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Vector is like the Swiss Army knife of C++ STL container. Bjarne Stoutsoup has a saying – "generally, if you need a container, use vector". Ordinary people like us regard this sentence as truth and just need to do the same. However, like other tools, vector is just a tool. It can improve efficiency and reduce efficiency. In thi ...

1. Create a thread Creating a thread is relatively simple. Instantiating a thread object with std thread completes the creation. Example: 1 #include <iostream> 2 #include <thread> 3 using namespace std; 4 5 void t1() //Ordinary functions used to execute threads 6 { 7 for (int i = 0; i < 20; ++i) 8 { 9 ...

Recently, I'm thinking about the implementation principle of some software and studying how those popular software are developed. It's quite interesting. Reviewing the software used every day, I found that the most commonly used software should be communication software, such as wechat and nailing. So I wondered how these communication software ...

catalogue iterator range start,stop step Mathematical correlation function Binary correlation sorted map reduce filter iterator #Iterators are objects that can remember where to access traversal as a way to access collection elements #Access starts from the first element of the collection until all the elements in the lead col ...

Java object-oriented package and inheritance ⚡ Preface ⚡ ️ This article records the blogger's study of the object-oriented part and introduces you to the basic knowledge of Java - package and inheritance. The subsequent content will be continuously updated. (please understand that the first half of se basic grammar has not been updated due t ...

After I first knew the pointer, I started the advanced pointer. In this part of the advanced pointer, I came into contact with a lot of knowledge about pointer. Pointer is really the essence of C language 1, Character pointer Among the types of pointers, it has been known that there is a pointer type called character pointer char* General u ...

Technical work should be rewarded Like and watch again to form a habit hutool actual combat (take you to master various tools inside) directory Purpose: IO tool class (common operation of stream) Usage scenario The IO tool class is only used to read and write auxiliary streams and is not responsible for closing streams. The reason is th ...

1. Get to know node js 1. What is a node js Node.js is a JavaScript running environment based on Chrome V8 engine. Node.js official website address: https://nodejs.org/zh-cn/ .2. Node. JavaScript running environment in JS .3. Node. What can JS do        Node. As a JavaScript running environment, JS only prov ...

catalogue 5, Random reading or input of files: 5.1 fseek function: 5.2 # ftell function: 5.3 rewind function: Vi Text and binary files: VII Determination of the end of file reading: 7.1 wrong use of feof function: 7.2 # how to judge whether the file reading is finished: 7.2.1 text documents: 7.2.2 binary file: 7.3 # use of feof funct ...

I. Introduction to SSM framework SSM framework is the acronym of Spring + Spring MVC + MyBatis. It is the mainstream Java EE enterprise framework after inheriting SSH. It is suitable for building various large-scale enterprise application systems. As shown in the figure: 1, What is Spring Spring is an open source framework. It is a ligh ...