toshimaru

$(window).on("scroll", function() {
	var scrollHeight = $(document).height();
	var scrollPosition = $(window).height() + $(window).scrollTop();
	if ((scrollHeight - scrollPosition) / scrollHeight === 0) {
	    // when scroll to bottom of the page
	}
});

toshimaru

Environment

• Ruby 3.1 (ruby:3.1 docker image)
• unicorn 6.1
• Rails 6.1

Workload

• Run unicorn with 4 worker processes
• Request 100 times to unicorn app

toshimaru

$('.info').on('click', function(){
  $('html, body').animate({
   scrollTop: $(this).offset().top
  }, 500);
});

toshimaru

<?php
function checktime($hour, $min, $sec) {
     if ($hour < 0 || $hour > 23 || !is_numeric($hour)) {
         return false;
     }
     if ($min < 0 || $min > 59 || !is_numeric($min)) {
         return false;
     }
     if ($sec < 0 || $sec > 59 || !is_numeric($sec)) {
         return false;

toshimaru

#!/bin/bash
set -x
set -e

export DEBIAN_FRONTEND=noninteractive

curl -LO https://dev.mysql.com/get/mysql-apt-config_0.7.3-1_all.deb
echo mysql-apt-config mysql-apt-config/select-product          select Apply              | sudo debconf-set-selections
echo mysql-apt-config mysql-apt-config/select-server           select mysql-5.7          | sudo debconf-set-selections
echo mysql-apt-config mysql-apt-config/select-connector-python select none               | sudo debconf-set-selections

toshimaru

$.ajax({
    url: "ajax.html",
    success: function(data) {
         alert('success!!');
    },
    error: function(data) {
         alert('error!!!');
    }
});

toshimaru

<?php
$PREFECTURE = [
     '1' => '北海道',
     '2' => '青森県',
     '3' => '岩手県',
     '4' => '宮城県',
     '5' => '秋田県',
     '6' => '山形県',
     '7' => '福島県',
     '8' => '茨城県',

toshimaru

• level-1
  • level-3
  • level-2
  • level-2
    • level-3

---

* level-3

• level-2

toshimaru

def a
  doc = <<-EOS
    def hello
      puts "Hello World!"
    end
  EOS
end

toshimaru

require 'benchmark/ips'

Benchmark.ips do |x|
  ary = []
  
  x.report(:a) {
    10_000.times do |num|
      ary << "#{num} #{num * 2} #{num * 3}"
    end
  }