wolf550e

68 ms·

661.
by wolf550e 9y ago
The military cannot pay the salaries that are required to keep qualified people of certain professions/specialties. Surgeons and hackers, but also some other things too. so they must outsource to the private sector. But they certainly
662.
by wolf550e 9y ago
That optimization is useful to C and C++ code, they use "restrict": https://en.wikipedia.org/wiki/Restrict Does LLVM implement optimization that only Rust can use, or at least those that cannot be used from C
663.
by wolf550e 9y ago
Presumably, a traitor within the NSA or a contractor. See: https://medium.com/@thegrugq/the-great-cyber-game-commentary...
664.
by wolf550e 9y ago
But it's not patriotic to give NSA tools to the Russians, to hurt the ability of the NSA to spy on Russia.
665.
by wolf550e 9y ago
Wikipedia says [1] that ARM big.LITTLE "Heterogeneous Multi-Processing (HMP), which enables the use of all physical cores at the same time" has been "implemented in the Samsung Exynos starting with the Exynos 5 Octa series (5
666.
by wolf550e 9y ago
Robert Zubrin, founder of the Mars Society and author of "The Case for Mars" and "Mars Direct", has a Ph.D. in Nuclear Engineering. In his review of a different article on the same topic, he writes [1]: "On a Mars m
667.
by wolf550e 9y ago
UIUC has a strong and famous CS department: https://en.wikipedia.org/wiki/Department_of_Computer_Science...
668.
by wolf550e 9y ago
They used to coordinate security stuff on mozilla.dev.security.policy but they switched to blink-dev, maybe to indicate this is Chrome's/Google's position only. The first big use of blink-dev for security that I remember was
669.
by wolf550e 9y ago
Here are recommendations by experts for regular people (meaning people who can't run Qubes OS): https://techsolidarity.org/resources/basic_security.htm
670.
by wolf550e 9y ago
So basically, US DHS is as intelligent and technically competent as the woman who thought you hacked her instagram? https://daniel.haxx.se/blog/2016/01/19/subject-urgent-warnin...
671.
by wolf550e 9y ago
Yes, the apple magic keyboard with 15ms latency.
672.
by wolf550e 9y ago
AFAIK, there is no need to do "wear leveling" for reads, SSDs have "unlimited" life cycle reads. So the first SSD seeing ten times the reads will not make it fail sooner.
673.
by wolf550e 9y ago
But `s` is defined somehow, and it is not defined as a `uint32_t * ` (or else you would not need the cast). It is usually defined as `char * `. The memory being read is reachable by dereferencing `s`, a `char * `, and by dereferencing `(uin
674.
by wolf550e 9y ago
I think even if you happen to know that the address is always aligned, but the compiler can't tell that it's guaranteed to be always aligned, the compiler can miscompile the code. Even without autovectorization.
675.
by wolf550e 9y ago
Yes, I'm sure. Here is a blog post by one of the leading professors of undefined behavior about this: https://blog.regehr.org/archives/959 (edited to better blog post by same author)
676.
by wolf550e 9y ago
You have to use memcpy with length 4 to read that uint32_t from something that was a char pointer, those casts are not allowed anymore. On x86 it would become a single mov instruction.
677.
by wolf550e 9y ago
"memory access violations" are reading beyond allocated storage for a variable. You're not allowed to dereference or even reference locations outside storage allocated for variables, except one past the last item of an array
678.
by wolf550e 9y ago
There was a quota, like in the US in the 1930s. In the USSR, about 2% of population was Jews, so university was allowed to admit 2% Jews every year. But because of culture of education and desire to avoid conscription to Red Army[1] and non
679.
by wolf550e 9y ago
Salt won't save you. For checking most common passwords against stolen database, you try the top one million most common passwords against each hash, at a rate of 200,000 hashes per second. A dictionary-based attack that tries variants
680.
by wolf550e 9y ago
Nobody uses rainbow tables or cares to mitigate them. People care that GPU rigs get hundreds of billions of hashes-per-second[1] against a single-iteration salted hash. So all 8-char case-sensitive alphanumeric combinations can be checked i
681.
by wolf550e 9y ago
Yes to scrypt, but these days, Argon2[1] is the best. "better" means "cannot be calculated much faster on GPU or even FPGA because it requires a lot of RAM". "materially better" probably means "less than a
682.
by wolf550e 9y ago
Let's Encrypt use HSMs to sign, and more than 90% of signatures produced are for OCSP, not for issuance. Though I have failed to find the link for this, I saw them publish these numbers.
683.
by wolf550e 9y ago
`select count(star)` is fast only on non-transactional MyISAM storage engine which locks the whole table for a single writer and has no ACID support. It's not what people usually mean when they say they want an RDBMS. When ACID support
684.
by wolf550e 9y ago
"usually by relying on immense government subsidies" makes one think that Boeing and GM failed to do the engineering work that SpaceX and Tesla had done because they were somehow barred from some kind of government subsidy. But of
685.
by wolf550e 9y ago
What immense government subsidies did Tesla and SpaceX rely on? Tesla got a loan it paid back early and a $7k tax rebate per car for the first 200k cars which other car companies also got. SpaceX got a contract to build a rocket and capsule
686.
by wolf550e 9y ago
see the numbers in the reply here: https://forums.anandtech.com/threads/how-do-global-foundries...
687.
by wolf550e 9y ago
Wasn't the "baseball test" an accepted norm in journalism? "A reporter should not be assigned to cover subject X unless he has as good an understanding of X as a baseball writer is expected to have of baseball."[1]
688.
by wolf550e 9y ago
dupe
689.
by wolf550e 9y ago
Red Dragon is cancelled, but watch Elon's update[1] on September 29th for the Mars plan. There should be a good discussion thread on reddit.com/r/spacex/ if you don't want to watch the Livestream. 1 - http:/&#
690.
by wolf550e 9y ago
for whoever downvoted 'pjc50: https://en.wikipedia.org/wiki/The_Nine_Billion_Names_of_God

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