Jim Yeh lemonlatte

Raspberry Pi and the USB to TTL Serial Cable on Mac (unfinished)

I took it to heart when @kassandra_perch said to document everything durring her talk at EmpireJS. So I documented my whole process, what went right and what went wrong.

This document is unfinished and is not a complete tutorial

The primary way to interact with a Raspberry Pi is to use WiFi and SSH. The problem with this is that the WiFi on the Pi needs to be configured and in order to do that you'll need a monitor. I've tried to edit the wpa_supplicant.conf by using the SD card's file system. I achieved this with minimal success the problem with this is that you still need to get the IP address of the Pi, even if it's connected.

Alas, there's another way! Using a wire referred to as the "USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi".

The "intellibook" netbook contains a rtl8192se pci network chip that is not currently included in the android-x86 builds. I could not get a complete self-build image to work so I decided to add the neccessary drivers to the existing release from 20120101. This has the added benefit that the installation contains the google apps, which are not included in the source download. The image can be downloaded from http://www.android-x86.org/releases/build-20120101 (android-x86-4.0-asus_laptop-20120101.iso).

Extract the iso image and the contained squashfs image and mount the contained filesystem image as a loopback device.

$ bsdtar -C android-image -xf android-x86-4.0-asus_laptop-20120101.iso
$ cd android-image
$ unsquashfs system.sfs
$ sudo mkdir /mnt/iso
$ sudo mount ./squashfs-root/system.img /mnt/iso  -o loop

How to build Golang windows/arm static binaries from linux

Alternate title: Cross compiling Windows/Darwin/Linux amd64/386/arm all from linux

After fumbling around trying to figure out the go toolchain and cross compilation configuration, I ran across the wiki page on Go's homepage. It's super helpful, and worked out of the box. I'm including the necessary scripts here in case they get changed or lost, and we can help Google find it (since it's the first real source I've found that "Just Worked"). http://code.google.com/p/go-wiki/wiki/WindowsCrossCompiling

前端工程師面試問題集

@版本 2.0.0

譯注：此翻譯版，主要給不能流利的讀英文的人看，相關專有名詞還是保留原文。翻譯不好地方請協助pull request.

此repository包含了一些前端開發的面試問題，來審查一個有潛力的面試者。這並不是建議你對同一個面試者問上所有的問 (那會花費好幾小時)。從列表中挑幾個題目，應該就夠幫助你審查面試者是否擁有你需要的技能。

Rebecca Murphey 的 Baseline For Front-End Developers 也是一篇很棒且值得讀的文章在你開始面試之前。

	class Backend(object):
	def __init__(self):
	engine = create_engine("mysql://{0}:{1}@{2}/{3}".format(options.mysql_user, options.mysql_pass, options.mysql_host, options.mysql_db)
	, pool_size = options.mysql_poolsize
	, pool_recycle = 3600
	, echo=options.debug
	, echo_pool=options.debug)
	self._session = sessionmaker(bind=engine)

	@classmethod

	# Firefox over VNC
	#
	# VERSION 0.1
	# DOCKER-VERSION 0.2

	from ubuntu:12.04
	# make sure the package repository is up to date
	run echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
	run apt-get update

	var gulp = require('gulp');
	var sourcemaps = require('gulp-sourcemaps');
	var source = require('vinyl-source-stream');
	var buffer = require('vinyl-buffer');
	var browserify = require('browserify');
	var watchify = require('watchify');
	var babel = require('babelify');

	function compile(watch) {
	var bundler = watchify(browserify('./src/index.js', { debug: true }).transform(babel));

	package cp

	import (
	"io"
	"os"
	)

	func cp(dst, src string) error {
	s, err := os.Open(src)
	if err != nil {

	/**
	* Creates a new Uint8Array based on two different ArrayBuffers
	*
	* @private
	* @param {ArrayBuffers} buffer1 The first buffer.
	* @param {ArrayBuffers} buffer2 The second buffer.
	* @return {ArrayBuffers} The new ArrayBuffer created out of the two.
	*/
	var _appendBuffer = function(buffer1, buffer2) {
	var tmp = new Uint8Array(buffer1.byteLength + buffer2.byteLength);

	// Copy from go-redis.
	package crc

	// CRC16 implementation according to CCITT standards.
	// Copyright 2001-2010 Georges Menie (www.menie.org)
	// Copyright 2013 The Go Authors. All rights reserved.
	// http://redis.io/topics/cluster-spec#appendix-a-crc16-reference-implementation-in-ansi-c
	var crc16tab = [256]uint16{
	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
	0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,