no return value

This keyword has three main applications:1.this calls the properties in this class, that is, the member variables in the class;2.this calls the other methods in this class;3.this calls the other constructor methods in this class, which are placed on

I. Definition of objectsObjects are entities in which things exist, often dividing objects into two parts: static and dynamic parts, static parts called properties, dynamic parts called behaviors, and understanding objects by exploring the

ProcessWe usually write the C language code, compiled by the compiler, eventually it will become an executable program, when the executable program (before the end), it becomes a process.A program is an executable file that is stored on a storage

Proficiency in a language is not for me, I like to quickly master a language of 50%.The three main features of object-oriented programming are encapsulation, inheritance and polymorphism. Relative and process-oriented, encapsulation implements the

I've seen several posts on labels and javascript:void (0) Recently, and I'd like to keep them in mind.Note: The following code is not fully tested, but the scenario that each method may appear is basically explained.When making a page, if you want

three ways to use JS1. Directly in the HTML tag, using the event properties, invoke the JS code: Point me! 2. From anywhere on the page, use the script tag3. External: Use the script tag src attribute to select an external address, type attribute

C Tenth round of language: The function of the big secret"Learning goals"1. Definition of functions2. Use of functions3. Declaration of functions4. Formal parameters and arguments5. Return statement6. Invocation of functionsFunction: A function is a

1 Import Foundation2 //variable declarations use3 4 //use let to declare a constant, use Var to declare a variable constant to assign it only once5Let Name="Cuiyw";6 varAge:int= -;7 //The compiler automatically infers the type when declaring the

Java object-oriented programming to organize athree major features:Package: EncapsulationInheritance: InheritancePolymorphic: PolymorphismTo create an object:person per = null; declaring objectsper = new person (); Instantiating an ObjectOrPerson

Set is a set, although there are also key and real values, but the two are the same value, the key value is set to meet the underlying structure of the red and black tree, set operation and map very much like but also a little different.1. The set

Stitching between stringsS1 = ' Qwe 'S2 = ' ASD 'Print (S1 + s2)QweasdS1 = ' Qwe 'S2 = ' ASD 'Print (S1 * 8)In Python,%s represents a variable of type string,%d is a variable of integer type, a dictionary of formatted representations, for

C + + Prerequisite fundamentals and programming specificationsC language is process-oriented programming, emphasizing the execution order of programs, top-down, and C + + is Object-oriented programming, the program as a number of objects, each

Each type also defines what happens when an object of that type is created-the constructor defines the initialization of the object of that class type. Types can also control what happens when an object of that type is copied, assigned, or

Recently prepared to learn Python system, in order to be able to find in time, first recorded.First of all, what is called sequence, before in use, feel the concept of a vague, today deliberately read the next, the sequence is the most basic data

Recently in the study of how to embed Lua in Windows to complete the business module authoring some problems, first Lua as a scripting language, its flexibility and scalability is very high, otherwise cocos2d-x will not embed him to write business

First, what is a function?Functional, well-organized, reusable code snippets used to implement a single, or associated function.Functions can improve the modularity of the application, and the reuse of code, which is called the user-defined

Linux process (1) – the environment in which the process runstags (space delimited): LinuxThe following is from the advanced programming of the UNIX environment reading notesPre-citedFirst think about the following questions can be answered:

Java08-Construction MethodFirst, the construction method1, what is the construction method?A constructor method (class method) is a special member method that is compatible with the method name and class name.2, the role of the construction

Closures are very useful in swift. The popular explanation is that an int is stored with a string containing a string of characters, and the closure is a type that contains the function. With closures, you can handle a lot of things that you can't

Busy a few days ago, until now is a free rest. I wish you a Happy New year, I will smile o.oThis blog post mainly describes the definition of a type of object when the replication control mode, this part of the content before a certain understanding