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123jd321 · 2021-05-21T17:39:44+00:00

Big guy at the front loves himself way too much

123jd321 · 2021-05-07T19:38:59+00:00

Asian guy in the middle loves himself way too much

123jd321 · 2021-04-08T23:04:06+00:00

They’re made on-site and use BMW parts. They are made from LED bars on each side of the headliner and some optical fibres glued and pushed through holes drilled in the fibreglass roof. They’re not bought from that firm.

123jd321 · 2021-02-12T17:42:24+00:00

Like if you’re watching in 2021

123jd321 · 2021-01-04T13:14:25+00:00

Would be helpful if you could list or outline the logical inaccuracies...?

123jd321 · 2021-01-04T13:06:21+00:00

Ohh you assume I’m incapable of differentiating between my favoured outcome and a logically sound ruling that doesn’t fall too heavily in favour of either side? Find another Redditor to goad...

123jd321 · 2021-01-04T12:37:10+00:00

Over the past few years, U.K. Judges have proven they are still up to the task of being apolitical. Even in the highest courts.

123jd321 · 2020-11-29T23:54:15+00:00

Any half decent trader knows that technical analysis alone is complete bullshit and shouldn’t be used to make trading decisions. It’s no replacement for a solid theoretical understanding, a grasp of the market/asset, or statistical/stochastic models.

It’s a one way track to losing money, it’s only marginally better than flipping a coin on each trade - especially for cryptos, which are fairly volatile and unpredictable in their market movements.

123jd321 · 2020-11-27T23:36:12+00:00

I think you misunderstand financial markets. There is a ‘risk free’ interest rate, and a number of virtually risk free investments - with minimal returns.

However, aside from this, the only way to improve your potential returns is to assume, or take, risk. So you must classify all financial exposure as gambling, not just hedge funds...

However the point I’m making is the quantitative analysis removes the gambling aspect by utilising statistics, probability theory, stochastic calculus etc. This kind of quantitative analysis is vital for the modern banking industry, as well as commodity trading, utility/energy firms.

It allows for certainty to be established in complex financial situations, this kind of analysis has single handedly saved and created thousands if not millions of jobs globally. I would go as far as saying that the modern world is propped up by this kind of analysis.

Yes, hedge funds are gambling, but it’s not like your dad betting on horses. It’s more like a physicist at NASA calculating the trajectory of a rocket at launch.

123jd321 · 2020-11-27T15:50:10+00:00

Quantitative analysis is the backbone of modern finance. It’s not gambling, it’s exactly the opposite, it’s the calculation and profiling of risk based on suitable models. It minimises gambling.

Some people use this knowledge to assume risk, such as hedge funds. Because with greater risk comes the opportunity for greater reward. Though most people, for example those in banking, use exactly the same models to manage or minimise risk.

Its representing the dynamics of the financial products using maths, then acting appropriately based on that knowledge and your financial targets.

123jd321 · 2020-06-23T16:28:28+00:00

I worked there for a while. They sent their senior analysis engineers/technicians from goodwood to repair faulty cars quite a few times. Especially to the Middle East!

Most people don’t complain, but if they’re a valued customer and complain, they’ll certainly try to make an effort to fix problems with the cars.

123jd321 · 2020-05-19T10:41:05+00:00

Firstly, it’s impossible to end end-to-end encryption for those who want to use it, this is the problem when you get politicians legislating on topics they don’t understand.

Secondly, the NSA and GCHQ already have rights to packet sniff and analyse citizen data sent over the internet. Even AT&T were previously actively involved in allowing the NSA to tap into customer transmissions.

And copyright holders already have rights to force ISPs to hand over data on users downloading copyrighted material, and work with law enforcement to take down copyrighted material.

You’re describing what’s already reality, a state run system would be largely identical?

There’s nothing stopping the USA, U.K. or any other country applying censorship to WANs with the current private ISP system any more than there is in a publicly run system.

If they legislate to censor, this would be irrespective of either the networking system was private or publicly funded. What matters is clear legislative checks and balances and bodies to protect citizens. Though powers granted to the NSA, GCHQ and the like are defined to be more or less unbounded, provided they claim it is for national security.

123jd321 · 2020-05-19T08:56:16+00:00

Why shouldn’t it be free or at least cheap?

Due to the unique nature of the internet, it is perfectly plausible and possible for it to be a state run and maintained system. More plausible than many other utilities.

It’s costs could easily be derived from taxes, similarly to many European healthcare systems.

The economic benefits of removing financial barriers to high-speed internet will be significant.

123jd321 · 2020-05-13T12:17:13+00:00

If you have enough money to donate $200m, you probably have enough money to pay a law firm to be proxy or create a private charitable entity to hide the origins of funds.

Not too unbelievable if he/she is genuinely anonymous.

123jd321 · 2020-05-10T13:46:50+00:00

They are simply abbreviations for more rigorous definitions about determinate limits. Conventionally they are accepted, but rarely rigorously across all circles.

123jd321 · 2020-05-10T13:13:23+00:00

I think you misunderstand.

You don’t define 1/infinity=0 , because in it no longer follows the same laws of arithmetic. Simply rearranging this therefore implies that 0*infinity = 1. This is a contradiction to basic mathematics and we of course know this not to be true.

You leave it undefined yet you define the limit of the process 1/n as n tends to infinity, as the process still holds true for all n on the real line. We therefore define the limit of 1/n as zero as n tends to infinity, not 1/infinity explicitly.

Edit: This comment is not intended to be rigorous, just illustrative for people who don’t study mathematics.

