mdaisuke mdaisuke

太一のコードの読み方メモ

全体として太一が感覚的に実践している事を論理的に説明しようと試みている為、
説明の粒度が適切でなかったり一貫性が無いように見える部分があるかもしれない。
普段やっているけども書ききれていない事も多分きっとある。

コードを読むとは何か

コードを嗜む
コードを学ぶ
武器を手に入れる

Ruby の HTTP クライアントライブラリ Faraday が便利そう

API ラッパの開発には [RestClient gem][rest_client_gem] だとか
OAuth の必要なものは [Net/HTTP][net_http] + [OAuth gem][oauth_gem] を使ってた

[Twitter gem][twitter_gem] や [Instagram gem][instagram_gem] など API ライブラリのソースを読んでみると
[Faraday gem][faraday_gem] というものがよく使われてた

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

Vagrant の使い方

ドキュメント:

インストール

$ gem install vagrant

The Ying-Yang of CEOs and Engineers

All successful startups begin with two founders. One guy is the Engineer, and the other guy is the business dude. Over the years of working with various people, I've learned what makes a good engineer, and what makes a good business dude, and the two are complete opposites of each other.

CEO	Engineer

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

	# -- encoding: utf-8 --

	Gem::Specification.new do \|s\|
	s.name = 'parallel_assets_compiler'
	s.version = '0.2.0'
	s.platform = Gem::Platform::RUBY
	s.author = 'Jørgen Orehøj Erichsen'
	s.email = '[email protected]'
	s.summary = 'Compile assets in parallel'
	s.description = 'Compile assets in parallel to speed up deployment'

	(function (window) {

	// This library re-implements setTimeout, setInterval, clearTimeout, clearInterval for iOS6.
	// iOS6 suffers from a bug that kills timers that are created while a page is scrolling.
	// This library fixes that problem by recreating timers after scrolling finishes (with interval correction).
	// This code is released in the public domain. Do with it what you want, without limitations. I do not promise
	// that it works, or that I will provide support (don't sue me).
	// Author: rkorving@wizcorp.jp

	var timeouts = {};

	#!/bin/sh
	infocmp -1\|sed -e '/am,$/d' > /tmp/$TERM
	tic -o ~/.terminfo/ /tmp/$TERM