wvanbergen

---------------------------------------------
ChunkyPNG (0.10.2) decoding benchmark (n=20)
---------------------------------------------

                          ChunkyPNG        OilyPNG
PNG - no filtering      (  1.056832)   (  0.078345)
PNG - UP filtering      (  3.327986)   (  0.078387)
PNG - PAETH filtering   (  7.499367)   (  0.089143)
From RGBA pixelstream   (  0.032571)   (  0.035790)

wvanbergen

#!/usr/bin/env ruby

# Converts an InnoDB database that uses a shared InnoDB tablespace file (e.g. ibdata1) to use
# a separate file per table.
#
# - First change your my.cnf file to use separate files by adding "innodb_file_per_table" to 
#   the [mysqld] section. (This is safe: MySQL will revert to the giant file if it cannot find
#   the per table file.)
# - Restart the MySQL server
# - cd to the directory of your database (cd /opt/mysql/data/mydb)

wvanbergen

crypto   = require 'crypto'

MessageVerifier =
  
  serializer: JSON.stringify
  deserializer: JSON.parse
  
  generate: (data, secret, algorithm) ->
    algorithm ?= 'sha1'
    base64 = (new Buffer(MessageVerifier.serializer(data))).toString('base64')

wvanbergen

1Using worker: ruby3.worker.travis-ci.org:ruby-3
2
3
4
5
6I'm sorry but an error occured within Travis while running your build.
7
8We are continuosly working on test run stability, please email support@travis-ci.org if this error persists.
9
10Below is the stacktrace of the error:

wvanbergen

require 'chunky_png'
  
filename = 'image.png'
img = ChunkyPNG::Datastream.from_file(filename)

# The header chunk contains the information you are looking for
p img.header_chunk
# => #<ChunkyPNG::Chunk::Header:0x007fb3858a50f8 @type="IHDR", @width=8, @height=8, @depth=8, @color=3, @compression=0, @filtering=0, @interlace=1>

puts img.header_chunk.depth # bit depth per color channel, e.g. 8 (i.e. 24 bits for RGB, 32 bits for RGBA)

wvanbergen

require 'yaml'

data = YAML.load(`system_profiler SPHardwareDataType SPDisplaysDataType`)

puts "Computer serial number: " + data['Hardware']['Hardware Overview']['Serial Number (system)']

data['Graphics/Displays'].each do |video_card, properties|
  if properties['Displays']
    properties['Displays'].each do |display_name, properties|
      puts "#{display_name}: #{properties['Display Serial Number']}" if display_name =~ /Cinema/

wvanbergen

#!/bin/sh

# Modify the source and target variables, and run:
# $./transfer table_name

# Note that this will only run on the same machine as the target MySQL server machine.

SOURCE_MYSQL_HOST=
SOURCE_MYSQL_PORT=
SOURCE_MYSQL_USERNAME=

wvanbergen

$ bundle install
[ ... ]
Your bundle is complete! It was installed into /Users/willem/.rvm/gems/ruby-1.9.2-p0


$ rails s
/Users/willem/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems.rb:238:in `activate': can't activate i18n (~> 0.4.1, runtime) for ["mail-2.2.10", "actionmailer-3.0.3", "rails-3.0.3"], already activated i18n-0.5.0 for ["activemodel-3.0.3", "actionpack-3.0.3", "rails-3.0.3"] (Gem::LoadError)
	from /Users/willem/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems.rb:254:in `block in activate'
	from /Users/willem/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems.rb:253:in `each'
	from /Users/willem/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems.rb:253:in `activate'

wvanbergen

---------------------------------------------
ChunkyPNG (0.10.0) encoding benchmark (n=10)
---------------------------------------------

Autodetect (indexed)   0.860000   0.000000   0.860000 (  0.856220)
:no_compression        0.490000   0.000000   0.490000 (  0.488724)
:fast_rgba             0.140000   0.000000   0.140000 (  0.143066)
:fast_rgb              0.140000   0.000000   0.140000 (  0.143170)
:good_compression      0.470000   0.010000   0.480000 (  0.476883)
:best_compression      1.880000   0.000000   1.880000 (  1.877189)

wvanbergen

~ $ request-log-analyzer production.log   # Analyze production.log
      --format custom_file_format.rb      # Use custom file format
      --reject account_type free          # Ignore requests from free accounts
      --select locale en-US               # Only look at en-US locale requests
      --output HTML --file report.html    # Generate an HTML report as report.html