badosu

Some points of interest (in decreasing order).

Tech related:

- PIX (Brazilian Payment method) as unfair to master/visa duopoly

- Last couple years the Brazilian Supreme Court has been involved in certain battles with X and other US companies (Elon Musk has been particularly involved)

Energy:

- Brazil tariffs US ethanol imports in 18% (while US does not)

Last week Flávio Bolsonaro (presidential incumbent for the end of year elections) visited Trump so it is certainly some interesting timing. His brother Eduardo has been living and lobbying in the US for more than a year now.

I mean, we have good evidence that "New Math" pedagogical approach in the 70s was very ineffective compared to traditional learning by example, memorizing multiplication tables at younger ages. Would you say that is "gibberish" as well?

In reality math teachers who are good are extremely rare because people who are good at math tend to not be teachers.

It's hard to take your argument seriously when your own sentence corroborates what I'm trying to convey.

Well, I don't believe that's a fair conclusion based just on the fact we observe most people are "innumerate" and "hate maths".

Most people also never had the fortune of having someone describe why resolving quadratic equations is meaningful or how it developed.

An example of a somewhat dense but very approachable topic with good motivation is this book: https://web.osu.cz/~Zusmanovich/teach/books/visual-group-the...

You could say that not every adult, 2 deviations from the IQ median for the sake of rigor (we lose 2.5% of the population under), capable of reading might be able to follow it, and I would accept the argument. At the same time almost every adult was also indoctrinated in such a way they "hate maths", even though their only experience is dealing with numbers, operations and memorizing formulas that might eventually be useful.

I'm not sure this translates well, but the best allegory I could make to illustrate my point is "the fish does not think about the water".

I am fine with the research results, it's important to note that it does not control for pedagogical variance. [Edit: I'd like refer to the last 2 paragraphs on the Discussion section to point out other issues in the paper the author acknowledges]

One speculation I'd be fine to make would be that high IQ could be associated with survival bias, e.g. someone who is already quite adept at identifying patterns might be able to derive meaning from structures without requiring the motivation that compounds over time for others "less gifted". But I am happy to accept it's just a very convenient speculation.

Sure, Terence Tao might be a gifted unicorn with a special brain, he had of course the circumstance and means to have his potential thoroughly leveraged. Maybe someone "gifted" that is forced to memorize the quadratic formula to pass a test gets bored (but not gifted or motivated enough to complete the square on their own).

Edit: I agree with the rigor on "everyone" and "maths" (not everyone, not all maths), I hoped we had shared context on this basic assumption (which I expected to be a frivolous pedantism, I stand corrected nevertheless). I also appreciate the point about cruelty (which, in the schooling context, I believe goes beyond just our specific topic) but this textbox is too small to contain my wonderful argument.

You are being disingenuous. Of course people with disabilities or severely deficient in cognition have innate difficulties that might hamper or completely preclude the development of mathematical skills.

The main point is that the educational environment most people have to deal with: public school in most countries, focused on rote memorization of formulas for passing tests, is the main factor on the incredibly inefficient and adversarial perception of most students and adults.

If you are able to understand something as "basic" as higher order effects in economics and societies, accrued from an understanding of rates of change from calculus, you are of course extremely privileged. On the other hand you are not some gifted unicorn with a special brain, you are just lucky (exceptions exist, but even they have to be somewhat lucky).

[Edit: grammar, ambiguity]

Good education, where one is imbued with motivation to learn and develop knowledge. That's not evenly distributed.

Anybody can learn math.

There are indications Embraer might announce a new aircraft at the next Farnborough Airshow, fingers crossed!

This might help you understand what should be the priorities for efficient water utilization (and reducing waste): https://www.construction-physics.com/p/how-does-the-us-use-w...

Excited about Thundermail!

Global guardian of what?

Thank you!

Sorry, I didn't get it. What was the 'right' answer?

Folks that like this, might find this interesting, an incredible resource for my then younger mathematical mind: https://www.dimensions-math.org/Dim_E.htm

An exploration of 3d via projections in 2d then 4d via projections in 3d.

Isn't that the case though? Where's the separation of powers or the rule of law in the US?

To be clear, I'm not favoring any kind of such action, just holding the honesty of the statement.

The fact that such a fuss is being made about low-grade oil is a concern in itself.

Keep in mind there's a lot of 'idle' refining capacity at the southeastern coast of the US which was built for heavy oil.

A bit of a tangent, but the more complete reason depends on what civilization (Aztecs/Incas), the common factor is an extreme loss of life due to old world disease.

