This is the order in which a binary search tree should be traversed for ordered output, i.e.:
- everything to the left is smaller than parent
- everything to the right is larger than parent
This ordering makes sense for binary trees and not k-ary trees in general because if there are more than two nodes it is not clear what the top node should go in the middle of.
This is unlike pre-order depth-first search and post-order depth-first search which generalize obviously to general trees.
Taylor expansion definition of the exponential function by Ciro Santilli 35 Updated 2025-01-06 +Created 1970-01-01
The Taylor series expansion is the most direct definition of the expontial as it obviously satisfies the exponential function differential equation:
- the first constant term dies
- each other term gets converted to the one before
- because we have infinite many terms, we get what we started with!
Using de novo DNA synthesis to synthesize a genes to later insert somewhere.
Note that this is a specific application of de novo DNA synthesis, e.g. polymerase chain reaction primers is another major application that does not imply creating genes.
Basically the same as classical limit, but more for quantum mechanics.
Sometimes you are really certain that something is a required substep for another thing that is coming right afterwards.
When things are this concrete, fine, just do the substep.
But you have to always beware of cases where "I'm sure this will be needed at some unspecified point in the future", because such points tends to never happen.
YAGNI is so fundamental, there are several closely related concepts to it:
Sometimes you can debug software by staring at the code for long enough by Ciro Santilli 35 Updated 2025-01-06 +Created 1970-01-01
Once upon a time, when Ciro Santilli had a job, he had a programming problem.
A senior developer came over, and rather than trying to run and modify the code like an idiot, which is what Ciro Santilli usually does (see also experimentalism remarks at Section "Ciro Santilli's bad old event memory"), he just stared at the code for about 10 minutes.
We knew that the problem was likely in a particular function, but it was really hard to see why things were going wrong.
After the 10 minutes of examining every line in minute detail, he said:and truly, that was the cause.
I think this function call has such or such weird edge case
And so, Ciro was enlightened.
Basically a synonym for central processing unit nowadays: electronics.stackexchange.com/questions/44740/whats-the-difference-between-a-microprocessor-and-a-cpu
- css/flex.html: illustrates basic flex usage, including:
flex-grow
: if there's space left, this determines how much extra space will be given to each.flex-basis
: the size the items want to be. But if there isnt' enough space, this can be cut up.Note that the minimal space required by children of the flex children cannot be necessarily cut up, and might lead things to overflow out of the container.flex-shrink
: if there's space missing, this determines how much extra space will be removed from eachflex-basis
Other examples include:
- css/flex-fill-vertical.html: minimal setup for a editor: docs.ourbigbook.com/editor
That example calculates and displays the final widths via JavaScript, making it easier to understand the calculations being done.
- 1972
- Transa (1972) album. Literally: "The Fuck", good old seventies. Caetano himself later mentions that this is one of his own favorite albums.[ref] The album was composed when he was living in London.
- 1975 Qualquer coisa album
- 1976 Doces Bárbaros (1976) albumUm Índio by Caetano Veloso (1976)Source. Recording from 1992. Also appeared in the Bicho (1977) album.
- 1977 Bicho (1977)Tigresa by Caetano Veloso (1977)Source. Talks about a strong willed, unapologetic, disenchanted, but also hopeful brown skinned lover: a tigress. Ciro once knew one, but it wasn't meant to be.
- 1978 album Muito (Dentro da Estrela Azulada)Sampa by Caetano Veloso (1978)Source."Sampa" is an affectionate slang for São Paulo City. The song perfectly captures the city, and reminds Ciro so badly of his University days there.
[D]a força da grana que ergue e destroi coisas belas
The power of money that builds and destroy beautiful thingsTerra by Caetano Veloso (1978)Source."Terra" means Earth in Portuguese.Ciro used to watch a television nature show called "Planeta Terra" in the legendary TV Cultura with his parents in the couch when he was young, and under a duvet when it was a bit cold. Those days were the best. The narrator's lady voice was particularly soothing, and would easily put you in a kind of sleepy trance, her name is Valéria GrilloTODO what was the original show exactly? Here is a sample: www.youtube.com/watch?v=vNwfYEMdrRU Very likely just a translation of some British nature show with a custom Brazilian intro and presenter. Credits at end mention English narrator: "Eugene Fraser", and "Thirteen WNET Nature" production, which produced Nature (1982) that ran since 1982, making that a likely candidate. - 1980Menino do Rio by Caetano Veloso (1980)Source. Apparently served as inspiration for the Menino do Rio (1980) movie, which is silly, but a worthwhile record of the times.
- 1984 Velô (1984)O Quereres by Caetano Veloso (1984)Source. Notable quote from the chorus that is often in Ciro's mind:translation:
Ah, bruta flor, do querer
Oh, brute flower of the wanting
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