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December 30, 2019 at 4:10 pm in reply to: Read First if flying on a Boeing 737 Max–or maybe not! #39213
The German ‘Chaos Computer Club’ are renowned for publishing articles that embarrass large companies that cut corners or ignore safety/security. In this one hour presentation they turn their spotlight on the 737Max. This is an extremely detailed presentation by an experienced flight safety engineer.
Needless to say it is a very damning report. The more you fight the (Boeing) flight control system the more it tries to kill you!
They may give you an anaesthetic drip in the arm just in case they need to pass the probe through your heart. Nothing to be concerned about as the team has done it many times before. However anaesthetic and food are rarely a good mixture hence nil by mouth.
Instead I spent what seemed a lot of time watching the young technician/surgeon who’s job was ‘flying’ the probe around my arteries by looking at two screens (xy + xz I think) and mentally translating their two outputs into 3D. I asked him if he was good at computer games and he said it helped!
It has all probably moved on a bit in 14 years as I thought it pretty crude graphics technology even for that time.
Although as Dave says, you will know what a big-un feels like, I still have difficulty with discriminating between a chronic indigestion caused by GERD and the lead-in to a major heart attack – hence my over usage of nitro spray as a testing agent.
I discussed this issue with my GP and to my surprise she recommended either I get one of the newer Apple Watches that have EKG monitoring or a stand-alone Android add-on such as Kardia (there are others such as the Withings watch). Apparently the group practice had been running some unofficial tests on whether such monitoring caught heart attacks/strokes at an early enough stage to be useful. While it did not catch all such problems they felt that despite the false positives/negatives it was still useful enough to pass on the information to anyone who specifically asked. (I guess they would have had problems with the GMC if they just gave out local test info without being asked).
[edit] btw the Kardia instructions are a bit pants. It is important to position the ‘arrow’ on the Kardia close to the microphone opening on the phone. If you do not do this it will just show a poor signal when being used.
All the very best Graham, as Dave says stents are a relatively safe and painless fix, but I read that by-pass surgery is coming back in vogue as a better long term fix.
Apart from having a positive attitude, the most important bit is to get on any follow-up physiotherapy courses your Health area runs. They seem to be a fairly standard post-op procedure in many authorities, and not only give diet advice, they also give you a chance to try out modern gym equipment and enable you to find what suits. Instead of spending £250+/year on gym subs I figured I had enough self discipline and bought a recumbent exercise bike which I have now used for 30-40 minutes each evening for the last 14 years. (Would have preferred a Cross Trainer but it disagreed with my hernia!). The modern bikes can often be linked with an Android/Apple pad and give you both feedback and incentives to safely raise your heart rate – pretty much what a personal trainer would do.
I have a cheap and cheerful cable tester, but I have not figured out a way of seeing WHICH end of the cable needs to be cut off and redone. I guess a new set of eyes would help!
Just of interest, using the pass-through type is it possible to test individual wire continuity to get a better idea that (say) brown has crossed with brown stripe on one end? I could see that being helpful to identify which end of a long cable is stuffed, or if there is a cable break.
The yellow tobacco pouch/thing? Only because it is at a slightly odd angle.
+1 to all the answers. I think that you have to sit back and examine the causes of your dissatisfaction.
My usage pattern is perhaps somewhat similar to your own but my Ryzen is one of the earlier ones with less cores and core speed. Despite that I would say that there has only been one situation where the CPU has pinched, but the GPU pinched very early and I know I could get advantages from upgrading that. I would recommend that you look at AMD’s new range of workstation graphics cards, although these are fairly ordinary gaming GPUs they are optimised for Blender operations, (they are also seriously expensive!) The other area that I have problems with are on the i/o bus as that definitely pinches and could probably warrant my looking at ways of adding more bus capability.
Bottom line, I suggest that you add some monitoring programs and find out where the choke points are for your personal modus operandi.
Sorry I cannot help, but I’d be interested if it works!
