Latest developer tech news from the world.

Understanding CORS - Cross-Origin Resource Sharing

If you ever worked with an AJAX call, you are probably familiar with the following error displayed in browser console:

Design Patterns for Cocoa: MVC and MVVM

In this article, you'll be learning about the MVC (Model-View-Controller) and the MVVM (Model-View-ViewModel) design patterns.

Format a Linux Disk as Ext4 from the Command Line

A quick guide that explain how to format a Linux Disk as Ext4 from the Command Line

Introducing npx: an npm package runner

Those of you upgrading npm to its latest version, npm@5.2.0, might notice that it installs a new binary alongside the usual npm: npx.

Advanced Server-Side Rendering With Laravel & Vue: Multi-Page App

A few weeks ago I wrote a tutorial on the new Vue server-side rendering capabilities for Laravel. That tutorial mostly focused on the set…

Vue: Authentication Best Practices

Learn how to easily implement authentication in your Vue.js application. You will learn how to handle unauthenticated API calls, have auto authentication, have restricted routes access and more.

JavaScript — Null vs. Undefined

Learn the differences and similarities between null and undefined in JavaScript

Apple Swift Package Manager : A Deep Dive

Apple has released it’s own package manager called ‘Swift Package Manager‘ to share and distribute Swift packages. It’s good to know that…

Meet the New Dialog HTML Element

HTML 5.2 has introduced a new dialog element for native modal dialog boxes. At first glance, it seems fairly straightforward (and it is), but as I’ve been playing around with it, I’ve found it

Managing User Permissions in a VueJS App

In authenticated frontend apps we can change what a user can see depending on their role e.g. guest, admin etc. In this article, we implement a simple but scalable permission system into a Vue.js app using the CASL library.

The 3 Biggest Wins When Using Alpine as a Base Docker Image

If you want to shrink your Docker images, have your services start faster and be more secure then try Alpine out.

What is Docker Container? The Docker Open Source Project

A Docker open source container software platform that packages applications in “containers,” allowing them to be portable among systems running Linux.

How to make an action repeat using Timer

Timers are a great way to run code on a repeating basis, and iOS has the Timer class to handle it for you. First, create a property of the type Timer!