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LysPJ commented on Das Blinkenlights   rodyne.com/?p=1674... · Posted by u/boznz
LysPJ · 8 months ago
This story reminded me of the "BeBox" [0] PowerPC computer from the 1990's, which had Blinkenlights on its front bezel.

(It ran the very cool "BeOS" operating system[1], which was eventually ported to Mac, then x86.)

[0] https://en.wikipedia.org/wiki/BeBox

[1] https://en.wikipedia.org/wiki/BeOS

LysPJ commented on C "clockwise/spiral" rule to understand declarations   c-faq.com/decl/spiral.and... · Posted by u/galkk
LysPJ · 8 months ago
As a C programmer, declarations in Go appeared "backwards" to me when I first saw them.

IMO the Go syntax is a vast improvement as it's much simpler and avoids the clockwise/spiral issue: https://appliedgo.com/blog/go-declaration-syntax

LysPJ commented on Australia/Lord_Howe is the weirdest timezone   ssoready.com/blog/enginee... · Posted by u/noleary
hnbad · 10 months ago
I think you misread that. America/Nuuk doesn't have reverse DST (which is easily solved by just switching DST and non-DST around). It starts DST at a negative offset because the offset is defined as relative to the previous day.
LysPJ · 10 months ago
Yes, this is indeed a different situation and my comment doesn't make that clear. Thank for pointing that out. I've made an edit.
LysPJ commented on Australia/Lord_Howe is the weirdest timezone   ssoready.com/blog/enginee... · Posted by u/noleary
LysPJ · 10 months ago
> America/Nuuk does daylight savings at -01:00 (yes, with a negative)

Somewhat related: Europe/Dublin has a negative DST offset. Irish DST runs through the European winter (i.e. the opposite of the other European timezones).

(More details here: https://github.com/golang/go/issues/56743#issuecomment-13157... )

Edit: To be clear: the quote is referring to a negative DST start, rather than a negative DST offset.

LysPJ commented on Apple's AirPods Pro hearing health features   theverge.com/24275178/app... · Posted by u/elsewhen
whoitwas · 10 months ago
This comment confuses me, but makes sense. Concerts are for consuming sound, people wear ear plugs??? Wouldn't that defeat the purpose? Like a blindfold in a theater?
LysPJ · 10 months ago
The music at many concerts and nightclubs is unfortunately loud enough to cause permanent hearing loss.

Ear plugs reduce the volume to a level where you can still hear the music, but the risk of long term damage is reduced. (You can get "musician's ear plugs" which attenuate all frequencies equally, so they don't make the music sound weird.)

LysPJ commented on What the damaged Svalbard cable looked like   nrk.no/tromsogfinnmark/th... · Posted by u/ingve
goodcanadian · a year ago
That's what trawling is . . . it is completely normally for a trawler to go back and forth like that.
LysPJ · a year ago
But not over a cable.

Submarine cables are clearly marked on nautical charts, and even recreational boaters know not to anchor in those areas.

A professional trawler captain is not going to accidentally trawl over such an area.

LysPJ commented on VCs aren’t your friends   openvc.app/blog/vcs-arent... · Posted by u/taubek
Negitivefrags · a year ago
If they have fixed costs, why is it a percentage based fee?

Why not just be upfront with a fixed dollar value per year of fees for that part?

LysPJ · a year ago
Fees such as trading costs are a percentage of trading volume.

Therefore, the more money you are managing, the higher your trading costs. (i.e those costs are "fixed" but its a "fixed percentage" rather than a static number.)

LysPJ commented on Endlessh-go: a Golang SSH tarpit that traps bots/scanners   github.com/shizunge/endle... · Posted by u/fastily
daghamm · a year ago
But the bots can easily detect these, cant they? As long as there is a timeout on socket read, this shouldn't waste that much of the scanners time.

Or am I misunderstanding this?

LysPJ · a year ago
Endlessh periodically sends data so the read timeout won't trigger. Specifically, it draws out the crypto negotiation stage indefinitely by exploiting a feature of the SSH protocol.

(Of course, the bot author could detect that behaviour too.)

There's more info from the author of Endlessh: https://nullprogram.com/blog/2019/03/22/

LysPJ commented on 28-ton, 1.2-megawatt tidal kite is now exporting power to the grid   newatlas.com/energy/mines... · Posted by u/bornelsewhere
LysPJ · 2 years ago
For those wondering how they transfer the generated energy from the tidal kite to the shore:

> The turbine shaft turns the [onboard] generator which outputs electricity to the grid via a power cable in the tether and a seabed umbilical to the shore.

u/LysPJ

KarmaCake day258February 24, 2020
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