violetyk

#!/usr/bin/env node

const
    fs = require('fs'),
    path = require('path'),
    markdownpdf = require('markdown-pdf');

const walk = (dir, callback) => {    
    fs.readdirSync(dir).forEach((item) => {
        const filePath = path.join(dir, item);

violetyk

<?php
var_dump(ini_get('precision'));
var_dump(ini_get('serialize_precision'));

$test = [
        'rank1' => 32.361 * 1000,
        'rank2' => 32.361 * 1,
        'rank3' => 32.361 * 10,
        'rank4' => 32.361 * 100,
        'rank5' => (int)(string)(32.361 * 1000),

violetyk

<?php
function f($in, $required) {
    $keys = array_keys(array_intersect_key(($in), array_flip($required)));
    sort($keys);
    sort($required);
    return $keys === $required;
}

$required = array('key1', 'key2');

violetyk

CREATE TABLE `samples` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `comment` varchar(255) NOT NULL,
  `created` datetime NOT NULL,
  PRIMARY KEY (`id`,`created`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
PARTITION BY RANGE COLUMNS(`created`) (
PARTITION samples_p20170427 VALUES LESS THAN('2017-04-28 00:00:00'),
PARTITION samples_p20170428 VALUES LESS THAN('2017-04-29 00:00:00')
);

violetyk

<?php
$a = array('name' => array( 'error1', 'error2'));
$b = array('email' => array('error3', 'error4'));
$errors = array_merge($a, $b);


$result = array_reduce($errors, function($c, $v) { return array_merge($c, $v); }, array());
print_r($errors);
print_r($result);
print_r(implode('\n', $result));

violetyk

mkdir ~/build
cd ~/build
wget https://www.kernel.org/pub/software/scm/git/git-2.9.0.tar.gz
tar xzf git-2.9.0.tar.gz
cd git-2.9.0
make prefix=/usr/local all
make prefix=/usr/local install
git --version

violetyk

<?php
$data = '';
$list = array();
if (!empty($_POST['data'])) {
    $data = $_POST['data'];
    $matches = array();
    $result = preg_match_all("/u'(.*)',|'(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})',/", $data, $matches);
    if ($result) {
        $subjects = $matches[1];
        $subjects[0] = array_filter($matches[2])[0];

violetyk

---

#################### gather fact about subnet
- name: gather a fact about subnet
  ec2_vpc_subnet_facts:
    region: '{{ vpc_region }}'
    filters:
      'tag:Name': '{{ site_name }}-{{ stage }}-bastion'
      'tag:env': '{{ stage }}'
      'tag:Tier': bastion

violetyk

print isinstance(1, (int, unicode))
#  True

print isinstance(u'text', (int, unicode))
#  True

print isinstance('8-bit string', (int, unicode))
#  False

violetyk

方針

• rootがない状況なので $HOME/local へ入れる
• configureで使うライブラリがないので apt-cache search hoge でさがして apt-get source hoge で入れて configure, make, make installする

ホームディレクトリ

cd ~
mkdir -p {bin,tmp,etc/profile.d,swap,undo,backup,tags,src,.trash,.tmux,build}