Robert Rouse rrouse
rrouse
/ gist:2023264
Created
March 12, 2012 16:46
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| Aaron Tenderlove Patterson (<Your Birthdate> – ) is an American educator, software developer, and awesome guy. | |
| Patterson is most famous for Ruby and Rails core, his god-among-men beard, and creating and hosting Friday Hugs, which feature his gentle, | |
| soft-spoken personality and directness to his audiences. |
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| int fib(int n) { | |
| if (n <= 1) return n; | |
| return fib(n - 1) + fib(n - 2); | |
| } | |
| main() { | |
| print('fib(20) = ${fib(20)}'); | |
| } |
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| /* | |
| Today I learned a few things. | |
| 1). D allows default parameters to appear at the beginning of a function signature if you want. | |
| 2). D can simulate Ruby blocks to an extent. | |
| */ | |
| import std.stdio; |
rrouse
/ mixinsarefun.d
Created
February 21, 2012 20:11
D is very interesting. Here is some compile time "magic" to produce methods by taking the name of the class passed in and lowercasing it. I can pretend to have ActiveRecord now!
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| import std.stdio, std.string; | |
| mixin template has_one(T, string name = null) { | |
| T _method() { | |
| T thing = new T(); | |
| return thing; | |
| } |
rrouse
/ gist:1853794
Created
February 17, 2012 14:29
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| 1.9.3-p0 :031 > Bundler.definition.specs.each do | gem| | |
| 1.9.3-p0 :032 > puts gem | |
| 1.9.3-p0 :033?> end | |
| #<Gem::Specification name=rake version=0.9.2.2> | |
| #<Gem::Specification name=i18n version=0.6.0> | |
| #<Gem::Specification name=multi_json version=1.0.4> | |
| #<Gem::Specification name=activesupport version=3.2.1> | |
| #<Gem::Specification name=builder version=3.0.0> | |
| #<Gem::Specification name=activemodel version=3.2.1> | |
| #<Gem::Specification name=erubis version=2.7.0> |
rrouse
/ gist:1850312
Created
February 17, 2012 03:25
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| Bundler.definition.index do |gem| | |
| puts "#{gem.name}: #{gem.version}" | |
| end |
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| class point = | |
| object | |
| val mutable x = 0 | |
| method get_x = x | |
| method move d = x <- x + d | |
| end;; | |
| let p = new point;; |
rrouse
/ gist:1817833
Created
February 13, 2012 15:58
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| app = Rails.application | |
| session = ActionDispatch::Integration::Session.new(app) | |
| session.admin_user_path(@user) |
rrouse
/ activemodel_observing.rb
Created
January 31, 2012 21:02
Coworker is building an ORM around Cassandra. He couldn't get ActiveModel::Observers working. So I read code and wrote him this example. Reading code to learn how things work to teach others is fun!
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| require 'active_model' | |
| class Foo | |
| include ActiveModel::Observing | |
| def initialize(args = {}) | |
| @bar = args[:bar] | |
| notify_observers(:before_create) | |
| notify_observers(:after_create) | |
| end |
rrouse
/ gist:1316707
Created
October 26, 2011 15:35
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| bundle exec rake -T --trace | |
| (in /home/app/blockshopper) | |
| *** Using highline effectively in JRuby requires manually installing the ffi-ncurses gem. | |
| *** jruby -S gem install ffi-ncurses | |
| !!!! Missing jruby-win32ole gem: jruby -S gem install jruby-win32ole | |
| rake aborted! | |
| cannot load Java class javax.jms.Session | |
| org/jruby/javasupport/JavaClass.java:1204:in `for_name' | |
| org/jruby/javasupport/JavaUtilities.java:34:in `get_proxy_class' |