Passing An ObservedObject To Nested Child Views SwiftUI (SwiftUI Data Flow)

For ObservableObject the pairing ObservedObject makes view refresh, so to solve the task in question I would recommend the following approach: Demo Code import SwiftUI import Combine class Sport: ObservableObject, Hashable, Identifiable { static func == (lhs: Sport, rhs: Sport) -> Bool { lhs.name == rhs.name && lhs.isFavorite == rhs.isFavorite && lhs.school == rhs.school } … Read more

Is it possible for C preprocessor macros to contain preprocessor directives?

The Boost Preprocessor (which works for C as well as C++, even though Boost as a whole is a C++ library) library can help with this kind of task. Instead of using an #ifdef within a macro (which isn’t permitted), it helps you include a file multiple times, with different macros defined each time, so … Read more

A better way to use AutoMapper to flatten nested objects?

I much prefer avoiding the older Static methods and do it like this. Place our mapping definitions into a Profile. We map the Root first, and then apply the mappings of the Nested afterwards. Note the use of the Context. public class MappingProfile : Profile { public MappingProfile() { CreateMap<Root, Flattened>() .AfterMap((src, dest, context) => … Read more

Elasticsearch: nested object under path is not of nested type

TLDR: Put “type”: “nested”, in your nested type. Say we have a normal type, and another type nested in it: { “some_index”: { “mappings”: { “normal_type”: { “properties”: { “nested_type”: { “type”: “nested”, “properties”: { “address”: { “type”: “string” }, “country”: { “type”: “string” } } }, “first_name”: { “type”: “string” }, “last_name”: { “type”: … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)