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I have to refactor a large codebase written in Angular. After some analysis I found that my application deals mainly with 3 entities i.e. A, B and C. There are different views/pages which need any one or all of the entities to do their processing. So, for example there is a Permission page which onlyRead more

I am trying to understand how to separate the domain model from the persistence mode so that the two can vary independently as described here and here I understand the benefit of mapping the ORM directly to the domain model i.e. speed of development. This would be my normal approach. Say I wanted to separateRead more

in my ASP.NET MVC application I have a service that had a method for paging, sorting and filtering of Vehicle Makes: public class VehicleService : IVehicleService { private readonly DbContext _context; public VehicleService(DbContext context) { _context = context; } public async Task<IPagedList<VehicleMake>> GetVehicleMakesWithPaginationAsync(string search, int? page, string sort) { var makes = _context.VehicleMakes.AsQueryable(); switch (sort)Read more

I use Laravel, but hopefully this doesn’t matter. I have a user and user’s state. Say, simple integer or a string. I want to run some logic depending on user state in my service class. So, the first approach is pretty simple: <?php class UserStateManager { public function __construct(UserRepository $ userRepository) { $ this->userRepository =Read more

Let $ c_1,c_2,c_3,c_4,c_5$ be a five chain of circles on a genus 2 surface (i.e $ i(c_k,c_{k+1})=1$ and zero otherwise). Then $ (T_{c_1} T_{c_2})^6 = (T_{c_4} T_{c_5})^6 = T_c$ where $ c$ is a separating curve that bounds a neighborhood of $ c_1$ and $ c_2$ (and also bounds a neighborhood of $ c_4$ andRead more