gavinheavyside’s gists

gavinheavyside / hwia_spec.rb

Created October 31, 2014 12:53

	class HashWithIndifferentAccess < Hash
	def [](key)
	super(convert_key(key))
	end

	def []=(key, value)
	super(convert_key(key), value)
	end

	def self.[] (*args)

gavinheavyside / .gitconfig

Created June 20, 2014 09:12

Clean up your leftover merged git branches

	[alias]
	cleanup = "!git fetch -p && git branch --merged \| grep -v '\\*\\\|master\\\|develop' \| xargs -n 1 git branch -d"

gavinheavyside / check_resque_working_jobs.go

Created May 13, 2014 12:56

	// example program

	package main

	import (
	"fmt"
	"os"

	"github.com/garyburd/redigo/redis"
	)

gavinheavyside / crap.rb

Created February 19, 2014 11:30

	class Crap
	attr_accessor :crappiness

	def initialize(tolerability = 5)
	@crappiness = 0
	@tolerability = tolerability
	end

	def +(int)
	result = dup

gavinheavyside / hash_differences.rb

Last active January 4, 2016 16:39

Hash[] difference between Ruby 1.9 and 2.x

	# Ruby 1.9:
	Hash[ [ "", "key:value" ].map { \|v\| v.split( /:/) } ]
	# => {"key"=>"value"}


	# Ruby 2.0+:
	Hash[ [ "", "key:value" ].map { \|v\| v.split( /:/) } ]
	# ArgumentError: invalid number of elements (0 for 1..2)
	# from (pry):1:in `[]'

gavinheavyside / fix-credit-card-qif.rb

Created September 25, 2013 17:43

Reverse signs of transactions in a qif file, and open it (OS X) in the associated program. My bank generates .qif files for my credit card with credit & debit reversed compared with how my finance program wants them.

	#!/usr/bin/env ruby

	require 'qif'

	if ARGV.size != 1
	$stderr.puts "usage: fix-credit-card-qif-and-load.rb <CC qif file>"
	end

	input_filename = ARGV[0]
	output_filename = input_filename.sub(/\.qif/, "-fixed.qif")

gavinheavyside / fizzbuzz.rb

Last active September 27, 2019 08:43 — forked from mrb/fizzbuzz.rb

Writing FizzBuzz without modulus division or 'if'

	fizz = [nil, nil, "Fizz"].cycle
	buzz = [nil, nil, nil, nil, "Buzz"].cycle

	(1..100).zip(fizz, buzz) do \|num, *fb\|
	puts fb.compact.reduce(:+) \|\| num
	end

gavinheavyside / gist:3761159

Created September 21, 2012 12:14

Problem report from Tweetbot beta crash on 10.7.5

	Process: Tweetbot [10718]
	Path: /Applications/Tweetbot.app/Contents/MacOS/Tweetbot
	Identifier: com.tapbots.TweetbotMacAdHoc
	Version: 0.8.0 (758)
	Code Type: X86-64 (Native)
	Parent Process: launchd [261]

	Date/Time: 2012-09-21 13:10:53.983 +0100
	OS Version: Mac OS X 10.7.5 (11G56)
	Report Version: 9

gavinheavyside / array_aggregator.rb

Created July 19, 2012 19:20

a solution to the alphasights job quiz

	# As seen in Ruby Weekly newsletter http://rubyweekly.com/archive/102.html
	# http://www.alphasights.com/apply/ruby-developer-london

	by_time = log.reduce(Hash.new{\|hash,key\| hash[key] = {}}) do \|memo, val\|
	memo[val[:time]].merge!(val.reject{\|k,v\| k == :time})
	memo
	end

	by_time.map{\|k,v\| v.merge(time: k)}

gavinheavyside / Invoking

Created May 6, 2012 11:55

strip colons from filenames in an extracted report tarball

	# from the top level of an extracted report tarball
	$ find . -type d -depth 1 \| xargs -I {} ./filename_fixer.sh {}

Gavin Heavyside gavinheavyside