Andy Ogzewalla WizardOfOgz
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| class Avatar < ActiveRecord::Base | |
| attr_accessor :content_type, :original_filename, :image_data | |
| before_save :decode_base64_image | |
| has_attached_file :image, | |
| PAPERCLIP_CONFIG.merge( | |
| :styles => { | |
| :thumb => '32x32#', | |
| :medium => '64x64#', |
WizardOfOgz
/ gist:1499154
Created
December 19, 2011 22:14
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| class Foo | |
| has_many :bars | |
| def to_json | |
| bars_json = bars.map(&:to_json).join(",") | |
| %Q({"foo": {...{"bars": [#{bars_json}] } } }) | |
| end | |
| end | |
| class Bar |
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| def sum_digits_to(n) | |
| enumerator = Enumerator.new do |yielder| | |
| # recursive proc (backtracking) which iterates over all possible | |
| # combinations of digits and operators. | |
| p = -> prev_lhs = "", digit = 1 do | |
| lhs = "#{ prev_lhs }#{ digit }" | |
| if digit == 9 | |
| yielder << lhs if eval(lhs) == n | |
| else | |
| [" + ", " - ", nil].each do |op| |
WizardOfOgz
/ gist:02c0aba02df6216fab38
Created
May 29, 2015 16:33
The best way to use ActionView helpers outside of a view.
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| ::ActionView::Helpers::NumberHelper.instance_method(:number_with_precision).bind(Module.new{ extend ActionView::Helpers::NumberHelper }).call("1234.0", :strip_insignificant_zeros => true) |
WizardOfOgz
/ number_scan.rb
Last active
October 16, 2015 19:01
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| require 'benchmark' | |
| puts RUBY_VERSION | |
| phones = ["(216) 375-9240","(518) 462-8200","(215) 434-2915","(714) 778-4011", | |
| "(512) 474-7773","(805) 395-1301","(301) 659-5500","(504) 346-5900","(617) 275-4600", | |
| "(313) 643-9080", "(203) 579-1525", "(716) 854-9100", "(609) 541-5028", "(704) 372-4900", | |
| "(312) 853-3920", "(213) 637-8883", "(216) 696-5422", "(614) 224-3735", "(214) 742-5114", | |
| "(513) 228-8015", "(213) 956-1391", "(919) 373-8633", "(717) 233-9031", "(203) 525-0155", | |
| "(317) 635-0119", "(213) 645-9011", "(201) 333-0250", "(816) 474-1850", "(702) 387-7000", |
WizardOfOgz
/ diff-highlight
Last active
July 7, 2023 01:18
A script to locate and execute diff-highlight from the current Git installation (my install was done on macOS using Homebrew). Just save this where it can be found on your PATH.
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| #!/usr/bin/env bash | |
| $(ruby -e 'puts File.expand_path("../../share/git-core/contrib/diff-highlight/diff-highlight", File.realpath(`/usr/bin/which git`.strip))') "$@" |