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since ‎2015.07.20

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Hi,I've hit a blocker where I need to test for set bits in an int column that stores flags for an account. kdb doesn't seem to have built in bitwise operators. I've seen some blog posts about adding such functionality with linked in C libraries. Does...
Hi,given two keyed tables, both with different keys, is it possible to join based on named columns, where column names may differ? Here's a slightly verbose example:q)balances:([Account:`Smith`Jones;Currency:`USD`EUR]Balance:(0.10f;0.20f))q)balancesA...
Is it possible in q to extract the sign bit from a zero float? signum returns 0 for both 0 and -0.Thanks!
Hi,I have a table with a defined set of column types. I receive updates to this table via JSON, and the types in the JSON dicts do not exactly match. The JSON dict may have more or less columns than the row it needs to update, although it will always...
Hi,I have a table in which I need to store unique 32 byte cryptographic signatures for each row. I receive the column inputs via JSON as a 64 byte hex string. What's the best column definition for that data and how would I convert the string to that ...