dbcurtis

64 ms·

721.
by dbcurtis 7y ago
You have uninitialized variables. If you run debug builds, the compiler fetches an uninitialized variable out of memory that the OS nicely zeroed before it gave it to the process. If you run even the simplest optimizer, it will say: "
722.
by dbcurtis 7y ago
> How about 3 fonts (serif, sans, and fixed) and color instead of monochrome? You're too quick to compromise :-) Minimal Viable Picture :) > Postscript could work, but if you picked something explicitly line oriented it would cau
723.
by dbcurtis 7y ago
> I wish there was some reasonable standard (like a better version of Rich Text) that was commonly adopted so other languages could put graphical pictures in the source code. I have felt exactly the same for many years. It would need to
724.
by dbcurtis 7y ago
Yeah, good point. I'm sure there are servos that have the required specs. I'm just not in the habit of looking at catalogs where the prices are that high :) Maybe I should switch to building flight simulators so that I can orde
725.
by dbcurtis 7y ago
Hmmm.... "power dive" sounds like opposite of stall to me.
726.
by dbcurtis 7y ago
The way I would approach it (based on mechantronics I have done for robots) is to back up the control wheel with an encoded motor. (Position/rotation encoder on the tail shaft.) The encoder will give you wheel position, the motor allow
727.
by dbcurtis 7y ago
What is a bunch of random nerds going to do? They have no power to fine or arrest. All they can do is document the evidence and turn it over to the FCC, which does happen on occasion. But, I have listened to ARRL division directors talki
728.
by dbcurtis 7y ago
The T-hunting game is usually pretty spicy, with intermittent transmissions and propagation hacks. A repeater adds no difficulty at all.... just DF the input of the repeater.
729.
by dbcurtis 7y ago
> People even jam ATC for giggles sometimes. Or impersonate. One of my pilot friends was planning a trip across the CA Central Valley, and he reported with some bemusement that there was at active NOTAM (NOtice To Air Men) to be on guar
730.
by dbcurtis 7y ago
Communication Workers of America union
731.
by dbcurtis 7y ago
No, it is still hard to hide the other electronics. But self driving cars will be powered by the windscreen.
732.
by dbcurtis 7y ago
> I think it's a little far to suggest that any rank and file ENGINEER would have compromised ethics They should have the ability to think about the ethical impact of their work, or have awoken to the necessity. “never thought about
733.
by dbcurtis 7y ago
Does F still have resume prestige? I predicted more than 10 years ago that someday having worked at Facebook would be the resume stain that you wear for life. Has it not yet come to pass that having worked at Facebook is a red flag? Sure
734.
by dbcurtis 7y ago
Let’s not forget that these were all very complicated missions and not duplicative. It would be nearly impossible to train for two at once, and do it well. Too disfocussing.
735.
by dbcurtis 7y ago
I fail to see how this is better than syncing to a hard drive that you leave at home?
736.
by dbcurtis 7y ago
Interesting thought. I wonder if LLVM IR has a semaphore primitive? In which case it could map to the HSEM in STM32 or an instruction sequence for other machines. IR seems like the natural place to put this kind of functionality, especia
737.
by dbcurtis 7y ago
In the world of embedded Rust, all roads lead to Jorge. He has been doing outstanding work.
738.
by dbcurtis 7y ago
> His tone is so off-putting His writing does come across that way. He is self-confident, certainly. I have met him in person. He is actually a kind and generous person. He is also very likely to be the smartest person in the room mo
739.
by dbcurtis 7y ago
From 2005, my second-favorite old spark’s sea story: “Don’t send QRQ to SUQ”: http://lists.contesting.com/_cq-contest/2005-11/msg00453.htm... (My favorite being a first hand account from W3HUV who by chance happen
740.
by dbcurtis 7y ago
Actually 2-3 nights is a better estimate, in practice, as I understand it. OK, so apologies as this is literally a second-hand shaggy-dog story, but here goes: I coordinate the maintenance of a privately maintained road in the Sierra foot
741.
by dbcurtis 7y ago
That is an IBM- and Univac-centric view of I/O. Control Data Corp had the "peripheral processor", or PP. PP's only ran OS code, usually called "driver overlays". It was actually very elegant. There were 10 c
742.
by dbcurtis 7y ago
Well, my answer is this: Coming from the perspective on a Pythonista, C++ seems tedious and error-prone. Rust, on the other hand, is merely tedious -- which is progress of a sort, one has to admit.
743.
by dbcurtis 8y ago
How does this interact with Rust memory safety? I am not familiar with the PyToObject trait, so I am guessing that this has some kind of safety wrapper?
744.
by dbcurtis 8y ago
≥ I demand my frozen vegetables are packaged in plastic bags. Paper boxes are perfectly suitable for frozen veg. They stack perfectly. Less flexible, I'll give you that. But a compostable box versus plastic seems like a win to me. I
745.
by dbcurtis 8y ago
I would feel better if these folks https://www.gaming.nv.gov/index.aspx?page=15 helped establish the best practices for voting machine approval. Seriously, what does it say about our society that it is harder to deploy a sl
746.
by dbcurtis 8y ago
> I still struggle to understand basic concepts like: + Baluns + Why does the height of an antenna effect its effectiveness? + Gain + Circuit design + Transistors That's a lot of topics. People spend a lot of time understanding eac
747.
by dbcurtis 8y ago
> The range consists of basically a robot arm that can hold the antenna under test (AUT) in any orientation, Which works better at 2.4GHz than at 2.4MHz :)
748.
by dbcurtis 8y ago
> you will run into a lot of Fortan code. By which you probably refer to the NEC2 code base. NEC2 is public domain, so that is what most hackers use. The native UI is column-senstive punch cards. Blessedly, there are people that have p
749.
by dbcurtis 8y ago
>I still haven't been able to find a general equation for a have wavelength dipole antenna explained in simple English. Equation for what? Length at resonance? Feed point impedance? Other interesting parameters? Antennas are one o
750.
by dbcurtis 8y ago
You know, I can't remember why it vexed me so much. I think there was a time back in the day when serial cards would have to add a CR because the C printf() would terminate in just \n. And a number of them did it in the wrong order, a

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