joshmyzie2
New Contributor
since ‎2014.08.17
‎2021.06.14

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avg works fine with a list of lists, but med silently fails. Is itsupposed to handle that case? If not, it would be nice if it threw a'rank error like dev and var do.q)d:0N 2#10000?1fq)med d / 2nd value is wrong0.51032904 0.35386276q)med each flip d ...
Hello,I have a large order book table. I want to be able to do fast upsertsas well as fast selects on the top few levels when ordered by price.In the following example, the table is keyed on the order id and sortedby price. How can I efficiently upse...
I'm not sure how to debug this, so looking for suggestions.I've been running multiple kdb instances inside a docker container.On multiple occasions, one of the instances will hang:- Running hopen on its port from a another kdb process will hang indef...
It's easy enough to swap timespan for timestamp in tick.q, but I wascurious why timespan is the default.For rdb queries and other tick.q subscribers, I find that I often wantto compare the relative values of two timespans, but can't because thedate i...
Hello,I trying to write a basic shared library feedhandler, but as a C novice,I'm struggling to understand the use of sd1() with a callback.Say I have a q function defined in my main thread:upd:{insert[`quotes;x]}If I were just sending data to a remo...