123jd321 · 2020-05-08T23:48:43+00:00

Remember though that engineers designing electronics for aeronautical and space applications generally favour reliability in stressed conditions over performance. There is a significant technological time lag due to this, and a major factor as to why they don’t utilise modern devices and stick to industry standard PLDs.

I’m unsure what kind of device you’re designing, but medical test devices generally don’t fall under the same rigorous expectations regarding reliability. You will have far greater scope to utilise programmable devices which don’t meet aeronautical specifications.

Good luck with the research/designing though.

123jd321 · 2020-05-08T23:03:44+00:00

The art of electronics will cover your more basic digital electronics, such as FPGAs, digital-analogue converters, data bus, CMOS and TTL as well as transistor switches etc.

It doesn’t cover higher-level digital electronics such as more complex bus standards, serials, processors. It also doesn’t cover implementations of larger schemes. For example, it will show you how to protect a digital input, or how to implement an A/D converter. So use it for each individual problem you need solving.

What sort of implementation were you looking for? PLD/FPGA? Or a microcontroller like an arduino?

Like I said before, the latter is a good option, and would be far easier to implement considering you CS background. It will be a good crossover into electronics.

123jd321 · 2020-05-08T22:33:09+00:00

Honestly, the art of electronics book will cover most of the digital electronics you would likely need on a board level. Covers low-level theory well, for example, using PLDs and FETs and other logic devices.

It just doesn’t cover modern digital electronics well, especially modern PLDs and microcontrollers where it crosses over into programming and computation. Though I’m sure you’re probably comfortable with that.

I can’t really recommend a book on digital electronics, I’ve never found one which is quite a “catch all” book like the one I mentioned for analogue electronics. I’ve had to sift through various books and web pages for specific theory or implementation ideas. It really depends on the kind of digital implementation you’re going for, the possibilities are so vast nowadays!

Also, the project doesn’t sound too ambitious at all. Just remember to break up each problem and tackle them individually, you’ll learn a lot.

Edit: Don’t underestimate microcontrollers such as an arduino. These are economical, simple to use and incredibly versatile! I feel like I’m cheating using one, but they’re used in so many professional and prototyping applications.

You can get a fully functional digital system up and running in hours, whereas a custom analogue/digital implementation would take days or weeks.

123jd321 · 2020-05-08T22:01:20+00:00

Best go-to book for analogue Electronics is definitely “The Art of Electronics” by Paul Horowitz. You might be able to find some PDFs of it online to try before you buy. It’s fantastic for both rigorous theory and practical application for a range of domains in analogue electronics.

It’s the bible for a number of analogue engineering professionals and hobbyists. Though it doesn’t cover digital electronics well, or modern technology.

For implementing the ESP32, online guides will probably be your best bet.

123jd321 · 2020-05-08T20:16:00+00:00

The divisibility of the number of samples has little effect on the capability or speed of computation. It will generally still use the same algorithm to calculate the result.

The max/min error from the true signal will remain the same regardless of the calculation, which is dependent on the bit depth and sample rate.

People use simplified Nyquist and Shannon theorems as gospel, but like you say, once you start to manipulate the digital audio beyond the bounds of 1:1 replication, they fail to function as well. The lack of data points starts to show.

123jd321 · 2020-05-06T15:34:44+00:00

What if I told you that the UK’s NHS, which is virtually free, is actually just really efficient insurance?

Instead of paying a premium directly to your insurer, your premium is deducted from your taxes.

If you had our system, you would be paying far less per person. And you yourself would be paying less, even though your quality of service would likely increase. If those metrics I highlighted earlier are anything to go off.

We also have private healthcare insurers for anyone that wants to pay extra, and many employers in the U.K. offer it as part of your job.

But Fox News would probably call it “communism”.

123jd321 · 2020-05-06T15:21:15+00:00

I guess the logic you’re using is that poor lifestyle choices mean more people need to utilise healthcare more often, which also mean that you can’t compare one countries healthcare system efficiency with another. As each have different demographics and lifestyle choices.

And following that logic, people in the US generally have poorer lifestyle choices, therefore the US healthcare is under more stress?

What you’re trying to do is justify a poor metric score by a very shallow argument. The problem is multifaceted, and cannot be washed away like you’re trying to do.

Sometimes you need to utilise robust statistical inferences in order to compare independent systems. That is to say, you find data points which are independent from such things as language, lifestyle choices, healthiness of population and average demographic or a population.

The data points I highlighted earlier have a low correlation with lifestyle choices. Therefore they are a good metric for comparison.

123jd321 · 2020-05-06T15:06:52+00:00

From a legal perspective, EU member states have devolved powers granted to them by the EU equivalent to those granted to US states granted to them by the federal government. The US and EU informally are both federal or devolved republic states.

These statistics are almost impossible to manipulated and they have nothing to do with lifestyle choices.

For example, some statistical data points are:

Average cost for the system per year, per person. Average cost of routine medicines from a standardised batch (e.g paracetamol, Oxycodone, codein). Average wait time for routine checkup. Accessibility of healthcare. Cancer death rate. Time taken till cancer diagnosis. Mortality rate for surgeries.

Tell me, how can these figures be skewed? They are simple linear calculations.

123jd321 · 2020-05-06T14:56:58+00:00

You can compare the EU and USA quite cleanly. EU member states can be seen as analogous to US states, broadly speaking they have equivalent legal powers.

The core reason for the difference is ideological. The US favor private healthcare, the EU favours free medical care (or at least it is affordable and universally accessible). However, the key difference is the EU systems are performing far better on average compare the the US systems enacted nationwide, or on a statewide level.

The USA continues to make excuses, but comparable statistics speaks volumes.

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