When To Subscribe

Ben Lesh has a terrific article called “Don’t Unsubscribe”, telling you why you are better off not explicitly unsubscribing, but instead relying on constructs that cause the unsubscriptions to happen. In that spirit, Michael wanted to title this article “Don’t Even Subscribe”, but the truth is, there are a few places where you have to subscribe, so he settled for the less-emphatic title you see. - http://amp.gs/VMir

#angular

Exploring JavaScript Modules: From IIFEs to CommonJS to ES6 Modules

A commonly 'under-learned' aspect of JavaScript is the module system, but given its unusual and varied history, that might not be a surprise. In this post (which also comes in video form), Tyler McGinnis provides a useful refresher of module approaches, both past and present. - http://amp.gs/V50b

#javascript

Browser Rendering Optimizations for Frontend Development

Jordan Irabor explores the conditions that can enable and prevent a web application to run optimally at 60 frames per second and looks at several optimizations that you can plug into the browser’s rendering pipeline. - http://amp.gs/VQtM

#frontend #optimization

Build an App with Everything New and Noteworthy in Angular 7 - http://amp.gs/VQSe

#angular

First Adventures with Nuxt

This article documents the rebuild of a web application written with Express and Vue with Nuxt.js. The idea was to have both server and client-side rendering handled in the one place by the same framework. - http://amp.gs/VchA

#vue

Your CSS Layout Toolkit for 2019

Goes through what we have now and what is coming next for CSS layout. - https://www.youtube.com/watch?v=5XsZnCwbgwA

#video #css

Node Multithreading: What Are Worker Threads and Why Do They Matter?

Since the release of Node 10.5, a new worker_threads module has opened up the possibility of building multi-threaded Node apps. It’s now enabled by default in Node 11.7 (above) so it’s a good time to dig in. - http://amp.gs/V6mk

#nodejs

State Management in Angular Using Firebase and RxJS

A rather extensive and practical tutorial. - http://amp.gs/Vbzl

#angular #firebase #rxjs

Why Founders Should Start With a Website, Not a Mobile App

The author explains their reasons why founders should almost always build a website first instead of a native app in the early days of a startup. - http://amp.gs/9IZC

#news

HTML5's Input Types: Where Are They Now?

HTML5 introduced 13 new types of form input (think things like type="color”), adding significantly to the number of different fields we could add to our forms. But what is the state of those field types today? - http://amp.gs/9IQF

#html5

The TypeScript Tax: A Cost vs Benefit Analysis

TypeScript’s becoming increasingly popular, but is it worth it? Eric Elliott presents some critical, data-driven analysis to establish the viability of using TypeScript when building larger apps. - http://amp.gs/9jok

#typescript

Discover the Pros and Cons of the Facade Pattern in NgRx

In this article we will learn about the facade pattern, why you may or may not want to use one with NgRx, and how to create a facade. - http://amp.gs/985o

#angular #ngrx

How to Preview Images Before Uploading Them in Vue

Most users these days expect to see a preview of the image they’ve chosen to upload before clicking the upload button. If you want to have a custom solution for your app, here’s how you can do that in Vue. - http://amp.gs/9TJE

#vue

A Better Way to Develop Node Apps with Docker

If you’re not using Docker yet due to the perceived complexity, this tutorial really boils things down to the absolute basics of what you can do to take advantage of it to build Node apps complete with hot module reloading. - http://amp.gs/9zDG

#nodejs #docker

What’s New in DevTools in Chrome 73

Quite a lot of smaller things, including ‘Logpoints’ a way to log messages to the console without adding console.log() calls, keyboard navigation of the console, and the ability to manage geolocation overrides. - http://amp.gs/913B

#devTools #chrome

RxJS: applying asyncScheduler as an argument vs with observeOn operator

If you are not familiar with Schedulers in RxJS, there is a short overview in Alexander’s article about queueScheduler. In short — asyncScheduler allows you emit each value in a separate macrotask (in terms of browser event-loop queue tasks). - http://amp.gs/9Ydl

#rxjs

The “Bug-O” Notation

Big O helps us think about the running time or memory complexity of our algorithms, but here Dan Abramov urges us to think about Bug-O (or how much an API slows you down as your codebase grows). - http://amp.gs/9tR8

#javascript

Using Joi for Code Validation on Node and Express Codebases

Joi is a long-standing schema-based object validator for JavaScript. - http://amp.gs/9mR3

#nodejs

Infinity CSS Grid

You can add as many columns as you like, and you can merge the columns or insert columns inside columns. Everything is 0.1 Kb and it even works in IE10. - http://amp.gs/9m02

#css #grid #components

How to configure Webpack 4 with Angular 7: a complete guide

The Angular CLI makes it easy to create an application that already works, right out of the box. It is a great tool, but have you never thought: “How does it work? How can I build an application without the CLI?” - http://amp.gs/9Zkw

#angular