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memetomancer commented on Ask HN: Is the market bad, or am I having the worst luck job hunting?    · Posted by u/imadkhan
benreesman · 3 years ago
I was hired at L5 at Meta in 2011, they’ve done a pretty good job at keeping the bar high but it’s mathematically impossible for it to stay at 2011 levels on multi order of magnitude growth.

Back when I was even bothering in Jan/Feb it was me and 20 other L8s interviewing for the same L6 opening. It’s a coin toss at that point.

Price discovery is not functioning at the moment, there are plenty of theories why.

But high-end tech hiring is a slot machine and will be until monetary policy lets the bond market stabilize a bit.

memetomancer · 3 years ago
Your comment is almost completely incomprehensible to me, as someone that doesn't work in the Meta context...

I take it being an L5 is a good thing? but just six months ago you were an L8, and competition to become an L6 was a coin toss? No idea what 'price discovery' could mean in this situation, other than a fairly weird way to say 'salary range'? And any of this having to do with 'the bond market' is just baffling!

The reason I bring it up is that I'm genuinely curious what life is like in other corners of the tech world. Any way you could translate the above into non-Meta terms?

Deleted Comment

memetomancer commented on Google engineers want to make ad-blocking (near) impossible   stackdiary.com/web-enviro... · Posted by u/pabs3
usrbinbash · 3 years ago
This is very simple, really:

Any browser that implements this, I will not use.

So any webpage that requires that API to be present, I will not be able to use. If your webpage requires this, I will not be a user of your website.

It is really that simple.

memetomancer · 3 years ago
Sounds great in theory but I'd suspect that you'd cave pretty soon after your bank adopts this (or whatever essential site/service you aren't considering is captured here).
memetomancer commented on A surprisingly simple way to foil car thieves   news.umich.edu/a-surprisi... · Posted by u/giuliomagnifico
pavon · 3 years ago
There is zero novel research here, and the entire purpose of the 1.2 million dollar grant was research. All the value you are mentioning is related to bringing a product to market, which is something that the grant did not require and universities don't usually follow through. Most of the time transition to industry happens is when there are motivated companies who do all the work to bring the device to market, but need university patent licenses and expertise to do so. This would be a great senior project, but it is a complete waste of money for a cyber security grant.
memetomancer · 3 years ago
I disagree: the device monitors battery fluctuations to 'authenticate' the driver. the fluctuations need to be a specific pattern - delivered either by a device plugged into the 12v accessory port, or by some specific pattern of driver behavior, such as quickly flashing lights, activating wipers, etc. This is indeed a novel approach.

And it is a fair sight more involved than a simple kill switch, by the look of things. The research aspect comes from exploring the practicality of such an approach. This exploration requires prototypes, test beds and investigators.

Who's really to say what the results of the research will be, at this point? In my opinion, I think smart phones and NFC are probably the way to go... but I'm not going to hop on the internet and make scornful remarks until I know more. I'm not sure why you have done so?

memetomancer commented on A surprisingly simple way to foil car thieves   news.umich.edu/a-surprisi... · Posted by u/giuliomagnifico
K0balt · 3 years ago
1.2 million grant for this?

Now I’ve seen grift, but come on. I want to hire their grant writer.

Literally a relay in the starter lead. This looks like one of my afternoon projects, and I’m not even joking. I have a 1990s montero diesel and it leaks power, and I often forget to disconnect the terminal.

So I bought a relay from AliExpress (same one shown in this photo but one size up) and hooked it up with an esp32 and some discrete components.

It senses my phones Bluetooth radio and energises the relay if I turn the key on when I’m within a few feet, as well as any other Bluetooth radios I authenticate.

I can also just turn on the wipers momentarily and it will latch the relay. If the vehicle is not running, the relay unlatches in 15 minutes.

That way I can basically forget that it exists, problem solved. It has been working flawlessly for two years now. The whole thing took me about 3 hours to put on strip board and program, another half hour to enclose and mount it.

Give me an hour more in micropython and I could make it require a passcode entered on your phone with a secret wiper switch sequence as a backup. If I threw a five dollar Hall effect current sensor (as shown in their project) it could require a whole dog and pony show of switch activations to unlock it. Adjusting it to different vehicles would be a one- time calibration sequence like I use for my water flow meters.

I guess I should have applied for a grant.

memetomancer · 3 years ago
This is a frustrating yet common sort of take. Yes, this is simple, as the article clearly points out. Yes it is obvious in retrospect. But did you do anything with your brilliant work besides bodge your terrible car a few more miles down the road?

