Programmer Think

Using visual VM to remotely monitor the server status (graphical interface) Purpose: View the current tomcatcup, number of threads, and heap usage All threads can be viewed in the background if the current thread card is referenced View current GC status The stack and heap can be sampled to check memory overflow and other problems H ...

During my recent internship in the company, I came to share my technology again. After reading what you shared before, I couldn't think of what to share for the moment. I was worried I suddenly remembered that I was asked about axios during my first internship, so I came to study systematically to see if there was anything I could share. 1, W ...

I'm a ballad. It's easy to give up, but it must be cool to insist 1 Preface Based on my own work experience, if you have any unreasonable points, please make complaints about it. 2 Definition What does the background management system add, delete and modify a page? Is it a bit like that? There is no duplicate definition 3 first contact w ...

preface JavaScript prototype and prototype chain have always been the focus and difficulty of interview, which is not so easy to understand. text Understanding several key points of prototype makes it easier to understand the concept of prototype: 1. All reference types (arrays, objects, functions) can freely extend attributes (except null) ...

The concept is the same as that of "data driving of test steps" in "UI automation test framework". The data driving of test steps in the interface is to encapsulate the parameters of the interface (such as method, url, param, etc.) into Yaml file management. When the test steps change, you only need to modify the configurat ...

There is no perfect program in the world, but we are not depressed because writing a program is a continuous process of pursuing perfection. -Hou's workshop Paging search results By default, the search returns the first 10 hits. To browse a larger set of results, you can use the from and size parameters of the Search API. The from param ...

Is it enough for WeChat and Alipay to pay for it? Why do we have to pay another apple? Which boss can stand the superfluous thing and apple pays 30% of the money? Is the boss willing to pay for apple? No, Apple's IOS market is too mandatory. If there are virtual goods transactions in the app, they all need to be paid by apple, otherwise they wi ...

​ Preface: This paper shares a visualization code of feature map I use.   Welcome to the official account. CV technical guide , focusing on the technical summary of computer vision, the latest technology tracking, the interpretation of classic papers and CV recruitment information.   The words written in the front Feature graph visualization ...

Continued: Detailed explanation of a beautiful 3D Earth production process based on ThreeJS (Part I)3D Earth achievement displaygithub warehouse address: https://github.com/RainManGO/3d-earthnpm: https://www.npmjs.com/package/3d-earthSupport vue/react/html, easy to embed.Implementation processDecomposition implementation steps:ThreeJS environm ...

The finishBeanFactoryInitialization method in the eighth part of Spring source code analysis is to initialize the singleton beanA profound interpretation of the seven thousand word long article, how to initialize the singleton bean in Spirng, and how does Spring solve the circular dependency most often asked in the interview?Today, the most imp ...