[HN Gopher] Programming in K
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       Programming in K
        
       Author : tosh
       Score  : 18 points
       Date   : 2026-02-26 11:27 UTC (3 days ago)
        
 (HTM) web link (github.com)
 (TXT) w3m dump (github.com)
        
       | chrisaycock wrote:
       | I first encountered q/kdb+ at a quant job in 2007. I learned so
       | much from the array semantics about how to concisely represent
       | time-series logic that I can't imagine ever using a scalar
       | language for research.
       | 
       | Fun fact: the aj (asof join) function was my inspiration for
       | pandas.merge_asof. I added the extra parameters (direction,
       | tolerance, allow_exact_matches) because of the limitations I kept
       | hitting in kdb.
       | 
       | https://code.kx.com/q/ref/aj/
       | 
       | https://pandas.pydata.org/docs/reference/api/pandas.merge_as...
        
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       (page generated 2026-03-01 23:00 UTC)