I have a table with an enum type in it, and I created a function to add data to that table. I want that function to be generous in what to accept, so I take a t
I already have solution. But i think it will be more optimizable. So please provide me a solution for it. And remember that don't use predefined function of php
Below is my code: val opts = Map("allowUnquotedFieldNames" -> "true") val df_withSchema = df.withColumn("Data", from_json(col("Item.Data.S"),schema, opt
This is my DB structure: My goal is to retrieve each patient's last trial (only if their last trial is on level 0). I used max to retrieve the last trial of ea
I found the results of score() in LinearRegression is different from r2_score(). I expected them to return the same results.The codes are as below: r2_train = n
I have an array a = zeros(2,3) 2×3 Matrix{Float64}: 0.0 0.0 0.0 0.0 0.0 0.0 and I want to create a Bool array of same size with all values set to