kdb+ and q
Q+A on all things kdb+ database and the q language
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Image not loading in ML-toolkit

Hi there, I am actually working with ML-toolkit for q and I am having some problems. The example notebooks that they had on GitHub (https://github.com/KxSystems/mlnotebooks) display some images, but they are not being painted on my notebook. What can...

cperezln by New Contributor II
  • 2 replies
  • 0 kudos

Advent of Code Day 7

Scraping solutions from various (mostly private) forums, I’ve written up AoC Day 7 on Study Q. The aim of these articles is to help less experienced q coders learn from solutions written by q veterans. In today’s challenge I take you through my own r...

SJT by Valued Contributor
  • 1 replies
  • 2 kudos

John Earnest and versions of k

In the latest episode of the Array Cast we talk to John Earnest, creator of the ok.js k6 interpreter and an expert on k programming, about many aspects of array programming, including the relationship between k and Forth.

Screenshot 2022-11-30 at 12.34.47.png
SJT by Valued Contributor
  • 1 replies
  • 3 kudos

LeetCode #53: Maximum Subarray

https://leetcode.com/problems/maximum-subarray/ Given an integer array nums, find the subarray which has the largest sum and return its sum. The performance of q solutions to the Maximum Subarray problem appeared on StackOverflow recently. In q/kdb+,...

SJT by Valued Contributor
  • 5 replies
  • 6 kudos

Next Vector Dōjō on Sun 20 November

The dōjō awaits youAnother intimate Vector Dōjō this coming Sunday 20 November: room for three. Once again we’ll pick small problems from e.g. Project Euler, Rosetta Code, or LeetCode to explore the transition from looping to vector solutions. Mornin...

SJT by Valued Contributor
  • 1 replies
  • 3 kudos