iiinova — where your digital self keeps evolving

Štěpán Rešl @stepanresl.bsky.social · 19/08/2026

A second brain can be very counterproductive. Depends on the implementation and the overall use case.

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Štěpán Rešl @stepanresl.bsky.social · 20/03/2026

I might have gotten a little crazy...

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Štěpán Rešl @stepanresl.bsky.social · 10/02/2026

xD Some UI bugs in Power BI / Power BI Service are just crazy. Insane that some of them have been there for over 5 years.

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Štěpán Rešl @stepanresl.bsky.social · 10/02/2026

Sometimes you just need to see what your M (Power Query) code is actually doing — and that’s not always obvious. I added an Execution Plan to M-Game: run your code, open the plan, inspect the flow + intermediate results ✅ Link: mgame.datameerkat.com #PowerQuery #MLanguage #PowerBI

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Štěpán Rešl @stepanresl.bsky.social · 06/02/2026

Nah. I will demonstrate that you can use Fabric for gaming, but I first needed to understand the notebook rendering system so you can capture frames from the CPU and display or save them as an MP4 and then, how to do binary extraction and push that into the real-time dashboard.

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Štěpán Rešl @stepanresl.bsky.social · 06/02/2026

I had this on my bucket list for a while. This year I am submitting a session with the name "What Retro Games Taught Me About Microsoft Fabric", where I will be talking about this a lot :D #MSFabric

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Štěpán Rešl @stepanresl.bsky.social · 06/02/2026

Yep. And Pokémon Yellow… that was much more fun

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Štěpán Rešl @stepanresl.bsky.social · 04/02/2026

Tbh... I have initially completely forgotten about subtraction between date and datetime types, and addition by duration type.

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Štěpán Rešl @stepanresl.bsky.social · 04/02/2026

Finally, I can implement even this!

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Štěpán Rešl @stepanresl.bsky.social · 04/02/2026

@itsnotaboutthecell.com I think I will take a break from this project for a few days after this release :D

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Štěpán Rešl @stepanresl.bsky.social · 04/02/2026

I have implemented a few updates: > New topic: Data Formats > +25 new levels > Playground page > 404 Page > over 599 supported functions/enumerators > Improved M logic (better error support) Link: mgame.datameerkat.com

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Štěpán Rešl @stepanresl.bsky.social · 31/01/2026

Nah. I don’t wanna add themes at all. 😆

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Štěpán Rešl @stepanresl.bsky.social · 30/01/2026

My initial reason for this is that I started preparing it a while ago for internal purposes. Then I have decided to open it.

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Štěpán Rešl @stepanresl.bsky.social · 30/01/2026

Here is at least one showcase of the Level in the Challenge topic.

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Štěpán Rešl @stepanresl.bsky.social · 30/01/2026

I built an online practice app for M (Power Query) 🚀 ✅ 150 levels across topics ✅ Multiple solutions per level ✅ No account, progress saved locally ✅ Most of the M functions are implemented Try it: mgame.datameerkat.com #PowerQuery #MLanguage #PowerBI

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Štěpán Rešl @stepanresl.bsky.social · 24/01/2026

Same from my side about you. It is always a pleasure to see you.

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Štěpán Rešl @stepanresl.bsky.social · 24/01/2026

Yeah. That's the great one. I will have to next time.

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Štěpán Rešl @stepanresl.bsky.social · 24/01/2026

This weekend, I am in Stockholm on a quick trip. Finally, I have some time to visit this beautiful city.

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Štěpán Rešl @stepanresl.bsky.social · 06/01/2026

Hmm... Taskflows... since 2024-11, they have been with us. Can we please get them full API support? I am not talking about the "./taskflow202411" endpoint. #MicrosoftFabric

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Štěpán Rešl @stepanresl.bsky.social · 25/12/2025

Merry Christmas, everyone. I wish you the best time with your loved ones. 🫶🏼 I am not one of those who actually celebrate it, so I am skiing on empty slopes 🥳.

