$ brew install nodebrew
==> Downloading https://github.com/hokaccha/nodebrew/archive/v0.9.2.tar.gz
==> Downloading from https://codeload.github.com/hokaccha/nodebrew/tar.gz/v0.9.2
######################################################################## 100.0%
==> /usr/local/Cellar/nodebrew/0.9.2/bin/nodebrew setup_dirs
==> Caveats
Add path:
  export PATH=$HOME/.nodebrew/current/bin:$PATH

To use Homebrew's directories rather than ~/.nodebrew add to your profile:
  export NODEBREW_ROOT=/usr/local/var/nodebrew

Bash completion has been installed to:
  /usr/local/etc/bash_completion.d

zsh completion has been installed to:
  /usr/local/share/zsh/site-functions
==> Summary
🍺  /usr/local/Cellar/nodebrew/0.9.2: 7 files, 34.4K, built in 2 seconds

$ nodebrew -v
nodebrew 0.9.2

Usage:
    nodebrew help                         Show this message
    nodebrew install <version>            Download and install a <version> (compile from source)
    nodebrew install-binary <version>     Download and install a <version> (binary file)
    nodebrew uninstall <version>          Uninstall a version
    nodebrew use <version>                Use <version>
    nodebrew list                         List installed versions
    nodebrew ls                           Alias for `list`
    nodebrew ls-remote                    List remote versions
    nodebrew ls-all                       List remote and installed versions
    nodebrew alias <key> <version>        Set alias to version
    nodebrew unalias <key>                Remove alias
    nodebrew clean <version> | all        Remove source file
    nodebrew selfupdate                   Update nodebrew
    nodebrew migrate-package <version>    Install global NPM packages contained in <version> to current version
    nodebrew exec <version> -- <command>  Execute <command> specified <version>

Example:
    # install from binary
    nodebrew install-binary v0.10.22

    # use a specific version number
    nodebrew use v0.10.22

    # io.js
    nodebrew install-binary io@v1.0.0
    nodebrew use io@v1.0.0

$ nodebrew ls-remote
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE release}/ at /usr/local/bin/nodebrew line 731.
v0.0.1    v0.0.2    v0.0.3    v0.0.4    v0.0.5    v0.0.6

...

io@v3.3.0 io@v3.3.1

$ nodebrew install-binary v6.11.3
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE platform}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE release}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE arch}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE version}/ at /usr/local/bin/nodebrew line 731.
fetch: http://nodejs.org/dist/v6.11.3/node-v6.11.3-darwin-x64.tar.gz
Warning: Failed to create the file
Warning: /Users/sojiro/.nodebrew/src/v6.11.3/node-v6.11.3-darwin-x64.tar.gz:
Warning: No such file or directory

curl: (23) Failed writing body (0 != 792)
download faild: http://nodejs.org/dist/v6.11.3/node-v6.11.3-darwin-x64.tar.gz

$ mkdir -p ~/.nodebrew/src

$ nodebrew install-binary v6.11.3
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE platform}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE release}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE version}/ at /usr/local/bin/nodebrew line 731.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/#{ <-- HERE arch}/ at /usr/local/bin/nodebrew line 731.
fetch: http://nodejs.org/dist/v6.11.3/node-v6.11.3-darwin-x64.tar.gz
######################################################################## 100.0%
Install successful

$ nodebrew list
v6.11.3

current: none

$ nodebrew use v6.11.3
use v6.11.3

$ echo 'export PATH=$PATH:/Users/sojiro/.nodebrew/current/bin' >> ~/.bashrc
$ source ~/.bashrc

$ node -v
v6.11.3

$ npm -v
3.10.10

public User hoge(String nickname, String address) {
    ...
}

class Nickname {
    static final int MIN_LENGTH = 1;
    static final int MAX_LENGTH = 20;

    String nickname;

    Nickname(String nickname) {
        if (nickname.length() < MIN_LENGTH) {
            throw new IllegalArgumentException("nickname length must be at least" + MIN_LENGTH);
        }
        if (nickname.length() > MAX_LENGTH) {
          throw new IllegalArgumentException("nickname length must be under" + MAX_LENGTH);
        }
        this.nickname = nickname;
    }
}

public User hoge(Nickname nickname, Address address) {
    ...
}

Nickname nickname = new Nickname("sojiro");
nickname.setNickname("shin-sojiro");

Nickname nickname = new Nickname("sojiro");
Nickname updatedNickname = nickname.update("shin-sojiro");

List<User> users = new ArrayList<>();
users.add(user);

class Users {
    List<User> users;

    Users(List<User> users) {
        this.users = users;
    }

    Users add(User user) {
        List<User> userList = new ArrayList<>(users);
        return new Users(userList.add(user));
    }

