Akira Kusumoto bluerabbit

% gem install pre-commit
% mkdir work
% cd work
% git init
% pre-commit install
% git config "pre-commit.checks" "jshint"
% echo "var x = 1" > error.js
% git add .
% git commit -m "add error.js"

$ curl https://raw.github.com/hokaccha/nodebrew/master/nodebrew | perl - setup
$ nodebrew install latest
$ nodebrew use v0.9.10
$ node -v
$ npm install -g jshint
$ echo "var x = 1" > error.js
$ jshint error.js

%mysql_secure_installation
Change the root password? [Y/n] Y
Remove anonymous users? [Y/n] Y
Disallow root login remotely? [Y/n] Y
Remove test database and access to it? [Y/n] Y
Reload privilege tables now? [Y/n] Y

rootパスワードを設定する

install

brew install --zsh-completion git-now

step 1

% git init

3番目の値と等価な行のみを抽出

%cat development.log | awk '$3=="OK"'

Completed 200 OK in 3412ms (Views: 3411.8ms | ActiveRecord: 0.0ms)
Completed 200 OK in 17ms (Views: 16.6ms | ActiveRecord: 0.0ms)

1

%echo 1140003 | sed 's/.../〒&-/'

〒114-0003

	public static String getStackTrace(Throwable e) {
	StringWriter sw = null;
	PrintWriter pw = null;
	try {
	sw = new StringWriter();
	pw = new PrintWriter(sw);
	e.printStackTrace(pw);
	return sw.toString();
	} finally {
	try {

	[mysqld]
	long_query_time=1
	slow_query_log=1
	slow-query-log-file=~/mysqld-slow-query.log
	log-queries-not-using-indexes

	class String
	def colorize(color_code); "\e[#{color_code}m#{self}\e[0m"; end
	def red; colorize(31); end
	def yellow; colorize(33); end
	def pink; colorize(35); end
	end

	sed -n '開始行,終了行p' ファイル名

	%cat hoge.txt
	1
	2
	3
	4
	5

	%sed -n '3,4p' hoge.txt