ytkhs

Keybase proof

I hereby claim:

• I am ytkhs on github.
• I am ytkhs (https://keybase.io/ytkhs) on keybase.
• I have a public key whose fingerprint is 9BAF 6EEF DBD6 6336 47EC ACC1 6416 6A09 1572 E0EC

To claim this, I am signing this object:

ytkhs

var resultFiles = [];

// 再帰的にファイルを探す
function getAllFiles(folder, path) {
 

  // まずこの階層のファイル
  var files = folder.getFiles();
  while(files.hasNext()){
    var file = files.next();

ytkhs

$arr = ['a' => 'Alice', 'b' => 'Bob'];

# 今まで（ポインタが移動しちゃう）
end($arr);
# => "Bob"

# 存在チェックが必要なのでこれはこれで長い。いい方法あるかな？
$lastkey = array_key_last($arr);
array_key_exists($lastkey, $arr) ? $arr[$lastkey] : null
# => "Bob"

ytkhs

package main

import (
    "fmt"
    "time"
)

func main() {
    fmt.Println(IsPremiumFriday("2017-02-24")) // true
    fmt.Println(IsPremiumFriday("2017-02-25")) // false

ytkhs

<?php
function is_premium_friday(Datetime $date) {
    return $date->diff(new DateTime(sprintf('last Fri of %s', $date->format('Y-m'))))->format('%d') == 0;
}


var_dump(is_premium_friday(new Datetime('2017-02-23'))); // false
var_dump(is_premium_friday(new Datetime('2017-02-24'))); // true
var_dump(is_premium_friday(new Datetime('2017-02-25'))); // false
var_dump(is_premium_friday(new Datetime('2017-03-31'))); // true

ytkhs

RemoteIPHeader X-Forwarded-For
#RemoteIPTrustedProxy 172.16.0.0/16
RemoteIPInternalProxy 172.16.0.0/16


<Directory "/var/www/html">
    AllowOverride All
    Options ExecCGI FollowSymlinks MultiViews
    <RequireAny>
        Require ip xx.xx.xx.xx

ytkhs

select
  table_name,
  engine,
  table_rows,
  avg_row_length,
  floor((data_length+index_length)/1024/1024) AS MB
from
  information_schema.tables
where
  table_schema = 'DATABASE_NAME'

ytkhs

-- 読み取り専用にする
FLUSH TABLES WITH READ LOCK;
SET GLOBAL read_only = ON;

-- バックアップとかDBサーバの移設作業とか --

-- 元に戻す
SET GLOBAL read_only = OFF;
UNLOCK TABLES;

ytkhs

go get github.com/labstack/echo/...

ytkhs

// root user
show variables like '%general_log%';
set global general_log='ON'

set global general_log='OFF'