Awesome Q
Awesome Q is a community-curated list of useful or interesting libraries for using kdb+, modelled on similar collections for other languages (e.g. Rust, Go, PHP, Python). http://awesome-q.org
Awesome Q is a community-curated list of useful or interesting libraries for using kdb+, modelled on similar collections for other languages (e.g. Rust, Go, PHP, Python). http://awesome-q.org
Turning a URL into a QR (Quick Response) code is an illuminating exercise. Following the description of the algorithm posted by Vidurangi Kalpana, and setting aside the business of representing a boolean matrix in print or on a screen, the steps are:...
Now here’s a task that cries out for a simple solution: put a border round a matrix. My matrix is boolean and represents a QR code (yes, we’ll come to that) but it’s the same problem as, say, putting a 1px border on an image. So let’s examine it as w...
I am trying to create a continues futures contacts based on volume. But the problem I am facing is the symbols are flipping back and forth. How did you fixed the sym being flipping back and forth?posted my query on stackoverflow, but no luck with sol...
suppose i have a table t: ([]isMatched: (1b,1b,0b,0b;1b,1b,0b,0b;0b,0b,1b,1b); index:((0,1,2,3);(0,1,2,3);(0,1,2,3));id: ((`a,`b,`c,`d);(`a,`b,`c,`d);(`a,`b,`c,`d))) so each row will find use the first element in idx which the corresponding element i...
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