김정환 jeonghwan-kim

자바스크립트 엔지니어

jeonghwan-kim / index.html

Created May 21, 2022 08:34

react strict mode

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>React strict mode test</title>
	</head>
	<body>
	<div id="app"></div>

jeonghwan-kim / generateHashLikeId.ts

Last active May 18, 2022 00:33

Generate hash-like id

	const createId = (text = Date.now().toString().substring(0, 10)) => {
	const m = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"]; // 0 ~ 9
	let hash = "";

	for (let i = 0; i < text.length; i++) {
	if (i > 6) {
	hash += text[i];
	} else {
	hash += m[Number(text[i])];
	}

jeonghwan-kim / is_installed.sh

Created February 16, 2017 02:09 — forked from JamieMason/is_installed.sh

Check if a program exists from a bash script. Thanks to twitter.com/joshnesbitt and twitter.com/mheap for the help with detecting npm packages.

	#!/bin/bash

	# Functions ==============================================

	# return 1 if global command line program installed, else 0
	# example
	# echo "node: $(program_is_installed node)"
	function program_is_installed {
	# set to 1 initially
	local return_=1

jeonghwan-kim / _service.md

Created June 20, 2016 02:19 — forked from naholyr/_service.md

Sample /etc/init.d script

Sample service script for debianoids

Look at LSB init scripts for more information.

Copy to /etc/init.d:

# replace "$YOUR_SERVICE_NAME" with your service's name (whenever it's not enough obvious)

jeonghwan-kim / jekyll-pagination-links.html

Created February 11, 2016 13:11

jekyll-pagination-links.html

	<!-- Pagination Links -->
	{% if paginator.total_pages > 1 %}
	<div class="pagination">
	{% if paginator.previous_page %}
	<a href="{{ paginator.previous_page_path \| prepend: site.baseurl \| replace: '//', '/' }}">« Prev</a>
	{% else %}
	<span>« Prev</span>
	{% endif %}

	{% for page in (1..paginator.total_pages) %}

jeonghwan-kim / Gulpfile for Mocha & Node.js

Created January 22, 2016 07:55 — forked from donovanh/Gulpfile for Mocha & Node.js

	// Include gulp
	var gulp = require('gulp');

	// Include Our Plugins
	var jshint = require('gulp-jshint');
	var sass = require('gulp-sass');
	var concat = require('gulp-concat');
	var uglify = require('gulp-uglify');
	var rename = require('gulp-rename');
	var mocha = require('gulp-mocha');

jeonghwan-kim / add-multiple-column-in-sequelize-migration.js

Created January 11, 2016 12:33

	module.exports = {
	up: function (queryInterface, Sequelize) {
	return [
	queryInterface.addColumn('User', 'name', {
	type: Sequelize.STRING
	}),
	queryInterface.addColumn('User', 'nickname', {
	type: Sequelize.STRING,
	})
	];

jeonghwan-kim / addColumn-with-fk-by-sequelize.js

Created January 11, 2016 12:19

	module.exports = {
	up: function (queryInterface, Sequelize) {
	// raw query
	// add column and foreign key constrant
	var sql = "ALTER TABLE `Friend`" +
	" ADD COLUMN `UserId` BIGINT(20) UNSIGNED DEFAULT NULL" +
	", ADD CONSTRAINT `fkUserIdInFriend` FOREIGN KEY (`UserId`) REFERENCES `User` (`id`) ON UPDATE CASCADE ON DELETE RESTRICT";

	// run the query
	return queryInterface.sequelize.query(sql, {

jeonghwan-kim / sanitize_filename_on_upload.php

Last active January 11, 2016 12:02

	<?php
	function sanitize_filename_on_upload($filename) {
	$ext = end(explode('.', $filename));

	// Replace all weird characters
	$sanitized = preg_replace('/[^a-zA-Z0-9-_.]/', '_', substr($filename, 0, -(strlen($ext)+1)));

	// Replace dots inside filename
	$sanitized = str_replace('.', '-', $sanitized);

jeonghwan-kim / morgan-helper.js

Last active December 23, 2015 00:24

	var morgan = require('morgan');

	/**
	* morgan wrapper
	* @returns {morgan}
	*/
	module.exports = function setLogger() {
	// http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x329.html
	var red = '\x1B[31m',
	green = '\x1B[32m',