Manjunatha D manjunatha-d

The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

Thanks everyone for participating in the quiz!
Many of you have posted correct answers.

What we know:

A top-level App component returns <Button /> from its render() method.

Question:

>What is the relationship between `` and this in that `Button`’s `render()`?

Javascript Deep Dive

This document is written to help JavaScript developers to understand JavaScript's weird parts deeply and to prepare for interviews, the following resources was really helpful to write this document:

General Notes

How to prepare for technical interviews at companies like Amazon, Flipkart, Google, Microsoft, Swiggy, Uber, etc?

Interview Rounds

Generally, there are two major types of technical interviews that companies have in India:

Problem Solving & Data Structures Round
Machine Coding Round

If you're aiming the traditional giants like Google, Microsoft, Amazon, etc, then you should focus solely on problem-solving & data structures (PS/DS).

	/*
	In the node.js intro tutorial (http://nodejs.org/), they show a basic tcp
	server, but for some reason omit a client connecting to it. I added an
	example at the bottom.

	Save the following server in example.js:
	*/

	var net = require('net');

	taken directly from https://sites.google.com/a/khanacademy.org/forge/for-developers/code-review-policy/using-phabricator

	Advanced topic: Dependent Phabricator reviews

	Say you have an upstream called master, and a feature branch F1, and a second change that depends on F1, (call it F2).
	git checkout master
	git checkout -b F1
	# work work
	git commit -a
	arc diff

	import { Component } from "React";

	export var Enhance = ComposedComponent => class extends Component {
	constructor() {
	this.state = { data: null };
	}
	componentDidMount() {
	this.setState({ data: 'Hello' });
	}
	render() {

	function mapValues(obj, fn) {
	return Object.keys(obj).reduce((result, key) => {
	result[key] = fn(obj[key], key);
	return result;
	}, {});
	}

	function pick(obj, fn) {
	return Object.keys(obj).reduce((result, key) => {
	if (fn(obj[key])) {

	// connect() is a function that injects Redux-related props into your component.
	// You can inject data and callbacks that change that data by dispatching actions.
	function connect(mapStateToProps, mapDispatchToProps) {
	// It lets us inject component as the last step so people can use it as a decorator.
	// Generally you don't need to worry about it.
	return function (WrappedComponent) {
	// It returns a component
	return class extends React.Component {
	render() {
	return (