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Edwinr95

64 karma · joined January 27, 2023

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Edwinr95··on Show HN: Similarity = cosine(your_GitHub_stars, Karpathy) Client-side
The dot product is computed between two vectors. For these use cases that dot product is equal to the cosine of the angle between these angles.

(Strictly speaking we have that the angle is actually defined in terms of the dot/inner product in more abstract spaces like function spaces or L^p/l^p)

Edwinr95··on Amazon Aurora DSQL
Isolation can be quite important. I work with a micro services architecture, where we assign a database per service.

That makes it very easy to manage access to sensitive data.

Edwinr95··on Amazon Aurora DSQL
But a smaller CRUD app wouldn't need "virtually unlimited scale". I'm very curious what their target audience is.
Edwinr95··on Amazon Aurora DSQL
I find it to be super limited, and I'm sort of struggling to see the point given all these constraints.

No temporary tables, no foreign keys, no views, no more than 10k rows in a transaction.

Except for some basic wire compatibility with the postgres protocol, I'd hardly call this a "database", and more a key-value store.

https://docs.aws.amazon.com/aurora-dsql/latest/userguide/wor...

Edwinr95··on How the square root of 2 became a number
No, the statement holds perfectly fine for the rationals.
Edwinr95··on We migrated our PostgreSQL database with 11 seconds downtime
I'm quite negatively surprised that a government service is moving from their own platform to AWS for such an important service.
Edwinr95··on Demystifying Web Push Notifications
How the push service delivers the message to the browser is still mysterious to me. Is Firefox simply hardcoded to poll Mozilla's push service?
Edwinr95··on Building a high performance JSON parser
I've seen people dump and share entire databases in JSON format at my job....