KX Community

I just downloaded the KX Developer and Installed it. It works to do the computation, but it doesn't work to print messages. In KX Developer, if I simply run "show 123", I will have the error "cannot write to handle 1. OS reports: the parameter is inc...

I have below codes. Why the regular expression doesn't work with {2}? The last 2 lines should be 1b instead. How to make it work? Thanks. "42" like "[0-9][0-9]"; // i.e. 1b"42" like "[0-9]{2}"; // i.e. 0b "42" like "[0-9]{2,2}"; // i.e. 0b

I have codes as below. Why the last line would fail? How to make it work? Thanks! t:([] c1:`a`b`a`c`b`c; c2:1 1 1 2 2 2; c3:10 20 30 40 50 60);select from t where c1 in enlist `a; // worksselect from t where c1 in `a`b; // works?[t;enlist (in;`c1;enl...

In below code, a1 doesn't work. Any ideas why? myObj: (5 7; (`a; `b ; (4 5)));a3:.[myObj; 1 2 1; {count x}]; // i.e. ((5 7);(`a;`b;4 1))a2:.[myObj; 1 2; {count x}]; // i.e. ((5 7);(`a;`b;2))a1:.[myObj; 1; {count x}]; // i.e. it doesn't worka0:.[myObj...

In the below code, I can understand the meaning of (<), but cannot understand the meaning of (';~:;<). Why line 3 keeps 4 rows, while line 4 keeps 6 rows? What is the meaning of "~:" here? t:([] c1:`a`b`c`d`e`f; c2:1 1 1 2 2 2; c3:10 20 30 40 50 60);...