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Mika Varjonen

@mvarjon.bsky.social

13 followers 25 following 63 posts

Professional C# Developer. Background also in C++ and Rust. Now learning Swift.

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Mika Varjonen @mvarjon.bsky.social · 30/01/2026

When ISP gets Apple CDN peering wrong it means long wait times in App Store downloads and no Apple TV … :(

000

Mika Varjonen @mvarjon.bsky.social · 17/10/2024

Huge congratulations on completing the entire course.

Mika Varjonen @mvarjon.bsky.social · 03/10/2024

Just completed day 45 of #100DaysOfSwiftUI (buff.ly/4fKrB3p)

Day 45 – 100 Days of SwiftUI

Follow the 100 Days of SwiftUI and learn to build apps for free.

Mika Varjonen @mvarjon.bsky.social · 01/10/2024

Congratulations on making your goal. Awesome work. I need to get a bigger shovel to dig me out of this work / personal life imbalance and get back to this course.

Mika Varjonen @mvarjon.bsky.social · 20/09/2024

Bluesky now has over 10 million users, and I was #2 534 956!

A virtual certificate with text "Celebrating 10M users on Bluesky, #2 534 956, Mika Varjonen ‪@mvarjon.bsky.social‬, joined on 16.12.2023"

Mika Varjonen @mvarjon.bsky.social · 27/08/2024

secure.avaaz.org/campaign/en/...

secure.avaaz.org

Displaced and wiped from voter rolls, Tanzania's Maasai face erasure.

Now they’re taking their right to vote.

Mika Varjonen @mvarjon.bsky.social · 12/08/2024

Just finished day 44 of #100DaysOfSwiftUI. It is slow. But forward motion nonetheless. www.hackingwithswift.com/100/swiftui/44

hackingwithswift.com

Day 44 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 09/08/2024

Yeah. We were both surprised. I love ARM Macs but it seems that ARM does wonders for Windows laptops as well. At this point I don’t expect any future for Intel. I mean user experience at least for productivity use is so much better.

Mika Varjonen @mvarjon.bsky.social · 09/08/2024

My wife wants to keep on using Windows laptops as she is used to those. Old one broke down so I bought her one of the new Snapdragon X Elite ARM laptops. I have never ever seen a Windows laptop to work that well. And the power management just works. No heat, no fuss. Wow.

Mika Varjonen @mvarjon.bsky.social · 09/08/2024

Hope you get well soon.

Mika Varjonen @mvarjon.bsky.social · 19/07/2024

Just finished day 43 of #100DaysOfSwiftUI. The navigation destination is a nice optimisation as it really is silly to do unnecessary work if you make 1000 navigation links and only use handful of them. www.hackingwithswift.com/100/swiftui/43

hackingwithswift.com

Day 43 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 19/07/2024

Just finished the day 42 of #100DaysOfSwiftUI. Half-way point is getting closer. As an adventurous person I switched few weeks back to Mac OS 15 beta and Xcode beta, but everything has been surprisingly smooth with new OS and Xcode. www.hackingwithswift.com/100/swiftui/42

hackingwithswift.com

Day 42 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 15/07/2024

Just finished day 41 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/41 This Moonshot app is actually quite nice.

hackingwithswift.com

Day 41 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 13/07/2024

Just finished day 40 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/40 I started this learning SwiftUI path smoothly but then life got in the way. Anyways, going to finish this set even if takes lot longer than 100 days in calendar time.

hackingwithswift.com

Day 40 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 26/06/2024

🎉 I just finished Day 39 of the #100DaysOfSwiftUI at www.hackingwithswift.com/100/swiftui/39 via @twostraws.bsky.social

hackingwithswift.com

Day 39 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 02/06/2024

Finally. Completed the day 38 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/38

Screenshot of iExpense app with amount styling and personal and business expenses separated.

Mika Varjonen @mvarjon.bsky.social · 22/05/2024

Just finished the day 37 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/37 It is almost two o’clock in middle of the night. Hopefully work starts to settle in at some point so that I would have more time for this. I still have that app dream. :D

hackingwithswift.com

Day 37 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 20/05/2024

Yeah, been writing server side C# around the clock, so when I got back to this Swift learning it was so hard to not put the ; at the end of the statement. :D

Mika Varjonen @mvarjon.bsky.social · 18/05/2024

Now finished the day 36 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/36 Refreshing to learn something totally new after a break.

hackingwithswift.com

Day 36 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 18/05/2024

Finished the day 35 of #100DaysOfSwiftUI. www.hackingwithswift.com/100/swiftui/35 Feels good to have this done. I have been totally swamped in my day job. Burning the midnight oil as the old saying goes. Let’s see with day 36 is my brain ready to accept something new and exciting.

hackingwithswift.com

Day 35 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 09/05/2024

Yes. You are right. There is only so many hours in a day and now that I’m flooded I could use the small time for study progress. I guess it is not the end of the world if all the days are not fully completed in sequence.

