maeharin

<?php                                                                                                                                                                               
// ワンソース

function event() {
    $args = func_get_args();

    $name = array_shift($args);
    $callable = array_pop($args);

    $is_call = $callable();

maeharin

<?php
$t = microtime(ture);
for($i = 0; $i < 1000000; $i++) {(string)$i;}
echo microtime(ture) - $t;   

maeharin

<?php

class C
{
    protected $middleware;

    public function __construct() {
        $this->middleware = array($this); //Cオブジェクト自身を参照させる
    }

maeharin

<?php
namespace A;
class C
{
  static function foo() {echo "A_foo\n";}
}

namespace B;
class C
{

maeharin

$ psql dbname -U username -F ',' -A -c 'select * from users limit 10'

maeharin

$ ls | ruby -nle '$_.scan(/\d{8}/) {|m| File.rename(m, m.sub(/(\d{4})(\d{2})(\d{2})/) {"#{$1}_#{$2}_#{$3}"})}'

maeharin

var c = {name: 'hoge'};
(function() {this.echo = function() {console.log(this);};}).call(c);
c.echo();

maeharin

# マッチした最初の文字を置換
cat hoge.txt | ruby -pe '$_.sub!("hoge", "fuge")' > fuge.txt

# マッチした全ての文字を置換
cat hoge.txt | ruby -pe '$_.gsub!("hoge", "fuge")' > fuge.txt

maeharin

# bash
# <と(の間はスペースが入らない
diff <(command1) <(command2)

# bash以外
command1 | ( command2 | diff /dev/fd/3 -) 3<&0

maeharin

# カレントディレクトリのディレクトリのみ表示
ls -aF | grep -E '[^\.]+/$'