marc
Markov chain generator for Python and/or Swift (by maxhumber)
ulid
Universally Unique Lexicographically Sortable Identifier (ULID) in Python 3 (by ahawker)
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| marc | ulid | |
|---|---|---|
| 6 | 4 | |
| 65 | 644 | |
| - | - | |
| 0.0 | 0.0 | |
| almost 2 years ago | about 1 year ago | |
| Swift | Python | |
| MIT License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
marc
Posts with mentions or reviews of marc.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-05-25.
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Markov Chain Monte Carlo Without All the Bullshit (2015)
I love Markov chains! But, I too don't like "terminology, notation, and style of writing in statistics"... so, I built a simple "Rosetta Stone" (Python <> Swift) library implementation of Markov chains here: https://github.com/maxhumber/marc
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I built two Markov chain libraries to showcase the differences between packaging in Python vs. Swift (Spoiler: While Python is great we all know the packaging experience isn't the best...)
But, frustratingly, I originally had a blank __init__.py here, and the tests were working on the build server... but when you installed the package with pip install -U marc from PyPI, it wouldn't be able to import until I added in the from .marc import MarkovChain
- Markov chains implemented and packaged in Swift vs. Python
- Show HN: marc – Markov chain generator for Python and/or Swift
ulid
Posts with mentions or reviews of ulid.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-08-05.
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Plan B for UUIDs: double AES-128
I really like ULID for this problem (e.g: https://github.com/ahawker/ulid)
- same number of bytes as UUID
- start with a date, so has great locality. Plus you get extra information in the uid that you can extract.
- can be created from an existing date or uuid, and exported to a uuid, so there is a migration path
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New UUID Formats from IETF
As the author of a popular ULID implementation in python[1], the spec has no stewardship anymore. The specification repo[2] has plenty of open issues and no real guidance or communication beyond language implementation authors discussing corner cases. The monotonic functionality is ambiguous (at best) and is implemented differently per-languages [3].
Functionality, UUIDv7 might be the _same_ but the hope would be for a more rigid specification for interoperability.
[1]: https://github.com/ahawker/ulid
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Sortable Collision-Free UUIDs
Looks similar to ULID[0] (I am the author of a popular python implementation[1]).
It appears to have a similar constraint that two ID's generated within the same timestamp (ms, ns) have no strong guarantee of ordering. That might not be a deal breaker depending on your use case but something to consider.
- Usando ULIDs para criar ordem em dados não ordenados
What are some alternatives?
When comparing marc and ulid you can also consider the following projects:
xeger - Library to generate random strings from regular expressions.
ksuid - K-Sortable Globally Unique IDs