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Štěpán Rešl @stepanresl.bsky.social · 17/12/2025

It was 14 minutes in the queue... then I had to cancel it because it was not progressing.

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Štěpán Rešl @stepanresl.bsky.social · 02/12/2025

Btw @itsnotaboutthecell.com, we had to build an auto-pushing system for us, so everything that we identify as a new… even rebranded (because there is no generic ID), we are pushing to admin teams as an Adaptive Card.

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Štěpán Rešl @stepanresl.bsky.social · 02/12/2025

It was rebranding, but for us, it has disabled itself. Based on daily snapshots of our tenant settings, we have identified a few settings that lacked the “new” tag. And some settings have turned on or off on their own since our tracking. Also, it would be helpful to have a static ID for settings.

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Štěpán Rešl @stepanresl.bsky.social · 02/12/2025

Theoretical question: Why do we have a "new" flag in Tenant Settings, when new options are appearing without it? I thought this "new" flag was supposed to help Admins find out what appears in their tenant settings and what needs to be checked... but it is not helping at all.

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

Currently, we don't have the option to scope who can't create Data Warehouses but can create UDFs or Notebooks. Etc. Once we have per-item type creation, we can have this discussion.

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

Same as creating a Data Warehouse. If it will be created by someone who knows nothing about it... It still will be a mess.

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

Hope not... but I have seen a lot of craziness

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

Show me a normal user who would go to read the manual before trying something new. First try = UX test.

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

xD ohh damn. That sounds like Metric Set...

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Štěpán Rešl @stepanresl.bsky.social · 19/11/2025

:D I haven't read that. I was trying to use it as any other user would.

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Štěpán Rešl @stepanresl.bsky.social · 20/10/2025

Yesterday in Thailand, you were able towitness a rare green lightning strike. I was taking a picture of a thunderstorm with a long exposure and suddenly… one picture that I took was capable of catching this 😍

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Štěpán Rešl @stepanresl.bsky.social · 30/09/2025

Sometimes you reach a point where it just doesn't work. When nothing that seemed right to you and that you enjoyed doing suddenly makes no sense, and you don't understand it yourself.

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Štěpán Rešl @stepanresl.bsky.social · 30/09/2025

Yeaaah! Let's create an abstract. Aaaand nope! Let's submit a session to the conference that I know and love, where I've had the opportunity to speak... Neither is that something that I can do.

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Štěpán Rešl @stepanresl.bsky.social · 30/09/2025

I have the same issues with sessions and their submission. I have two particular topics that I am confessing to myself that I want to talk about.

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Štěpán Rešl @stepanresl.bsky.social · 30/09/2025

Over the past four months, I have sat down to start writing a new blog post at least 10 times. I have many topics that I would like to cover. From topics focusing on ADHD and the data world, through multiple news in Fabric, to Power BI and Power Query. Every time it ends the same way. I just can't.

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Štěpán Rešl @stepanresl.bsky.social · 22/09/2025

It was calling for one of those functions. Still, it doesn't matter if you call for a custom function in the scale like this. You can go for EVALUATE {1} and still be receiving similar delay.

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Štěpán Rešl @stepanresl.bsky.social · 22/09/2025

It is. I have a concern about how people will import functions in the same way, importing data columns... just in case, and then never use them.

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Štěpán Rešl @stepanresl.bsky.social · 22/09/2025

Number Of Functions Matters!! (I mean... DAX UDFs) @jaypowerbi.bsky.social. Model: 1 Table, 1 Row, 1 Measure First run: 1011 UDFs Second run: 20011 UDFs Their DAX code is straightforward: (x int64) => x

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Štěpán Rešl @stepanresl.bsky.social · 15/09/2025

Executing Python notebooks with a large number of cells? Nope! After 20 cells, the notebook stops executing the rest of them and gets stuck in an infinite loop of waiting. Isn't this beautiful? I think it is. You need to cover every possible scenario on your own.

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