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We start with this section with a very important tool, Docker Compose, which is used frequently. Let's start with a case study of why we use Docker Compose. Case study: How do I deploy a WordPress via a container? Now pull WordPress locally: docker pull wordpress docker image ls REPOSITORY TAG IMAGE ID ...

JavaScript Function (1) - Definition and Call of Function Label (Space Separation): JavaScript order A function is a piece of JavaScript code that is defined only once, but may be executed or called any time. JavaScript functions are parameterized: the definition of a function includes a list of identifiers called formal parameters tha ...

Read a lot of articles about agency, understand and organize them. 1. Basic Composition of Agency Abstract Roles: Declare common interfaces between real objects and proxy objects so that proxy objects can be used wherever they are used. Proxy roles: Proxy objects contain references to real objects so that they can be manipulated at any time. Th ...

We have learned the basics of xml and how to read it in C# in the second semester of C# (in-depth.NET platform and C# programming), but we haven't talked about how to manipulate and read xml in Java. Here I'll give you a brief introduction to several ways of parsing in Java for understanding.   1. Several ways to parse xml in Java 1.1 JDK Nativ ...

Upper segment We discussed how to get annotation information in reflective and reflective related classes. We also mentioned annotations many times in the previous chapters. What exactly are annotations? In Java, annotation is to add some information to a program, beginning with the character @, which is used to modify other code elements immed ...

This document addresses the following issues: 1. Simple data binding 1. Attribute binding Syntax: <%# Property Name%> Note: You need to call the DataBind method of the Page class to perform the binding operation 2. Expression Binding 3. Collection Binding 4. Method Binding     1. Attribute binding   (1) Create a new website w ...

Python decorators are very simple to use. Anyone who can use Python functions can learn to use decorators: Python @somedecorator def some_function():     print("Check it out, I'm using decorators!") Closures, but how to write decorators is another matter, and it's not easy. You have to understand the following: How to use function as firs ...

Set 18-19: Basic Usage of switch Statement, case Penetration, String Usage of switch in JDK7 Basic usage of switch statement The case tag of a switch statement can be an int or a type that can be converted to an int (byte, char, short) [strings can be used in JDK 7.0] Based on the value of the expression, a section of execution is selected fr ...

Three features of Java object-oriented inherit Keyword: extends Concept: Inheritance mechanism is an indispensable key concept in object-oriented programming. It is the foundation of software reuse and the main way to improve the scalability and maintainability of software systems. Inheritance means that the definition of a class can be b ...

Python Fundamentals A programming language What is a programming language?The above-mentioned expression that can be recognized by computer is programming language, which is the medium of communication, and programming language is the medium of communication between programmer and computer. In the world of programming, computers are more like ...