khold_stare

That list has Avengers Infinity War and Endgame on it by the way.

In trading all threads are pinned to a core, so that scenario doesn't happen.

Except for the Ubers, everything you listed that was added, moves more people than cars do. Public transit, bike lanes, walkable areas provide viable alternatives methods of transit so you no longer need to use a car. And those cars have huge costs to residents - noise, pollution - that they dont pay for. Congestion pricing literally is a price to pay if you refuse to use anything else that is more efficient in a dense city.

Also your comment on the "Bankrupt MTA". Public transit is just that - PUBLIC transit. It is not supposed to make a profit, the same way highways for cars are a public good. When is the last time you complained that your taxes are too high because of all the road maintenance? Those damn highways better make a profit!

Look at the data before you gobble up right-wing misinformation. Do you even live in NYC?

Superconductivity is fascinating. I don't know how people were able to come up with the explanations. Crudely, the reduced temperature means less jiggling of the metal lattice. This in turn makes it possible for the nuclei to be pushed around by electrons to form essentially sound waves (phonons) in the lattice (think of the lattice compressing and expanding due to interplay with electrons). At a certain temperature and therefore a certain frequency of lattice oscillation, electrons pair up to form "Cooper pairs" - they move in concert due to the lattice movement. What's crazy is that cooper pairs become a sort of pseudoparticle, and their quantum behaviour is different to regular electrons. Cooper pairs have integer spin (as opposed to half-integer spin), so they no longer obey the Pauli exclusion principle and all the electrons in the entire material basically form one giant condensate that extends through the whole material and can all occupy the same lowest energy quantum state.

Yep! That's why I said it _sounds like_ a conspiracy theory. Just hope it can be halted in time.

The comment about an "email chain could have been a 30-second chit chat" is such a straw-man argument. On top of that, forcing everyone to commute up to an hour each way is a blatant disregard for people's personal time. How productive would the workforce be if the commute counted as work hours?

Isn't that the opposite of the intended implementation? I don't write Rust, but I think your implementation will always return either `None` or the "fallback" value with the `"-default"` key. In the article, the crucial part is that if the first `map.get_mut()` succeeds, that is what is returned.

Why is heap allocation and shared_ptr required? Can't you have the user store the widgets in whatever manner they want, as values?