Jin Lim limjinsun

brew install jemalloc

❯ find /usr -iname "*jemalloc*"

find: /usr/sbin/authserver: Permission denied

Rails controller explained.

https://medium.com/podiihq/understanding-rails-routes-and-restful-design-a192d64cbbb5

Image Uploading

https://pusher.com/tutorials/photo-sharing-ruby-rails

https://medium.com/@anaharris/how-to-add-image-upload-functionality-to-your-rails-app-9f7fc3f3d042

스프링 부트앱을 war파일로 톰캣에 배포할때 코드샘플

@SpringBootApplication
public class SpringBootWarDeploymentApplication  extends SpringBootServletInitializer {
	
	@Override
 protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {

자바 스프링 jar파일 디플로이할때 셋업 샘플

/etc/systemd/system/luasjar.service root@vps584959:/etc/systemd/system# cat luasjar.service

[Unit]
Description=Spring Boot HelloWorld
After=syslog.target
After=network.target[Service]

하이버네트 many to many 릴레이션 셋업

Many to Many 릴레이션 셋업은 필수적으로 중간의 조인테이블이 필요하다.

SET foreign_key_checks=0;

CREATE TABLE `course_student` (
  `course_id` int(11) NOT NULL,

하이버네트에서 원투매니 릴레이션 세팅법

DROP SCHEMA IF EXISTS `hb-03-one-to-many`;

CREATE SCHEMA `hb-03-one-to-many`;

use `hb-03-one-to-many`;

	/* eslint-disable */
	!(function(D, u) {
	"object" == typeof exports && "undefined" != typeof module
	? u(exports)
	: "function" == typeof define && define.amd
	? define(["exports"], u)
	: u(((D = D \|\| self).window = D.window \|\| {}));
	})(this, function(e) {
	"use strict";
	var v = "";

	<%= form_with(model: school, local: true) do \|form\| %>

	<% if school.errors.any? %>
	<div id="error_explanation">
	<h2><%= pluralize(school.errors.count, "error") %> prohibited this school from being saved:</h2>

	<ul>
	<% school.errors.full_messages.each do \|message\| %>
	<li><%= message %></li>
	<% end %>

	@font-face {
	font-family: 'Kakao';
	font-style: normal;
	font-weight: 400;
	src: local('Kakao Regular'), local('KakaoOTF Regular'),
	url('https://cdn.jsdelivr.net/gh/kakao/kakao.github.io/assets/fonts/KakaoOTF-bRg.eot') format('eot'),
	url('https://cdn.jsdelivr.net/gh/kakao/kakao.github.io/assets/fonts/KakaoOTF-bRg.woff2') format('woff2'),
	url('https://cdn.jsdelivr.net/gh/kakao/kakao.github.io/assets/fonts/KakaoOTF-bRg.woff') format('woff'),
	url('https://cdn.jsdelivr.net/gh/kakao/kakao.github.io/assets/fonts/KakaoOTF-bRg.otf') format('opentype');
	}

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