Kevin Rudman
21 posts

Kevin Rudman
@KevinRudman
Veteran of mid-1970s h/w and s/w development based around the Motorola 6800/6809 and Zilog Z80 (PLZ/ASM)… Now exploring iOS/macOS development and Swift/SwiftUI.
United Kingdom Katılım Ocak 2017
51 Takip Edilen4 Takipçiler

YouTility has no dock icon.
No main window.
No visible presence at all.
That's not an oversight, it's the entire design.
It lives in your menu bar. You take a screenshot. The file gets renamed. You never touch the app. The best utility is the one you forget is running.
#macOS
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@timsneath We don’t make it easy for our tourists, do we? Nor for ourselves!… I’d say that means parking is only allowed midnight-9am from 1 May to 30 Sep, but anytime outside of that period (but I could be wrong 🙄).
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My wife and I have spent the entire day debating the meaning of this parking sign, which we encountered along the side of the road while on vacation in Cornwall, England. What do you think? maps.apple.com/place?map=sate…

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Experimenting with some display panels. This one was built with @BitrigApp and the animation tweaked manually. Some improvements still to make but so far, so good. Any comments? #SwiftUI #Bitrig
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@privatetalky Why is it apparently not compatible with my Mac SE? 😆
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@jacobtechtavern Thanks for getting me one notch (I think) up the AmpersandHavingTroubleUnderstandingThisStuff ladder!
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Is this the worst Swift code ever written?
I managed to actually recreate this meme and use all 4 argument attributes in the signature: `@escaping @Sendable @MainActor @autoclosure () async -> Void`
If you want to learn all about how I made this, read "The Meme that gave me Imposter Syndrome" for free now: blog.jacobstechtavern.com/p/the-meme-tha…


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@BitrigApp Sure thing. In the meantime where do I best send any questions/comments?
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I’m quite new to iOS/SwiftUI development and recently discovered @BitrigApp. Loving using it as a learning tool (for now), asking very specific questions & ‘dissecting’ the resulting code to understand it & perhaps tweak. Well done to the #Bitrig team. Great app 👏 #iOS #SwiftUI
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@robinebers A really interesting test. Thank you for sharing. One question, if I may? - Did you explicitly ask for a Departure Board using 7 x 5 matrix display characters?
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@KevinRudman @backblaze Yes … intelligent accidents can be disasters
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Make physical backups for your developer machines …
YIKES! 😬
I use Carbon Copy Cloner on Mac: bombich.com
Matt Shumer@mattshumer_
GPT-5.6-Sol just accidentally deleted almost ALL of my Mac’s files. And this is why I trust Fable 1000x more.
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@PaulSolt @backblaze I’m sure I’ve been guilty of causing many (unintelligent) accidents 😆
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@_julianschiavo I’m not sure it’s ‘planned’ so much as ‘teased’ by Starmer. He did mention not wanting to jinx it (which I guess he already has). Perhaps this is why we never win the 🏆
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@jacobtechtavern Don’t we just know how to form a wonderfully orderly queue? 😆 🇬🇧
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@KevinRudman Hey glad you enjoyed the nostalgia tour! :)
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There are two opposing chip design philosophies:
- CISC (Complex Instruction Set Computer)
- RISC (Reduced Instruction Set Computer)
Each CPU, constrained by the actual physical layout of its circuitry, can perform a limited number of different operations or utilise a specific set of registers. This is their Instruction Set.

PowerPC assembly instruction set, from PowerPC Programmers Reference Oct ‘95
The two schools of thought create divergent approaches for designing a CPU:
CISC uses a complex instruction set to build tons of functionality into the CPU. You gain the power to perform complex multi-step processing with single instructions, like POLY (evaluate polynomial). While this is like magic, it also means lots of internal state in the processor. This can muck with performance if misused.
RISC applies the “keep it simple, stupid!” philosophy. CISC is a pain to develop. Compiler engineers and Rollercoaster Tycoon developers writing CISC assembly had to consult thick reference tomes to look up instructions they might need. RISC devs were laughing with a simpler instruction set cached fresh in their memory.
Read the full silicon story from Apple I to M5 (and beyond!) here 🍟 blog.jacobstechtavern.com/p/apple-chip-a…

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@azamsharp Yes, it’s a possibility…
skysports.com/football/news/…
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@twostraws 5GHz is going to give you higher throughput provided that the signal is strong enough e.g. no ‘fighting with’ concrete walls, so that does seem strange. I wonder if there’s a bug in the PS5’s band selection logic?
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