Skip to content

Instantly share code, notes, and snippets.

View gist:805d420df70f1c377510
# infinity symbol
x, y = width / 2, height * (barcode_height_ratio + 0.15)
s = width / 6
m = s / 2
n = m/2
move_to [x, y - n/2]
curve_to [x + s / 4, y - m/2], :bounds => [[x + n / 5 * KAPPA, y - (m/2)*KAPPA], [x + (s / 4) * (1-KAPPA), y - m/2]]
debreczeni / database_cleaner.rb
Created Nov 17, 2014
Always ensure clean db state when mixing feature and other specs (transaction & truncation dbcleaning strategy) running in a random order
View database_cleaner.rb
# spec/support/database_cleaner.rb
def restore_clean_db_state!
DatabaseCleaner.clean_with :truncation
# load Rails.root.join('db', 'seeds.rb')
RSpec.configuration.db_is_dirty = false
def start_transaction!
DatabaseCleaner.strategy = :transaction
View Mysql2 gem mac os x.6 fix
gem install mysql2 --version 0.2.6 -- --with-mysql-config=/usr/local/mysql/bin/mysql_config
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib ~/.rvm/gems/ruby-1.8.7-p334@sportline/gems/mysql2-0.2.6/lib/mysql2/mysql2.bundle
View gist:1104437
SELECT `people`.* FROM `people` WHERE `people`.`deleted_at` IS NULL AND (`people`.`country_id` = 16777217) AND (id IN (SELECT DISTINCT person_id FROM people_sections WHERE people_sections.deleted_at IS NULL AND section_id IN (SELECT DISTINCT section_id FROM event_types WHERE event_types.deleted_at IS NULL AND IN (SELECT DISTINCT event_type_id FROM events WHERE events.deleted_at IS NULL AND competition_id = 16777237)))) AND ((people.lastname LIKE '%gabriella%' or people.firstname LIKE '%gabriella%')) AND ((people.lastname LIKE '%szabo%' or people.firstname LIKE '%szabo%')) LIMIT 100
View Azt-szeretem-a-Padrinoban--hogy-letisztult---.patch
From 3856f4121b5e60531572873d64335660ea42c1a6 Mon Sep 17 00:00:00 2001
From: David Debreczeni <>
Date: Thu, 18 Aug 2011 13:53:21 +0200
Subject: [PATCH] Azt szeretem a Padrinoban, hogy letisztult...
config/boot.rb | 22 ++++++++++++++++++++++
results/app.rb | 2 +-
2 files changed, 23 insertions(+), 1 deletions(-)
View annotate header regex test
/^#[\t ]+\w+[\t ]+(?:(?::\w+)|(?:\([\w,]+\)(?:[\t ]+\w+)?))(?:[\t ]+[\w, ]+)?$/
# == Schema Information
# Table name: programmes
# id :integer not null, primary key
# starts_at :datetime not null
# show_id :integer not null
# created_at :datetime
debreczeni / gist:1383786
Created Nov 21, 2011
how to install edge refinery cms for rails 3.1:
View gist:1383786

how to install edge refinery cms for rails 3.1:

install rail 3.1

gem install rails

generate new app from refinerycms github repo

rails new app_name -m
debreczeni / rspec-syntax-cheat-sheet.rb
Created Jan 5, 2012 — forked from dnagir/rspec-syntax-cheat-sheet.rb
RSpec 2 syntax cheat sheet by example
View rspec-syntax-cheat-sheet.rb
# RSpec 2.0 syntax Cheet Sheet by
# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
describe MovieList, "with optional description" do
it "is pending example, so that you can write ones quickly"
it "is already working example that we want to suspend from failing temporarily" do
pending("working on another feature that temporarily breaks this one")
debreczeni /
Created May 10, 2012
This shell script displays large file in a git repository
#set -x
# Shows you the largest objects in your repo's pack file.
# Written for osx.
# @see
# @author Antony Stubbs
# set the internal field spereator to line break, so that we can iterate easily over the verify-pack output
debreczeni / slip13.rb
Last active Oct 24, 2015
Ruby implementation of HD Structure of SLIP-0013 Authentication using deterministic hierarchy
View slip13.rb
# lib/slip13.rb
# Ruby implementation of SLIP-0013 : Authentication using deterministic hierarchy
module SLIP13
class HDNode
def initialize(uri, index = 0)
@uri = uri
@index = index