dexen

51 ms·

421.
by dexen 7y ago
>hardline views on security The only hardline view on security you'll encounter in the wild is "security is practical in our computational environments"[1]. Only half-joking here. My reading of Theo's quote is merel
422.
by dexen 7y ago
End-user security, in web browser context: do I understand it correctly that if my browser was to only ever execute JavaScipt in bytecode format (without compilation to native code) it would be safe from those kinds of exploits? Presuming t
423.
by dexen 7y ago
Here's the full Theo de Raadt quote from 2007 [1]: """> Virtualization seems to have a lot of security benefits. You've been smoking something really mind altering, and I think you should share it. x86 virtualiza
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by dexen 7y ago
Yes, it is ethical to put military research to the best use we can. Whether logistical systems, trauma medicine, personal weapons, or encryption, all those improve our efficiency, our safety, our leisure, and our privacy. Wars aside, the mi
425.
by dexen 7y ago
It's a fine sentiment. Tor is another good example of innovation ran by the (US) Navy. Which is to be expected, as navies traditionally were big into crypto. The military has long history of both doing their own research (logistics &am
426.
by dexen 7y ago
>a racist message board >a wellspring of racism, violence, and criminal activity online and in the physical world The irony of this being posted on Twitter is not lost on me. Twitter, the site where bullying, racism, illegal content
427.
by dexen 7y ago
>> much more space is wasted on column (field) alignment in records >Hmmm... I don't think there is much alignment going on within the data pages. Depending on the RDBM engine, the atom fields (INTs, FLOATs, etc.) in storage
428.
by dexen 7y ago
>>OTOH, storage for binary UUID representation is just 16 bytes. >Times number of rows Still merely twice as much as typical int64 PK, which isn't terrible. Meanwhile - unless the programmer has been exceedingly careful - mu
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by dexen 7y ago
You raise valid points, but there's a hidden cost: if you decide to use slugs for URLs, or any identifier other than the Primary Key, you need to perform one extra step of mapping. Either one extra round-trip to the DB, or one extra jo
430.
by dexen 7y ago
>As far as I know, no database has ever had any of the problems he mentions with IDs not round-tripping properly during backup/restore. Don't know of any such either. Typical SQLite, MySQL, or PostgerSQL dump/backup is j
431.
by dexen 7y ago
>where concise sequential identifiers are an advantage For example, certain kinds of attacks are helped with sequential IDs. Wasn't there an AT&T "hack" where the attackers iterated URLs over sequential account numbe
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by dexen 7y ago
Good question, and the answer is a resounding "consider more attributes". You should take into consideration the (sustained) top speed, and acceleration (for electrics, that tends to range from great to decent for 0...60, but fall
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by dexen 7y ago
>it won't be long before the other payment processors follow the market leader Fortunately this goes both ways: On one hand, other payment processors will be able to squeeze even more revenue out of the sellers (or buyers). On the
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by dexen 7y ago
>slowly leech heat out of your planet It's a gloomy scenario, but we wouldn't run out of the energy too quickly: >Nearly half of the Earth's heat comes from the radioactive decay of materials inside [1] [1] https:&#x
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by dexen 7y ago
Any sufficiently advanced technology is indistinguishable from magic. -- Arthur Clarke An advanced civilization (Type II on Kardashev scale, i.e, able to harvest their sun's energy output), having built a Dyson
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by dexen 7y ago
Jet & turbine engines provide abundant horsepower at the tailpipe[1]. A cursory search suggests typical jet fighter has one or two electric generators in 70...90kVA range that tap power off of the turbines' shaft - mostly meant to
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by dexen 7y ago
Intelligence comes with its own particular blindspots. A person convinced of own intelligence is likely to follow a novel approach that is logical even if it goes against "widely established practices". I think we can easily name
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by dexen 7y ago
>Unless you're proposing we print money Yes of course; with a quarterly growth GDP currently around 3%[1], we should and indeed do "print" money at related rate. (again, with the assumption we're discussing USA here
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by dexen 7y ago
>The problem is that one "tribe"'s material conditions are at the expense of the others. This presumes a closed system, and the assumption is demonstrably false in at least two ways. With an open system, you can conceiva
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by dexen 7y ago
>I wish I could downvote this 100 times There's a reason we don't give people more voting power in politics, economics, etc., based on the strength of their convictions. If you want to have people follow proposals and program
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by dexen 7y ago
>but that's also all a plane needs to do Quite the opposite, there are common scenarios when the plane needs to deviate from pre-programmed course or otherwise can't rely just on an autopilot . All of them are handled either
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by dexen 7y ago
>Articles published in renowned journals and based on sound research or... You are asking objective trustworthiness here. People's perceptions are more complex. On one hand we can't reliably know the objective trustworthiness
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by dexen 7y ago
Cheer up, outside of SV & academia, it's not all that much contentious anymore. People moved on, we are dealing with issues that we consider timely and well sourced. In my estimation, the 2017 was the high watermark of climate chan
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by dexen 8y ago
>They encompass every feature in the product That's not a given. It's plenty common to have the most often used features (say, sub-pages, or key processes) optimized the best, with the rarely used ones lingering at low optimi
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by dexen 8y ago
This is a fine point. And yet both FB and Twitter managed to go through long period of servers being overloaded and fail-prone, to the point of frequent outages - cue the Fail Whale[1] - relatively unscathed, and emerge victorious. In the e
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by dexen 8y ago
Please don't take the following as personal slight. Not sure if it's a joke or long term project... because the descriptions, while perfectly true, feel a bit like snark and sneer. "CGI: We are the original pranksters",
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by dexen 8y ago
To push back a bit, without going into the abstract of portability: - performance is a feature - reliability is a feature - security is a feature - and lastly, cost-effectiveness is a feature If the app is to be used through wide range of r
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by dexen 8y ago
True, but IIRC it's more of eliminating competition or maybe even a blood sport; sharks aren't major part of their diet[1]. Would make sense given that heavy metals and other toxins bio-accumulate up the food chain. I posit the hi
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by dexen 8y ago
>the employer Yes, the singular employer. In reality, there are many employers, all willing to out-bid each other in a race to the top. Lack of competition among employers has a tendency to let labor buyers to supply as low wages as they
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by dexen 8y ago
The keywords are "push" - as in, applying cultural pressure - and "require" - as in, "[work in academia] will pretty much require them to put off kids until their late 30s, if ever". Presenting choices and open

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