throwaway9870

It probably should have been more than 3 hours given that you likely mean "voltage" not "amps".

Before everyone jumps on me, "it is the amps that kill you, not voltage", I understand electricity quite well and in this context, saying something like "handling high amps in a university" is almost certainly not what was taught.

It is also very nice for safety related tasks because it makes a code audit much simpler.

Sometimes it is done as part of a talk and hence it is natural to be a video. But that being said, I normally skip over videos when looking for information on a technical topic. I find, for me at least, my learning to time ratio is far better with a text document than a video.

Not sure why you are being down voted, it seems to be an interesting conversation of video vs written material for highly technical content.

It is called a heat loss calculation. HVAC guys do them all the time (or at least they should). There are online calculators.

I had to write some EFI/GPT code earlier this year and was dumbfounded to learn this. This is right up there with the mork file format.

From what I read, she didn't anticipate the variants and didn't anticipate the war in Ukraine. The latter I understand, the former less so. I am curious what was she anticipating? Every goes great? Sometimes I wonder if a system engineer would not be a lot better this type of thing?

Agreed. They are generally very solid hardware compared to semi-generic Chinese systems. They even have an embedded CEC control which is not found in any other x86 sytems AFAIK. Open source firmware that can do EFI or BIOS payloads. Look up MrChromebox for details.

I bought a Samsung Frame TV for my parents for a Christmas present. Dear lord what a mistake. So much software shit on that TV. After two hours of playing with it and Googling it, I still can't figure out how TO TURN IT OFF. WTF. Their customer support is worthless.

I would really think twice before I bought another Samsung consumer product.

I don't understand this video. If it was 1996, then is wasn't about the Iraqi invasion because it hadn't occurred yet. The 1993 action was not an invasion of Iraq. The caption says something about Iran, but I can't imagine what the US did to cause 1/2 million deaths of children in Iran. So what was this video actually about?

I don't take testing advice from anyone who uses generic terms like "test coverage". Test coverage is a complex subject, but without a basic understanding, tests can create a false sense of security. Saying something like "100% coverage" means almost nothing to anyone that understands testing.

This is a worthwhile read:

https://en.wikipedia.org/wiki/Code_coverage

Without formal methods, software will realistically never be 100% tested. But don't worry, your hardware isn't either!

I think you just proved my point better than I could have ever done: Those most vocal about energy are generally the least informed.

Let me guess, you have no formal engineering training, do you?

EDIT: to make this comment more constructive, here is a link to an excellent book on energy processes: https://www.amazon.com/Fundamentals-Renewable-Energy-Process...

I took a class with da Rosa and at the time this book was still in draft form, but nonetheless, excellent and easy to read. There appear to be new editions, don't know the differences.

Heat exchangers running in ocean water are very difficult because they build up algae and other debris that can significantly reduce their efficiency.

None of this is rocket science, it is all well known to anyone who actually wants to do some research. Unfortunately, it seems like the people most vocal about energy are generally the least informed.

You just don't "use" heat to make electricity. You need some sort of heat engine running a cycle. All those require temperature differential. This is basic thermodynamics and isn't going to change with new technology. This temp differential is what is required to extract useful energy. So I don't understand why they talk about material at a certain temp having energy compared to oil. If we lived on a planet that is uniformly 1000 deg F, it wouldn't help us because we don't have a temp differential to convert thermal energy to electric.

Nowhere in the article did I see them mention temp differential and where they are going to dump the waste heat? Nuclear plants get crapped on because they dump heat into adjacent water bodies, how is this different?

That is the point of the scientific method. You don't believe it because you read it once, you believe it when multiple people construct repeatable experiments that yield similar results. It is the essence of science.

Interview them. That is what we did and it worked great. Where are you located? I used ours twice and both times was happy.

You can incentivise them to push for higher prices with the terms you offer them. The ones I worked with were highly motivated and skilled at pushing higher.

Don't let the world see you dirty laundry. Every company has these problem, customers should never see it.

> Blacks value isn't autoformatter, it's preemptive discussion ender.

Exactly. I have learned that having it formatted just like I want it is FAR FAR FAR less important than having the entire ecosystem share a single format.

I am just about to embark on resolving differences in our code base due to two different clang format files being used by different teams that have now merged. Can't wait to have all those conversations and discussion over which options are correct.

