michaelfairley

Play this game by pasting the script in http://www.puzzlescript.net/editor.html

michaelfairley

use std::mem;
use std::ptr;

fn spooky(_data: &[f32; 3]) {
  // This function does nothing. Calling it should have no effect on the program.
}

pub fn main() {
  let data1 = [1.0, 2.0, 3.0];
  let data2 = [1.0, 2.0, 3.0];

michaelfairley

$ curl -Ss "https://www.howsmyssl.com/a/check" | jsonpp
{
  "given_cipher_suites": [
    "TLS_DHE_RSA_WITH_AES_256_CBC_SHA",
    "TLS_DHE_DSS_WITH_AES_256_CBC_SHA",
    "TLS_RSA_WITH_AES_256_CBC_SHA",
    "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA",
    "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA",
    "TLS_RSA_WITH_3DES_EDE_CBC_SHA",
    "TLS_DHE_RSA_WITH_AES_128_CBC_SHA",

michaelfairley

$ curl -v https://rubygems.global.ssl.fastly.net/
* About to connect() to rubygems.global.ssl.fastly.net port 443 (#0)
*   Trying 199.27.73.185...
* Connection refused
* couldn't connect to host
* Closing connection #0
curl: (7) couldn't connect to host

$ curl -v http://rubygems.global.ssl.fastly.net/
* About to connect() to rubygems.global.ssl.fastly.net port 80 (#0)

michaelfairley

Pong

Gosu

Libraries to use with Gosu

• Hasu
• Metro
• Gamebox
• Chingu
• Chipmunk

michaelfairley

$ ruby -v
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin11.4.2]
$ time ruby open_timeout.rb
/Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `initialize': execution expired (Timeout::Error)
  from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `open'
	from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `block in connect'
	from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:762:in `connect'
	from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:755:in `do_start'
	from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:744:in `start'
	from /Users/michaelfairley/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:1284:in `request'

michaelfairley

-module(bowling).
-export([main/1]).

main(_) ->
    test().

test() ->
    % empty
    [] = score([]),
    % boring

michaelfairley

source "https://rubygems.org"

gem 'mutant', '0.3.0.beta17'
gem 'rspec', '2.14.1'

michaelfairley

Immutable Ruby

Libraries I talked about

• ice_nine: Deep freeze ruby objects
• Values: Simple immutable value objects for ruby
• immutable_attributes: specify attributes within an ActiveRecord model that can be set but not modified
• hamster: Efficient, Immutable, Thread-Safe Collection classes for Ruby

Next Steps

michaelfairley

class A
  def self.set
    @x = "hello"
  end

  def self.get
    @x || "byebye"
  end
end