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kevdev

99 karma · joined April 5, 2020

github.com/kevrenac
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kevdev··on Datacenters in space aren't going to work
As someone with a similar background to the writer of this post (I did avionics work for NASA before moving into more “traditional” software engineering), this post does a great job at summing up my thoughts on why space-based data centers won’t work. The SEU issues were my first though followed by the thermal concerns, and both are addressed here fantastically.

On the SEU issue I’ll add in that even in LEO you can still get SEUs - the ISS is in LEO and gets SEUs on occasion. There’s also the South Atlantic Anomaly where spacecraft in LEO see a higher number of SEUs.

kevdev··on Ask HN: Who's been hired through Hacker News?
I got hired at my current company back in 2022 through their post on a Who’s Hiring post here. Likely never would have heard of them otherwise, but glad I did!
kevdev··on Comparing Tech Used for Apollo, Artemis NASA Missions
Thanks for sharing this. I had the pleasure to work with Don Eyles in a previous job, he is a brilliant man, didn’t realize he had written a book. I actually didn’t even realize who he was initially when I first met him until another co-worker told me of Eyles’ history.
kevdev··on Invisible Bunnies That Power World of Warcraft (2017)
Reminds how in one of the Bethesda Fallout games, they needed a subway train car. Solution? Make an NPC with a train car head that runs really fast.
kevdev··on Quindar Tones
Fun fact: when the Quindar tones were no longer needed, NASA initially removed them. However, it caused confusion in mission control since everyone was used to them, so NASA added them back.
kevdev··on Encrypting private data and private communications is now an ethical duty
Your argument assumes a just state that will not outlaw things like dissent against the government, being LGBTQ, etc. Plus, having something to hide does not automatically mean you are doing something criminal. I do nothing criminal, but I still have things to hide.
kevdev··on The 1997 merger that paved the way for the Boeing 737 Max crisis (2020)
For those interested in this topic, the IEEE piece by Gregory Travis linked in this article is a fantastic read.
kevdev··on The Raft Consensus Algorithm (2015)
Figure 2 is great, but I would agree the entire paper is needed if you are implementing raft. There are a few specifics in the paper that you need when implementing it.

P.S. love your blog :)

kevdev··on The Raft Consensus Algorithm (2015)
I love this site. When I was learning & implementing raft in my distributed systems course, this page was invaluable. Plus the paper itself is pretty easy to read.
kevdev··on The Raft Consensus Algorithm (2015)
Raft is not byzantine fault tolerant.
kevdev··on How Zoom’s terms of service and practices apply to AI features
Yeah medical info and HIPAA was the first thing I thought of when I saw this. My company doesn’t deal with medical data but I can’t imagine any company dealing with PII wants to use Zoom now.
kevdev··on Maps distort how we see the world
And a wheat thin the size of Lake Tahoe.
kevdev··on Addressing the community about changes to our API
Funny how he keeps using the phrase “developers that want to work with us”. Clearly trying to suggest that some don’t (wonder which ones he thinks do not want to work with them /s)
kevdev··on Addressing the community about changes to our API
In general I would agree, but the only reason the recordings were made public was because Reddit was straight up lying about the Apollo dev. So the recordings were released to prove that the Apollo dev was right.
kevdev··on Astronomers discovered 1M new galaxies in 300 hours
Potentially dumb question: when astronomers see a new galaxy, how do they know it’s never been discovered before? Is there some database of known galaxies that they use? Presumably there’s something measurable that they’re using to identify galaxies as well.
kevdev··on Ask HN: What tech advice are you giving to those around you for 2023?
Why would you recommend 1Password over Bitwarden for less technical folks? Asking because I am about to setup a family plan on Bitwarden for me and my less-technical wife. I already use Bitwarden and have for some time, so seeing if there may be a compelling reason for us to go with 1Password instead.
kevdev··on End-to-end encrypted messages need more than libsignal
You’re correct.
kevdev··on Ask HN: Who is hiring? (June 2022)
FYI, your job listings page shows "Page Not Found": https://ocient.com/job-listings. Should we e-mail resumes to the recruitment e-mail address?
kevdev··on Ask HN: Favourite open source game?
+1 for Endless Sky. Excellent game!
kevdev··on Master’s Degree in Computer Science
Current OMSCS student here (4 classes down, 6 to go). I'll second this comment, so far I've been impressed with the program. It's definitely rigorous, but I've already learned a lot.
kevdev··on GitHub will require 2FA by the end of 2023
I don’t think that’s an insane setup at all. Losing access to GitHub would be bad for a lot of folks on HN I suspect. My GitHub has 2FA with Yubikeys and I am planning to do something similar to yours with backing up to a personal Gitea instance… once I get around to it.
kevdev··on SNES Development Part 1: Getting Started
Is there a good website/subreddit/etc for the Apple IIGS dev community you’d recommend?
kevdev··on T-Mobile begins blocking iPhone users from enabling iCloud Private Relay in US
I’m on Verizon, and it works fine for me.
kevdev··on VScode Pets
So.... can I get a Clippy pet?
kevdev··on FIDO2 security key company releases hardware that's open source and uses Rust
This. I’m a backer for their Kickstarter but the lack of PGP is unfortunate. Yes, there are problems with it. But as you said, it’s everywhere. It’s not going anywhere anytime soon, so what’s the harm in supporting it for now?
kevdev··on Open Source Mission Control Software from NASA
I’ve used COSMOS with embedded systems on personal projects and it is very easy to learn and get setup. Highly recommend it to folks who are considering it.

For anyone interested in using this with Arduino, you can take a look at this blog on how to do it (not my blog): http://www.williamosman.com/2016/08/cosmos-and-arduino-20-te...

kevdev··on Cabal: A peer-to-peer, off-grid, community-first, hackable chat platform
Same for me when viewing vertically. Rotating my phone to view horizontally worked better.
kevdev··on YC Startup School for future founders who aren't quite ready to start yet
Serious thank you for doing this!