John Prantalos

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2024 in pictures

2024 has been a year of incredible journeys and unforgettable moments. From the bustling streets of Tokyo to the tranquil Danube in Bratislava, I’ve wandered through vibrant cultures, breathtaking landscapes, and historic cities. This year, my travels took me to the heart of Japan, Vienna’s elegant charm, Hungary’

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DSG's website is down. Github deployment is live.

I accidentally found out that https://dsg.teiste.gr, no longer works. For that I took the matters in my own hands, and deployed it on the group's Github account and is now served via Github Pages. The Decision Systems Group was a university group started by Stavros

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And now, freelancing

After almost eight years working straight out the university, gaining experience and solving challenges, it is now finally the time to become a freelancer!

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2023 in pictures

2023 is now in the past. Here are some pictures of my 2023 adventures

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Prantas is born!

With five years of experience in the field and a decade of involvement, I decided to start something of my own. Something that would not distract me from my full-time job but would allow me to pursue the projects I always wanted to but never had the opportunity to.

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12 Years Online, Time for a Reboot

Twelve years ago, I embarked on my online journey by joining Gamebattles.gr. Now, twelve years later, after a decade filled with both ups and downs, I continue what I started in 2009. ℹ️This is a translated version of the original post in Greek, available at https://blog.prantalos.

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Moving up the ladder!

Direct Solutions is now in the past. I am now employed in OneDealer! OneDealer is a subsidy of Real Consulting and is a software suite for Automotive Retail Network Management. More will come soon!

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F1 TV Access - Is it worth it?

Some weeks ago, waiting to take my 20-day army vacation leave and having lost most of this season’s races, I decided to subscribe to F1 TV. My thoughts?

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DSG - Aftermath of Eurobank's "Beyond Hackathon" 2017

Beyond Hackathon was a FinTech Hackathon, organized by Eurobank between 17/03 - 19/03. The event attracted 38 teams from more than 5 countries.

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PC sleep down! NOW!

As I’ve already mentioned, I have two PCs: a desktop for a pure gaming experience and a laptop for everything else. So, when I'm writing the 1000th line of my code and want to jump into a quick deathmatch to clear my head, I put my laptop

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An Introduction to Artificial Neural Networks

A brief introduction to the world of Artificial Neural Networks (ANNs) and Artificial Intelligence (AI), and a comparison of these with the functioning of our brain.

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How to Use Your Old Router to Improve Your Home Network

I was cleaning out the boxes in the storage room today and found an old Thomson TG585 from Forthnet. At first, I thought of throwing it away, but then I thought I'd play around with it a bit...

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Impressions from a Crowdhackathon

Last weekend, October 1-2, Crowdhackathon #insurance was organized by Crowdpolicy at Innovathens in the Technopolis of the Municipality of Athens.

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DSG Wins the first place at Crowdhackathon Insurance

DSG Team took part in this weekend’s Crowdhackathon #insurance. Little we knew, the DaaM platform they built was the one that won the 1st place and the 2000€ prize.

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First time employed!

Happy to announce that I am now part of the Direct Solutions family! Direct Solutions is a startup focused on vehicle telematics. I have already worked with them before developing Hermes-V a vehicle management platform as a freelancer, and now it is time to join them! Can't wait

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DSG - Open Day Aftermath

Last Thursday the DSG Team organized an Open Day for anyone interested to come and learn more about the team, its projects and purpose. In this post we go back in time and see what happened there.

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DSG - Python Part 2 Workshop Aftermath

Last Thursday we returned to Python with a workshop presented by Charis Dimos, the presenter of the original Python Workshop and guest presenter Petros Douveas, to see some more advanced features and techniques we can use with Python.

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DSG - jQuery Workshop Aftermath

Get to know the Web 2.0 with one of the most famous Javascript Libraries: jQuery in last Thursday’s jQuery Workshop presented by Stavros Tsourlidakis.

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DSG - Photoshop Workshop Aftermath

In last Thursday’s Photoshop Workshop presented by Thanasis Lilis and George Karabelas we learnt how to create 2D Graphics, edit various photos and retouch our own pictures to make them clearer and better.

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DSG - hack.summit() 2016 Virtual Hackathon Recap

Organized by Koding, sponsored by IBM, hack.summit()’s virtual hackathon is now over. I was a part of it, alongside some other members of DSG and here’s what happened from my point of view.

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DSG - Python Workshop Aftermath

As the second DSG workshop is now history, it is time to see an aftermath of the Python workshop, organized by Charis Dimos.

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Battlehack 2015 Enchanced Edition

My first ever hackathlon to participate was Battlehack 2015 - Athens. It was a unique experience that I will repeat when similar opportunity occurs. In this post I gathered my posts from the old blog and the video I created after the event was over.

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Datathon 2015 Recap

It took me two weeks after the event to find time to say a few words about Datathon 2015, which took place on October 3-4. So here we are…

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Microsoft Software Swap: Buy MS Products Up to -99% Off!

Reddit. A unique site, a unique community. If you're not familiar with it, it might be time to get acquainted. The reason? A subreddit where users sell Microsoft product keys at prices that are, in many cases, up to 99% cheaper than usual! In other words, a product

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Get Minecraft for Windows 10 for free

It Was Announced a While Ago: Now That Windows 10 Is Here, You Can Get the Windows 10 Edition of Minecraft for Free If You’ve Already Purchased It.