airpod leash

Turn from: Http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign Http://rdcworld-iphone.blogspot.in/2012/12/variable-property-attributes-or.html BJ Homer to Strong/weak reference gave a very image of the metaphor, very in place, excerpt as follows: Imagine Our object are a dog, and that's dog wants to run away (be deallocated).Strong pointers are like a leash on the dog. As long as you have the

Source: http://www.howtopet.com/training/dog/49585.htm As acute as a dog's hearing is, we ought to give them a little more credit for understanding our language. we know we can teach our dogs verbal commands, but cannot dogs learn to understand words we haven't purposely taught them. we may find ourselves saying, "Let's go for a walk" as we pick up the leash. the dog first associates the leash with the pro

@property (nonatomic, assign) NSString *title;What is the difference between assign,copy,retain?Assign: Simple assignment, without changing the index count (Reference counting).Copy: Create an object with an index count of 1 and then release the old objectRetain: Frees the old object, assigns the value of the old object to the input object, and then increases the index count of the input object to 1The difference between weak and strong:The difference (weak and strong) is that when an object no

appropriate.Imagine our object is a dog, the dog wants to run Away (be released).The strong type pointer is like a tethered dog. As long as you hang the dog with a leash, the dog will not run away. If there are 5 people holding a dog (5 strong pointers pointing to 1 objects), the dog will not run away unless 5 of the ropes fall off.The weak type pointer is like a child pointing at the dog and shouting: "Look!" A dog is there. "As long as the dog is k

objectRetain: Frees the old object, assigns the value of the old object to the input object, and then increases the index count of the input object to 1The difference between 2:weak and strong: The difference (weak and strong) is that when an object no longer has a strong type pointer pointing to it, it is freed, even if there is a weak pointer to it. Once the last strong pointer is left, the object will be released and all remaining weak pointers will be cleared.There may be an example to des

object, assigns the value of the old object to the input object, and then increases the index count of the input object to 1The difference between weak and strong:The difference (weak and strong) is that when an object no longer has a strong type pointer pointing to it, it is freed, even if there is a weak pointer to it.Once the last strong pointer is left, the object will be released and all remaining weak pointers will be cleared.There may be an example to describe it as appropriate.Imagine o

@property (nonatomic, assign) NSString *title;What is the difference between assign,copy,retain?Assign: Simple assignment, without changing the index count (Reference counting).Copy: Create an object with an index count of 1 and then release the old objectRetain: Frees the old object, assigns the value of the old object to the input object, and then increases the index count of the input object to 1The difference between weak and strong:The difference (weak and strong) is that when an object no

function more than assign, when the object disappears automatically turns the pointer to nil.Strong: Is the default keyword.The difference (weak and strong) is that when an object no longer has a strong type pointer pointing to it, it is freed, even if there is a weak pointer to it.Once the last strong pointer is left, the object will be released and all remaining weak pointers will be cleared.There may be an example to describe it as appropriate.Imagine our object is a dog, the dog wants to ru

parameters of a function that are automatically released when the function returns. The difference between strong and weak (weak and strong) are different when an object no longer has a pointer to a strong type that is released, even if there is a weak pointer pointing to it. Once the last strong pointer leaves, the object will be freed and all remaining weak pointers will be cleared. There may be an example to describe it as appropriate. Imagine our object is a dog, the dog wants to run A

Note: Airpods only supports the latest iOS 10, watchOS 3, MacOS, or Sierra system versions of the device. According to a US Science and Technology blog website, Airpods does not use any magic wireless technology, but is the Bluetooth technology used in most wireless headphones, but the Apple has been enhanced, such as the built-in W1 chip, and then through specific software to achieve automatic connection with the phone. Overall, the airpods operation is very simple, double-click can start Sir

scene, but also zoom to observe the picture, and, when zooming the screen, the game's sound will also change, combined with airpod, can be said to be a great immersion experience. Unlike the Pokémon go, games such as the machines are based primarily on the current environment, rather than on map location information. Based on the map location information game, the user's GPS positioning and so on, and out of geographic information, the new game can

publicity. In particular, the second option, due to the inclusion of unfair competition factors, often nothing, easy to attract netizens complained, but it backfired. For example, Chinaren's prize house activities have been violated by the "anti-unfair competition law" and the Industry and Commerce Department ordered to stop, become hit event, this is the organizer unexpected. Second, long-term fishing type Long-term fishing is long leash there, whic

improve the quality of garbage, the spark program will be original again to the climax, so that the webmaster is not in order to do those who make the internet garbage things, to do real content, can really precipitate users have the actual role. 1. Original Original SEO has always been respected things but has been unable to do hundred percent, now the original has been very mature, the major webmaster has also changed the thinking began long leash