dfe

5 ms·

31.
by dfe 1y ago
I'm a bit younger and I always called 0.1" spacing headers "Berg connectors" until the last couple of years when everyone started calling them DuPont.
32.
by dfe 1y ago
I, too, am not the least bit nostalgic about the 486, Pentium, Pentium Pro, Pentium II, and later machines that I owned. I think for me it's that they are too much the direct ancestors of current machines. There's basically zero
33.
by dfe 1y ago
As someone who lived through a flood caused by a hurricane, without power for 10 days, I have first-hand experience with FEMA. Some fat-ass government worker showed up with a tablet, checked a bunch of boxes on an electronic form to gather
34.
by dfe 2y ago
macOS doesn't have GNU coreutils at all. It has the utils from FreeBSD. The gobsmackingly ancient GNU software it does have is bash, because it's the last version under GPL 2. I've used Mac OS X since 10.1, so I remember wh
35.
by dfe 2y ago
You can do this in a good Java debugger like IDEA. Break on the throw, unwind stack frames to your liking, hot-replace code, continue.
36.
by dfe 2y ago
I don't agree with the criticism of Java's exception handling, since Java literally does make exactly the distinction between "1. A Bug in the system" as RuntimeException, and "2. A faulty situation that can't
37.
by dfe 2y ago
Me too. I’m sorry for folks who are genuinely fearful, but I think this fear is all a farce.
38.
by dfe 2y ago
I once wrote a Sudoku solver in SQL in an afternoon because I was playing a Sudoku (a very newb player at that time) and it spontaneously occurred to me that all I was doing was a join or anti-join query repeatedly. My data model was X,Y,V.
39.
by dfe 2y ago
I agree with you on your first statement. Exceptions for control flow is an awful API. I also wholeheartedly agree with your comments that nullability should be a first-class language feature, part of the type system. I think what you des
40.
by dfe 2y ago
This seems to be worse in every way to Optional. The throwing of a checked exception is ludicrous. It's a classic case of abusing checked exceptions for flow control. The right approach is an isPresent() or isEmpty() call followed by
41.
by dfe 2y ago
I used to think checked exceptions were stupid, so I'd catch and wrap them in a RuntimeException at the first opportunity just to get rid of them. These days I've come around to your viewpoint that checked exceptions are great bec
42.
by dfe 2y ago
Sort of. It’s merely a ROM drive implemented in the BIOS. Drive 8 is used. There’s also an INT 18h hook that operates by simply booting drive 8. This is the fallback bootstrap hook. No disks? No problem. Boots to DOS vs. IBM which boote
43.
by dfe 2y ago
In the absence of VM extensions, which the earliest AMD64 CPUs did not have, once the CPU is in long mode, the base address of segments other than FS and GS doesn't work, it must be 0. That's not such a problem for 32-bit segments
44.
by dfe 2y ago
Just the other week I dug out my old Qmodem floppies, and I installed it on my retro Tandy 1000 TL. I used it with a null modem cable and USB serial to my Mac, where using something simple like picocom let me send files back and forth with
45.
by dfe 2y ago
I once spent hours if not days debugging a problem with some code I had recently written because of this exact optimization. It wasn't an embedded system, but rather an x86 BIOS boot loader, which is sort of halfway there. Protected m
46.
by dfe 2y ago
Correction. Glancing at some of the actual code, and also looking at the README.md seems to indicate this is in fact the IBM DOS 4. For example, the src/BOOT/MSBOOT.ASM file has a revision history including 3.31 and has code for
47.
by dfe 2y ago
Looking at the pdf folder, this is the "Multitasking MS-DOS" product which is not the same as the "DOS 4" that most people think of. That "DOS 4" is actually IBM Personal Computer DOS 4, the successor to MS-DO
48.
by dfe 2y ago
It very well could be. Legal precedent would be against Oregon. Consider the California CARB (Air Resources Board). There is a specific carve-out in federal law allowing California to have mandates on cars sold in California.
49.
by dfe 3y ago
https://en.wikipedia.org/wiki/PCM_adaptor It's very likely that the 44.1 kHz rate comes from the PCM adaptors that were designed to take PCM audio and convert it to something that a video tape recorder would accep
50.
by dfe 3y ago
I've been lurking on HN for years, and I just created an account to thank you for this post. I always had this gut feeling that the Keynesianism in the aftermath of 2008 was a really bad idea but economics isn't my space and I don