Additionally, for the projectile velocity at the time the gambeson-like garment the Aztecs had available was surprisingly effective.

The sky is blue, not red, say meteorologists.

The sky is blue, not red, say meteorologists

Why unfortunately? Isn't that a good thing? (Assuming > 0% will switch to Linux instead of iOS)

Funny if not tragic. I was impressed at how good the styling of the page was until I realized the css did not load.

Location: Brazil

Remote: Yes

Willing to relocate: Yes

Technologies: Mainly Elixir, Ruby, most of modern front-end stack, some android work (native and react native), boilerplate provisioning and orchestration etc

Résumé/CV:

  Web developer for 15+ years. Most of them working as a consultant for NA/EU clients, ranging from launching new products from scratch working closely with the partners to small/medium sized companies and teams. Failed 3 startups as a CTO before focusing on consultancy.

  A few more details: https://gist.github.com/badosu/a252f4376461280837b3fda6c6f8c405

You can use some form of real extensions, e.g. the extended real line (+inf, -inf is often useful for programmers) or the projectively extended real line (+inf = -inf).

This is not about infinity in math not being a _specific_ value, it can certainly be (the actual infinite instead of potential).

It's simply about design and foresight, in my humble opinion.

I was fascinated when I first learned of [FreeBSD Jails], I wonder if right before containerization became a thing the concept was developed further for its requirements (could it have been?) it would have offered a more efficient containerization platform.

FreeBSD Jails: https://docs.freebsd.org/en/books/handbook/jails/

Maybe, but at least I believe there's plenty historical evidence for a different interpretation than: "russia and china big bad, their values are wrong/not aligned with the west"

Thank you! The article was "too clever" for me.

I had a hard time trying to parse something understandable from the article.

This is what I got from it (I'd be happy to hear someone informed correcting me/confirming). (excerpt from a discussion yesterday I had with some friends not too math inclined)

What it seems to be the articles claim is that, you could define a scaling operation in the angles you performed, finding some constant scaling factor (say alpha) and running the operation twice to reach the identity (rotation 0 compared to baseline), e.g.:

I = R ⊕ (α.R ⊕ α.R)

In their example that would be something like (with alpha=0.3):

I = (rad(75).X ⊕ rad(20).Y ⊕ ...) ⊕ (rad(0.3x75).X ⊕ rad(0.3x20).Y ⊕ ...) ⊕ (rad(0.3x75).X ⊕ rad(0.3x20).Y ⊕ ...)

Remembering that our rotation action is non-commutative, e.g. `aX ⊕ bY != bY ⊕ aX`.

The interlocutor on the other end experiencing time (or reasoning) at a different scale is an interesting case too, imagine a week feeling like centuries to them.

I really have a hard time understanding this train of thought.

One could say these sentences are also a product of "its culture".

The world is not black or white, good or evil. Things are more nuanced and complicated than advertised to be.

I'm not the single source of truth either, but I think there are lots of resources for people interested in avoiding propaganda and trying to understand things more deeply.

Sure, but I think there's a spectrum when making that decision:

"should keep their bullshit to themselves" <---> "should perhaps take leadership and avoid having their public channel a cesspool" <---> "actively encourages/participates in discriminatory practices" <---> "raging maniac hurting people, rallying for X"

Specifically on the topic of RubyGems:

I couldn't care less about what DHH posts or not, I certainly care that he uses his position to influence a chain of actors to interfere with something that always worked just because X.

I couldn't care less about the other side on the "cancel" mission, I care about influencing a chain of actors to interfere with something that always worked just because Y.

Please quarantine your political polarization/culture wars bullshit, non-anglo countries don't need it.

This.

While I am all for making conscious choices on what to support I can't take anything phrased like that seriously "all is contributors".

Hyprland, while inferior (imo) in some aspects to sway on the wayland tiling manager landscape is a fine piece of software that I use on my non-work computer (I still use sway for stability).

Back on the topic: I reiterate I'd be happy to avoid using or supporting projects based on non-purely technical issues (discussion on "pure technicality" omitted for brevity).

It's just... What, do I need to know every persons imo completely irrelevant opinions on whatever du jour hot political topic? Maybe the answer could be yes,

I would be fine with dropping Hyprland support, maybe I will after digging a bit more. But this whole thing just reeks to me of terminally informed and ragebaited people looking for a platform to vomit their completely irrelevant opinions, actions speak more (e.g. fostering a dangerous environment _adjacent to the project_ based on discrimination).

I just feel I want to nope out of this industry and everything related to it, it's very overwhelming.