Dmytro Myrhorodskyi dimianstudio

Out of the box, Homebrew does a default installation on Sphinx:

$ brew install sphinx

However, if you're using MySQL, the thinking-sphinx gem won't work because it needs to use MySQL libraries.

If you managed to screw up the first time, uninstall sphinx first:

$ brew remove sphinx

Deploy Rails 4 app with Dokku on DigitalOcean

Install dokku

First create a Ubuntu 13.04 x64 droplet on DigitalOcean Control Panel

Then ssh with root account, run this in termianl:

$ wget -qO- https://raw.github.com/progrium/dokku/master/bootstrap.sh | sudo bash

Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

const Article = require('../../../../app/models/article');

Those suck for maintenance and they're ugly.

Possible solutions

Git Cheat Sheet

Commands

Getting Started

git init

or

Install wkhtmltopdf on Ubuntu

This was tested on:

Ubuntu 14.04 x64
Ubuntu 16.04 x64

Step 1

Install the xvfb server by running

	#!/bin/sh

	# Credits to:
	# - http://vstone.eu/reducing-vagrant-box-size/
	# - https://github.com/mitchellh/vagrant/issues/343

	aptitude -y purge ri
	aptitude -y purge installation-report landscape-common wireless-tools wpasupplicant ubuntu-serverguide
	aptitude -y purge python-dbus libnl1 python-smartpm python-twisted-core libiw30
	aptitude -y purge python-twisted-bin libdbus-glib-1-2 python-pexpect python-pycurl python-serial python-gobject python-pam python-openssl libffi5

	mkvirtualenv datascience
	sudo apt-get install python-scipy libblas-dev liblapack-dev gfortran
	sudo apt-get install libffi-dev # for cryptography from scrapy
	sudo apt-get install libxslt-dev # for libxml from scrapy
	export BLAS=/usr/lib/libblas.so
	export LAPACK=/usr/lib/liblapack.so
	pip install numpy
	pip install scipy
	pip install scikit-learn
	pip install pandas

	#!/bin/bash

	# This script zeroes out any space not needed for packaging a new Ubuntu Vagrant base box.
	# Run the following command in a root shell:
	#
	# bash <(curl -s https://gist.github.com/justindowning/5670884/raw/vagrant-clean.sh)

	function print_green {
	echo -e "\e[32m${1}\e[0m"
	}

	class Photo < ActiveRecord::Base
	module Statues
	QUEUED = 'queued'
	NEW = 'new'

	def self.values
	constants.map(&method(:const_get))
	end
	# you can define more special methods as you wanted for Statues
	end

	# Backup
	docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

	# Restore
	cat backup.sql \| docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE