I'm Karol Działowski

Also known as karlosos, Full Stack Developer and Computer Vision enthusiast.
I help founders add value to society by crafting software using JavaScript tools. I love open source and building side projects.

My resume GitHub Get in Touch

My skills

Web Development

Computer Vision

Knowledge sharing

My projects

Kindle Clippings Manager

Kindle Clippings Manager written in React and using React Redux

Import, browse and delete kindle quotes.

PitchMap

Tracking football players on the playfield captured by a moving camera

Todoist Clone

Todoist clone written in React and using React Context based on tutorial.

Backend created with Django Rest Framework from scratch without tutorial.

Smarthome WebApp

Smarthome web application written in React and Fastify.

Created during Intive Patronage.

Url to BibTeX

Simple application to generate BibTeX entry from given url.

Created using React and CORS-anywhere server hosted on Heroku.

See more projects on GitHub

https://github.com/karlosos

Recent blog posts

Running old Ruby on Rails application with Docker

Post explaining how I've managed to run old (5+ years old) web application with Docker without much hassle.

#docker #ruby-on-rails

2022-08-04・5 min read

Automatically Restarting Heroku App With Cronjob

In this blog post, I describe the solution for automatically restarting the Heroku application. Restarting is done with the use of Heroku API and the dedicated NodeJS script. However, this problem can be also solved without writing any line of code.

#heroku #cloud

2021-10-20・2 min read

Football Data Visualizations - Passing Networks

During Euro 2020 I've seen a lot of good-looking visualizations on Twitter (see those created by Maram AlBaharna and Matteo Pilotto. There's also plenty of other data scientist, some professional and some amateur, who create soccer data visualizations.

#python #data science #football

2021-09-14・7 min read

Disabling captions in LaTeX subfigures and dividing figures between multiple pages

While writing my thesis paper I have encountered problem with subfigure captions. I wanted to get rid off subfigure numbers, i.e. "(a)" or "(b)". I didn't want to disable subcaptions in entire document but do this locally.

#latex

2021-05-01・2 min read

The Great Depression

The Great Depression was a major worldwide economic depression that took place during the 1930s, beginning in the United States in 1929 after the stock market crash of October 29, 1929 (Black Tuesday). In this blog post I will describe key takeaways from the diary from those times.

#books #investing

2021-04-25・9 min read