kmoskwiak

blender -b bedroom.blend -E CYCLES -o /home/ubuntu/work/renders/bedroom_##### -f 1 -- --cycles-device CUDA

kmoskwiak

const CHUNK_SIZE = 10000000; // 10MB

async function main() {  
  for await(const chunk of generateChunks('./file', CHUNK_SIZE)) {
    // do someting with data       
  }
}

main();

kmoskwiak

async function* generateChunks(filePath, size) {
    const sharedBuffer = Buffer.alloc(size);
    const stats = fs.statSync(filePath); // file details
    const fd = fs.openSync(filePath); // file descriptor
    let bytesRead = 0; // how many bytes were read
    let end = size; 
    
    for(let i = 0; i < Math.ceil(stats.size / size); i++) {
        await readBytes(fd, sharedBuffer);
        bytesRead = (i + 1) * size;

kmoskwiak

function readBytes(fd, sharedBuffer) {
    return new Promise((resolve, reject) => {
        fs.read(
            fd, 
            sharedBuffer,
            0,
            sharedBuffer.length,
            null,
            (err) => {
                if(err) { return reject(err); }

kmoskwiak

apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana-deployment
spec:
  selector:
    matchLabels:
      run: grafana
  replicas: 1
  template:

kmoskwiak

const CHUNK_SIZE = 10000000; // 10MB
async function start() {
    const stream = fs.createReadStream('./file', { highWaterMark: CHUNK_SIZE });
    for await(const data of stream) {
       // do something with data 
    }
}
start();

kmoskwiak

const CHUNK_SIZE = 10000000; // 10MB
const data = fs.readFileSync('./file');
for(let bytesRead = 0; bytesRead < data.length; bytesRead = bytesRead + CHUNK_SIZE) {
 // do something with data 
}

kmoskwiak

import React, { useEffect, useState } from "react";

const App = () => {
  cosnt [article, setArticle] = useState({});

  useEffect(() => {
    fetch('https://api.example.com')
      .then(res => res.json())
      .then(data => setArticle(data));
  });

kmoskwiak

class Promyse {
    constructor(userFunction) {
        this.state = 'pending';
        this.thenCallback = null;
        this.errorCallback = null;

        userFunction(this._resolve.bind(this), this._reject.bind(this));
    }

    _resolve(data) {

kmoskwiak

const FORCE_ERROR = false;

function countUsersInDatabase() {
    return new Promise(function(resolve, reject) {
        setTimeout(function() {
            if(FORCE_ERROR) {
                return reject(new Error('database error'));
            } else {
                return resolve(44);
            }