dchentech

rvm install ree --with-iconv-dir=$rvm_path/usr --with-readline-dir=$rvm_path/usr --with-zlib-dir=/usr --with-openssl-dir=/usr/local

dchentech

# 把部分latin1编码的mysql表转化为UTF8编码

ActiveRecord::Base.connection.tables.select do |t|
  ActiveRecord::Base.connection.execute("show create table #{t}").to_a[0][1].match(/CHARSET=latin1/)
end.each do |t|
  ActiveRecord::Base.connection.execute("alter table #{t} CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;")
end

dchentech

# 一个简单的姓名拼音匹配
#
# 姓名一般是由两三个汉字组成，选其顺序且连续的拼音缩略的组合就算匹配成功。
#
require 'chinese_pinyin'
@name = "成吉思汗"
pinyins = Pinyin.t(@name).split

# 把姓名生成对应的拼音数组
array = []

dchentech

Makefile
*bundle
*o

dchentech

binary_search.rbc

dchentech

def nil.hello world
  world
end

def method_rescue o
  begin
    nil.send(:hello)
  rescue
  end
end

dchentech

File.read('number.txt').split("\n").select {|str| (str[4] == str[6]) && (str[8] == str[10]) }.reject {|str| str.match(/4/) }.map(&:strip)

dchentech

xml.feed(:xmlns => "http://www.w3.org/2005/Atom") { |feed|
  feed.title("#{user.name}'s Private Notification Feed")
  feed.link(:href => "http://#{account.subdomain}.domain.com/feeds/#{user.email_alias}.xml", :rel => "self")
  feed.link(:href => "http://#{account.subdomain}.domain.com")
}

dchentech

production:
  listen: 0.0.0.0:9312
  address: 0.0.0.0 # 对应的安装了searchd(sphinx)的mysql服务器ip
  port: 9312 # 对应的安装了searchd(sphinx)的mysql服务器端口
  bin_path: '/usr/local/bin'
  searchd_file_path: '/data/sphinx/production'
  query_log_file: '/data/sphinx/log/searchd.query.log'
  searchd_log_file: '/data/sphinx/log/searchd.log'
  exceptions: '/data/sphinx/log//exception.log'
  enable_star: true # 支持通配符匹配

dchentech

# http://www.bjt.name/2011/06/beautiful-math-triangle-r/
proc do |line|
  (1..line).each do |num|
    puts "#{' '*(line - num)}#{('1'*num).to_i**2}"
  end
end.call((ARGV[0] || 36).to_i)