参与的讨论
Ported a short MATLAB script to R and one result came back as a matrix
Trying to redo a short MATLAB script in R, and I've barely touched MATLAB before. Most of it came over fine, except for a sin…
A loop that allocated a column at a time
Slicing in Julia copies, which I knew and then forgot inside a loop. Take a function that walks the columns of a matrix and d…
NOT IN and one NULL
SELECT * FROM orders o WHERE o.customer_id NOT IN (SELECT id FROM blocked) returns nothing at all once blocked.id holds a sin…
Implicit expansion turned my shape bug into a matrix
A row vector times a column vector with .* used to be an error. Since R2016b it isn't. With a = [1 2 3] and b = [1; 2; 3], a…
