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webignition commented on I spent a week without IPv4 (2023)   apalrd.net/posts/2023/net... · Posted by u/mahirsaid
doubletwoyou · 3 months ago
the :1 is short for :0001 basically and then just put that bit of the address at the very end and put the first bit of the address at the front, and then just fill each missing group inbetween with 0000
webignition · 3 months ago
"just"
webignition commented on I spent a week without IPv4 (2023)   apalrd.net/posts/2023/net... · Posted by u/mahirsaid
karlshea · 3 months ago
":: is all zeros" is too hard??
webignition · 3 months ago
How many zeros?
webignition commented on Just 137 crypto miners use 2.3% of total U.S. power   tomshardware.com/tech-ind... · Posted by u/CharlesW
fifilura · 2 years ago
Thank you for answering!

Yeah there are lots of reasons to not get a heat pump, floor heating is one of them.

And your gp post was not unreasonable, and food for discussion.

But what part for your setup would you replace with GPU heating?

webignition · 2 years ago
For my setup, absolutely none of it! Wholly incompatible with what I have.

My original question was purely hypothetical and not a practical consideration for me or, probably, anyone else.

webignition commented on Just 137 crypto miners use 2.3% of total U.S. power   tomshardware.com/tech-ind... · Posted by u/CharlesW
JumpCrisscross · 2 years ago
> want to know where OP lives, having an all electric heating setup anywhere in the world where it gets cold enough is incredibly inefficient

I'm in Wyoming. My heat is direct electric. The house doesn't have ducting and Wyoming power is cheap.

webignition · 2 years ago
A bit of a tangent, but do you mind saying what you pay per kWh?

I'm currently on £0.36 GBP per kWh (about $0.45).

Just wondering what counts as cheap!

webignition commented on Just 137 crypto miners use 2.3% of total U.S. power   tomshardware.com/tech-ind... · Posted by u/CharlesW
GaryNumanVevo · 2 years ago
Seriously, I want to know where OP lives, having an all electric heating setup anywhere in the world where it gets cold enough is incredibly inefficient
webignition · 2 years ago
I'm in the UK, a small town in Wiltshire.

The town I live in is bisected by a MOD railway and, from what I understand, permission was never granted for whatever was needed to supply natural gas on my side of the tracks. This rules out some of the more common traditional heating systems found in these parts.

We bought the house ~two years ago. The building itself was (and still is) quite sound but was a wreck in terms of features (no heating system at all, no flooring at all, and in terms of a kitchen and bathroom facilities it was quite ... minimal).

My partner had long hoped for underfloor heating downstairs as she loves the feel of walking on warm flooring. I have to agree that it is a delightful luxury and we don't otherwise have too many vices.

Direct electric underfloor heating felt like the least hassle in the long term and the easiest for self-installation. The alternative was a wet underfloor heating system (water filled pipework set in screed). The wet system is capable of leaking and eventually failing with expensive repairs, the electric system less so.

We use infrared wall-mounted heaters upstairs. As far as direct electric heaters go they're quite efficient. They heat the objects in the room rather than the air and it feels like the warmth of the sun on your skin.

I agree wholeheartedly that heat pumps are a more efficient option and could indeed be used as a direct replacement for our upstairs wall-mounted heaters. This is something we hope to put in but was not previously affordable when we were re-working the entire of the inside of the house from nothing.

As far as I understand, we would need a wet system for underfloor heating if we were to utilise heat pumps and at this stage that would be a prohibitively expensive re-work of what we already have.

Hopefully roof-mounted solar and a battery of some sort should even out the costs a bit.

webignition commented on Just 137 crypto miners use 2.3% of total U.S. power   tomshardware.com/tech-ind... · Posted by u/CharlesW
webignition · 2 years ago
I live in a house house exclusively warmed by electric heating (underfloor downstairs, wall-mounted upstairs). The heating system takes electricity as an input and provides heat as an output with no other direct benefits. As a whole the heating system can be quite power-hungry during cold periods.

A crypto mining rig takes electricity as an input and provides heat as an output with the possible benefit of creating some valuable digital assets. Serious crypto mining setups can be quite power-hungry.

Crypto mining for the sole purpose of making money is often considered an egregious and possibly wasteful use of power resources.

Is crypto mining for the purpose of using the heat to warm my house, with the possible benefit of generating valuable digital assets, similarly egregious, wasteful or inconsiderate in some way?

webignition commented on Why is the mouse cursor slightly tilted and not straight?   ux.stackexchange.com/ques... · Posted by u/wscourge
raffraffraff · 2 years ago
Without reading everything there is on the subject, I'd guess it's tilted for the same reason it's tilted to the left.

