Sebastian Opałczyński – Medium

Sebastian Opałczyński

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Level Up Coding

One of the fastest ways to make the Django app look good

I always considered myself a lazy backend engineer who does not like too much to create web pages that look good. You know my eye is not…

May 23, 2022

One of the fastest ways to make the Django app look good

May 23, 2022

Published in

Level Up Coding

How Many Figures You Can Make In IT — A Story Based On My Personal Experience

The short answer is: O’ Valley of Plentyyyy.

Jan 3, 2022

How Many Figures You Can Make In IT — A Story Based On My Personal Experience

Jan 3, 2022

Published in

Level Up Coding

Presentation Of My Tool Belt

Developers tools that you can also use in your workflow.

Dec 19, 2021

Presentation Of My Tool Belt

Dec 19, 2021

A Celebration: ~300 Followers

The current story is different from the ones I usually write. I believe I have a good reason for that: I would like to thank you all. The…

Nov 26, 2021

A Celebration: ~300 Followers

Nov 26, 2021

Published in

Better Programming

Don’t Write Code You Are Not Sure. If You Do Not Know the Purpose of It, Just Let It Go.

It’s more about the code you will not write

Oct 26, 2021

Don’t Write Code You Are Not Sure. If You Do Not Know the Purpose of It, Just Let It Go.

Oct 26, 2021

Published in

Level Up Coding

Cool stuff you can do with Python, SQLite and typer

You will learn how to build a simple CLI (Command-Line Interface) application with SQLite as underlying data storage using python and…

Oct 8, 2021

Cool stuff you can do with Python, SQLite and typer

Oct 8, 2021

Published in

Level Up Coding

Write your tools: automate PDF workflow with python

Let’s create together a workflow for generating good-looking PDF invoices. Jinja2 + weasyprint + YAML + some python script can do miracles.

Sep 17, 2021

Write your tools: automate PDF workflow with python

Sep 17, 2021

Published in

Level Up Coding

Write your tools: simple JIRA automation

I had a thought recently that writing tools by yourself is a refreshing experience, it allows you to go outside your day-to-day work, and…

Sep 12, 2021

Write your tools: simple JIRA automation

Sep 12, 2021

Published in

Level Up Coding

Python “hidden” gems: slots

In this article I will briefly discuss the slots on python object. It can decrease memory footprint of your code and execute faster.

Aug 16, 2021

Python “hidden” gems: __slots__

Aug 16, 2021

Published in

Level Up Coding

Minimize the waste in software development

Lean thinking will help you reduce waste and make your software development process better.

Jul 28, 2021

Minimize the waste in software development

Jul 28, 2021

Sebastian Opałczyński

Sebastian Opałczyński

Software engineer, technology enthusiast, common sense lover, serial co-founder, and a father of three.

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