‫אופיר פרנס‬‎

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ServiceWorkers in practice

<i>ServiceWorkers</i> are becoming an important building block of modern web applications, or so-called <i>Progressive Web Apps</i>. If you’ve heard about websites …

Web Development

Advanced Validation with Angular Reactive Forms

Out of the box Angular provides a minimal set of validators but in the real world you need many many more. Validation is really important to give the …

JavaScript

Async without await, Await without async

Let's say we have a function getPromise() that returns a Promise that will resolve to some value in the future. The question is whether we need to …

JavaScript

Build apps that work offline

For a long time, offline functionality, background synchronisation and push notifications have differentiated native apps from their web …

Web Development

Please Stop Using Local Storage

Seriously. Just stop it already.<p>I don't know what it is, exactly, that drives so many developers to store session information in local storage, but …

JavaScript

A perfect guide for cracking a JavaScript interview (A developer’s perspective)

The JavaScript(JS) interviews are not easy. I accept it, you accept it and, everyone does. The number of possibilities of questions could be asked in …

JavaScript

5 Angular directives you can use in your project

In a recent blog, we showed off some examples of Angular pipes we use in our code base. Now, we’d like to talk about directives. Angular directives …

Pushpin — An Open Source Library That Turns REST APIs into Realtime APIs

Pushpin — An Open Source Library That Turns REST APIs into Realtime APIs<p>An intro to evented APIs and how to build them with Pushpin<p>“Real-time” is …

Microservices

Writing smarter cross-platform .NET Core apps with the API Analyzer and Windows Compatibility Pack

There's a couple of great utilities that have come out in the last few weeks in the .NET Core world that you should be aware of. They are deeply …

Software Development

5 HTML Elements You Might Not Know How to Use

Familiar yet unknown, or utterly new, it happens that we <b>miss out parts of the HTML syntax</b> that might turn out to be important knowledge we can <b>put to</b> …

Web Development

From Zero to Production with Angular, Firebase, and GitLab CI

Short Story<p>I am going to cover all steps of building an application from scratch:<p>We will generate a new app using angular-cli. <i>(It is popular CLI tool</i> …

Beginners Tutorial: Docker with ASP.NET Core

--updated to .net core 2.0--<br>--updated with multi-stage builds --<p>In this tutorial, you will learn how to build and run your first asp.net core docker …