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Java_ Self writing byte buffer stream for data transmission I. byte buffered output stream ​        java.io.BufferedOutputStream extends OutputStream BufferedOutputStream: byte buffered output stream. Common member methods inherited from parent class: public void close(): close this output stream and release any system resources associated ...

netty(3) – stick pack and half pack problem What is TCP sticky packet and half packet? Suppose the client sends two data packets D1 and D2 to the server respectively. Since the number of bytes read by the server at one time is uncertain, there may be the following four situations. The server reads two independent data packets, D1 an ...

I want to make a small gift for my girlfriend A few days ago is Valentine's day. It's too vulgar to send dolls. I want to use my knowledge. After all, I'm still half a programmer. Customize a daily email for my girlfriend. Learning materials for programming: Click to get them for free Decomposition task Let's break down the task. We need to: ...

Object oriented overview First, what is object-oriented? Object oriented is relative to process oriented. It refers to organizing relevant data and methods into a whole, and modeling the system from a higher level, so as to be closer to the natural operation mode of things. Transformation from process oriented to object-oriented t ...

Impact Version Thinkphp6.0.0~6.0.2 Environment Setup Phpstudy: OS: WindowsPHP: 7.3.4ThinkPHP: 6.0.1 Create a test environment: composer create-projec topthink/think:6.0.* tp6.0.1 Then enter composer.json modifies "topthink/framework": "6.0.1" and executes composer update Create entry points: app/controller/Index.p ...

Catalog 01. Basic concepts: program, process, thread 1.1 Processes and Threads  ​ 02 Thread Creation and Use 2.1 Thread class Two ways to create threads in the 2.2 API 2.2.1 Mode 1 inherits the Thread class ​ 2.2.2 Exercise Common methods in the 2.2.3 Thread class 2.2.4 Thread Scheduling 2.2.5 Implementing Runnable Interface 2.2. ...

Start time: February 22, 2022 Node: MVC curriculum Interceptor Interceptor: 1) Interceptor is a kind of spring MVC, which needs to implement the HandlerInterceptor interface. 2) Interceptors are similar to filters, with different functional directions and emphases. Filters are used to filter request parameters and set coded character sets. Th ...

catalogue Constructor: Common methods: Format date using DateFormat Format dates using SimpleDateFormat Mutual conversion of date and date format string: Calendar Class Calendar and Date are tool classes that represent dates. They can be converted to each other. Common methods provided by Calendar Class: Constructor: Date (int year ...

python closures and decorators 1, What is a closure? 1. Scope of function First of all, let's understand the scope of a variable in python. python has its namespace for each variable. A function can only call the global global variable or its own local variable. With this in mind, what is a closure. 2. What is a closure? Simply put, a ...

@[TOP](Greedy Snake) Java development Snake games 1, Development ideas Set a certain size and immutable game window Draw the basic panel style of the game on the created window Draw a static snake using the saved material icon in advance Enable the snake to move; In fact, only the snake head coordinates need to move, and each body sectio ...