How to solve Repeated column in Grails mapping for entity?

If an algorithm can learning the mapping from x to y, e.g. y=f(x), can ML learn the inverse mapping from from y to x? For example, the mapping from y to x1, x2... where, f(x1)=f(x2)=y. Can ML learn g(y) = x1 and g(y) = x2? Normally, the ML would probably...

I have a spreadsheet in which i have need to calculate the average of every nth Column. The repeated columns are weekly sales data as follows - Units / Sales / GP Each week i will add another set of these columns for the weeks sales data and need to...

I know that there's a repeated sequence (like, doing 2 or 3 shifts repetitively ( 50+ repeats)) to solve a Rubik's Cube; I saw someone repeat something A LOT and was able to ...show more

so here's the data: column A contains a drop-down list of three text values (Apple, Pear, Orange). column B contains names - some of which may be repeated. what i would like to do is count the number of unique values in column B for EACH of the values...

Is this a good way to solve the equal height columns problem in CSS? I was trying to solve the problem of how to get background colours to fill the full column heights in a three-column layout, as the shorter columns only extend far enough to cover their...

I need to prepare a large document for import. One of the fields has address and city both in it. Only spaces separate the components. I need to be able to separate the city from the address portion. I have tried various formulas however, they don't...

I have seen many questions getting repeated during interviews.Should one tell the interviewer if he/she has heard the question or practised the question before no matter how many questions are repeated? "Cracking the coding interview" book...