luikore

/*

benchmark with gtime -f "%M"

pool alloc:

time: 0.028571
22331392

malloc:

luikore

Mysql doesn't auto lock or version lock records when select in repeatable read transactions. While PG can forbid concurrent updates.

The test table DDL in PG:

create table articles (
  "id" serial,
  "n" integer
);

luikore

http://ruby-china.org/topics/16256

get https://github.com/mvj3/hangman/blob/master/data/words.txt

and compile the decision tree.json

ruby compile.rb

luikore

import java.security.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.io.*;

class aes{
    static byte[] ptext;
    static SecretKeySpec key;

    public static void main(String[] args) throws Exception {

luikore

#!/usr/bin/env ruby 

name = File.basename ENV['TM_FILENAME']
name = name.dup
name[/\.rb$/] = ''

names = []
File.read(File.join(ENV['TM_PROJECT_DIRECTORY'], 'db/schema.rb')).scan(/(  create_table "(\w+).*?  end)/m) do |s, n|
  names << [n.size, s] if n.start_with?(name)
end

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def f n
  half = n / 2
  table = Hash.new 0
  ('0' * half).upto '9' * half do |s|
    sum = s.chars.map(&:to_i).inject(:+)
    table[sum] += 1
  end
  r = 0
  table.each do |_, v|
    r += v*v

luikore

# simulate template rendering
class Template < Struct.new(:name)
  def render
    puts "#{name}_begin"
    r = "#{name}_begin\n"
    r << yield if block_given?
    puts "#{name}_end\n"
    r << "#{name}_end\n"
  end
end

luikore

#! /usr/bin/env ruby
str = $stdin.read
if RUBY_VERSION < '1.9'
  print str
  exit
end

str.force_encoding 'utf-8'
str.gsub! /(\p{Han})([a-zA-Z0-9\(\)\[\]\{\}])/u do
  "#$1 #$2"

luikore

class S < Struct
  def inspect
    pretty_inspect # may be not defined yet, don't alias
  end

  def pretty_print(q)
    q.group(1, sprintf("<%s", PP.mcall(self, Kernel, :class).name.split('::').last), '>') {
      q.seplist(PP.mcall(self, Struct, :members), lambda { q.text "," }) {|member|
        q.breakable
        q.text member.to_s

luikore

RSpec.configure do |config|
  if config.formatters.first.class.to_s =~ /TextMate/
    def puts *xs
      xs.each do |x|
        $stdout.puts "<pre style='word-wrap:break-word;word-break:break-all;'>#{CGI.escape_html x.to_s}</pre>"
      end
      nil
    end

    def print *xs