How do I write a one-line generator for this Python 3.x list cycle?

How to make a generator of this cycle correctly? I am a novice programmer, do not judge strictly, the Mentor asks me to write this cycle in one line for post in posts: post_id_detail[post[‘id’]] = post I do this but it doesn’t work post = [post_id_detail[post[‘id’]] for post in posts] Help to make the right… Read More How do I write a one-line generator for this Python 3.x list cycle?

Why do I need a "this" reference in a constructor but not the methods below?

If I don’t include this references in the constructor, I get the error "The assignment to variable [x] has no effect java." However, I have no problem not using one in the get method written below. Why is that? public class Bicycle { private String brakeType; private int numGears; private int numWheels; // Constructor public… Read More Why do I need a "this" reference in a constructor but not the methods below?

Why can't I pass operator to a function from an other in C++?

In my C++ homework (where I have to short different arrays with different methods), I run into a problem. I can’t pass comp() from one function to another. Here is a simplified version of my code: template <typename T, typename Compare = std::less<T>> void fooFunction(T arr[], int arraySize, Compare comp = Compare{}) { int endElem=arraySize-1;… Read More Why can't I pass operator to a function from an other in C++?

Generic C# Repository, service and controller design

Im learning about generics and was wondering about how a generic controller, service and ef core repo design would look like. My case: lets say an incomming post request to add Smartphone and keyboard object to smartphone and keyboard tables My repository setup is public class GenericRepository<TEntity> : IGenericRepository<TEntity> where TEntity : class, IProductGenericEntities {… Read More Generic C# Repository, service and controller design