Extract the sign bit from a zero float?
Is it possible in q to extract the sign bit from a zero float? signum returns 0 for both 0 and -0.Thanks!
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 would like to use lz4 as file compression instead of gzip as it is much faster [1].Is there any way to use it with KDB+ (with -19! and .z.zd)? Unfortunately I cannot use filesystem compression (zfs would support lz4).I tried gzip and kdb-ipc com...
Hi all, On coming Wednesday I will host a kdb/q session in the functional meetup group in Hong Kong. Hope to see you there. http://www.meetup.com/HK-Functional-programming/events/224038345/ Kim--Kim Tang
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...
q)asc (0; 0 0; 0 0 0; (0 0; 0 0); ((0 0; 0 0);(0 0; 0 0)); enlist0; (enlist 0;enlist 0);enlist 0 0;enlist (0 0;0 0); (();());enlist ())0 / (),rank 0() / 0,rank 1,() / 1 x0, rank 1 **(();()) / 2 x0, rank 2 **,(0 0;0 0) / 1 x2 x 2, rank 3((0 0;0 0);(0 ...
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