multiline comment

Module what is a module: Files that include Python code are called Modules 1. The role of the module: sharing, easy to use 2. Creation, installation and release of modulesa. Put the module file in a directoryB.Add the setup.py file to this

First, the development environment to build:(a), introduction to the Java language:1. Introduction to the Java language:(1) What is Java:java is a computer programming language. It is a computer programming language, it is a software development

Basic PHP syntaxThe PHP script can be placed anywhere in the document.PHP scripts start with and End with ?> ;PHP files usually contain HTML tags and some php script code.notes: The PHP statement ends with a semicolon (;). The close tag of a PHP

First, the key wordC language provides a special meaning of the symbols, a total of 32.Keywords are all highlighted in Xcode and all keywords are lowercase. such as return, int, and so on.Second, identifiersDefinition: Identifiers are some of the

First, install the JDKDownload a JDK, install it, and remember the path to the installationSecond, the Environment configurationThis computer--properties--Advanced system settings--environment variablesNew system Variable: variable java_home value:

Create the 1~4 section folder before creating the HTML file:Section One: How JavaScript is introducedFirst introduce the internal introduction of two methods: JS script in and inside.JS script must be wrapped in inside: first included in

Python Features: Byte code, dynamic semanticsDefine the encoding: As long as the coding[:=]\s* is met ([-\w.] +). such as #coding = utf-8 #-*-coding:utf-8-*-"Double quotes inside script Document"#这里以后都是单行注释"""This is a multiline comment."""PYC

First, basic syntax of PHPPHP (hypertext preprocessor, hyper-text preprocessor) is a scripting language that runs on the server side.1.PHP Language Tags2.PHP Instruction SeparatorPHP needs to end with a semicolon after each statement (instruction)!3.

1. Defining Constants and variablesA. Swift syntaxConstant:10Variable:1B. Java syntaxConstant: Public Final int Maxnumber= 10;Variable: Public String name = "Morden";It is important to note that Swift has type notation (type annotation): If you want

DescriptionWhile using Python, we may need to use some other functions that others have written in addition to the built-in functions. Or the code we write is also expected to be available to others. To implement such a function, we need to define

First, the key wordC language provides a special meaning of the symbols, a total of 32.Keywords are all highlighted in Xcode and all keywords are lowercase. such as return, int, and so on.Second, identifiersDefinition: Identifiers are some of the

The purpose of defining the specification is to unify the code style of the project so that the program is readable.Name of package (all lowercase, defined by domain name)The Java package name is made up of lowercase words. However, due to the Java

One, Java code commentA single line of comments (//..... ...). ....... ）Multiline Comment (/*...................*/)Document Comments (/**..............................*/Single-line comment shortcut key ctrl+/Second, operatorUnary operatorsBinary

DescriptionIn Linux, colons (:) are commonly used as PATH separators and data fields (/etc/passwd. In fact, the colon (:) is also a built-in command in Bash. It does not do anything. It is an empty command and only serves as a position, but

Key words Keywords: words that are given a specific meaning by the Java language. Keywords feature: The letters that make up the keywords are all lowercase. Caveats: 1.goto and const exist as reserved words and are not currently

Introduction to JavaScriptJavaScript is a literal-translation scripting language, which is a dynamic type, a weak type, a prototype-based language, and a built-in support type. Its interpreter, known as the JavaScript engine, is widely used as a

Python BASICS (str, list, tuple), pythontuple Python isStrong type of Dynamic InterpretationDefinition Language (compiled first and then explained) Dynamic Language When programming in a dynamic language, you never need to specify a data type for

1, Java operating mechanism, high-level computer programming language types are: compiled, interpreted, Java language is the two types of knotThe source file name: The main class name. java, using the compiler (JAVAC) to compile the source

In the idea of a new MAVEN project, then create a new MAVEN module, at this time in the module in the Src/main/java right-click New Java file, found that only new ordinary files can not create new Java class, what happened, and eclipse of the

I. Document Specification1, files are archived to the agreed directory. Specific requirements through the Watercress CSS specification to explain: All CSS is divided into two categories: general-purpose classes and business classes. A generic CSS