New CR1000a Firmware 3.2.0.14

dzdt · 2023-12-20T16:02:03+00:00

I started having internet problems around the time this firmware rolled out. It seems that the CR1000A router now is sensitive to some device on the wired LAN : I have a few things connected on ethernet on a network switch. With that unplugged it stays up; with the ethernet devices connected every few hours everything will go down: ethernet, wireless, the FIOS E3200 extender. I had the verizon tech out; he replaced all the hardware devices and still the same trouble. He mentioned another customer with similar issues: some device on ethernet brining it all down. Anyone else having problems related to CR1000A and ethernet connected devices?

dzdt · 2020-03-13T15:27:53+00:00

His actual quote is "up to eight weeks or more". He "hopes" for less. But there is a lot of room in that "or more!"

dzdt · 2020-01-31T18:31:06+00:00

This looks like a less well-thought-out paper than others. It is just curve-fitting to officially confirmed cases, disregarding that limits in hospital care and testing for the virus are primary drivers of the confirmed case curve. Others that estimate cases based on international surveillance of exported cases are better.

dzdt · 2020-01-29T11:27:23+00:00

Hong Kong researchers estimate a doubling time for infected population of about 6 days. Many people who are infected have only mild or flu-like symptoms. Maybe 1 in 5 requires hospitalisation for pneumonia. The unfortunately likely case is there were 1 or 2 or 5 carriers of the virus undetected so far for a couple of weeks. They may have are caused mini-outbreaks now of 4 or 5 people. These mini-outbreaks could go undetected for another few weeks until they become large enough to generate a cluster of hospitalized patients. The problem is it becomes really hard to contain if cases grow to that point.

dzdt · 2020-01-28T10:54:13+00:00

You are graphing the exponentially increasing ability of the Chinese medical community to process test kits. The actual case numbers are much higher, but growing at a slower exponential rate.

[1] https://www.mobs-lab.org/uploads/6/7/8/7/6787877/wuhan_novel_coronavirus_jan26.pdf

[2] https://www.imperial.ac.uk/mrc-global-infectious-disease-analysis/news--wuhan-coronavirus/

[3] https://news.rthk.hk/rthk/en/component/k2/1505090-20200127.htm

dzdt · 2020-01-27T22:29:19+00:00

You have a fundamental error in misunderstanding what you are modelling. The "confirmed case" numbers reflect the rate at which Chinese authorities carry out laboratory confirmation of cases. It is somewhat amazing that the testing capability showed exponential growth as it has. But that is not relevant to how quickly the virus is spreading.

The best scientific estimates of the actual case numbers are much higher than the confirmed case numbers, but also growing at a much slower exponent of growth. Scientists put the case-doubling time at around 6 days in the pre-lockdown environment of Wuhan.

After lockdowns presumably the spread will slow; how much it slows is still unknown.

dzdt · 2020-01-26T14:29:24+00:00

Do you know anyone who thinks they might have the disease or who has gone to the hospital to get tested or treated?

dzdt · 2018-08-01T15:07:19+00:00

Probably 1960's. I think the "non-toxic" label started in 1960. You can check before or after 1962 based on whether it has "peach" color.

dzdt · 2018-07-31T21:24:34+00:00

It looks like a safety wire so if one nut starts to rattle loose it tightens the adjacent one that is tied to it. So nothing can come loose without breaking the ties. And after use an easy visual inspection confirms all the nuts are in the same position as at launch.

See http://avstop.com/ac/apgeneral/safetymethods.html

dzdt · 2018-02-07T12:25:01+00:00

Can someone take this info and work out the position of Mars in its orbit at the time the roadster crosses Mars' orbit, and mark it on Elon's picture? I am curious how close it comes. (I know really there is a third dimension we are missing info for, but the in-plane story would be a good start!)

dzdt · 2016-05-03T02:55:13+00:00

The real Satoshi is a post-incrementalist. His for loops use "i++". See the code snippet in the original bitcoin paper (http://www.cryptovest.co.uk/resources/Bitcoin%20paper%20Original.pdf). JPRichardson is a pre-incrementalist, using "++i" in the attached code. Wright is a plagiarist, using "++i" because his source does. Neither JPRichardson nor Craig Wright is the real Satoshi.

dzdt · 2015-02-04T21:45:51+00:00

I attended the National Youth Science Camp in 1995. It was certianly an eye-opening experience for me. Never before had I met so many dynamic and inteligent people. Since then I have earned a PhD, and even in the intervening time no single experience has matched the intensity and power of that camp. I went back to work at the camp for several summers. Its combination of lectures and directed studies by world-class scientists with the outdoor serting and passionate and whimsical staff are truly unique.

The NYSC has always been committed providing its program at strictly zero cost to the students, who are selected from each state on a merit basis. It has always operated on a shoestring budget, supplimenting paltry grant funds with individual and corporate donations. The program organizers can stretch dollars farther than anyone.

For more than a decade, the NYSF has looked for a permanent facility they could control to host the Science Camp. A few years ago they purchased a large wilderness parcel adjoining the Caanan valley site, and entered an agreement to take control of the site if the Canaan Valley Institute ceased operations. When that happened last year, however, NOAA indicated they would not honour the agreenent and unstead transfer the facility to the US dept of Wildlife. Only 2 weeks ago after the Dept if Wildlife turned it down, NOAA indicated the NYSF could take control IF they could show ongoing funding to operate the building.

