timeflake
Optimus
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| timeflake | Optimus | |
|---|---|---|
| 5 | 2 | |
| 807 | 1,254 | |
| - | - | |
| 6.4 | 0.0 | |
| 8 months ago | over 1 year ago | |
| Python | PHP | |
| MIT License | MIT License |
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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.
timeflake
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PostgreSQL UUID vs. Serial vs. Identity
Yeah, just use a UUID unless the bits to store the UUID really are your driving limitation (they're not), having a UUID that is non-linear is almost always the most straight-forward option for identifying things, for the tradeoff of human readability (though you can get some of that back with prefixes and some other schemes). I'm not going to rehash the benefits that people have brought up for UUIDs, but they're in this thread. At this point what I'm concerned about is just... what is the best kind of UUID to use -- I've recently started using mostly v1 because time relationship is important to me (despite the unfortunate order issues) and v6[0] isn't quite so spread yet. Here's a list of other approaches out there worth looking at
- isntauuid[1] (mentioned in this thread, I've given it a name here)
- timeflake[2]
- HiLo[3][4]
- ulid[5]
- ksuid[6] (made popular by segment.io)
- v1-v6 UUIDs (the ones we all know and some love)
- sequential interval based UUIDs in Postgres[7]
Just add a UUID -- this almost surely isn't going to be what bricks your architecture unless you have some crazy high write use case like time series or IoT or something maybe.
[0]: http://gh.peabody.io/uuidv6/
[1]: https://instagram-engineering.com/sharding-ids-at-instagram-...
[2]: https://github.com/anthonynsimon/timeflake
[3]: https://en.wikipedia.org/wiki/Hi/Lo_algorithm
[4]: https://www.npgsql.org/efcore/modeling/generated-properties....
[5]: https://github.com/edoceo/pg-ulid
[6]: https://github.com/segmentio/ksuid
[7]: https://www.2ndquadrant.com/en/blog/sequential-uuid-generato...
- Show HN: 128-bit, roughly-ordered, URL-safe UUIDs
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Timeflake: 128-bit, roughly-ordered, URL-safe UUIDs
- How long the user took to write the post. This can happen if the app creates the ID when the user starts editing the post and also shares a timestamp of the publication or save time.
- Whether or not the user edited the post after posting it. This can happen if the posts's displayed time doesn't match the timestamp in the ID.
- Whether or not the user prepared the post in advance and set it to post automatically. If the timestamp is very close to a round numbered time like 21:00:00, it was likely posted automatically. If the posting platform does not provide such functionality, then the user must be using some third-party software or custom software to do it. This information can help de-anonymize the user.
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[0] https://github.com/anthonynsimon/timeflake/issues/3
[1] https://firebase.google.com/docs/cloud-messaging/android/cli...
[2] https://www.eff.org/deeplinks/2017/03/five-creepy-things-you...
[3] https://digitalcontentnext.org/wp-content/uploads/2018/08/DC...
[4] https://www.eff.org/deeplinks/2016/08/windows-10-microsoft-b...
[5] https://www.eff.org/deeplinks/2020/11/macos-leaks-applicatio...
Optimus
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PostgreSQL UUID vs. Serial vs. Identity
Yes, I completely forgot about it. I used it a few years ago, I tried also [1] which is integers instead of strings.
[1] https://github.com/jenssegers/optimus
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API: external UUID to internal ID in validation or controller or ?
To obfuscate id there are several solutions, other than the already mentioned hashids you can try this one https://github.com/jenssegers/optimus
What are some alternatives?
uulid.go - ULID-UUID compatibility library for generating and parsing ULIDs.
HTML Purifier - Standards compliant HTML filter written in PHP
Dapper - Dapper - a simple object mapper for .Net
PHP Encryption - Simple Encryption in PHP.
pg-ulid - ULID Functions for PostgreSQL
PHP SSH - An experimental object oriented SSH api in PHP
sequential-uuids - generator of sequential UUIDs
Themis - Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
ksuid - K-Sortable Globally Unique IDs
True Random - Fetches random integers from random.org instead of using PHP's PRNG implementation
id128 - 128-bit id generation in multiple formats
hashids - A small PHP library to generate YouTube-like ids from numbers. Use it when you don't want to expose your database ids to the user.