One hour my ass.

I remember when usenet was awesome. I remember asking Raymond Chen questions about programming Windows and he would engage in conversation. I remember reading posts from C++ guys like Pete Becker and others who were incredibly knowledgable. I can't remember names, but people from Bell Labs would post and I learned so much from reading their discussions. But that is gone and dead. As a replacement, I have read HN for years and use this account occasionally to post, but lately have become quite disappointed. It isn't about snarky or mean comments, it is the shear number of comments that are just juvenile. This question could have some interesting perspectives and conversation, but is written in such a poor and, for lack of better work, stupid manner that is just lowers the standard of this site. I know nobody cares if I am here or not, but I just want to point out that I have been fortunate to be part of a large number of intellectual communities over the years and if HN wants to be considered one, they need to do some work because they are headed in the wrong direction.

Not sure $1B is enough to move the needle in this market.

Most professional sports teams in the US ban fans that fight in the stadiums. In regards to banning people in supermarkets - yes, the store is entirely within its right to ban the customer: https://axislc.com/public/can-a-business-ban-a-customer/

Clearly the system has not been abused too much if you are not even aware this is how it already works.

Not a chance, while you can stretch out horizontally to make a 7nm look like a 180nm (conceptually, still has problems in reality), you can't do that vertically. For example, the gate oxide at 7nm works differently than at 180nm.

People can't consume more than they produce, unless they are riding on the coat tails other workers. Right now, America is used to riding on the coat tails of Asian labour and that is eventually going to come to an end.

No physics problem? I consider a fully equipment fireman carrying a person trying to squeeze between the house and the shed to be a physics problem. And yes, those situations are considered when codes are written.

You can get structural rated screws in pretty much any Home Depot or Lowes in the US and they don't cost that much relative to all the other expenses building that shed.

Telling people to not use structural screws is wrong, they are far superior to nails for DIY person. For starters using the right nail isn't that easy either - do you know if you inspector allows clipped head nails? Are you driving them in pressure treated wood? If so, do you have the right nail? With a GRK R4, you don't have to worry about any of those issues. They are easy to drive with an impact driver, for a noob, they are faster than driving a nail by hand, they can be removed, they are less likely to split wood.

The important thing here is that neither nails nor screws are "all the same". Know what you are using them for and use the correct ones. If you use any hangers or other ties, you can generally use screws or nails, but you MUST read the spec sheet from the manufacture to get the correct ones. Even "professional" home builders frequently use the wrong fasteners for these applications.

https://www.grkfasteners.com/support/code-approvals

The irony is you are telling people to not write about things they aren't qualified to write about, but that is exactly what you are doing.

There are structural screws that are excellent options for framing. GRK and Simpson make extremely well regarded structural screws that, at least in the US, are accepted for framing most/all building code offices.

Here is an example of a Simpson screw: https://www.strongtie.com/strongdrive_exteriorwoodscrews/sdw...

Here is a GRK: https://www.grkfasteners.com/structural/r4-multi-purpose-scr...

And the author is right - if you are a weekend warrior, they are far better than framing nails. You don't need a nail gun, just an impact driver which is usually less expensive and more useful for other tasks. They don't split the wood as much as a framing nailer, are generally more accurate to put in, and can be easily removed if needed.

I think people vastly underestimate how much modern linux can scale on a decent computer. I had systems in the field connecting via SSH into a single VM with over 9000 concurrent connections it was fine on a KVM with about 24G of RAM and a couple cores. My WAN connection was only 250Mbps which was far more limiting in terms of traffic than SSH & KVM.

Maybe, but there a lot more web programmers than Qt programmers, so chances are you going to be dealing with someone who knows the web and not Qt.

Maybe driving becomes tiered where a person's ability to access overrides are based on tests and their driving record. Not saying it is a good idea, but with computer controlled driving systems, it becomes plausible. For example, if you had a DUI in the last year, no overrides for you.

We had a VM in a datacenter that hosted everything and was accessed over a VPN. Again, I don't know the specifics of the NPM setup, but for everything else it was HTTP serving static files right off disk. It was a manual process to add new files, but generally they got added in batches so it wasn't too painful. Gentoo has hashes for everything, so at least for OS packages, you could not overwrite anything without breaking the build and noticing.