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@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active April 10, 2025 09:21
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

@booleanbetrayal
booleanbetrayal / Gruntfile.js
Last active November 23, 2024 05:09
Example GruntJS configuration for a replacement to the Sprockets Rails asset pipeline
'use strict';
module.exports = function(grunt) {
// load all grunt tasks
require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);
// configurable paths
var paths = {
@markmeeus
markmeeus / gist:6412088
Last active August 31, 2017 12:28
A patch to reuse Moped connections in Mongoid inside Celluliod Actors. If you use Sidekiq with loads of work, you may want reuse your connections. Do not use this toghether with kiqstand as they try to achieve opposite results.
module Celluloid
class Thread < ::Thread
def []= key, value
if key_on_thread? key
thread_vars[key] = value
else
super
end
end
@brettfishman
brettfishman / gist:3868277
Created October 10, 2012 20:39
Testing HTTP caching using RSpec and CanCan
# Given a controller that looks like this
class ModelsController < ApplicationController
load_and_authorize_resource #CanCan
def show
if stale? @model
respond_to do |format|
format.json do
@model
end
@perplexes
perplexes / Rakefile.rb
Created June 4, 2012 16:00
How to have multithreaded workers in delayed_job 3.0.3 and Ruby 1.9.3 and Rails 3.2.2
task :workers => :environment do
module Delayed
class Worker
def name_with_thread_id(*a, &b)
name_without_thread_id(*a, &b) + " thread:#{Thread.current.object_id}"
end
alias_method_chain :name, :thread_id
end
end
Rails.logger.info "Running threaded worker env."
@durran
durran / mongodb.monitrc
Created December 1, 2011 14:14
MongoDB Monit Config
check process mongodb
with pidfile "/var/lib/mongodb/mongod.lock"
start program = "/sbin/start mongodb"
stop program = "/sbin/stop mongodb"
if failed port 28017 protocol http
and request "/" with timeout 10 seconds then restart
if 5 restarts within 5 cycles then timeout
@osantana
osantana / gist:996287
Created May 27, 2011 22:09
PHP FastCGI Upstart Configuration
We couldn’t find that file to show.
@lusis
lusis / dba-user.json
Created January 7, 2011 11:24
Managing MySQL user accounts with Chef
{
"id":"dbauser",
"uid":506,
"comment":"DBA User",
"shell":"/bin/bash",
"groups": [
"sysadm",
"dba"
],
"ssh_key": "XXXXXXXXXX"
//
// Regular Expression for URL validation
//
// Author: Diego Perini
// Created: 2010/12/05
// Updated: 2018/09/12
// License: MIT
//
// Copyright (c) 2010-2018 Diego Perini (http://www.iport.it)
//