Skip to content

Instantly share code, notes, and snippets.

coverboy /
Created Aug 3, 2018 — forked from MarkTiedemann/
An Easier Way to Enforce Required Parameters in ES6

An Easier Way to Enforce Required Parameters in ES6

Expands on Handling required parameters in ECMAScript 6 by Axel Rauschmayer.

The idea (which is credited to Allen Wirfs-Brock) is, in essence, to use default parameter values to call a function which throws an Error if the parameter is missing:

const throwIfMissing () => { throw new Error('Missing parameter') }
coverboy / index.html
Last active Sep 16, 2018
html5 skeleton template
View index.html
<!doctype html>
<html lang="en">
<!--한글은 lang="ko" Learn more :>
<meta charset="utf-8">
<meta name="description" content="">
<meta name="author" content="">
<meta name="keywords" content="">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0">
coverboy / app.js
Created Oct 21, 2018 — forked from sogko/app.js
gulp + expressjs + nodemon + browser-sync
View app.js
'use strict';
// simple express server
var express = require('express');
var app = express();
var router = express.Router();
app.get('/', function(req, res) {
coverboy /
Created Mar 5, 2019 — forked from subfuzion/
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

coverboy /
Created Sep 6, 2020
spring boot logging level
log.trace("A Trace msg");
log.debug("A Debug msg");"An Info msg");
log.warn("A Warn msg");
log.error("An Error msg");
coverboy / intellij-java-google-style.xml
Last active Dec 19, 2020
View intellij-java-google-style.xml
<?xml version="1.0" encoding="UTF-8"?>
<code_scheme name="GoogleStyle_SK">
<option name="OTHER_INDENT_OPTIONS">
<option name="INDENT_SIZE" value="4" />
<option name="CONTINUATION_INDENT_SIZE" value="4" />
<option name="TAB_SIZE" value="4" />
<option name="USE_TAB_CHARACTER" value="true" />
<option name="SMART_TABS" value="false" />
<option name="LABEL_INDENT_SIZE" value="0" />
coverboy /
Created Jan 23, 2021 — forked from huyng/
A simple echo server to inspect http web requests
#!/usr/bin/env python
# Reflects the requests from HTTP methods GET, POST, PUT, and DELETE
# Written by Nathan Hamiel (2010)
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from optparse import OptionParser
class RequestHandler(BaseHTTPRequestHandler):
def do_GET(self):
coverboy /
Created Feb 16, 2021 — forked from vanpeerdevelopment/
Example of the use of the @Formatter:off and @Formatter:on annotations in eclipse to disable formatting for a piece of code.
public class Formatter {
* The next piece of code is not formatted
* because of the @formatter annotations.
// @formatter:off
public void nonFormattedMethod() {
int sum = 1 + 2 + 3 + 4 + 5;
coverboy / Dockerfile
Last active Jul 24, 2021
Jenkins as a Docker Container (Agent Role)
View Dockerfile
# Explanation :
FROM ubuntu:20.04
# First off, replace ubuntu repository for fast download.
# Check the official ubuntu repository mirror site
RUN sed --in-place 's/' /etc/apt/sources.list
RUN apt update && apt upgrade -y
coverboy / gist:36bde6ad5a8c19d402dda8a4a5fa9674
Created Feb 5, 2022
javascript function execution time
View gist:36bde6ad5a8c19d402dda8a4a5fa9674
const time_start = new Date().getTime();
// some function
const time_end = new Date().getTime();
console.log(`search elapsed time ==> ${(time_end - time_start) / 1000}s`);