Igor Soarez soarez

A Guide to Rust Syntax

A very brief guide to Rust syntax. It assumes you are already familiar with programming concepts.

This was written in 2014. It is not a good reference for Rust today, though the content is still correct.

cheats.rs looks like a good alternative.

Assert macro

Port Forwarding in Mavericks

Since Mavericks stopped using the deprecated ipfw (as of Mountain Lion), we'll be using pf to allow port forwarding.

####1. anchor file Create an anchor file under /etc/pf.anchors/<anchor file> with your redirection rule like:

Recipe for customizing a SmartoOS image and cloning it

1. Create base image

1.1. Download and install the base image:

[root@00-0c-29-aa-24-ba ~]# imgadm list
UUID                                  NAME             VERSION  OS       PUBLISHED
9eac5c0c-a941-11e2-a7dc-57a6b041988f  base64           13.1.0   smartos  2013-04-26T15:17:57Z

JavaScript Code

var str = "hi";

Memory allocation:

Address	Value	Description
`......`	...

	## Install kernel modules

	mkdir -p ~/work/share/lcd/adafruit-pitft-2.8
	cd ~/work/share/lcd/adafruit-pitft-2.8

	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-bin-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-dev-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-doc-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi0-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/raspberrypi-bootloader-adafruit-20140724-1.deb

	Predictably Irrational: The Hidden Forces that Shape Our Decisions
	Quiet: The power of introverts in a world that can't stop talking
	Business Adventures
	Zero to One
	Beyond Budgeting
	Winning Decisions: Getting It Right the First Time
	Creativity Inc
	Good to Great
	Surviving & Thriving in a Relationship with an Entrepreneur
	First, Break All the Rules

	# https://learn.adafruit.com/adafruit-pitft-28-inch-resistive-touchscreen-display-raspberry-pi/software-installation


	mkdir -p ~/work/share/adafruit-pitft-2.8
	cd ~/work/share/adafruit-pitft-2.8

	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-bin-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-dev-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi-doc-adafruit.deb
	wget http://adafruit-download.s3.amazonaws.com/libraspberrypi0-adafruit.deb

	#!/bin/bash

	contents=`ls`
	module_names=()
	module_folders=()
	npm_root=$(npm root -g)

	do_pull=1
	do_npm_install=1
	do_npm_link=1

	#! /usr/bin/env bash
	#
	# Monkey patching a function in bash. Why.

	patch() {
	new_guy=$(declare -f $1)
	new_guy=${new_guy##$1*\{}
	new_guy=${new_guy/\}/}
	old_guy=$(declare -f $2)
	old_guy=${old_guy/$2*{/}

	function endianness () {
	var b = new ArrayBuffer(4);
	var a = new Uint32Array(b);
	var c = new Uint8Array(b);
	a[0] = 0xdeadbeef;
	if (c[0] == 0xef) return 'LE';
	if (c[0] == 0xde) return 'BE';
	throw new Error('unknown endianness');
	}