The three values (x, y, and z) together represent two important values, direction, and quantity. You multiply a matrix times an identity matrix and you...
Heap: Allocated and managed by the program, storing OC objects, for example, all objects inherited from NSObject, which are reference types. Stack: Managed by the...
At the bottom of Run Loop and GCD each side uses the other. Dispatch_source_create (DISPATCH_SOURCE_TYPE_TIMER) dispatch_source_timer (dispatch_source_timer)
AFNetworking, as read in this article, is version 3.2.0. The AFSecurityPolicy class is used to verify that the certificate for HTTPS requests is correct. Since...
SetupRC (): a custom function that sets the vertex data/color data associated with the graphics you need to render. RenderScene() is triggered manually by the...
In the Widget _travelRow () {... Add the following code to the function to implement in Widget _bgimagetoy (){... Todo: add imageUrl, im... todo: add...
MVC encapsulation and decoupling 2. MVP architecture 3. MVVM architecture Is mainly for high cohesion and low coupling, reducing maintenance costs. First, solution weight. Vc...
UITableview sliding menu has been launched from iOS8, convenient interface and good user experience, has become another feature that distinguishes iOS from Android, many apps...
Build responsive data binding network API architecture based on RxSwift + Moya. At present, 6 plug-ins have been packaged for your use and network data...
Background: Recently, I am making requirements for the input box. Requirements: The selected text cannot be displayed (2 in the figure) and bubbles cannot pop...
In the process of application development, we often need to countdown in many places, such as the wheel map, verification code, activity countdown and so...
Adobe recently released Adobe version 2022, and PhotoShop has also been updated to version 2022, with a smaller version called PhotoShop 23.0. This article will...
IOS development languages, both OC and Swift, are compiled by LLVM and eventually generate.o files. The compilation process is shown as follows: OC is compiled...
When we use Flutter for project development, we inevitably need to use mixed development scenarios; General mixed development is divided into two types: Flutter projects...
How to use the system API to quickly achieve scratch-off function. Scrape effect through mask. The scraping process can be transformed into a drawing process.