Learning Swift is really a headache for people with less, and no OC Foundation, so and learn to cherish it.Do log in when found textfiled automatically call the keyboard can not be hidden? Headache ~ ~ ~ ~ asked a lot of people finally someone to
Collection types in Swift have arrays and dictionariesThe difference between an array and a dictionary is that the array is ordered, the dictionary type is unordered and the dictionary has a key value1. Definition and updating of arraysThe
IOS8 opens up a lot of APIs, including HomeKit, HealthKit and more. What we're talking about here is the Touch ID verification of one of them.Before using the app to protect the user's privacy content, can only set and enter the password. See only
Definition of the array:var Beijing line Line 10 = ["National Library", "BA Gou"]Beijing Line Line 10. Count//or the length of the arrayIf Beijing line Line 10. IsEmpty {println ("The array is empty");}Add a value to the array,Beijing Line Line 10,
In Swift , there are three types (type): structure,enumeration,class where structure and enumeration are value types (value type), class is a reference type (reference )However, unlike OBJECTIVE-C, structure and enumeration can also have methods,
Original blog, reproduced please indicate the sourceUse the Nskeyedunarchiver class to convert to each other1, nsdictionary turn NSDatavar dictionaryexample: [String:anyobject] = ["User": "UserName", "Pass": "Password", "token": "0123456789", "image"
1. Tuple typesLet cat = (age:4,weight:2,cocle: "Black", beauty:true)if (cat.beauty) {printf ("I will not tell you my kitten has \ (cat.age) years old, weight \ (cat.weight) Jin");}else{printf ("Come and let me chop you Up");}2.optional Unpacking and
Swift is a new programming language that Apple introduced in June. Can run on iOS Mac two platforms, used in place of Apple's previous programming language object-c,object-c strange syntax to make many people placing, but Swift's syntax is similar
9. Classes (Class) 9.1 constructs 9.2 Whether the class is a value type or a reference type 9.3 Identities 9.4 About pointers Construction of Class 9.5 init () and destructor deinit{} Inheritance of Class 9.6 (inheritance) 9.6.1 subclass
Selectable VALUES (Optional)In OC, a class-type variable whose value can be either a valid object or nil. However, types such as int,double do not have nil values. For example, 32-bit int, which exceeds the maximum, OC is treated with nsnotfound
Function
A function is a self-contained block of code that performs a specific task. Identify what it is by giving a function name and use that name to invoke the function when needed to perform the task.Swift's unified functional syntax is
"The Analects of Confucius Weiling" has a classic dialogue: "Son Gong for benevolence." Zi Yue: 工欲善其事, its prerequisite. ......』。 For a programmer, a good tool does not necessarily produce high-quality code, but a good tool is self-evident in its
The Loop statement enables the program code to execute repeatedly. The SWIFT programming language supports 4 types of looping constructs: while, do while, for, and for. The for and while loops test the loop condition before the loop body is executed,
The Loop statement enables the program code to execute repeatedly. The SWIFT programming language supports 4 types of looping constructs: while, do while, for, and for. The for and while loops test the loop condition before the loop body is executed,
The Loop statement enables the program code to execute repeatedly. The SWIFT programming language supports 4 types of looping constructs: while, do while, for, and for. The for and while loops test the loop condition before the loop body is executed,
Swift 1.1 language 7th function and closureIn programming, as the processing problem becomes more and more complex, the amount of code increases rapidly. Where a large number of code tends to repeat or approximate each other. The code will be
Original: http://leancodingnow.com/swift-learning-resources/Swift is the new programming language that Apple launched in WWDC this year, and its 1.0 version is officially released with Xcode 6. This article mainly lists some learning resources about
Swift's string has no length property, so it's hard to get the string length of a string to take advantage of the global function countelements each time.No way, just extend the string struct and add a property to it.Import foundationextension
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