dmitry-vsl’s gists

dmitry-vsl / index.js

Created November 11, 2024 01:53

JS intrinsic function can cause stackoverflow (node.js)

dmitry-vsl / gist:923505180afb03b286ec7dca15ecc958

Created September 23, 2024 02:03

Mocking with generators in JavaScript

	function delay(fn) {
	return function(...args) {
	return [fn, args]
	}
	}

	function a(arg) {
	// performs some IO operation that have to be mocked for testing
	return arg + 10
	}

dmitry-vsl / index.html

Created October 30, 2023 02:04

Dummy app generated with chat GPT: https://chat.openai.com/c/2cbc5531-37fb-407d-a86d-fa0049f8eae3

	<!DOCTYPE html>
	<html>
	<head>
	<title>Random Health Advice</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style>
	#coin {
	width: 100px;
	height: 100px;
	background-image: url('data:image/jpeg;base64,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

dmitry-vsl / package.json

Last active February 4, 2023 16:58

Simple suspend implementation

{"type": "module"}

dmitry-vsl / 19.js

Last active December 25, 2022 20:14

	const assert = require('assert')

	/*
	Blueprint 1:
	Each ore robot costs 4 ore.
	Each clay robot costs 2 ore.
	Each obsidian robot costs 3 ore and 14 clay.
	Each geode robot costs 2 ore and 7 obsidian.
	*/
	const bp_1 = [

dmitry-vsl / index.html

Last active September 1, 2021 13:23

	<script type='module'>

	async function* fromEvent(el, event){
	let resolve
	el.addEventListener(event, e => resolve(e))
	while(true){
	let promise = new Promise(_resolve => resolve = _resolve)
	yield await promise
	}
	}

dmitry-vsl / set_keys.py

Created March 10, 2021 11:40

Perform Polkadot setKeys tx from python

	import sys, json
	from substrateinterface import SubstrateInterface, Keypair
	from scalecodec.base import ScaleDecoder, RuntimeConfiguration, ScaleBytes
	from scalecodec.type_registry import load_type_registry_preset
	import requests

	URL = 'wss://fullnode-relay.chachacha.centrifuge.io'

	keysencoded = '...your keys from rotate keys here...'

dmitry-vsl / simple_treemap.js

Created January 26, 2020 11:31

Simple TreeMap (no balancing)

	class TreeMap {

	constructor(){
	this.root = null
	}

	get(key){
	return this.doGet(key, this.root)
	}

dmitry-vsl / rt.html

Last active December 17, 2019 21:27

Ray tracing

	<script>

	// TODO
	// отражение одно сферы с текстурой в другой зеркальной сфере
	// multiple light sources
	// multiple reflections
	// TODO multimethods
	// waves
	// зеркала напротив друг друга
	// сделать сочетание цветов

dmitry-vsl / index.html

Last active April 12, 2018 10:46

Grid demo