macOS Core Data – are toOne new records automatically assigned to the toMany Object the moment they are created?

I have two core data entities: Category and Music. Category has a toMany relationship. Music has a toOne relationship. Each entity display their values on separate tables. Tables are populated by independent NSArrayControllers. I select a category on its table. I create a new Music by this line on the code on MusicArrayController: let newAttribute…

Details

how to compile the test files of m4ri? [closed]

Currently, I want to use the package ‘m4ri’ to solve system of linear equations. I installed the package following the instruction on the website (https://bitbucket.org/malb/m4ri/src). Then, I tried to compile the test_solve.c with the following command line: gcc -std=gnu99 -lm -lm4ri -I/home/qarma/m4ri -O0 /home/qarma/m4ri/tests/test_solve.c I could compile successful. But the problem is when I run…

Details

Dagger 2 Inject Context in Kotlin Object

I am trying to inject Context using Dagger 2. AppComponent.kt: @Singleton @Component( modules = [ AppModule::class ] ) interface AppComponent { fun context(): Context } AppModule.kt: @Module class AppModule(private val application: Application) { @Provides @Singleton fun providesApplicationContext(): Context = application } MainApp.kt: class MainApp : Application() { lateinit var appComponent: AppComponent override fun onCreate() {…

Details