Programming VIP

1, Introduction For a mature interface testing framework, log management is essential. In the development and debugging phase, logs can help us locate problems faster; During the operation and maintenance of the test, the log system can help us record most of the abnormal information. Usually, many test frameworks collect log information to mo ...

Previously, we have introduced two ways to access relational databases in Spring Boot: Using spring boot starter JDBCUsing spring boot starter data JPA Although Spring Data JPA is widely popular abroad, it is still the world of MyBatis in China. Therefore, in today's article, we will specifically talk about how to integrate MyBatis in Spri ...

preface Hello, I'm little P. this article is to share how to design a red envelope grabbing system. I hope it will be helpful to you. It mainly shows the design of the red envelope system. The red envelope algorithm is not the focus, so there is no implementation of double mean method. The scheme described below has been implemented. The code ...

Article introduction This article explains how java code is compiled into bytecode and executed on the Java virtual machine. It is very important to understand how java code is not compiled into bytecode and executed in the Java virtual machine, because it can help you understand what happens to your program at run time.This understanding can ...

Create type operator The creation operator is used to create an Observable object, Observable subject object and pop up data. RxJava has many creation operators, which are roughly as follows: (1) Create (): create an Observable topic object from scratch using the function. (2) defer(): Observable topic objects are created only when subscribe ...

1. Opening remarks When it comes to concurrent programming, the first impression in your mind may be Thread, multithreading, JUC, Thread pool, ThreadLocal and so on. Indeed, concurrent programming is an indispensable part of Java programming. Mastering the core technology of concurrent programming will be a sharp weapon in job interviews. Toda ...

1. Preface Hello, everyone In the daily process of dealing with Python, it is inevitable to involve data reading and writing business. For example, when doing crawler, you need to store the crawled data locally first, and then do the next step of processing; When doing data visualization analysis, you need to read the data from the hard disk ...

Hello, I'm glacier~~ Recently, I'm using SpringBoot+K8S to develop a microservice system. Since I use K8S, I don't want to use SpringCloud. Why? Because K8S itself provides very 6 technologies for service registration and discovery, current limiting, fusing, load balancing and other micro services, why should I access spring cloud? Well, after ...

Arouter frame structure There are annotation definitions and annotation processor related contents in arouter framework. Arouter itself can also be regarded as an example. Arouter API initializes arouter The Arouter framework uses static annotation processing. In order to adapt to multiple modules, it uses the moduleName suffix to gen ...

Basic concepts Edit distance issue: It is difficult to edit the distance problem, but the solution is very beautiful, and it is also a rare practical algorithmEdit the distance usage scenario: For revising the misplaced content of the article The article can only be modified by 20 words, and supports adding, deleting and replacing oper ...