Humans are tool makers and tool users. After enough time the tool becomes an extension of the body, even if the tip of the tool is mechanically or virtually detached from the hand that is controlling it. The tool maker designed this as a right-handed tool, coming into the frame in the right hand.

If the reason for the tilt direction was not this, then there would be no reason why it shouldn't tilt the other way. If you're right handed, try a right-leading cursor . It doesn't just look wrong, it feels wrong because it looks like a tool held in the left hand.

Does this have an effect on left-handed people? Perhaps. I'm left handed and it always felt wrong to use the mouse in my left hand. Is it because of the direction of the tilt? Who knows!

webignition · 2 years ago
I'm left handed and have always used the mouse with my left hand.

The tilt on the cursor has never seemed odd or wrong or strange to me in any way.

I've been using computer mice in one way or another for more than 30 years and perhaps a lack of oddness comes from having so very much gotten used to it. Maybe newer left-handed mouse users would find the cursor tilt strange?

webignition commented on All arabica coffee is genetically similar: how can beans taste so different?   nature.com/articles/d4158... · Posted by u/mgl
hobo_mark · 2 years ago
All coffee and all wine tastes the same to me, can people really tell the difference or is it mostly an upper class pantomime?
webignition · 2 years ago
I work as a software developer but once trained as a barista when considering opening my own coffee shop. I can offer some fact-based reasoning as to how different coffees have the capacity to taste different (whether people have the capacity to discern the difference is another matter).

The dominant factors in the flavour of coffee comes from the preparation, both the roasting and the brewing.

Roasting reduces the acidity of the beans and draws out oils towards the outer surface. Both the acidity and oil content of the affect the flavour, with the acidity directly impacting bitterness and the oil impacting the smoothness.

The amount of total acidity contributors and oil contributors that are drawn out of the bean when brewing are a direct function of water temperature, water pressure and duration. Too low a temperature and the resulting drink is more akin to watery coffee dust. Too low a pressure and you get sort of the same results.

An ideal temperature and pressure combination, given a fixed duration (let's say 30 seconds) draws out enough of the oils to balance the acidity to get a good strength coffee (optimal bean to drink yield) that doesn't taste horrid. The acidity takes longer to draw out such that too long a duration results in a more bitter (and generally less acceptable) flavour.

That's a rough overview meant only to highlight that it certainly is possible, from both roasting and brewing, to significantly alter the flavour of coffee. I've oversimplified for brevity.

But can differently-grown beans of the same type affect flavour?

I don't grow coffee beans but I do grow tomatoes. From personal experience, the length of growing season, the amount of sunlight and the average temperature across the growing season affect the quality of the fruit. I find the same for sweetcorn, squash and many plants that grow above ground.

I don't think it is a stretch to suggest that the same factors have the capacity to impact the oil content of coffee beans if nothing else.

If growth conditions impact the oil content of the beans and the oil content of the resulting drink impacts the flavour, it seems plausible to suggest that the growth conditions can impact the flavour.

webignition commented on My daily driver is older than I thought; it's positively vintage   blog.jgc.org/2024/01/my-d... · Posted by u/jgrahamc
apantel · 2 years ago
Computers can last a long long time. I built a pair of dev computers in 2012 for about $2500 each, using one of the fastest CPU’s on CPU Benchmark that was also quite cheap (about $350 per CPU). I still use one of them as my main dev computer. Nothing has ever broken inside it, not even a fan. The original SSD raid setup is still in place. It works as well as it ever did. I don’t notice any issues when all of the different IDE’s and tools I need are open.

11 years of daily driving.

webignition · 2 years ago
My main dev machine is the same age and is similarly chugging along just fine. Cost £1400 in 2012.

It has no moving parts and I hoped this could lead to it lasting well beyond what I would normally expect.

Regardless of part wear, or the apparent lack thereof, it feels to me as performant as the day it was born.

webignition commented on Cache headers could probably be more aggressive   macarthur.me/posts/more-a... · Posted by u/skilled
hannob · 2 years ago
Is the idea here that saving the data from the cookies will speedup things, because requests become smaller? Or does it have some impact on caching or something else that I am not considering right now?

I would expect that unless you have exceptionally large cookies, the saved roundtrips from another TLS handshake matter more than the data transmission for the cookies.

webignition · 2 years ago
It's a security matter more than a performance matter, although improved performance is a nice side effect.

For assets served from a third party (a CDN), you don't want to send cookies that might include secrets (a session cookie that could allow access to a user's account for example).

You can trust that a third party won't intentionally log or make use of any sensitive information in cookies but you can't guarantee it. Best not to send it at all.

u/webignition

KarmaCake day353April 15, 2009
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