Programmer Think

Hello, bald men. Let's talk about the template today Key points of this chapter Generic Programming Function templateClass template Generic Programming How do we usually exchange two numbers? Obviously, we'll write a swap function void Swap(int& left, int& right) { int temp = left; left = right; right = temp; } void Swap(d ...

When learning C language, we all wrote a function called swap, which is used to exchange the values of two variables. Like this. void Swap(int& left, int& right){ int temp = left; left = right; right = temp; } void Swap(double& num1, double& num2){ int tmp = num1; num1 = num2; num2 = tmp; } ... We fou ...

https://www.jianshu.com/p/a2bd89e0d24b If you want to do well, you must sharpen your tools first. Let's install relevant tools first jmeter I demonstrated it on mac, so I'll install brew first ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 2> /dev/null Using brew to install jmeter brew instal ...

Refer to Niuke advanced project tutorial 1. Write Kaptcha configuration class Environmental preparation Import kaptcha package. Since there is no package related to spring, you need to configure it into spring <!-- Registration code configuration--> <dependency> <groupId>com.github.penggle</groupId> ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 In depth Mybatis framework After learning Spring, we have learned how to manage a class as a Bean by the IoC container, that is, now we can us ...

1, Introduction to Express Express is a simple and flexible node JS Web application framework provides a series of powerful features to help you create various Web applications and rich HTTP tools. Using Express, you can quickly build a fully functional website. Core features of Express framework: Middleware can be set up to respond to HT ...

1. Polymorphism 1. What is polymorphism? (inheritance is the premise of polymorphism) Polymorphism refers to various forms in popular terms. Specifically, it refers to completing a certain behavior. When different objects complete it, different forms will be produced. At the code level, each object of the subclass is also the object of th ...

Hello, everyone. I'm safe and sound. Each Preface Blog home page: Safe and sound Author introduction: 2021 blog star Top2 Our slogan: 🌹 Little bit, big dream 🌹 Author's request: due to the limited level of bloggers, it is inevitable that there will be mistakes and inaccuracies. I am also very eager to know ...

1, Node JS multi process We all know node JS runs in a single thread mode, but it uses event driven to handle concurrency, which helps us create multiple sub processes on a multi-core cpu system to improve performance. Each child process always has three flow objects: child stdin, child. Stdout and child stderr. They may share the stdio fl ...

catalogue 1. What is a memory leak 2. How to avoid memory leakage 3. Why is there a smart pointer 4. Use and principle of intelligent pointer 4.1RAII 4.2 classes designed with RAII idea 4.3 implementation of intelligent pointer 5. Summary 1. What is a memory leak 1. Memory leak: memory leak refers to the situation th ...