Yoshiaki Ueda (bootjp) bootjp

🏠

Working from home

Software engineer for distributed storage, low latency content delivery and real-time network system.

bootjp / bench.kt

Created November 15, 2017 04:07

Kotlin benchmark String.format vs String.replace

	import org.apache.commons.lang.RandomStringUtils
	import java.util.*

	fun main(args: Array<String>) {
	val tryCount = 1000000
	val formatStart = Date()
	for (i in 1..tryCount) {
	var string = "%s%s%s"
	string += RandomStringUtils.randomAlphabetic(10)
	val aa = string.format(RandomStringUtils.randomAlphabetic(3), RandomStringUtils.randomAlphabetic(3), RandomStringUtils.randomAlphabetic(3))

bootjp / 0_reuse_code.js

Created September 20, 2017 06:48

Here are some things you can do with Gists in GistBox.

	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console

bootjp / append_noopener.js

Last active March 18, 2017 00:29

append noopener.js

	Array.prototype.slice.call(document.getElementsByTagName('a')).forEach(function(element) {
	if (element.target === '_blank' && element.rel.indexOf('noopener') === -1) {
	element.rel += ' noopener';
	}
	});

bootjp / display_error_code.sh

Last active January 29, 2017 10:23

bash command error view. fork from : http://qiita.com/takayuki206/items/f4d0dbb45e5ee2ee698e

	# this file added ~/.bashrc
	# fork from http://qiita.com/takayuki206/items/f4d0dbb45e5ee2ee698e
	function __show_exit_code() {
	local status=$(echo ${PIPESTATUS[@]})
	local SETCOLOR_FAILURE="echo -en \\033[1;31m"
	local SETCOLOR_NORMAL="echo -en \\033[0;39m"

	for s in ${status}
	do
	if [ ${s} -ne 0 ]; then

bootjp / wp_ad_switch.js

Last active January 21, 2017 11:48

my wordpress ad switch javascript

	(function() {
	var metas = document.getElementsByTagName('head')[0].getElementsByTagName('meta');

	for (var index = 0; index < metas.length; index++) {
	if (metas[index].name === 'keywords' && metas[index].content.indexOf('技術系') !== -1) {
	console.log('技術記事');
	break;
	}
	}

bootjp / gist:83626973f7674e28f1ef29a250ea0b6e

Created October 7, 2016 13:31

Linuxカーネルのチューニング

# vim /etc/sysctl.conf

# 共有メモリの最大サイズ。サーバーの搭載メモリ(1GB)に合わせて変更
kernel.shmmax      = 1073741824

bootjp / curl.sh

Last active October 29, 2017 03:37

Web Server Trouble Shooting By Responsetime

while true; do sleep 3; curl -o /dev/null -sw  %{time_total}\\n  https://bootjp.me/ ;done

bootjp / curl.sh

Created March 21, 2016 12:10

Web Server Travel Shooting for header

while true; do sleep 3; curl --head -Ss https://bootjp.me/ | head -n 1 ;done

bootjp / test.html

Last active December 13, 2015 02:54

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>iOS9 And iPhone6Plus fixed element displayed tab bar is click event not working</title>
	</head>
	<body>
	<style>
	.fixed {
	position: fixed;

bootjp / sample.html

Last active November 30, 2015 14:39

	<!DOCTYPE html>
	<html lang="ja">
	<head>
	<meta charset="UTF-8">
	<title>iOS9 fixed element delay bug?</title>
	<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"/>
	<body>
	<p>scroll pages!!</p>
	<div class="sample_element" style="position: fixed;top: 30px;">this is fixed</div>
	<div class="sample_element" style="position: absolute;color: #333; top: 250px;">this is absolute</div>