I’ve had a couple of cases where I’m wiring up a 30m length and in all cases it has been an exercise in frustration as I am never 100% sure which end is stuffed up.
PS – High swoppiness is basically a server setting, low swoppiness is single user few tasks, and lowest for both single user and SSD (you want to minimise SSD swapping if possible).
I hope everyone had a great Christmas and that the New Year brings all you hope for.
Christmas is always nice and quite as tomorrow all the children descend on us to collect their loot and for the older ones to drink the booze and pig out on a rib roast. As a result I have spent most of today repairing my wife’s collection of musical Santas. (I dunno why I do it as the noise is a bleeding cacophony of numerous Chinese interpretations of random carols and Christmassy songs.)
A lower swoppiness MAY help as it reduces load on the i/o bus. This can be important if the swap file/paging file sits on a slow device such as the SD card or a USB.
You may recollect when Bruce used to tout putting Linux on a stick that it was fairly dog-like until he decreased swoppiness. Its not a one way street as it is easy and safe to play with higher or lower values. I think the default is a quite high 60.
Ed: is the NH3 detection used for fishfarts? SORRY, couldn’t resist that; “Stop that you naughty piscatorial polluters!”🙄
In essence – yes. Ammonia is a by-product of fish eating food. In the presence of inadequate oxygen this gets converted to poisonous compounds unless remedial action is taken.
A Scots mate of mine, tipped me off that Lidl’s Ben Bracken is a really nice single malt that gives the usual ‘Glens’ a tough act to beat. I normally treat myself and number one son to one of these each year.
Useful link Dave. Just to cook the goose a different way I use Apache rather than Samba.
As background, I have never had much luck with fish pond wifi thermometers, they last six months then give up the ghost. I’m now using a pi zero W + AZDelivery 2 x DS18B20 3m Cable Temperature Digital Thermal Probe Sensor as a cheaper alternative with the Pi zero sitting in a shed a couple of metres from the pond. Apache on the pi enables the zero to serve data files over wifi, and a simple python fed web-page on the pi enables me to get the pond temperature in a (so far) more reliable fashion.
This is by no means a NAS but it can select and serve temperature history file data. If I could find an appropriate sensor I think it could easily handle other fishy environmental things such as O2 and NH3 contents.
Before you get into serious work, check that the dog or something has not altered your hot water temperature setting or that your circulating water temperature has not been set below your hot water temperature.
There are known major issues with 4K+wifi usage in the Pi4B. According to this link there may be a fix.
Sorry about the b-awful auto screen/noises on this crappy ZDNet site!
If you are using wifi on the Pi you may be better using a dongle and wifi with external aerial. I noted a large drop-out rate with the internal wifi.
If you have lots of memory (you did change graphics memory I hope) then you may want to TRY reducing the swappiness.
sudo sysctl vm.swappiness=10
This is a contentious area with some saying it is a bad move. It helps me, so suck it and see.
I do not know whether to cheer this example of technology, or get very concerned.
As you can attest that it is otherwise 99+% accurate, I get very concerned at the presence of any spurious data. What if it had shown you in compromising locations e.g. a regular visitor to a Chinese/Russian embassies, or frequent trips to Iran? If most of the data is accurate what basis do you have for saying the other stuff is wrong?
It is always much harder to prove that you did not do something, and spurious data and spurious statistics could earn you a visit from the Men in Black!
Salt is much maligned, and small amounts are essential to the processes of cooking. As someone who has always had a below average blood sodium level I need some salt in my foods!
I do accept that the majority of people veer towards too high a salt level in their diet, but please do not force it on everyone otherwise all foods will taste as b-awful as low salt Heinz Baked Beans. Ugh!🤒
Christmas is for kids, and their eagerly anticipated swag bags. For teens and twenties it is another excuse to get wasted. For the middle aged it is a huge drain on their wallets and for old pharts an excuse to spoil and play with the grandkids.
It is a fantastic celebration completely in the spirit of the Mithrean and Saturnalian cult festivals that Christianity stole.😀
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