UnitSystems.jl
unix-history-repo
UnitSystems.jl | unix-history-repo | |
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6 | 51 | |
11 | 6,434 | |
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0.0 | 0.0 | |
over 1 year ago | almost 2 years ago | |
Julia | Assembly | |
MIT License | GNU General Public License v3.0 or later |
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UnitSystems.jl
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UnitSystems.jl vs Unitful.jl
[UnitSystems.jl](https://github.com/chakravala/UnitSystems.jl) and Unitful.jl are both Julia packages that provide support for working with physical quantities and units of measurement. However, there are some differences between the two packages:
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rounding in julia is incorrect
however, the correct solution would be for round to just work correctly instead of me writing extra methods for my packages https://geophysics.crucialflow.com/dev/units
- Similitude.jl is new more powerful Quantity than Unitful.jl
- Unitsystems.jl (complete reference for Physics Conversions)
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GNU Units
Recently I created a library for unit conversion in Julia, which is the most complete tool for unit conversion I am currently aware of
https://github.com/chakravala/UnitSystems.jl
unix-history-repo
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F/OSS Comics: 8. The Origins of Unix and the C Language
There is also https://github.com/dspinellis/unix-history-repo (Continuous Unix commit history from 1970 until today)
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Kernighan and Pike were right: Do one thing, and do it well
FWIW, ls in Research-V6 back in 1975 had 10 options. https://github.com/dspinellis/unix-history-repo/blob/Researc...
By BSD 3 in 1980 it had 11 options. https://github.com/dspinellis/unix-history-repo/blob/BSD-3-S...
The thing is, we can see even from the 1970s 'ls' how the Unix model doesn't meet the goal "to chain these simple programs together to create complex behaviors".
There is no option to escape or NUL terminate a filename, making it possible to construct a filename containing a newline which makes the output look like two file entries.
The option for that was added later.
There's also the issue that embedded terminal codes will be interpreted by the terminal.
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The original source code of the vi text editor, taken from System V
This is what it looked like about 7-8 years earlier: https://github.com/dspinellis/unix-history-repo/blob/BSD-1/e...
- Continuous Unix commit history from 1970 until today
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50 Years in Filesystems: 1974
RA92 (1989): 16 ms / 8.3 ms.
Note that the RL02 (and V7) and RA92 mentioned in the article are separated by about a decade.
[1] https://github.com/dspinellis/unix-history-repo/blob/Researc...
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Unix: An Oral History
The earliest version I could find [1] is already written in C.
[1] https://github.com/dspinellis/unix-history-repo/blob/Researc...
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Linux is not as smooth as windows
Here's a 1997 citation for "top cpu processes." It's not as close to the original 1984 release as I would like, but it's better than Wikipedia. https://github.com/dspinellis/unix-history-repo/commit/aee34003d7964653c44c31f5bf6bcf136b32c4f3
- GitHub was Founded in 2008 But...
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GPT based tool that writes the commit message for you
> The “why” goes into the PR and more importantly, engineering documentation and inline comments
This just ensures that the “why” is lost when someone comes looking years later.
From experience, SCM metadata is far more durable than just about any other work product we produce. Five decades later and RCS commit info was still available for the Unix sources, and history could be reconstructed: https://github.com/dspinellis/unix-history-repo
I’ve used 35-year-old commit messages to help understand a long-standing issue, decades after all other related organization tooling and data had disappeared.
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What should be included in a history of the Rust language?
P.S. I remember I looked into early versions of C (they survived in Unix historic releases) and that, finally, revealed to me why C does something really stupid and conflates arrays and slices (pointers). Initially C had no arrays! Or, rather, what it called arrays were, actually, pointers. “Normal” arrays were added at some point, but because these weird slices/pointers were already there that caused endless confusion. It wasn't resolved before C became popular and after that it was too late. Go repeated that mistake with slices, of course.
What are some alternatives?
gnu-units - GNU Units (mirror)
PySyft - Perform data science on data that remains in someone else's server
Unitful.jl - Physical quantities with arbitrary units
rss-proxy - RSS-proxy allows you to do create an RSS or ATOM feed of almost any website, just by analyzing just the static HTML structure.
Ruby Units - A unit handling library for ruby
intellij-rainbow-brackets - 🌈Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco Studio/Fleet
unix-v6 - UNIX 6th Edition Kernel Source Code
m1n1 - A bootloader and experimentation playground for Apple Silicon
mathics-core - An open-source Mathematica. This repository contains the Python modules for WL Built-in functions, variables, core primitives, e.g. Symbol, a parser to create Expressions, and an evaluator to execute them.
typos - Source code spell checker
uom - Units of measurement -- type-safe zero-cost dimensional analysis
insect - High precision scientific calculator with support for physical units