Chris Blume @ProgramMax

industry accolades: "software engineer" - BleepingComputer "developer" - Engadget "Twitter user" - XDA Joined April 2009

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Chris Blume @ProgramMax

a hour ago

Hear me out, I want to play as Tupac/Snoop in the pod racing game.

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Chris Blume @ProgramMax

3 hours ago

@ThePrimeagen I heard a coworker pronounce it "archive" and had to hide the "oh shiii he's right!" from my face

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What is the correct default for image compression effort? I figure: - Start at the knee on the effort/reward curve - Take up at least as much time as it took for the invocation (script? fast. human typed? give it a second) - Let it churn in the background if from an editor

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Chris Blume @ProgramMax

4 hours ago

@OMonastyrskyi @oxcrowx You're right. Good catch. Thank you

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Chris Blume @ProgramMax

10 hours ago

That's a bummer. I was pretty involved in EngEdu back then. I taught modern C++ and had a pretty dang good rating and feedback. It was clear many details hadn't previously clicked for people--it definitely helped.

Gergely Orosz @GergelyOrosz

11 hours ago

Everyone on Google’s Engineering Education team had been laid off very recently It suggests Google completely stops investing in this area… damn (Source is me: I confirmed with folks inside Google unfortunately this happened)

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Chris Blume @ProgramMax

19 hours ago

@sasuke___420 @zetalyrae @qsdnl Agreed that the interleaved channels can be problematic. Worse, if you're storing more than 8bpc then we also interleave high and low bytes. That one is really problematic. Workin' on it

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Chris Blume @ProgramMax

19 hours ago

@sasuke___420 @zetalyrae @qsdnl Oh, I thought you were saying *ALL* the encodings were the same bit count. Yes, for distance code 20, you need 9 extra bits. But if it was distance code 0-3, you would need 0 extra bits. So it is important we filter such that you don't go far back. :)

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Chris Blume @ProgramMax

19 hours ago

@sasuke___420 @zetalyrae @qsdnl Actually, I should rephrase this because it is a bit misleading. If the numbers are small, you aren't going to need to store the large numbers. THOSE compress nicely because of the special "repeat" signal. Basically a "ignore the next X numbers, we don't need them".

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Chris Blume @ProgramMax

20 hours ago

@sasuke___420 @zetalyrae @qsdnl The Huffman coding has special codes inserted for things like "repeat the previous symbol X times". So those lots of "0"s compress nicely. (You maybe saw a "fixed" Huffman form which doesn't have enough data to warrant storing the dictionary, so all code lengths are 5-bits?)

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Chris Blume @ProgramMax

a day ago

I gathered up a corpus of images that lean more towards icon / logo than photo. This is PNG's wheelhouse. I then compressed them using into JXL using a bunch of settings. I'm surprised how much smaller the JXLs are as lossless over default. JXL's lossless is more or less PNG.

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Chris Blume @ProgramMax

a day ago

That's...unexpected.

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Chris Blume @ProgramMax

a day ago

I've spent a few days stuck on something. A Windows program is loaded, FS/GS points to the TEB, which points to the PEB, which points to the Ldr. My Ldr pointer is null. And I don't think it should be. I think Kernel32 is always loaded. In fact, it is in my imports table.

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Chris Blume @ProgramMax

3 days ago

I'm so curious what a software developer interview looks like today, with AI becoming so common. Perhaps it is the same. I would guess it is more senior/leader focused, since we lead the AI. But maybe it is more review focused??

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Chris Blume @ProgramMax

3 days ago

@Fugiman oh shiii go png! Crushing!

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Chris Blume @ProgramMax

3 days ago

@vaxryy Fun fact: They literally pirated that font when making this. They released a PDF to accompany the ad. The PDF lists the font name. The font was renamed--tagged during pirating.

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Chris Blume @ProgramMax

4 days ago

@TrisH0x2A Further, suppose you have a 2D container and you're searching for a value. So nested loop. The 'break' keyword will only exit the inner loop. You could set a flag, break, and check that flag in the outer loop. 'goto done' is so much cleaner. And faster. Just don't abuse it.

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Chris Blume @ProgramMax

4 days ago

@TrisH0x2A Not sure if bait. Dijkstra's paper explicitly calls this out as an okay use of goto twice. homepages.cwi.nl/~storm/teachin… You need to put yourself in Dijkstra's context. Goto was being used to make spaghetti code. You don't hear "spaghetti code" as much today. THOSE cases are bad.