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Comment: Re:Left or Right? (Score 1) 473

by Kalium70 (#47709535) Attached to: Google's Driverless Cars Capable of Exceeding Speed Limit

In many US states, the speed limits are not maximum legal speeds. Instead the posted speed limited are prima facie speed limits -- limits that are presumed to be maximum reasonable speed. In Texas, where most speed limits are prima facie speed limits, drivers can challenge speeding tickets on this basis, and they do sometimes win. Most people do not do this because it requires someone with legal expertise in this area. The general rule for setting speed limits is that a traffic study is performed, and the speed limit is set at the 85th percentile of measured vehicle speeds. The assumption is that 15% of the drivers will always drive too fast. http://www.txdot.gov/governmen....

Comment: Compliance With Standards (Score 1) 164

Yes, we need a C++ ISO standard to make sure that all the compilers comply with C++11. Oh wait, Microsoft still can't figure out how to support C++11 fully. The MSDN blog cites "resource constraints" as the problem. How that fits in with laying off 18,000 employees, I'm not sure.

Comment: Re:Why ODF? (Score 2) 164

Many people work in situations where they must exchange documents with other people (inside or outside the company). When a document looks vastly different in LibreOffice compared to MS Office, that is a problem. At a previous job, I had to use Word on Windows -- Word on Mac was not enough -- when dealing with files containing MathType equations.

Comment: Re:No and here's why... (Score 1) 381

by Kalium70 (#47440929) Attached to: Slashdot Asks: Do You Want a Smart Watch?

Or multifocal contact lenses. They're even better than bifocal glasses. Unlike bifocals, you don't have to make any effort. The lenses just provide a good combination of near and distance vision. The design I'm wearing is "center near," with more distance correction toward the edges, but you can't tell that there are areas of different correction when wearing them. Somehow the eyes and brain sort it out.

Comment: Re:19,000 (Score 1) 401

by Kalium70 (#47396641) Attached to: No Shortage In Tech Workers, Advocacy Groups Say

The real problem here is that we simply do not need as many workers in the US as we used to, when adjusted for population growth. Many positions have been eliminated because of new inventions and technology, and we are not creating enough new jobs to take their place. The displaced workers are supposed to be able to support themselves, but there simply are not enough jobs. Consider this: Even if every job opening were filled with an unemployed person, two thirds of the unemployed would still be jobless.

Comment: Incriminating Statement As Part of Password (Score 1) 560

by Kalium70 (#47329805) Attached to: Mass. Supreme Court Says Defendant Can Be Compelled To Decrypt Data

What happens if the password itself purposefully includes a self-incriminating statement? The defendant cannot give away the password without making a self-incriminating statement. Of course, to make that point, the defendant gives partial knowledge about the password, which would make it more feasible to break.

Comment: Re:Average SD article containing TM unclear ABR in (Score 1) 293

by Kalium70 (#47246043) Attached to: Average HS Student Given Little Chance of AP CS Success

Many high schools give higher grade points to course designated as AP, IB, etc. For example an A in an AP course might be worth 5 grade points instead of usual 4. Similarly a B in an AP course might yield 4, and so forth. That was the case at the high schools where I taught.

Scoring a 4 or 5 on the AP test does not automatically result in receiving college credit for a course. Each college has its own policies regarding what scores are acceptable to receive course credit, fees for petitioning for course credit, the actual course(s) for which credit will be given (which may vary based on the score), and how the credit will appear on the transcript.

Comment: Re:Let gay men donate (Score 1) 172

by Kalium70 (#47227879) Attached to: Human Blood Substitute Could Help Meet Donor Blood Shortfall

The American Red Cross actually favors allowing men who have had sex with men to donate after a 12 month deferral. It's the FDA that has insisted on the lifetime ban. The guidelines appear somewhat arbitrary, seemingly based on some late-1970s conception of which groups are "bad people."

Consider John, who traded blow-jobs one time with his college friend in 1978, but since then has been in a monogamous relationship to a woman. The male/male sex was 36 years ago, but John is forever barred from donating blood. Now compare John to Mary: Mary traveled a lot on business, and it took her a while to realize that her husband was having anonymous, unprotected anal sex with men. It's been a little over a year since Mary last had sex with her (now ex-) husband, so she's free to donate.

Then there's the whole issue that it's all on the honor system...

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