Course Elementary  12624

Course Introduction："jQuery Fun Class" jQuery is a cross-browser JavaScript library that simplifies the operation between HTML and JavaScript. It is currently the most popular JavaScript library.

Course Elementary  17092

Course Introduction：This course in "SQL Fun Class" can be used to learn databases or as review materials! ! There are basic questions in the course. It’s fun to do the questions step by step like a game. Let’s learn together! !

Course Advanced  10426

Course Introduction："Miaowei Classroom JavaScript Video Tutorial" will introduce you to JavaScript in detail. JavaScript is a literal scripting language and a scripting language widely used in client-side Web development. Currently used by millions of web pages to improve design, validate forms, detect browsers, create cookies, and more.

Course Elementary  18932

Course Introduction：Take you to quickly get started with jquery

Course Elementary  16802

Course Introduction：CSS3 is an upgraded version of CSS technology, and CSS3 language development is developing towards modularity. "Miaowei Classroom CSS3 Video Tutorial" is for those who have CSS experience, it allows you to systematically learn the overall changes of CSS3, quickly master and understand the similarities and differences, and use it in your own study and work.

Course Introduction：The method for java to determine whether a class is a subclass or parent class of a certain class is: 1. [Class c = ArrayList.class]; 2. [c.isAssignableFrom(List.class)] to determine whether c is a child of the List class class or parent class.

2020-02-04 comment 0  4549

Course Introduction：When you define a class, you define a blueprint of data types. This doesn't actually define any data, but it defines what the name of the class means, that is, what an object of the class consists of and what operations can be performed on this object. Objects are instances of classes. The methods and variables that make up a class become members of the class.

2016-12-26 comment 0  1233

Course Introduction：Cloud Class is a free interactive classroom teaching tool, so how do you check the Cloud Class number? How to check the cloud class number in cloud class? Let the editor give you the answer below! **How ​​to check the cloud class number in cloud class? ** Ask the teacher or teaching assistant: Teachers can view and tell students their class number. Teaching assistants can also view and share class numbers. Face-to-face classes posted by teachers on Lan Mo Cloud: Teachers may post face-to-face class information on Lan Mo Cloud, including class numbers. Students can follow the information to obtain the class number. Course circle or classroom picture: Enter the cloud class software and click "Discover" - "Course Circle". Select the circle of interest and click "All." Check the class pictures or information posted by the teacher or teaching assistant to get the class number.

2024-09-03 comment 0  699

Course Introduction：In PHP, you will encounter a situation where the subclass inherits the parent class, but needs to extend the properties and methods of the parent class to a certain extent. At this time, the subclass can rewrite the properties and methods to cover the same name as the parent class. Attributes and methods, but if the method of the parent class contains a lot of content, such as hundreds or thousands of lines of code, then you only need to use "parent class name::method" or "parent::method" to call the parent class The overridden methods are to reload the parent class and then add the statements that need to be extended. Method overriding <?php class Person{

2017-03-25 comment 0  1668

Course Introduction：I have a class that extends another class. Based on the user's input, if "a" is entered, the class needs to be subclass a, but if "b" is entered, the class will be subclass b. I have a variable that needs to be made into the main class. I can't access the subclass's methods because the variables I define are from the main class. How can I make it work? Here is an example of decomposition. The myclass variable is used elsewhere, so I need it to be available as a subclass everywhere. publicclassProgramm{privatestaticMainClassmyClass;publicstaticvoidmain(Stringa

2024-02-09 comment 0  596