Programmer Group

In this series, I translated a series of articles written by the developers of collaborative process and Flow, in order to understand the reasons for the current design of collaborative process, Flow and LiveData, find their problems from the perspective of designers and how to solve them. pls enjoy it.This article is the first to analyze the r ...

1, Atomic operation class in JUC 1. Introduction to atomic classes in JUC What is atomic operation? atomic means atom in Chinese. In chemistry, we know that atoms are the smallest unit of general matter and are inseparable in chemical reactions. Here, atomic means that an operation is non interruptible. Even when multiple threads execute to ...

A personal email website (built based on SpringBoot environment) At present, you can only send some simple content. If you have any good suggestions, you can comment!! I am still studying Source address: https://gitee.com/mehao123/sendMail/tree/master effect Main interface before login Login interface Main interface after login Se ...

[Day11] three times a day subject NC58 finds two switching nodes (esay) in the binary search tree describe A binary tree was originally a search binary tree, but two nodes changed their positions, so that the binary tree is no longer a search binary tree. Please output the values of the two wrong nodes in ascending order. (each node has ...

On the day of the bright moon, I don't know if you miss anyoneprefaceI've actually written it before Spring boot sends mail asynchronously However, today, when I need to send e-mail in a small project, I suddenly feel that there is only one sender of e-mail, and it is very inappropriate to write it in the yml file, so I think about how to integ ...

1, JSON overview JSON refers to JavaScript Object NotationJSON is a lightweight text data exchange formatJSON is language independent: JSON uses Javascript syntax to describe data objects, but JSON is still language and platform independent. The JSON parser and JSON library support many different programming languages. At present, many dynamic ...

On the day of the bright moon, I don't know if you miss anyone preface I've actually written it before Spring boot sends mail asynchronously However, today, when I need to send e-mail in a small project, I suddenly feel that there is only one sender of e-mail, and it is very inappropriate to write it in the yml file, so I think about how to ...

Official Python column article 36, students stop, don't miss this article starting from 0! Previously, I wrote other functions such as file reading and file processing, which used the os library. Originally, I wanted to share the os library. I found that this library may be difficult for beginners, so I'll talk about it later at an appropri ...

Given three numbers, find their maximum or minimum (tentative) cause Recently, I found this kind of question type in brushing questions and laying the foundation Title Description Write a program, input a, b and c, and output the maximum value. input A row array, a b c output a b c where the largest number sample input 10 20 30 sample output ...

I. Preface With the continuous refinement of system module layering, the conversion of various objects is inevitably involved in the daily development of Java, such as DO, DTO, VO, etc. writing mapping conversion code is a cumbersome, repetitive and error prone work. With the help of a good tool, it not only reduces the workload, improves the ...