Fogus fogus

This is not intended to be comprehensive or authoritative, just free online resources I've found valuable while learning more about Erlang.

Instruction

The venerable master Qc Na was walking with his student, Anton. Hoping to prompt the master into a discussion, Anton said "Master, I have heard that objects are a very good thing - is this true?" Qc Na looked pityingly at his student and replied, "Foolish pupil - objects are merely a poor man's closures."

Chastised, Anton took his leave from his master and returned to his cell, intent on studying closures. He carefully read the entire "Lambda: The Ultimate..." series of papers and its cousins, and implemented a small Scheme interpreter with a closure-based object system. He learned much, and

Backend Architectures

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	My thoughts on writing tiny reusable modules that each do just one
	thing. These notes were adapted from an email I recently sent.

	***

	If some component is reusable enough to be a module then the
	maintenance gains are really worth the overhead of making a new
	project with separate tests and docs. Splitting out a reusable
	component might take 5 or 10 minutes to set up all the package
	overhead but it's much easier to test and document a piece that is

	require 'thread'

	module SonicPi
	class Promise

	VAL_SEM = Mutex.new
	PUSH_SEM = Mutex.new

	def initialize
	@box = Queue.new

	function rm () {
	local path
	for path in "$@"; do
	# ignore any arguments
	if [[ "$path" = -* ]]; then :
	else
	local dst=${path##*/}
	# append the time if necessary
	while [ -e ~/.Trash/"$dst" ]; do
	dst="$dst "$(date +%H-%M-%S)

	Welcome to Scala version 2.9.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_25).
	Type in expressions to have them evaluated.
	Type :help for more information.

	scala> import shapeless._, HList._
	import shapeless._
	import HList._

	scala> "foo" :: 124 :: HNil
	res0: shapeless.::[java.lang.String,shapeless.::[Int,shapeless.HNil]] = foo :: 124 :: HNil

	#!/usr/bin/env bash

	# fresh-chrome
	#
	# Use this script on OS X to launch a new instance of Google Chrome
	# with its own empty cache, cookies, and user configuration.
	#
	# The first time you run this script, it will launch a new Google
	# Chrome instance with a permanent user-data directory, which you can
	# customize below. Perform any initial setup you want to keep on every

	(def cds (collection))

	;; interact with database

	(go
	(>! (:in cds)
	{:op :create
	:val {:title "Soft Machine Vol. 1"
	:artist "Soft Machine"
	:year 1969}})

	(ns circles.core
	(:require [quil.core :as q]))

	; "hello world" for Quil meets http://bit.ly/18luJO2

	(def the-width 808)
	(def the-height 500)

	(defn random-x-y []
	(list (int (rand the-width))