There is value to developing the entire system... to ensuring the keypad mechanism is reasonably robust and tamper proof. There is value to understanding the vehicle as a system and reasoning out this defense strategy. There will be value in preliminary productization of something this for mass production, especially as regards the use of that terrible 12v power port and providing the 'fingerprint' in a safe range of voltage fluctuations to avoid catastrophic and probably non-obvious failure modes. There will likely be D.O.T. paperwork, and UL listing.

$1.2 million is probably a bit meager to truly develop something like this.

Yes, you can hobble some crap together on your Montero. Congratulation. Hardly a solid foundation to speak ill of this team doing something genuinely productive.

memetomancer commented on Simple Unix Chat   the-dam.org/docs/explanat... · Posted by u/thm
jcynix · 3 years ago
I'm not the one who posed the question. And: file, filename, inode, ...? What's what and what's exactly to be counted?
memetomancer · 3 years ago
the inode is the important thing when all is said and done. It is flexible in that it can contain all the metadata needed to present a file to a process. Sometimes that metadata is a list of blocks in the filesystem. sometimes it points to another inode.

I think of it like an old-timey 'card catalog'. You have a bunch of tiny drawers filled with cards. Some of the cards are big and blank spacers with a prominent tab sticking above the normal top edges (Directory). Sometimes you have a card that points to another card elsewhere in the catalog (link). Sometimes you find the details of a specific book on a specific shelf (block data).

Point is, they are all cards. The comment essentially asked for a command to say 'how many cards between these two spacers'. It's a "trick" question as old as usenet to spring the distinction between link inodes and list of blocks inodes and say "Ah-HAH!! gotcha", but in reality it's a silly game of jumping levels, misdirecting semantics and prey upon the distribution of understanding in a forum for personal glory.

The inode is the item, it is the card that is being counted, no matter what is printed on it. imho.

memetomancer commented on Simple Unix Chat   the-dam.org/docs/explanat... · Posted by u/thm
chias · 3 years ago
In general, composing Unix commands is a very powerful means to construct complex applications... poorly, with no real pathways to fixing their shortcomings. I believe the traditional "Unix Way" is to gloss over said shortcomings and pretend they don't exist, and when that fails, move the goalposts and argue that they don't exist "in the real world".

For example, what combination of shell commands can I use to output the number of files in a directory?

Hint: it's a trick question, you can't.

memetomancer · 3 years ago
|For example, what combination of shell commands can I use to output the number of files in a directory? Hint: it probably isn't what you think it is, if it's even possible.

`find . -type f | wc -l`

memetomancer commented on Simple Unix Chat   the-dam.org/docs/explanat... · Posted by u/thm
memetomancer · 3 years ago
I'm immediately reminded of "Master Foo and the Ten Thousand Lines":

http://catb.org/~esr/writings/unix-koans/ten-thousand.html

Master Foo once said to a visiting programmer: “There is more Unix-nature in one line of shell script than there is in ten thousand lines of C.”

memetomancer commented on Goodreads has no incentive to be good   countercraft.substack.com... · Posted by u/lawgimenez
pc86 · 3 years ago
My biggest complaint about Twitter is that the spam has gotten worse in the last year or so. I get 2-3 spam DMs a day, and probably once every week or two I go through and report all of them but it's never-ending.

IMO the people who left Twitter (and haven't come back) were worse than anyone who's on it now. There hasn't been any meaningful change in discourse - for better or worse - that I've noticed.

memetomancer · 3 years ago
| worse than anyone who's on it now.

Bold claim about a site that is, in the last year or so, pivoted to explicit and quite public encouragement of Nazi/racist viewpoints.

memetomancer commented on Reddit.com appears to be having an outage    · Posted by u/albert_e
memetomancer · 3 years ago
So... I visited Reddit before coming here and finding the HN thread...

Most of the site is rebelling, but I took the time to visit, intending to give them impressions, just to see how they are holding up. And of course they aren't really holding up as we can see.

But their handling is unbelievably tone deaf - I was greeted by the message that I broke Reddit. They gave me the grade of 'F'. I refreshed the page and they showed me a cartoon corpse.

I get that it's a tongue-in-cheek leftover from happier times, but considering the circumstances it sure came off as hostility aimed at the few people willing to give them a chance on this dark day.

I mean, I was really just rubbernecking... so maybe i deserved it for my schadenfreude, but still. It is casual hostility directed at the source of their user generated content. It's not in good taste. But I suspect it would never occur to the entitled mindset of their leadership.

u/memetomancer

KarmaCake day635October 6, 2016
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