The idea is cool. It really unifies front-and back end.
But Ciro Santilli feels the approach proposed by FeathersJS of being a glue between bigger third-party Front-end web frameworks like React and backend (object-relational mapping) is more promising and flexible.
Divorce of Jeff and MacKenzie Bezos by Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01
MacKenzie Bezos went on to marry a science teacher who taught their children.
The contrast with Bezos's girlfriend is simply comical. MacKenzie married the idealistic morally upright science teacher, while Bezos went for a silly sex bomb. Ah, bruta flor, do querer!
M. genitalium whole cell model by Covert lab by Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01
www.wholecellviz.org/viz.php awesome visualization of simtk, paper: www.ncbi.nlm.nih.gov/pmc/articles/PMC3413483/ A Whole-Cell Computational Model Predicts Phenotype from Genotype - 2013 - Jonathan R. Karr.
Followed up by the E. Coli Whole Cell Model by Covert Lab.
DNA stuff at: human mtDNA.
High-frequency trading as a form of Nirvana by Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01
Ciro Santilli once talked to a man who had been working on high-frequency trading for the last six years.
He was quite nice.
Ciro asked him in what way did he feel his job contributed to the benefit of society.
He replied that it didn't contribute at all. It was completely useless. More than that, it so completely useless, that it was even pure. A bit like advanced mathematics, but not even providing beauty for anybody outside of the company, since everything is a closely guarded trade secret, unlike mathematics which is normally published for the vanity recognition.
And so, Ciro was enlightened.
A great mind can work in the most useless branches of finance, without the desire to improve the world, nor make it worse. Not to compete, nor be afraid, nor anxious. A Sand mandala.
Only being. Being, in the exact fraction of a moment where bid meets ask.
University of Stanford spinout company by Ciro Santilli 35 Updated 2025-01-10 +Created 1970-01-01
Sections with
sh_type == SHT_STRTAB
are called string tables.They hold a null separated array of strings.
Such sections are used by other sections when string names are to be used. The using section says:
- which string table they are using
- what is the index on the target string table where the string starts
So for example, we could have a string table containing:
Data: \0 a b c \0 d e f \0
Index: 0 1 2 3 4 5 6 7 8
The first byte must be a 0. TODO rationale?
And if another section wants to use the string
d e f
, they have to point to index 5
of this section (letter d
).Notable string table sections:
.shstrtab
.strtab
Holds strings for the symbol table.
This section has
sh_type == SHT_STRTAB
.It is pointed to by outputs:
sh_link == 5
of the .symtab
section.readelf -x .strtab hello_world.o
Hex dump of section '.strtab':
0x00000000 0068656c 6c6f5f77 6f726c64 2e61736d .hello_world.asm
0x00000010 0068656c 6c6f5f77 6f726c64 0068656c .hello_world.hel
0x00000020 6c6f5f77 6f726c64 5f6c656e 005f7374 lo_world_len._st
0x00000030 61727400 art.
This implies that it is an ELF level limitation that global variables cannot contain NUL characters.
Spin like mad between:
- standards
- high level generators. We use the assembler
as
and linkerld
. - hexdumps
- file decompilers. We use
readelf
. It makes it faster to read the ELF file by turning it into human readable output. But you must have seen one byte-by-byte example first, and think howreadelf
output maps to the standard. - low-level generators: stand-alone libraries that let you control every field of the ELF files you generated. github.com/BR903/ELFkickers, github.com/sqall01/ZwoELF and many more on GitHub.
- consumer: the
exec
system call of the Linux kernel can parse ELF files to starts processes: github.com/torvalds/linux/blob/v4.11/fs/binfmt_elf.c, stackoverflow.com/questions/8352535/how-does-kernel-get-an-executable-binary-file-running-under-linux/31394861#31394861
This is likely the easiest one to produce as the frequencies are lower, which is why it was discovered first. TODO original setup.
Also because it is transparent to brick and glass, (though not metal) it becomes good for telecommunication.
Some notable subranges:
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