hn3000’s gists

hn3000 / gist:98ecc891c5588de6445bbe28016d78ad

Created February 16, 2017 07:08

tweetable JSON Pointer Implementation in modern JavaScript

	/**
	* p is pointer
	* o is object
	* returns value pointed at by p or undefined
	*/
	(p,o) => p.split("/").slice(1).map(s => s.replace(/~1/g,'/').replace(/~0/g,'~')).reduce((o,k) => o&&o[k], o)

	( https://twitter.com/hn3000/status/744970555883925504 )

hn3000 / samldecode.js

Created April 12, 2017 23:06

real simplistic SAML request decoder

	#!/usr/bin/env node
	var { Buffer } = require('buffer');
	var zlib = require('zlib');
	var param = process.argv[2];
	var raw = Buffer.from(decodeURIComponent(param), 'base64');
	var decoded = zlib.inflateRawSync(raw);

	console.log(decoded.toString());

hn3000 / gist:af9c0584a45f71c40b1ed48ce41fe057

Created June 1, 2017 22:28

so-so stuff to use with react

	# List of state management libraries

	https://github.com/mobxjs/mobx
	https://github.com/mobxjs/mobx-react

	https://github.com/reflux/refluxjs

	https://github.com/mattdennewitz/universal-redux-boilerplate
	https://github.com/olegakbarov/react-redux-starter-kit

hn3000 / gist:7b6a04105017010aecb8778e28dc4b03

Last active July 11, 2017 11:52

include images and other resources in a repo's wiki

	1) add the resource into a folder of the wiki repository
	1a) clone the wiki repo, it's git url can be found on the right hand side of wiki pages
	1b) create folder, add resource, push to repo
	2a) add link to resource: [link to pdf](../assets/Filename.pdf)
	2b) image link: [[assets/image.png]]

hn3000 / gist:02d75ab05921701412cd4247f8e2e909

Created July 12, 2017 09:14

collection of typescript typing snippets


	// make sure literal conforms to type
	let var: Type = {
	prop,
	prop2: 123,
	extra: 'value' // will give an error for extra properties
	};


	// make sure properties from type are spelled correctly

hn3000 / aggregation.ts

Created November 14, 2017 23:05

(pretty) generic aggregation / grouping function using reduce

hn3000 / numbers-by-width-in-font.html

Last active July 7, 2018 10:20

Sort numbers by width in Helvetica, as suggested by XKCD 2016

	<!doctype html>
	<html>
	<head>
	<title>Numbers ordered by width in Helvetica</title>
	<style>
	body { font: 13px Helvetica; }
	</style>
	</head>
	<body>
	<h1>Sort numbers by Width</h1>

hn3000 / round-to-digits.js

Created October 1, 2018 21:14

	function roundToDigits(x,n) {
	let digits = Math.ceil(Math.log(x) / Math.log(10));

	let scale = Math.pow(10, n - digits);

	return Math.round(x * scale)/scale;
	}

hn3000 / shallowMerge.ts

Created November 13, 2018 11:56

shallow merge, one of my favourites

	function shallowMerge(a:any, b:any):any {
	let result:any = {};
	let tmp:any = {};
	Object.keys(a).forEach((x) => tmp[x]=x);
	Object.keys(b).forEach((x) => tmp[x]=x);
	let keys = Object.keys(tmp);

	for (var k of keys) {
	result[k] = null != b[k] ? b[k] : a[k];
	}

hn3000 / gist:8ea3eab2910fa37a9e8321f106310947

Created November 19, 2018 13:30

my vscode (-insiders) extensions

	$ code-insiders --list-extensions
	GregorBiswanger.json2ts
	Pivotal.vscode-boot-properties
	abotteram.typescript-react-snippets
	alefragnani.project-manager
	alexcvzz.vscode-sqlite
	Arjun.swagger-viewer
	bajdzis.vscode-database
	chrmarti.regex
	cssho.vscode-svgviewer