name, options = {})
    orig_add_index(table_name, column_name, options || {})
  end
end

kyanagi

# create table users (id integer auto_increment, primary key (id));
# create table items (id integer auto_increment, user_id integer, primary key (id));
# insert into users (id) values (1);
# insert into items (user_id) values (1);

% cat a.rb
require 'rubygems'
require 'active_support/dependencies'
require 'active_record'

kyanagi

instance_eval <<_E
  puts "\xe3\x81\x82".encoding # => ASCII-8BIT
_E

instance_eval <<_E
# coding: utf-8
  puts "\xe3\x81\x82".encoding # => UTF-8
_E

kyanagi

ä
<%= @str %>

kyanagi

;; find-fileで*Completions*バッファに`../'と`./'を出さない
(defun find-file-read-args (prompt mustmatch)
  (list (read-file-name prompt nil default-directory mustmatch nil
                        (lambda (name)
                          (and (file-exists-p name)
                               (not (member name '("../" "./"))))
                          ))
        t))

kyanagi

--- /usr/share/zsh/4.3.12/functions/VCS_INFO_bydir_detect       2011-08-08 04:59:41.001000000 +0900
+++ VCS_INFO_bydir_detect       2012-01-19 21:52:35.293434600 +0900
@@ -6,7 +6,7 @@
 local dirname=$1
 local basedir="." realbasedir file
 
-realbasedir="$(VCS_INFO_realpath ${basedir})"
+realbasedir="${basedir:A}"
 while [[ ${realbasedir} != '/' ]]; do
     [[ -r ${realbasedir} ]] || return 1

kyanagi

a='VWXYZ'
${(l:3::abcdefg::1234567890:)a}  # => XYZ
${(l:10::abcdefg::1234567890:)a} # => 67890VWXYZ
${(l:20::abcdefg::1234567890:)a} # => cdefg1234567890VWXYZ
${(r:3::abcdefg::1234567890:)a}  # => VWX
${(r:10::abcdefg::1234567890:)a} # => VWXYZ12345
${(r:20::abcdefg::1234567890:)a} # => VWXYZ1234567890abcde

kyanagi

function f {
  local s='old'
  echo -n "${(r:15:: :)1}${(e)1}"
  s=''
  echo -n "\t${(e)1}"
  unset s
  echo -n "\t${(e)1}"
  echo
}

kyanagi

s
k
t
h
ka
m
sh
n
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ko

kyanagi

#!/usr/bin/env ruby
# usage: skk2migemo.rb SKK-JISYO.JIS3_4 > migemo-dict.jis3_4
require 'iconv'
dict = Hash.new{[]}
ARGF.each_line do |line|
  line.chomp!
  line = Iconv.conv('UTF-8', 'EUC-JISX0213', line)
  next if line =~ /\A;/
  if line =~ /\A([^ ]+) +(.*)\z/
    key, value = $1, $2