rezonn’s gists

rezonn / httpsServ.sh

Last active August 16, 2020 13:47

https server nodes openssl

	cd "${0%/*}"


	cat > "app.js" <<- EOM
	const https = require('https');
	const fs = require('fs');
	const options = {
	key: fs.readFileSync('key.pem'),
	cert: fs.readFileSync('cert.pem')
	};

rezonn / mediarecorder.html

Last active October 19, 2020 15:52

	<meta charset="utf-8">
	<title>MediaRecorder</title>
	<script>

	function newhtml(tag,attributes,ths) {
	var rv = document.createElement(tag);
	for (var x in attributes) {
	if (x!="style") rv[x] = attributes[x];
	else {
	for (var s in attributes[x]) {

rezonn / post canvas.js

Created August 13, 2020 04:59

	async function upload(canvas,url) {
	let blob = await (new Promise(resolve => canvas.toBlob(resolve)));
	try {
	const response = await fetch(url,
	{
	method:'POST',
	headers:{
	'Content-Type':'application/octet-stream'
	},
	body:blob

rezonn / text to speech.js

Created June 13, 2020 15:45

window.speechSynthesis.speak(new SpeechSynthesisUtterance("From fairest creatures we desire increase, That thereby beauty's rose might never die, But as the ripershould by time decease,His tender heir might bear his memory"));

rezonn / TF_trainable_function.html

Last active May 12, 2020 15:19

TensorFlow.js trainable function javascript

	<html>
	<head>
	<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs@1.0.0/dist/tf.min.js"></script>
	<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs-vis@1.0.2/dist/tfjs-vis.umd.min.js"></script>
	<script>
	function plot(x,y,z) {
	var [x_,y_,z_] = [x,y,z\|\|y].map( (t)=>t.arraySync() );
	var p = x_.map(function(x__,i){return {x:x__,y:y_[i]} });
	var p1 = x_.map(function(x__,i){return {x:x__,y:z_[i]} });
	tfvis.render.scatterplot({name:"",tab:'Charts'},{values:[p,p1]});

rezonn / macos_tips.sh

Last active June 5, 2022 10:49

macOS terminal tips

	#update nodejs
	sudo npm cache clean -f
	sudo npm install -g n
	sudo n stable

	#macos python -> ssh -> win10
	cat helloworld.py \| ssh username@192.168.1.4 python -

	#all webm to mp4
	for f in *.webm; do ffmpeg -fflags +genpts -i "$f" -r 24 "$f.mp4"; done

rezonn / OpenCV_example.htm

Created May 6, 2020 03:22

OpenCV.js basic example

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<script type="text/javascript">

	function ascript(src){
	return new Promise((resolve, reject) => {
	let script2 = document.createElement('script');
	script2.async = true;

rezonn / run.bat

Created May 5, 2020 07:41

Desktop application from JavaScript. Chrome app mode. Windows 10

	cd %~dp0
	"%PROGRAMFILES(X86)%\Google\Chrome\Application\chrome.exe" --app=http://localhost:8000/index.html \| node.exe server.js
	pause

rezonn / webgl.htm

Created May 5, 2020 07:18

100% Native Javascript WebGL

	<!DOCTYPE HTML>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<script id="vshader" type="VERTEX_SHADER">
	uniform mat4 position;
	uniform mat4 camera;
	attribute vec3 aVertexPosition;
	void main() {
	gl_Position = position * camera * vec4(aVertexPosition, 0.9);

rezonn / Connect_raspberry_to_router.sh

Created May 5, 2020 04:39

Connect Raspberry/OperWRT to router via LAN. Terminal/UCI

	#setup router as '192.168.1.200' in router settings
	uci set network.lan.ipaddr='192.168.1.1'
	uci set network.lan.gateway='192.168.1.200'
	uci set network.lan.dns='8.8.8.8'
	uci commit && service network restart