    List<User> asList() {
        return Collections.unmodifiableList(users);
    }
}

$ php -v
PHP 5.5.38 (cli) (built: Aug 21 2016 21:48:49)

$ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
$ php -r "if (hash_file('SHA384', 'composer-setup.php') === '669656bab3166a7aff8a7506b8cb2d1c292f042046c5a994c43155c0be6190fa0355160742ab2e1c88d40d5be660b410') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
$ php composer-setup.php
$ php -r "unlink('composer-setup.php');"

$ mv composer.phar /usr/local/bin/composer

$ gcloud auth login
$ gcloud config set project YOUR_PROJECT_NAME

$ gsutil defacl ch -u AllUsers:R gs://YOUR_PROJECT_NAME.appspot.com

$ git clone https://github.com/GoogleCloudPlatform/php-docs-samples.git
$ cd php-docs-samples/appengine/wordpress/
$ composer install

$ php wordpress-helper.php setup
# ここでいろいろインタラクティブに聞かれるので答える

cd YOUR_PROJECT_NAME/
vim wordpress/wp-config.php

$ gcloud app deploy --promote --stop-previous-version app.yaml cron.yaml

$ date -r 616388399
1989年 7月14日 金曜日 11時59分59秒 JST

$ date -jf '%Y-%m-%d %H:%M:%S' '1989-07-14 11:59:59' +%s
616388399

$ cat ~/Desktop/memo.text | pbcopy

$ pbpaste > ~/Documents/memo.text

Could not open the requested socket: Address already in use
Try overriding --address and/or --port.

$ lsof -i:8080
COMMAND   PID    USER   FD   TYPE             DEVICE SIZE/OFF NODE NAME
java    74792  sojiro   48u  IPv6 0xXXXXXXXXXXXXXXXX      0t0  TCP *:http-alt (LISTEN)

$ kill -9 74792

switch(式) {
case 定数1:
    0個以上の文
case 定数N:
    0個以上の文
default:
    0個以上の文
}

int i = 0;
switch (i) {
    case 0:
        System.out.println(0);
    case 1:
        System.out.println(1);
    default:
        System.out.println("default");
}

0
1
default

for (初期化式; 条件式; 更新式) {
    文
}

for (int i = 0, j = 0; (i < 10 && j < 10); i++, j++) {

}

for (int i = 0, byte j = 0; (i < 10 && j < 10); i++, j++) {

}

int i;
byte j;
for (i = 0, j = 0; (i < 10 && j < 10); i++, j++) {

}

target_loop:
while (true) {
    while (true) {
        break target_loop;
    }
}

int n = 10;
int m = ++n;
// m: 11, n: 11
int n = 10;
int m = n++;
// m: 10, n: 11

int n = 0;
while (++n < 10) {
    // ループが回る回数は 9 回
}

Key: 'Foo:1' (kind = 'Foo', id = 1, no parent)
A: 1, 2
B: null
C: 'this', 'that', 'theOther'

Kind: 'Foo'
A ▲, B ▼, C ▼

(1, null, 'this') (1, null, 'that') (1, null, 'theOther')
(2, null, 'this') (2, null, 'that') (2, null, 'theOther')

Key: 'GreatGrandpa:1/Grandpa:1/Dad:1/Foo:1' (kind = 'Foo', id = 1, parent = 'GreatGrandpa:1/Grandpa:1/Dad:1')
A: 1, 2
B: null
C: 'this', 'that', 'theOther'

Kind: 'Foo'
A ▲, B ▼, C ▼
Ancestor: True

(1, null, 'this', 'GreatGrandpa') (1, null, 'this', 'Grandpa') (1, null, 'this', 'Dad') (1, null, 'this', 'Foo')
(1, null, 'that', 'GreatGrandpa') (1, null, 'that', 'Grandpa') (1, null, 'that', 'Dad') (1, null, 'that', 'Foo')
(1, null, 'theOther', 'GreatGrandpa') (1, null, 'theOther', 'Grandpa') (1, null, 'theOther', 'Dad') (1, null, 'theOther', 'Foo')
(2, null, 'this', 'GreatGrandpa') (2, null, 'this', 'Grandpa') (2, null, 'this', 'Dad') (2, null, 'this', 'Foo')
(2, null, 'that', 'GreatGrandpa') (2, null, 'that', 'Grandpa') (2, null, 'that', 'Dad') (2, null, 'that', 'Foo')
(2, null, 'theOther', 'GreatGrandpa') (2, null, 'theOther', 'Grandpa') (2, null, 'theOther', 'Dad') (2, null, 'theOther', 'Foo')