问领域后台队列中的自动释放池

EN

// Multi-threading
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
    RLMRealm *otherRealm = [RLMRealm defaultRealm];
    RLMResults *otherResults = [Dog objectsInRealm:otherRealm where:@"name contains 'Rex'"];
    NSLog(@"Number of dogs: %li", (unsigned long)otherResults.count);
});

dispatch_async(dispatch_queue_create("background", 0), ^{
    @autoreleasepool {
        Dog *theDog = [[Dog objectsWhere:@"age == 1"] firstObject];
        RLMRealm *realm = [RLMRealm defaultRealm];
        [realm beginWriteTransaction];
        theDog.age = 3;
        [realm commitWriteTransaction];
    }
});