dbcurtis

84 ms·

871.
by dbcurtis 8y ago
I use KiCAD when I am forced to. Of the two open source EDA packages that I am aware of, KiCAD certainly has an easier learning curve than gEDA. That said, I started with gEDA so I have surmounted the learning and libraries problems suffici
872.
by dbcurtis 8y ago
> Although some of the variance in those outcomes are due to lower average socioeconomic status rather than familial expectations. I’m not sure if it is lower socioeconomic status, or just inability to coach. It is hard to give advice ab
873.
by dbcurtis 8y ago
> Personally, I don't believe there is such thing as overpopulation. Do you not believe the planet has a finite size? Because those two things go together.
874.
by dbcurtis 8y ago
I grew up in Iowa/Minnesota, and buffalo is (was) used there. But is it a regionalism or anachronism? To me, “to buffalo” canotes a combination of verbal bullying and deception more than physical bullying.
875.
by dbcurtis 8y ago
A bottom up parser such as LALR knows what it has built successfully, and knows that the next token makes no sense in the current state. So you have stuff in the parse stack that is headed somewhere but you don't know where, and you k
876.
by dbcurtis 8y ago
The problem with yacc/bison-style LALR parser generators is that you end up with an LALR parser. Which works great on syntactically correct code, but trying to get a reasonable error message out of one is about as much fun as repeated
877.
by dbcurtis 8y ago
Sure. First step is "make it work". A functional simulator is sufficient for that. If you are working on a compiler back-end, then the ability to see actual pipeline stalls, to run benchmarks, to investigate the impact of vario
878.
by dbcurtis 8y ago
Cycle-accurate simulation as a software development vehicle while you wait for the real hardware to become available. Get your software debugged now and you will be good to go when the real chips land.
879.
by dbcurtis 8y ago
It hits before 75. One of my friends, who is about 75, and I would say has some wisdom, often says: "I have four children: three grown, and one that got older." Poor judgement know no age limits.
880.
by dbcurtis 8y ago
RO doesn't catch everything, and are kind of a maintenance hassle. You need to be religious about changing the filters, back-flushing, etc. In the end, I decided it wasn't worth the hassle. We have a counter-top water distiller
881.
by dbcurtis 8y ago
OK, that's fair. But one interesting case in that space is where the production code is highly optimized to be performant at the expense of simplicity. Writing an easy-to-understand but stupid-slow oracle is often a worthwhile strate
882.
by dbcurtis 8y ago
That is genius.
883.
by dbcurtis 8y ago
Disclaimer: I only took a quick glance at the material, not a deep dive. So feel free to discount my criticism as severely as you like. Or whack me with a clue-bat, if needed. 1. In the fuzzing chapter author seems to be showing how to cr
884.
by dbcurtis 8y ago
Clock throttling is still a thing. Many ARM Cortex-Mx parts, when in deep sleep, draw less current than the self-discharge rate of a standard alkaline battery sitting on a store shelf waiting to be purchased. It is common to leave the RTC r
885.
by dbcurtis 8y ago
All the nursing journals are full of articles about combating “alarm fatigue”. After 1 google query and 2 minutes of link-clicking: > “An analysis of alarms at The John Hopkins Hospital, Baltimore, Maryland, revealed a total of more than
886.
by dbcurtis 8y ago
without a bezel there is nothing for the case to wrap around.
887.
by dbcurtis 8y ago
There is a robotic snow blower competition, run by U of Michigan, I think. The failure scenarios for that are even more frightening to think about.
888.
by dbcurtis 8y ago
The transition was nearly instantaneous. We all used slide rules in high school chemistry and physics. Two years before I entered freshman engineering, “engineering computation” was taught with slide rules. The next year, you could optiona
889.
by dbcurtis 8y ago
Is this the device referred to as the “circular prayer wheel”?
890.
by dbcurtis 8y ago
Well, tabs versus spaces is not a Python thing, that will bite you in any language eventually. Blame the VT-100 terminal. Here is the thing about indentation versus curly-braces-and-semi-colons: It boggles me that people find it acceptable
891.
by dbcurtis 8y ago
> Rust is the answer to the question "can we have speed, correctness, and expressiveness in one language?" My biggest gripe is that they left out readability. I like the semantics of Rust, and appreciate the performance and the
892.
by dbcurtis 8y ago
Some of both. Machine harvested grapes have a lot of field run, leaves and twigs, etc, and also the grapes are not as gently handled. So you at least have to keep the larger pieces of cruft out of the fermentation vats. But marketing ima
893.
by dbcurtis 8y ago
Or maybe the guy that "knows how to solve the problem" is solving some other problem, not the actual problem. I count three wine makers among my friends. None of them machine harvest their own grapes, nor will source machine harv
894.
by dbcurtis 8y ago
Spot on. It's very simple. Farming is a business with very high capital requirements and very thin margins. If you can move the needle on margins, it is a huge win, and farmers will be all over it. All you have to do is prove th
895.
by dbcurtis 8y ago
Consider the problem you are trying to solve. I/O devices, from the CPU's standpoint, are things that are very slow and require infrequent service, but when they do require service, have extremely strict hard-real-time latency re
896.
by dbcurtis 8y ago
Well, more like hyperthreads than cores, if I understand the Propeller correctly. The earliest implementation of hyperthreaded hardware for doing I/O that I am aware of is the CDC 6000 series, announced in 1959, if I recall correctly.
897.
by dbcurtis 8y ago
You are correct. I suspect the reason he uses old machines is that with 80 acres, he doesn’t generate the free cash flow for anything other than picking over the junk pile.
898.
by dbcurtis 8y ago
I am 100% behind the concept, but there needs to be a demonstration of scalability. 80 acres in Western Minnesota isn’t a farm, it is a hobby. Maybe with 10x the land, you could earn a living and support a family. 80 acres is a collection o
899.
by dbcurtis 8y ago
Can you recommend any good references?
900.
by dbcurtis 8y ago
More sunspots are associated with increased solar flux, which cause ionization in the upper atmosphere. HF (3-30MHz) communication is generally enhanced by increased ionization (to a coarse first-order approximation -- the nuances fill man

More ›