Andrii Gakhov

icon indicating a website link https://www.gakhov.com

icon company ferret go GmbH icon location Berlin, Germany icon location A mathematician and software engineer. PhD. Author of book "Probabilistic Data Structures and Algorithms for Big Data Applications"

Results 4 comments of Andrii Gakhov

Problem if my id key is not integer

I have the same problem, since my PrimaryKey is a SlugField.

Some problems about Count Sketch

Sorry, didn't get the exact point where you get a negative estimate due to the collision to 1/-1. Maybe you can refer to it in the book? However, since the...

Recent updates for hyperloglog and MinHash-like algorithms for your book

Thank you for the email, Jianshu. Yes, there are many new pieces of research in this field that have been completed since 2018 when the book was completed. It is...

Unexpected result for some dates

That's a problem, unfortunately ... I need to store `start_date` and `end_date` separately and i don't know in advance if it's `to 5Jul2015` or `from 5Jul2015` ... The solution with...