matthewrudy

#include <EEPROM.h>

#include <LiquidCrystal.h>

const int counterAddr = 0;


const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

matthewrudy

I am aware that they are slightly different, but I am too lazy to make the one in ActiveRecord do the same thing as Sequel. In general it seems Sequel would take the advantage of subqueries, but ActiveRecord might not.

In this case, it seems Sequel's SQL is faster than the one generated by ActiveRecord.

Sequel model:

class User < Sequel::Model(Sequel.connect(DATABASE_CONFIG))
  one_to_many :issues, :class => class_name(:Question),
    :dataset => lambda{

matthewrudy

## The quick-and-nasty CVE-2013-0156 Heroku inspector!
## Originally brought to you by @elliottkember with changes by @markpundsack @ Heroku
## Download and run using:
## ruby heroku-CVE-2013-0156.rb

apps = {}
 
`heroku list`.split("\n").each do |app|
  app = app.strip
  

matthewrudy

def get_course
  if params[:course] && course_id = params[:course][:id] 
    Course.find_by_id(course_id)
  end  
end

matthewrudy

require 'benchmark'

ITERATIONS = 1000000

Benchmark.bm(10) do |bench|
  0.upto(40) do |n|
    bench.report("chars: #{n}") do
      string = "n"*n
      ITERATIONS.times do
        string + 'x'

matthewrudy

class Floppy

  def metaclass
    class << self
      return self
    end
  end

  def metaclass_eval(&block)
    metaclass.class_eval(&block)

matthewrudy

# I'm creating some classes and modules on the fly, but things aren't hooking up quite the way I'd hoped.
# Can anyone explain why when an instance of Mod::Sibling tries to call Child.cry, that it
# doesn't call Mod::Child.cry, but instead looks for Behaviour::Child?

class Base
  def self.cry
    "#{self.name}.cry called!"
  end
end

matthewrudy

# 9 out of 10 microbenchmarks agree: implicit return smokes explicit return
require 'benchmark'

def with_explicit
  return 1
end

def with_implicit
  1
end

matthewrudy

irb(main):001:0>  name = "réunion-journalière"
=> "r\303\251union-journali\303\250re"
irb(main):002:0> File.open(name, 'w'){|f| f.write 'x' }
=> 1
irb(main):003:0> exit

$ ls -al
> total 36
> drwxr-xr-x  2 rlivsey rlivsey 4096 Jul  3 22:00 .
> drwxrwxr-x 10 rlivsey rlivsey 4096 Jul  3 12:20 ..

matthewrudy

>> vdaf = VacancyDownloadableApplicationForm.last
  VacancyDownloadableApplicationForm Load (0.122909)   SELECT * FROM `vacancy_downloadable_application_forms` ORDER BY vacancy_downloadable_application_forms.id DESC LIMIT 1
  VacancyDownloadableApplicationForm Columns (0.063622)   SHOW FIELDS FROM `vacancy_downloadable_application_forms`
=> #<VacancyDownloadableApplicationForm id: 54228, vacancy_id: 53520, attachment_id: 3104, name: "Welwyn Hatfield Council - Standard">
>> vdaf.downloadable_application_form
  DownloadableApplicationForm Columns (0.027216)   SHOW FIELDS FROM `uploaded_files`
  DownloadableApplicationForm Load (0.042126)   SELECT * FROM `uploaded_files` WHERE (`uploaded_files`.`id` = 3104) AND ( (`uploaded_files`.`type` = 'DownloadableApplicationForm' ) ) 
=> #<DownloadableApplicationForm id: 3104, file_name: "568.pdf", file_type: "pdf", type: "DownloadableApplicationForm", name: nil, organisation_id: nil, jgp4_id: nil, originated_from: nil>