[Ruby] 日本語表示対応

May 18th, 2012 No comments

日本語を含むファイルを実行すると、

% ruby xxx.rb
invalid multibyte char (US-ASCII)

そこで
xxx.rbファイルの最初に以下を記述。

# encoding: utf-8
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Categories: ruby Tags: , ,

[Memo] install mysql with homebrew

May 11th, 2012 No comments

まずインストール

% brew install mysql

終わったら設定する。mysqlがインストールされたディレクトリに移動。

% cd /usr/local/Cellar/mysql/5.5.20

実行

% mysql_install_db

Installing MySQL system tables...
OK
Filling help tables...
OK

To start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your system

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:

./bin/mysqladmin -u root password 'new-password'
./bin/mysqladmin -u root -h cl1018 password 'new-password'

Alternatively you can run:
./bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.

See the manual for more instructions.

You can start the MySQL daemon with:
cd . ; ./bin/mysqld_safe &

You can test the MySQL daemon with mysql-test-run.pl
cd ./mysql-test ; perl mysql-test-run.pl

Please report any problems with the ./bin/mysqlbug script!

起動設定
インストールディレクトリに生成されるplistを「~/Library/LaunchAgents/」以下にコピー

% cp /usr/local/Cellar/mysql/5.5.20/homebrew.mxcl.mysql.plist ~/Library/LaunchAgents/

パスワード設定
mysqladminコマンドで設定

% mysqladmin -u root -h 127.0.0.1 password 'パスワード'

ログインしてみる

% mysql -u root -h 127.0.0.1 -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.20 Source distribution
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

my.conf作成

vi /etc/my.cnf

[mysqld]
max_allowed_packet=64M
character-set-server = utf8
innodb_file_per_table
[mysql]
default-character-set = utf8

プロセス確認するときは、psコマンド

% ps ax | grep mysql

ソケットの確認は

% mysql_config --socket

起動コマンド

% mysql.server start

終了コマンド

% mysql.server stop
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[Memo] Install Ruby with RVM into CentOS6

May 11th, 2012 No comments

必要そうなもの

# yum -y install git
# yum -y install make
# yum -y install gcc
# yum -y install gcc-c++
# yum -y install zlib-devel
# yum -y install openssl-devel
# yum -y install httpd-devel
# yum -y install curl
# yum -y install curl-devel
# yum -y install readline-devel
# yum -y install tk-devel

# Database
# yum install sqlite-devel
# yum install mysql-devel

# yum --enablerepo=epel -y install libyaml-devel
# bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )
# source /etc/profile

[Ruby]

# rvm install 1.9.3
# rvm use 1.9.3 --default

[Rails]

# gem install rails

[mysql]

# gem install mysql -- --with-mysql-config=/usr/bin/mysql_config
# gem install mysql2 -v '0.3.11'

プロジェクトをつくってみる

# rails new hoge -d mysql

      create
      create  README.rdoc
      create  Rakefile
      create  config.ru
      create  .gitignore
      create  Gemfile
      .......
      create  vendor/plugins/.gitkeep
         run  bundle install
Fetching gem metadata from https://rubygems.org/.........
Using rake (0.9.2.2)
.....
Using
Installing uglifier (1.2.4)
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.
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[Mac]起動音を消すコマンド

May 9th, 2012 No comments

Macの起動音を消すコマンド

% echo "set bell-style none" >> ~/.inputrc
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[Mac] zshインストール

May 9th, 2012 No comments

iMacが新しくなったので再度インストール。(Lion環境)

% brew install zsh

/etc/shellsにインストールしたzshを追記

% sudo sh -c "echo '/usr/local/bin/zsh' >> /etc/shells"

既にあれば行わない

% touch ~/.zshrc

パスを設定。
これを行わないとデフォルトの/etc/zshのまま。

% echo 'export PATH=/usr/local/bin:$PATH' >> ~/.zshrc

再読み込み

% source .zshrc
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[Heroku] sinatraプロジェクトをアップするまで

April 25th, 2012 No comments

sinatraをHeorkuで動作させたい。

とりあえず動作優先、app.rbつくる。

require 'sinatra'

get '/' do
  "Hello, Heroku"
end

Gemfileをつくる

% vim Gemfile
source :rubyforge
gem 'sinatra', '1.3.2'
gem 'thin', '1.3.1'

bundleコマンドでGemfileのライブラリをインストールする。

% bundle install

Herokuの起動ファイル作成する

% vim Procfile
web: bundle exec ruby app.rb -p $PORT

この状態でローカルでの確認する。
Procfileを読み込むためにforemanというgemを入れ、アプリをローカルで起動

% gem install foreman
% foreman start

http://localhost:5000/で表示されればOK

Herokuにアップする準備

% git init
% git add .
% git commit -m "first commit"

herokuにプロジェクトを作成する。
(–stackオプションでcedarスタックを選択して、アプリ名にmyapp-testyとする)

% heroku create --stack cedar myapp-testy
Creating myapp-testy... done, stack is cedar
http://myapp-testy.herokuapp.com/ | git@heroku.com:myapp-testy.git
Git remote heroku added

herokuのレポジトリにコミットする

% git push heroku master
Counting objects: 6, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (5/5), done.
Writing objects: 100% (6/6), 696 bytes, done.
Total 6 (delta 0), reused 0 (delta 0)

-----> Heroku receiving push
-----> Ruby app detected
-----> Installing dependencies using Bundler version 1.1.2
       Running: bundle install --without development:test --path vendor/bundle --binstubs bin/ --deployment
       Fetching gem metadata from http://rubygems.org/.....
       Installing daemons (1.1.8)
       Installing eventmachine (0.12.10) with native extensions
       Installing rack (1.4.1)
       Installing rack-protection (1.2.0)
       Installing tilt (1.3.3)
       Installing sinatra (1.3.2)
       Installing thin (1.3.1) with native extensions
       Using bundler (1.1.2)
       Your bundle is complete! It was installed into ./vendor/bundle
       Cleaning up the bundler cache.
-----> Discovering process types
       Procfile declares types -> web
       Default types for Ruby  -> console, rake
-----> Compiled slug size is 3.1MB
-----> Launching... done, v3
       http://myapp-testy.herokuapp.com deployed to Heroku

To git@heroku.com:myapp-testy.git
 * [new branch]      master -> master

http://myapp-testy.herokuapp.com/

こんなもん?

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[Heroku] heroku設定メモ

April 25th, 2012 No comments

ここ

Heroku Toolbeltをインストール。
インストールした後は、アプリを公開出来るように設定。
自Macで

% gem install heroku

アプリのディレクトリでgitを初期化

% cd /Users/xxx/app
% git init
Initialized empty Git repository in /Users/xxx/app/.git/

アプリのディレクトリでherokuコマンドで以下を実行

% heroku create
Creating radiant-summer-6462...... done, stack is bamboo-mri-1.9.2
http://radiant-summer-6462.heroku.com/ | git@heroku.com:radiant-summer-6462.git
Git remote heroku added

公開鍵を変更したいとき

% heroku keys:add ~/.ssh/id_rsa.pub
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