I'm sitting at the ER right now wondering what sort of ads I'll get. Truth is you can't count on government to restrict itself so you have to buy your own privacy.
Readit NewsPorterDuff commented on Why I Write Games in C (yes, C) jonathanwhiting.com/writi... · Posted by u/WoodenChair
What percentage of the market is A/V build to actual hard real-time standards, and not expected to run on devices that can't provide it (so no PCs with normal OSes, no smartphones)? For the vast majority, soft real-time is fine, since an occasional deadline-miss results in minor inconvenience, not property damage, injury or death.
I assume some dedicated devices are more or less hard real time, due to running way simpler software stacks on dedicated hardware.
I take it that scarcely anyone here has written software for video switchers, routers, DVEs, linear editors, audio mixers, glue products, master control systems, character generators, etc. etc. Missing a RT schedule rarely results in death, but you'd think so given the attitude from the customer. That's a silly definition for it.
There's a whole world out there of hard real time, the world is not simply made up of streaming video and cell phones.
The cool thing on HN is you can get down voted for simply making that observation. It's a sign of the times I'm afraid.
PorterDuff commented on Hold That Recession: U.S. Indicators Are Trouncing Forecasts bloomberg.com/news/articl... · Posted by u/undefined1
I see lots of people here talking about recessions and market crashes as though they were the same thing. So let me point out that they aren't. A recession is when GDP goes down and a market crash is when stock prices go down. Either one can happen without the other.
I admit that the correlations appear pretty vague:
https://asset.barrons.com/public/resources/images/ON-BS188_C...
PorterDuff commented on Why I Write Games in C (yes, C) jonathanwhiting.com/writi... · Posted by u/WoodenChair
> it was generally non-deterministic
This is basically it. People who have never worked on actual real-time systems just never seem to get that in those environments determinism often matters more than raw performance. I don't know about "soft" real-time (e.g. games, or audio/video) but in "hard" real-time (e.g. avionics, industrial control) it's pretty routine to do things like disable caches and take a huge performance hit for the sake of determinism. If you can run 10% faster but miss deadlines 0.1% more often, that's a fail. It's too easy for tyros to say pauses don't matter. In many environments they do.
""soft" real-time (e.g. games, or audio/video) "
Hah. Who sez that audio and video products have 'soft' real time? Go on now.
I'm more curious about the state of that yurt in 5, 10, 15 years. Heating, humidity, insulation, energy bill, insects, hygiene, maintaining the toilet and the hygiene issues that come with it.
Building codes don't exist without good reasons. Health and comfort don't happen by snapping finger at good ideas. I would really be interesting if construction engineers seriously studied yurts.
I have to say this looks pretty nice and it's pretty cheap, but humans did not start building with hard materials without good reasons. Even without fossil energy, humans still started to use stone, cement, etc.
I guess brick has a very long lifespan, it's worth the time spent, but I don't know if it's cheap.
"I'm more curious about the state of that yurt in 5, 10, 15 years."
It's a good question and I've always wanted to see postmortems on alternative building methods generally. I suppose that we could always take on the Japanese philosophy of building homes anew every few decades.
'Round these parts, I'm afraid that a yurt would be crushed by the first real snowfall, but the build isn't in these parts so no harm, no foul.
Personally, I'd think twice about building over an old blackberry patch. There's a reason that the plants like that place and the word 'swamp' comes to mind. It's already hard enough to deal with moisture in a dwelling as it is.
In any case, it sure looks cool and I like the builder's spirit.
PorterDuff commented on Nanix: An idea for a modern, small, Unix-like operating system piperswe.me/posts/nanix/... · Posted by u/mpweiher
I'm always in favor of homebuilt OS projects, I've worked on several in-house OSs and they seem to have good ideas salted around them.
If it were me, I'd write an open source RTOS (yet another one) and cast around for clever notions to stick in the thing, for the mental exercise if nothing else. Perhaps carve out a niche in quality/safety and not so much in performance.
PorterDuff commented on Do Stocks Outperform Treasury Bills? (2018) papers.ssrn.com/sol3/pape... · Posted by u/ZeljkoS
Seeking to replicate the performance of an index by trading a basket of stocks/futures/options is not active management.
For instance, when an institutional investor gives SPDR say, $300,000,000 for a million shares of SPY, the fund goes out at purchases the underlying stocks in proportions that match the composition of the S&P 500, and then issues the SPY shares and holds the underlying and dividend payments in trust. SPDR does not have the option to choose the shares, they purchase a basket that replicates the S&P 500.
This is passive management, there is no one actively picking stocks, and when to buy/sell them.
So who decides what the DJIA and S&P 500 stocks actually are? A random number generator?
PorterDuff commented on America has two economies, and they’re diverging fast brookings.edu/blog/the-av... · Posted by u/siberianbear
I stopped reading at "low-skill".
lol. Good point. I would like to see everyone's list on what a 'skill' really means. It would make a good basis for a discussion.
a quick edit: It's a question that really began gnawing at my mind over the last few minutes. What is a skill?
To tell you the (highly likely) truth, I could probably take on the jobs the authors hold and do a perfectly acceptable professional job given a desk, a library, a phone, a web browser, and a five minute head start. Are they 'skilled'?
PorterDuff commented on America has two economies, and they’re diverging fast brookings.edu/blog/the-av... · Posted by u/siberianbear
Not a lot. High-speed Internet is good to have, but it does not make your farm better, productivity higher and product prices higher. You don't "digitally enhance" your manufacturing plant with faster Internet unless the speed of Internet is keeping you from achieving better productivity - most of the time, not the case, plants have all local systems and they use SCADA, not fancy screens or kubernetes.
Perhaps the general hope is that we can replace all wealth due to manufacturing, resource extraction, food production, with that produced via internet advertising.
We'll be living in a company country.