Viewing profile — dmitrykoval

This is really cool and promising product! So many times when I was getting a google docs spreadsheet from non-engineering folks I was wondering if only I can embed a small jupyter…

Sure, I agree, above certain usage threshold hosted Trino becomes totally justified. But then, some engineering time to maintain the cluster has to be factored in as well.. for any…

other arguments aside .. Athena costs $5 per 1TB scanned and also supports predicates pushdown to S3 Select. I wouldn't call this expensive, at least in comparison to self hosted P…

For this particular example direct initialization i.e. std::string product("not worked"); would be preferred, as you end up using one call to constructor instead of two: default co…

Both are legal statements. The second one is a direct initialization, invoking corresponding constructor. The first one first invokes default constructor and then copy or move assi…

Good progress overall, especially on the Rust side, I wonder if C++ and Rust would at some point follow the same roadmap when it comes higher-level compute features or rather devia…

That's correct, but SQLite would require to serialize/deserialize the data sent to Python func (from C to Python and back), while Arrow allows to get a "view" of the same data with…

Following similar observations I was wondering if one can actually execute SQL queries inside of a Python process with the access to native Python functions and Numpy as UDFs. Than…

Story by TC - https://techcrunch.com/2021/04/30/what3words-legal-threat-wh...

Architecture of a Database System – Hellerstein, Stonebraker & Hamilton, 2007. Is a great paper focused on DBs design and architecture. From 2007 but still rocks. http://db.cs.berk…

That's one of the core use cases for Vinum - to provide SQL query engine, complementing Pandas in data analysis (thanks to Arrow), yet retain an ability to use native python and nu…

It's a little bit strange that even though Python was mentioned there's not a hint about the actual problem in question.

HERE | Senior Software Engineer | 60-75k EUR | Berlin, Germany | Full-Time | ONSITE | VISA My team, HERE Datalens is looking for great backend engineers to help us crunch and visua…

Totally, buses never seem to stop at traffic lights.

Looking forward!

Any plans to add public transport support?

Flipboard and Prismatic are more visually appealing and intelligent options correspondingly. For mobile news readers category.

It always amazes me how people keep recommending CLRS as an interview preparation material. If you haven't studied Algorithms before it will take months to go through material in t…

If you happen to be asked such questions it might be a good indication that the type they are looking for is code monkey. Or they are just not good enough to assess engineering ski…