Mika Varjonen @mvarjon.bsky.social · 08/05/2024

Work is keeping me too busy. :( I have gotten the game logic done for the day 35 challenge but UI is really not functional nor pretty. Hoping to get back on the track soon as I would hate to lose the momentum.

Mika Varjonen @mvarjon.bsky.social · 05/05/2024

Just completed the day 34 pf #100DaysOfSwiftUI. Review was again 12 / 12 but when doing the challenges I stumbled upon some mental block. I managed to do all three of them, but it did feel strangely difficult. www.hackingwithswift.com/100/swiftui/34

Picture showing end state of Guess the Flag game after animations.

Mika Varjonen @mvarjon.bsky.social · 04/05/2024

Just finished the day 33 of #100DaysOfSwiftUI. My mind is definitely rotating in every axis now with these animations. 😂 www.hackingwithswift.com/100/swiftui/33

hackingwithswift.com

Day 33 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 03/05/2024

Just finished the day 32 of #100DaysOfSwiftUI. I don’t have any reference points to other frameworks but it seems that SwiftUI makes animation accessible to a common man. www.hackingwithswift.com/100/swiftui/32

hackingwithswift.com

Day 32 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 02/05/2024

Completed the day 31 of #100DaysOfSwiftUI with 12 / 12 review and challenges done. www.hackingwithswift.com/100/swiftui/31

Screenshot of WordScramble app.

Mika Varjonen @mvarjon.bsky.social · 01/05/2024

Completed the day 30 of #100DaysOfSwiftUI. Today was a close call but I still had about 45 minutes left before midnight when finishing the day. www.hackingwithswift.com/100/swiftui/30

hackingwithswift.com

Day 30 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 30/04/2024

Completed the day 29 of #100DaysOfSwiftUI. This Word Scramble (probably misspelled it) seems to be yet again a nice practise of common techniques needed. With this much repetition I'm bound to learn this stuff eventually. 😄 www.hackingwithswift.com/100/swiftui/29

hackingwithswift.com

Day 29 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 29/04/2024

Completed day 28 of #100DaysOfSwiftUI. (www.hackingwithswift.com/100/swiftui/28) Pushing forward like an old steam engine. While doing the review and challenges I also noticed that perhaps I should cut back on the coffee.

BetterRest day 28 challenge.

Mika Varjonen @mvarjon.bsky.social · 28/04/2024

Also at the same time I would like to thank everyone who has supported me in this learning #SwiftUI journey by liking my status updates along the #100DaysOfSwiftUI. It has not always been easy to maintain the day to day momentum pushing forward with hectic work and family life.

Mika Varjonen @mvarjon.bsky.social · 28/04/2024

Completed the day 27 #100DaysOfSwiftUI. Key take-aways Machine Learning easy. User Interface hard. Just partially kidding. Now that I’m repeating same UI concepts in these practice projects it is starting slowly to sink in. www.hackingwithswift.com/100/swiftui/27

hackingwithswift.com

Day 27 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 27/04/2024

Day 26 of #100DaysOfSwiftUI is now complete. Interesting detour into ML, this project 4 seems to be quite interesting. www.hackingwithswift.com/100/swiftui/26

hackingwithswift.com

Day 26 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 26/04/2024

Day 25 of #100DaysOfSwiftUI completed. www.hackingwithswift.com/100/swiftui/25 Attached are few screenshots of my take on the rock paper scissors challenge. Didn’t read the hints this time so it might be way off or accidentally similar. :D

Rock paper scissors screenshot 1

Rock paper scissors screenshot 2

Rock paper scissors screenshot 3

Mika Varjonen @mvarjon.bsky.social · 25/04/2024

Day 24 of #100DaysOfSwiftUI completed. www.hackingwithswift.com/100/swiftui/24 Sneak peak of day 25 suggests an interesting challenge, but I’m little bit sweating that do I have the time to do it on the daily schedule. Certainly going to try.

hackingwithswift.com

Day 24 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 24/04/2024

Day 23 of #100DaysOfSwiftUI is now done. Humming along nicely. However I’ll expect that this will get more difficult when there is more to apply in future challenges etc. The one quarter mark (day 25) is approaching. :) www.hackingwithswift.com/100/swiftui/23

hackingwithswift.com

Day 23 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 23/04/2024

Day 22 of #100DaysOfSwiftUI is on the bag. www.hackingwithswift.com/100/swiftui/22

Guess the flag game ending screen.

