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Comment Re: FUD (Score 1) 21

This is a valid question, but I don't think the Chromecast supports wifi-direct (p2p) at all. The only system that I know of that actually uses p2p WiFi is the Nvidia Shield controller, and Nvidia doesn't use Realtek wifi chips. I would be very interested in a case where Realtek is actually routinely used in P2P mode.

Comment Re:In case somebody wants a solution for the puzzl (Score 1) 263

Another similar solution is to use the fact that the sum of the first n integers is n(n+1)/2 . So you can take the whole sum and subtract off n(n+1)/2 from the total.

Here's a fun problem: Suppose that the you have n+1 integers and you don't have any guarantee that they are from 1 to n, just some set of n integers, and there's a single duplicate, can you still find a linear time algorithm to find the duplicate? (The answer is yes.)

A hash table is what first comes to mind.

Comment 24 hours heads up? (Score 1, Interesting) 195

Such a quick turnaround between private and public disclosure means one of two things.

First possibility: They're not interested in responsible disclosure. Likely. As others have pointed out, they get more noise for their findings this way.

Second possibility: They know these vulnerabilities are being actively exploited. Not as likely, but a real possibility, and way more worrying.

Comment No, it's getting easier to use a computer (Score 4, Informative) 408

They are on to something, but have it *completely* backwards. Learning to code has never been easier. At the same time, using a computer has become much much easier as well. Part of the barrier to entry of older computers was the need to know something about the computer. That barrier to entry has been removed, and people aren't learning about the machines they're using.

I don't know what the answer is. It doesn't seem correct to intentionally make computers harder to use. Perhaps moving away from the mindset that a computer is an appliance *looks at Apple significantly* would be a decent place to start.

Comment Re:Raspberry Pi (Score 2) 134

great as far as it goes

but the video binary blob is closed source
so are other parts.

So there is closed firmware for the wifi and potentially video chips, yes. There is an open source video driver now, that works fairly well.

So if you take the Fedora/kernel view of things, totally open source friendly. If you take the libreboot/FSF/Purism Librem, then yeah, not what you want.

Comment Re:Time for OpenWRT? (Score 5, Informative) 147

I tried OpenWRT on a cheap TP-LINK wifi router. While the feature set was impressive, it could barely manage 1/3 the throughput of the stock firmware.

This is absolutely accurate. The reason is that the stock firmware enables hardware accelerated NAT in the switch chip. This isn't yet supported in the Linux kernel, so no support in Openwrt.

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