Swift

Ways to achieve multithreading and benefits:1,NsthreadLightweight is the lightest, but requires itself to manage the thread's lifecycle and thread synchronization. Thread synchronization locks the data to a certain amount of system

Today, when I was learning swift, I found that the creation of the playground file was a compilation problem, and I created one directly in the project to write the error that was reported laterWorkaround:It turns out that my project name contains

Swift has been a favorite for iOS developers since its birth in June 2014. It incorporates the relevant features of the current mainstream language and can see features in almost all high-level languages. and introduced lamda like C + +, The closure

今天隔壁老王突然问起我，Swift里面的@objc是个神马玩意儿？于是就有了今天的这个tip。那么话说回来，既然说到@objc，就不得不扯一扯Swift和Objective-C之间不得不说的一些事啦^_^Objective-c and Swift Hybrid developmentThe original purpose of Swift language is to hope to get rid of the heavy historical burden and restraint

Afnetworking is an easy-to-use third-party web development framework for IOS that makes it easy to get JSON data from a URL address.When using it, I use the Package Manager Cocoapods do not understand:Cocoapods Installation:

"func hasanymatches (list:int[], condition:int, BOOL), BOOL {for item In list { if condition (item) { return True } } return False}func Lessthanten (number:int)-Bool { return number "Func Makeincrementer ()--(int-

Knowledge Points: the element in the tuple data can have a name or it can have no name elements in the tuple data can be empty element Access can be by element name or subscript elements in tuple data declared as Var can be

Knowledge Points: swift range Operator: swift overflow operator ( Span style= "color: #E53333;" > Note: is provided for integral type Calculation ): &+, &-, &*, &/, &% swift supports n to n assignment swift

1 Access and modification of an array can be done through the methods and properties of the arrays, or by using the array's next-label method. 2 3 to know the number of elements in an array, you can view its read-only property count:4println"The

1 Swift provides two operators that facilitate the expression of a range of values. 2 closed interval operator3 4The Closed interval operator (A...B) defines an interval that contains all values from A to B (including A and b). The closed interval

1The values of strings and characters can be obtained by the addition operator (+) to add together and create a new string value:2Let string1 ="Hello"3Let string2 ="there"4Let Character1:character ="!"5Let Character2:character ="?"6Let

@autoclosure can be said to be one of Apple's most amazing creations.Simply put, what @autoclosure do is to automatically encapsulate an expression into a closure (closure). This can sometimes look very beautiful in grammar.For example, we have a

1. Creating and Using classes　　Use class and class names to create a class. The only difference between the declaration of a property in a class and a constant, variable declaration is that their context is a class. Similarly, methods and function

Today, after communicating with a senior, using OC and swift mixed development, encountered a let me can not help but to cheer the situation, here, share with you, also once again admire the power of Xcode.The most common occurrence of OC and Swift

According to international practice, the first program to learn a new language is to output a "Hello, world!" on the screen. In Swift, a line of code is done:If you have written C or objective-c code before, you must look familiar with this

To define a class, simply add the class name after class. Defining a property in a class is the same as defining a constant and variable, except that it is in the scope of the class. Similarly, the definition of a method and the definition of a

According to international practice, the first program to learn a new language is to output a "Hello, world!" on the screen. In Swift, a line of code is done:println("Hello, world!")If you have written C or objective-c code before, you must look

To process the conditional logic, use the IF and switch to process the loop logic, using for-in, for, while, and Do-while. Brackets with conditions or loops can be added without adding. The curly brackets that handle the logical body must be

1. What are the basic data type 1 basic types?Swift basic data types include integer and floating point type. The base type starts with an uppercase letter. Assigning a value to a type can only be assigned with a numeric value of the same

No matter what to do, as long as the dedication point, to do a good job. Don't always find excuses. Don't look down on small things, life is a collection of small things. Details determine success or failure. Soldier assault inside there is a line: