mks-m

% list of {type, flag} tuples
pack(List) -> pack(List, <<>>).

pack([], Ready) -> Ready;
pack([{Type, Flag}|Rest], Ready) ->
    Bit   = ?MODULE:Type(Flag) - 1,
    Size  = size(Ready) * 8,
    io:format("switch bit ~p in ~p bits~n", [Bit, Size]),
    switch(Bit, Size, Rest, Ready).

mks-m

-module(base32).
-export([encode/1, decode/1]).

encode(Binary) ->
  encode(Binary, <<>>).

encode(<<>>, To) -> To;
encode(<<B:1>>, To) -> <<To/binary, (symbol(B)), "====">>;
encode(<<B:2>>, To) -> <<To/binary, (symbol(B)), "=">>;
encode(<<B:3>>, To) -> <<To/binary, (symbol(B)), "=======">>;

mks-m

#!/bin/env ruby
require 'fileutils'

DRUPAL_MAJOR = 6

puts "Scanning for available drupal versions"

available = Dir['*'].map do |file|
  if file =~ /^drupal-#{DRUPAL_MAJOR}\.(\d+)$/
    $1.to_i

mks-m

class IO
  def each_lines_batch(batch_size=1000, buffer_size=4096)
    lines = []
    chunk = ""

    while data = file.read(buffer_size)
      chunk << data
      lines += chunk.lines.to_a

      # last line might not be read until it's end

mks-m

# Usage, assuming that production.log is your rails log
#
# $ tail -f production.log | grep Completed | ruby tailor.rb <estimate> <size>
#
# * estimate is estimated number of requests per second (make it 50% larger)
# * size is length of every stat block(second, minute, hour)

# a line to print out
#
# @accept [Integer] num number of requests

mks-m

# Generates infrastructure graph in DOT format
# Usage:
#   $ find . -name '*.pp' | while read file; do cat $file; echo; done | \
#     ruby graph.rb > puppet.dot

NODE     = /^\s*(class|define|node)(\s+)([\w:]+)/
RELATION = /^\s*(require|inherits|include)(\s+)([\w:]+)/
USAGE    = /^\s*([\w:]*[\w])(\s*)\{(\s*)/
IGNORE   = %w{file package service cron exec Exec line plugin}

mks-m

# just speed test for http://stackoverflow.com/questions/11502629/how-to-do-number-to-string-suffix/11502715#11502715

# if we properly test int<->str conversion the log_10 method is about 30% faster

begin
  int = 5

  a = Time.now.to_f
  10_000_000.times { int.to_s.ljust(3, "0").to_i }
  puts Time.now.to_f - a # => 1.3s

mks-m

create table mc (id int, member varchar(3));

insert into mc values (1, 'abc'), (1, 'pqr'), (2, 'xyz'), (2, 'pqr'), (3, 'pqr'), (3, 'abc');

Select id,count(*) as total from mc group by id having total=(Select count(*) from mc where id=1);

-- Result:
-- +------+-------+
-- | id   | total |
-- +------+-------+

mks-m

# Generates infrastructure graph in DOT format
# Usage:
#   $ find . -name '*.pp' | while read file; do cat $file; echo; done | \
#     ruby graph.rb > puppet.dot

NODE      = /^\s*(class|define|node)(\s+)([\w:]+)/
RELATION  = /^\s*(inherits|include)(\s+)([\w:]+)/
RELATION2 = /^\s*class(\s+)\{\s*(['"]?)([\w:]+)/
USAGE     = /^\s*([\w:]*[\w])(\s*)\{(\s*)/
IGNORE    = %w{file package service cron exec Exec line plugin user group class

mks-m

require 'rubygems'
require 'puppet/util/autoload'

class Puppet::Util::Autoload
  class << self
    def search_directories(env=nil)
      @search_directories ||= {}
      # cache only after initialization
      if Puppet.settings.app_defaults_initialized?
        @search_directories[env] ||= search_directories_uncached(env)