kdb+ and q
Q+A on all things kdb+ database and the q language
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Resolved! kdb+ summing

What algorithm is used in kdb+ for adding floating point numbers, when we run sum or sums? Is it simple adding the values up in order? I am looking for something that will minimise precision error, something like https://en.wikipedia.org/wiki/Kahan_s...

jlucid by Contributor
  • 317 Views
  • 2 replies
  • 0 kudos

q/kdb+ Table Manipulation Cheatsheet

Hello everyone, I wanted to share a cheatsheet I recently posted on my LinkedIn profile, and I thought it would be valuable to share it here as well. Table manipulation is an important aspect of kdb+, and q is an incredibly powerful tool for it. My c...

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Michaela by Community Manager
  • 216 Views
  • 1 replies
  • 5 kudos

Resolved! Databricks and KDB+ developer connection.

I need to know how to connect kdB+ and data bricks? So, that I can upload the data in kdb+ and connect it to data bricks and pull the data from kdb+ and create a dashboard there.

VM_67 by New Contributor II
  • 696 Views
  • 1 replies
  • 0 kudos

Resolved! Amend Entire Works in memory but not with a handle?

I've noticed some weird behaviour with amend entire using lists of lists. The behaviour is different depending on whether on I use a file handle or pass the list directly to the function. Code to recreate is pasted below: weirdPartition:(1 2 3f;();en...

jattwick by New Contributor II
  • 900 Views
  • 2 replies
  • 0 kudos