asm-jaime’s gists

asm-jaime / grid.clasterization.js

Created September 18, 2020 07:53

fast clasterization by k-mean+grid on javascript

	const grid_clasterization = (points, quadrant_size, grid_size, x_max, y_max) => {
	const quadrants = Array.apply(null, {length: Math.ceil(grid_size/quadrant_size)}).map(e => 0);
	const grid_width = Math.sqrt(grid_size);
	const quadrant_width = Math.sqrt(quadrant_size);

	const grid_quadro_x_size = (x_max / grid_width)*quadrant_width;
	const grid_quadro_y_size = (y_max / grid_width)*quadrant_width;

	for(const point of points) {
	const x_index = (Math.ceil(point.x/grid_quadro_x_size) - 1);

asm-jaime / index.html

Created February 13, 2020 15:13

button, open json data in new tab

	<button onClick={() => {
	const jsonData = JSON.stringify(state, null, 2);
	const w = window.open();
	w.document.open();
	w.document.write('<html><body><pre>' + jsonData + '</pre></body></html>');
	w.document.close();
	}}>open</button>

asm-jaime / fetch-b64.js

Created June 15, 2018 15:07

convert Image url to Base64 with use fetch

	const fetch = require('node-fetch');

	function btob64(buff) {
	let binary = '';
	const bytes = (new Array()).slice.call(new Uint8Array(buff));

	for(let i = 0; i < bytes.length; ++i){
	binary = binary + String.fromCharCode(bytes[i]);
	}

asm-jaime / index.html

Last active May 17, 2018 16:40

good grid+flexbox

asm-jaime / braces_valid.js

Last active May 12, 2018 05:04

javascript braces validation, with use array and object as dictionary

asm-jaime / index.html

Last active May 10, 2018 08:14

one file MVC

	<!DOCTYPE html>
	<html lang="ru">
	<head>
	<meta charset="UTF-8">
	<title>pistonizator</title>
	</head>
	<body style="text-align: center; font-size: 24px;">
	<p>MVC</p>
	<img id="mainv" src="http://fb.ru/misc/i/gallery/51506/2272349.jpg"></img>
	<br/>

asm-jaime / 12345.html

Created May 8, 2018 20:16

12345 mutations and diffs

	<!DOCTYPE html><html><head><style type="text/css">
	#main_wrapper {
	margin: 0;
	padding: 0;
	overflow: none;
	}

	.nvtooltip {
	position: absolute;
	background-color: rgba(255,255,255,1);

asm-jaime / 1234.html

Created May 8, 2018 20:14

1234 mutation and diffs

	<!DOCTYPE html><html><head><style type="text/css">
	#main_wrapper {
	margin: 0;
	padding: 0;
	overflow: none;
	}

	.nvtooltip {
	position: absolute;
	background-color: rgba(255,255,255,1);

asm-jaime / tree_walker.js

Created May 4, 2018 14:50

this javascript example about tree traversal with use recursion and simple cycle while

	// ========== data
	const data = [{
	"value":49,
	"childs":[
	{"value":54, "childs":[
	{"value":25, "childs":[{"value":5, "childs":[]},{"value":5, "childs":[]}]},
	{"value":15, "childs":[{"value":25, "childs":[]},{"value":125, "childs":[]},{"value":625, "childs":[]},{"value":55, "childs":[]}]},
	{"value":35, "childs":[{"value":25, "childs":[]}]}
	]},
	{"value":55, "childs":[{"value":85, "childs":[]},{"value":45, "childs":[]},{"value":25, "childs":[]}]},

asm-jaime / mgo.go

Last active December 24, 2017 04:58

go mgo mongodb+test example, test insert same data to unique key

Jaime asm-jaime