Mika Varjonen @mvarjon.bsky.social · 22/04/2024

Day 21 of #100DaysOfSwiftUI is now complete. www.hackingwithswift.com/100/swiftui/21 Steaming ahead like an old battleship … 😂

hackingwithswift.com

Day 21 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 21/04/2024

Yes. Those icons just refuse to align with text vertically in those rare cases when I have done web stuff. Centering is definitely a hard computer science problem. Let’s just hope that in the future we have AI assistants just for that.

Mika Varjonen @mvarjon.bsky.social · 20/04/2024

Completed the day 20 of #100DaysOfSwiftUI. I could probably do more than one a day now and then. But sticking to this marathon method. www.hackingwithswift.com/100/swiftui/20

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Day 20 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 20/04/2024

Somehow I came across this tonsky.me/blog/centeri... while going through other stuff. Brought chilling memories of those times when I was asked to fix centering on some web stuff when I was comfortably doing server side stuff. I mean project owner thought that anyone could center things …

Hardest Problem in Computer Science: Centering Things

Somehow we forgot how to center rectangles and must find our way back

Mika Varjonen @mvarjon.bsky.social · 19/04/2024

Day 19 #100DaysOfSwiftUI completed. I chose to do the volume conversion. Gallons are UK gallons, cups are … I don’t know. Some measure I found from the Internet. This is why we have metric system. www.hackingwithswift.com/100/swiftui/19

Image of volume conversion app.

Mika Varjonen @mvarjon.bsky.social · 18/04/2024

Again sleepless. But day 18 of #100DaysOfSwiftUI is now completed. Review done with 12/12 and challenge completed. www.hackingwithswift.com/100/swiftui/18

Screenshot of the modified WeSplit app.

Mika Varjonen @mvarjon.bsky.social · 18/04/2024

Day 17 of #100DaysOfSwiftUI complete. www.hackingwithswift.com/100/swiftui/17 Probably one of the hardest part in the future will be to know what UI component to use in which case. With command line tools options are clear but with GUIs there is so much choice which affects the user experience.

hackingwithswift.com

Day 17 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 17/04/2024

Day 16 of #100DaysOfSwiftUI is done. www.hackingwithswift.com/100/swiftui/16 Getting to know the SwiftUI project structure and the real world encounter with the opaque return type (some View).

hackingwithswift.com

Day 16 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 15/04/2024

Today was the time for the Day 15 of #100DaysOfSwiftUI. Warp speed review of previous two weeks. www.hackingwithswift.com/100/swiftui/15

hackingwithswift.com

Day 15 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 15/04/2024

Day 14 of #100DaysOfSwiftUI completed. I tried to go all kung-fu on this social media stuff and posted on Mastodon as well but forgot to post it here. 😂 Man I’m too old for this youngsters stuff. Anyways rock keeps on rolling on this Swift journey. www.hackingwithswift.com/100/swiftui/14

hackingwithswift.com

Day 14 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 14/04/2024

Day 13 of #100DaysOfSwiftUI completed. Amazingly before noon. This is what I call a super Sunday :D. Now back to chores before wife comes back home. www.hackingwithswift.com/100/swiftui/13

hackingwithswift.com

Day 13 – 100 Days of SwiftUI

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Mika Varjonen @mvarjon.bsky.social · 13/04/2024

Now also Day 12 completed of #100DaysOfSwiftUI and back on schedule.

Mika Varjonen @mvarjon.bsky.social · 13/04/2024

Day 11 complete for the #100DaysOfSwiftUI. It should have been yesterday already, but again the day was so hectic that I fall asleep in middle of doing the day 11 yesterday evening. Trying to squeeze day 12 for today. Then I’m back on schedule.

Mika Varjonen @mvarjon.bsky.social · 12/04/2024

I have to agree on this one. :)