Tomasz Zwierzchoń – Medium

Tomasz Zwierzchoń

Why do Business Goals Matter in IT?

Business goals are the driving force behind any organization, and they are crucial in the process of creating an IT solution. Without a…

Jan 2, 2023

Why do Business Goals Matter in IT?

Jan 2, 2023

JSON Web Tokens (JWT) for a five-year-old.

JSON Web Token (JWT) is the compact, URL-safe means of representing claims to be transferred between two parties.

Jan 2, 2023

JSON Web Tokens (JWT) for a five-year-old.

Jan 2, 2023

MAC and HMAC for a five-year-old.

This is a follow-up to my article about JWT. It became clear that many developers do not fully understand what MAC and HMAC are and how…

Jan 2, 2023

MAC and HMAC for a five-year-old.

Jan 2, 2023

Published in
The Startup

JSON Web Signature (JWS) and JWS Detached for a five-year-old

Working for some time with JSON Web Signature (JWS) I came to the conclusion - many developers do not understand what it is and how works.

Jul 5, 2019

JSON Web Signature (JWS) and JWS Detached for a five-year-old

Jul 5, 2019

How to embed public signing key in JWS / JWT header?

It is easy with node-jose library when you know how to do it. It took me some time to learn, because this information is missing in the…

Mar 6, 2019

How to embed public signing key in JWS / JWT header?

Mar 6, 2019

Yarn and Bill Of Materials

Today I would like to share small hint about how to get licenses from all packages, used in your javascript project. It’s very useful to…

Jun 7, 2018

Yarn and Bill Of Materials

Jun 7, 2018

How to test Socket.io with Jest on backend (Node.js)?

In one of our projects we’ve decided to use Socket.io to handle webscockets and to use a Jest to write BDD/TDD tests. Simply because on…

Apr 16, 2018

Apr 16, 2018

Published in
Orba

Forward Thinking — a never-complete guide to modern JavaScript #5 Maps

In the part #3 of my guide we were discovering Sets. Now it’s time for maps.

Nov 27, 2017

Forward Thinking — a never-complete guide to modern JavaScript #5 Maps

Nov 27, 2017

Published in
Orba

Forward Thinking — a never-complete guide to modern JavaScript #4 Spread Operator

In the previous post we’ve met magic three dots „…” alias spread operator. Those dots are worth exploring before we will go to maps.

Nov 13, 2017

Forward Thinking — a never-complete guide to modern JavaScript #4 Spread Operator

Nov 13, 2017

Published in
Orba

Forward Thinking — a never-complete guide to modern JavaScript #3 — Sets

I’ve discovered that many of us JavasScript programers haven’t noticed that ECMAScript6 introduced two new types of collections: sets and…

Nov 6, 2017

Forward Thinking — a never-complete guide to modern JavaScript #3 — Sets

Nov 6, 2017

Tomasz Zwierzchoń

Tomasz Zwierzchoń

Skilled team leader and trainer. I excel at translating between business and technical languages. I am well-versed in agile methodologies, BDD, and TDD.

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