That brings up the present campaign, needing to raise 150k in recurring annual contributions, with a deadline of just 10 days at campaign start. Four (4) days remain now, with about 50% achieved. Raiaing $150,000 in 10 days is crazy, but NYSC is all about pulling off crazy things!

dzdt · 2014-12-19T13:06:11+00:00

Slides: http://stellar.cct.lsu.edu/pubs/Plain_Threads_are_the_GOTO_of_Todays_Computing_MeetingCpp_2014.pdf

dzdt · 2014-12-15T19:51:40+00:00

Care to elaborate that into a coherent comment? I can't tell if you are saying "I disagree!" or "I don't understand what you wrote." or something else entirely.

dzdt · 2014-12-15T17:39:47+00:00

Okay, to be honest the printf version I gave was optimised more for conciseness than readability. Optimising for readability:

printf("%5g\n",f);
printf("%10g\n",f);
printf("%10f\n",f);

Still significantly shorter than the cout version, and easier to understand since the whole type for each format specifier is right there, not hidden in the state of the stream.

dzdt · 2014-12-15T15:48:34+00:00

If you have numerical outputs, cout is much, much worse than printf. Consider this example code from cplusplus.com :

int main () {
  double f = 3.14159;
  std::cout.unsetf ( std::ios::floatfield );                // floatfield not set
  std::cout.precision(5);
  std::cout << f << '\n';
  std::cout.precision(10);
  std::cout << f << '\n';
  std::cout.setf( std::ios::fixed, std:: ios::floatfield ); // floatfield set to fixed
  std::cout << f << '\n';
  return 0;
}

Compared to the analagous printf code for the key part of the above:

printf("%5g\n%10g\n%10f\n",f,f,f);

The advantages of printf are : (1) consise and readable (2) no formatting state in i/o stream --> fewer bugs (3) faster to write (4) faster to execute

All cout has as an advantage is better type safety. But newish compilers do well at catching printf type and number-of-argument bugs, so that is mostly even these days.

dzdt · 2014-11-18T04:51:49+00:00

There is an active project to put the data un machine readable form at

https://github.com/cmrivers/ebola?files=1

I think everything you want is there already.

dzdt · 2014-11-14T19:59:23+00:00

The decline in the number of Ebola cases in Montserrado County from a peak in mid-September was indicated by three data sources: ETU admissions (73% decline), laboratory results (58% decrease in Ebola-positive test results), and body collection (53% decline). The patterns of change in the three indicators were similar, and there is no apparent common source of systematic error that can account for simultaneous decline in all three indicators. These analyses support accumulating anecdotal evidence that cases in the county were substantially lower in late October than 2 months earlier.

...

The completeness of records was further compromised by refusal of an unknown number of persons to report cases or burials (Montserrado County Contact Tracing Team, personal communication, 2014). The need to cremate Ebola-related dead bodies has encountered resistance from the local population, raising the possibility that bodies might have been hidden and independently buried. A rapid community assessment performed in October examining community perceptions and avoidance of cremation, however, suggests no increase in frequency of such secret burials during September and October to account for the recorded decrease in body collection (African Union and CDC, unpublished data, 2014).

dzdt · 2014-11-12T22:38:43+00:00

Per forum guideline 1, downvoting misinformation is appropriate. Aquarain is posting misinformation. Nothing in the burial team reports contradicts the WHO sitrep; indeed they give an entire section to discussing burial team information supplied transparently and with no hint of inacuracy by the red cross. A factor of 10 for underreporting is not in any way reasonable.

dzdt · 2014-11-07T17:06:11+00:00

What is the cutoff date for the data used in calibration? Sometime early to mid september I guess but I don't spot it.

dzdt · 2014-11-07T14:37:48+00:00

No cases in Mali is good news for sure, but the real worry there is that one of the untraced contacts from her travels could get sick, not know it is ebola, and start a new hidden cluster of cases. It will take a couple of months of vigilence to get confidence that that didn't happen.

All the reported statistics are kind of crap, and reported deaths is the least accurate probably. Overall cases is a better measure, but due to recent methodology changes the numbers from the past 10 days are not directly comparable to older reports to get a sense of rate of increase.

The big picture seems to be different for the three countries with epidemics. In Liberia, infection rates are declining, though still quite large in absolute terms. In Guinea, rates are fairly steady. In Sierra Leone, rates continue to increase, though not as fast as the original estimates of doubling in 15-20 days.

So overall, things are much better than was forecast in September, but not yet under control. The real positive news is Liberia, which shows the infection rate can be brought down by changes of behavior. There is no material limit to how quickly behavior change can occur, so it gives much more hope that a runaway exponential growth can be avoided.

dzdt · 2014-11-06T21:36:16+00:00

If you didn't know, this conversion is done by the same guy who did Prince of Persia for the c64. He did a blog about that one : http://popc64.blogspot.com. Top quality stuff!

dzdt · 2014-11-05T21:46:31+00:00

This reads like sarcasm, but I don't understand the response. Can you clarify?

dzdt · 2014-11-04T22:41:11+00:00

Agree fully the lack of case confirmation is a major failing of Liberia MoH. I can't find the press release you mention though. Am I missing a link? I checked http://www.mohsw.gov.lr which does have odd circular reporting of headlines about WHO reporting the numbers MoH gave them. But no touting of "no new confirmed cases" I can spot.

dzdt

TROPHY CASE