Programmer Group

Vue3.0 basic summary 2-year development, 99 contributors, 2600 submissions, 628 pr, 41% reduction in packaging volume, 55% faster initial rendering, 133% faster update, and 54% reduction in memory usage Deficiencies of Vue2.x Global API is easy to pollute the global environment Mixin disadvantages: naming conflict, unclear variabl ...

Overview of this article Based on IUnknown, we can develop external interfaces of services or functions. The essence of interface implementation is the conduction of function address and function call. Therefore, IUnknown is particularly important in the basic code of M-core and A-core system service development framework. A component publ ...

Streaming IO is a traditional IO, which reads information from one place and outputs it to another place by constructing input and output streams. Common are reading files and writing files. Basic API The lost IO can be basically divided into two sects, an old IO represented by InputStream and OutputStream and a new IO represented by Reader and ...

In this article, you can learn: Implement your own Vue routerLearn what Vue plug-ins are Learning the notes made by the boss of station b and the implementation of the source code 1.1.3 take you step by step to understand the core principle and implementation of Vue router_ Beep beep beep_ bilibili Use the official Vue router Initialize ...

1, Overview of arrays 1. Understanding of arrays:                  An array is a collection of multiple data of the same type arranged in a certain order, named with a name, and managed uniformly by numbering. 2. Array related concepts:     &nb ...

Background: judge whether there is a pig in the vehicle in the video returned by on-board monitoring Solution: do object recognition in the returned video. If there is a pig, frame it and give a representative value day1 2021-10-27 Imagine: object recognition and frame it in the figure 1. Align the sample In the beginning, there was no con ...

Introduction to computer C language must see and review the simple knowledge points of C language @ Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it preface How to enter the computer industry starts with this article. 1. Why learn c l ...

1, Overview of IO IO stream overview This data transmission operation can be regarded as a data flow, which is divided into Input and Output according to the flow directionIO operations in Java mainly refer to the use of some common classes under the java.io package. These common classes are used to read (Input) and write (Output) data ...

TSP problem, also known as traveling salesman problem and salesman problem.         Problem Description: in the given city map, the traveler is required to travel through all cities, and each city can only be visited once, so as to find the shortest path for the traveler to travel through all cities.       ...

I failed to install Mysql on Linux for many times, which was very painful. So I wrote a Mysql installation tutorial at night, hoping to avoid detours in the installation! 1, Package installation        1,   First, prepare a clean Linux server, which should be emphasized here. Don't miss the Bug [root@VM-0-2-centos ...