Francisco
New Contributor
since ‎2012.01.19
‎2023.06.21

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Hello, while in my fifth day of COVID19 reclusion at home I like playing a free little game called Clever Mines and I'd like to know how a q expert would approach this problem:It has several modes and levels, but Iike playing triangle cells mode and ...
Hello: I have 2D matrix of floats M 0 0 0 0 1.56250 0 0 0 3.1250 0 0 0 6.250 0 0 0 12.50 0 0 0 253.125 6.25 12.5 25 50I could compute the last row and the last column using q:M[r-1;]:{2*x}\[c-1;M[r-1;0]]M[;c-1]:reverse({0.5*x}\[r-1;M[r-1;c-1]])But no...
Hello,I'm trying to get live tick data from jforex trading platform in a a Kdb+ table.In https://www.dukascopy.com/wiki/en/development/strategy-api/practices/write-ticks-in-mysql there is an example using MySql:package jforex;import com.dukascopy.api...
Hello,c variable is the result of an online REST API query.c variable should be a table, but sometimes it's a list because one or more rows have an extra column ( in this case is the fourth row).I need (a function?) checking each row and if the row h...
Hello I have a table with several instruments trading data like this:instrument granularity time open high low close----------------------------------------------------------------------------------------AUD_USD D 2015.08.25D21:00:00.000000000 0.7127...