daveworth’s gists

daveworth / gist:0a0886725b357ef7947bbd6ff3cf069d

Created September 14, 2019 21:42

keybase.md

	### Keybase proof

	I hereby claim:

	* I am daveworth on github.
	* I am dworth (https://keybase.io/dworth) on keybase.
	* I have a public key ASAFs93Uo_d2oN4aKnPp2P_rEGyNRYpUntFfM1wpS170nAo

	To claim this, I am signing this object:

daveworth / gist:79ad2f80dc68d3852f1f

Created January 18, 2015 03:04

Context: CodeAcademy asked for code like:

var = gets.chomp
var2 = var1.capitalize
var.capitalize!

#...

daveworth / 1_continuations.rb

Created February 5, 2014 20:59

fun with continuations and a puzzler

	def square_with_continuation(x, continuation = ->(x) { x })
	continuation.call(x*x)
	end

daveworth / lambda_and_proc_assertions_spec.rb

Created November 19, 2013 00:35

hoping to help a friend debug what method exactly is called on a proc/lambda when passed to an enumerator..

	require 'spec_helper'

	describe "First Class Objects are Weird" do
	let(:a_lambda) { lambda { \|p\| puts ["Lambda", p].join(" ") } }
	let(:a_proc) { proc { \|p\| puts ["Proc", p].join(" ") } }

	context "wat" do
	pending "totally does not work" do
	foo = double # was hoping to find out what method was called on this double... it doesn't work
	%w(a).each &foo

daveworth / github SSH behavior if you have two different SSH keys!

Created January 20, 2013 14:20

If you have two different SSH keys that GitHub knows about make sure you add yours first if you want your commits to have your name associated with commits! In the below situation I have my ssh key that GitHub knows about and another users in `deploy_id_rsa` which is used for deploying code to production servers and allows any changes made to ch…

	$ ssh-add -D
	All identities removed.

	$ ssh-add ~/.ssh/id_rsa
	Enter passphrase for /Users/dworth/.ssh/id_rsa:
	Identity added: /Users/dworth/.ssh/id_rsa (/Users/dworth/.ssh/id_rsa)
	$ ssh -T [email protected]
	Hi daveworth! You've successfully authenticated, but GitHub does not provide shell access.
	$ ssh-add ~/.ssh/deploy_id_rsa
	Identity added: /Users/dworth/.ssh/deploy_id_rsa (/Users/dworth/.ssh/deploy_id_rsa)

daveworth / inherited_decorators.rb

Created October 4, 2012 13:46

A Widget

	class WidgetDecorator::Base < ApplicationDecorator
	def display_title
	""
	end
	end

	class WidgetDecorator < WidgetDecorator::Base
	decorates :widget
	def display_title
	#...

daveworth / flog_examples.txt

Created September 12, 2012 02:21

Static Analysis Tools Examples

	# running flog on an intentionally broken rails app
	badapp $ bundle exec flog -g app
	76.9: flog total
	7.7: flog/method average

	20.2: UsersHelper total
	20.2: UsersHelper#dynamic_attribute_finder? app/helpers/users_helper.rb:2

	18.9: UsersController total
	10.4: UsersController#none

daveworth / dstr_sexp.rb

Created September 7, 2012 13:37

Fibonacci in ...

	sexp = RubyParser.new.process(ruby)
	find_dstrs(sexp)

	# produces
	[s(:dstr, "foo bar ", s(:evstr, s(:lvar, :baz)), s(:str, " qux"))]

daveworth / gist:3274711

Created August 6, 2012 14:15

reflecticle Alfred extension doh...

	$ vim ~/.reflecticle
	$ cat ~/.reflecticle
	d669464d57d4242b74c7c7f45725b5c1b9e4f35d
	$ rspec
	....

	Finished in 0.03198 seconds
	4 examples, 0 failures
	$ cat ~/.reflecticle
	key

daveworth / thingy.rb

Created July 31, 2012 19:44

Squeel audit components

	class Thingy < ActiveRecord::Base
	attr_accessible :name, :inty

	scope :name_eql_sqli, lambda { \|param\| where("name = #{param}") }
	scope :name_eql_no_sqli, lambda { \|param\| where("name = ?", param) }
	scope :name_eql_squeeli, lambda { \|param\| where{name == param} }

	scope :inty_eql_squeeli, lambda { \|param\| where{inty == param} }

	scope :name_like_sqli, lambda { \|param\| where("name LIKE '%#{param}%'") }

	class Thingy < ActiveRecord::Base
	attr_accessible :name, :inty

	scope :name_eql_sqli, lambda { \|param\| where("name = #{param}") }
	scope :name_eql_no_sqli, lambda { \|param\| where("name = ?", param) }
	scope :name_eql_squeeli, lambda { \|param\| where{name == param} }

	scope :inty_eql_squeeli, lambda { \|param\| where{inty == param} }

	scope :name_like_sqli, lambda { \|param\| where("name LIKE '%#{param}%'") }

David E Worth daveworth