Override the main() method. Refer to this Blog. These properties are overridden to manually control the lifecycle of the asynchronous Operation. Instead of running main,...
There are often multiple development environments in projects. For example, our company has four environments: development environment, test environment, pre-launch environment and online environment.
We know that Swift has two kinds of constructors, the specified constructor and the convenience constructor, and there are various rules for writing these two...
Threads are useful when performing a time-consuming operation without affecting the main thread to improve application performance and enhance the user experience. This article will...
MethodSignatureForSelector: used to generate the method signature, the signature is to give forwardInvocation: the parameters in the anInvocation calls.
At the bottom, the operation will be compiled into assembly code after more than one instruction. Therefore, the scheduling system may interrupt the execution halfway...
"This is the 11th day of my November Text challenge, the event details: 2021 Last Text Challenge" function to view today's function is relatively simple,...
When UITableView+isPagingEnable is used together, such as the large screen video feed stream page of short video App, the contentSize is not accurate during scrolling....
Usually developers think of the time as a floating-point data format. We use NSTimeInterval, which is actually a simple double that can represent the time...
The objC-init analysis calls a number of methods respectively: environ_init() : reads environment variables that affect the runtime. You can also print environment variable help...
In this article, we'll discuss the beginning of Test 101: dependency injection. Suppose you are writing tests. If your test goal (SUT, system testing) is...
Using higher-order functions like Map and filter is very common in Swift projects because they are simple algorithms that allow you to turn complex ideas...