Programmer Group

catalogue Objectives: 1. Variable overview 1.1 what are variables   2. Use of variables 2.1 declare case variables 2.2. Assignment 2.3. Initialization of variables Case: use of variables: 3. Syntax extension of variables 3.1 updating variables 3.2 declaring multiple variables 3.3 special cases of declared variables 4. Naming s ...

Tips: In the previous article, I shared how to jump to a page. Today we will continue to talk about click events in detail. Tomorrow we will continue to share double-click events and long-click events   1. Click event There are four kinds of click events in HarmonyOS. Next, let's introduce the four kinds of click events and how to i ...

1, Abstract class 1. A class containing abstract methods is called an abstract class 2. Abstract methods. A method without specific implementation is modified by abstract eg: abstract class Shape { public int a; public void func(){ System.out.println("test"); } public abstract void draw(); } ·Abstract is ...

Preliminary ideas: Preprocess the prime number array [68] within 340 (because if the number greater than 340 is a composite number, it must be divided by the number within 340 (if not, it must be greater than 1e5). Then judge to decompose the prime factor. Just remove the prime number array one by one. Finally, if it is not 1, it will be the l ...

Welcome to my official account, reply to 001 Google programming specification.   O_o   >_<   o_O   O_o   ~_~   o_O   Hello, I'm Jizhi horizon. This paper introduces the method of compiling darknet and yolo training on ubuntu. 1. Compiling darknet 1.1 compiling opencv   I won't say much about the installation of cuda and ...

Many programmers try to write clean, intelligent code. However, sometimes, obsession with intelligence may make the code base more difficult to understand and may spend a lot of time reading and maintaining it. Nowadays, in teamwork, people gradually realize the significance of writing manual code, which means that you should respect others rat ...

Git Submodule management project sub module   Usage scenario When the project becomes larger and larger, it is inevitable to split into multiple sub modules. We hope that each sub module has independent version management and is maintained by special people. At this time, we need to use the sub module function of git. Common commands git clon ...

      1, Batch operation of Linux server with SSH command Xshell,FinalShell Log in to the server manually and click the deployment command to deploy Multiple machines are deployed to log in one by one, so if the number of machines is small, ssh command can be used. If there are many, it is recommended to use batch execution tools such as ans ...

Understanding of content type of POST submitted data;     Content type refers to the content encoding type when http/https sends information to the server. contentType is used to indicate the type of data stream sent. The server uses a specific parsing method to obtain the data in the data stream according to the encoding type. In ne ...

Hello, I'm Zhang Jintao.Kubernetes, as the cornerstone of the cloud, has brought us great convenience. More and more companies have also applied kubernetes to the production environment. However, while enjoying the convenience it brings, we also need to pay attention to some potential safety hazards.In this article, I will focus on container im ...