Programmer Think

1, Vue element admin 1. Introduction Vue element admin is a background management system integration scheme based on element UI. Function: https://panjiachen.github.io/vue-element-admin-site/zh/guide/# function GitHub address: https://github.com/PanJiaChen/vue-element-admin Project online preview: https://panjiachen.gitee.io/vue-element ...

Software installation VSCODE There are three installation methods, as follows: stay vscode official website Download the required version and install it directly.Search and install in the software center under ubuntu (the easiest installation, recommended): Install using apt: wget -q https://packages.microsoft.com/keys/microsoft.asc -O- ...

How in reactor Based on? Is how to use reactor as a server and realize the business of the server. Based on reactor , realize simple http protocol encapsulation. Just to illustrate how reactor does business, the business logic of the real http server is very complex. The core of the server network layer, such as nginx and redis, is epoll, and ...

The files class in Java NIO (java.nio.file.Files) provides a variety of methods to operate files in the file system.Files.exists()Files. The exits () method is used to check whether the given Path exists in the file system. It is feasible to create a Payh that does not exist in the file system. For example, if you want to create a new directory ...

preface After consulting the official documents of mybatis plus, I found that there were only a few words and no examples for multi table joint query. I had to figure out how to use mybatis plus for multi table joint query. The way of using xml is too redundant, so after checking the use of annotations, we decisively choose to use annotations. ...

Basic tutorial of C + + operator overloading The so-called overloading is to give new meaning. Function Overloading allows a function name to have multiple functions and perform different operations in different situations. Operator Overloading is also a truth. The same operator can have different functions. In fact, we have unknowingly used ...

Question 1: Force deduction 232 questions Problem solving ideas: This is related to the characteristics of stacks and queues. As we all know, stacks meet the requirements of "first in and last out", while queues meet the requirements of "first in and first out", so smart humans think of using two stacks to realize queues. ...

Give you an integer array numbers with subscript starting from 1. The array has been arranged in non decreasing order. Please find two numbers in the array that meet the sum of addition and equal to the target number target. If the two numbers are numbers[index1] and numbers[index2] respectively, then 1 < = index1 < index2 < = numbers ...

1, Basic concepts of tree Definition of tree: Tree is a nonlinear data structure. It is a set with hierarchical relationship composed of n (n > = 0) finite nodes. It is called a tree because it looks like an upside down tree, that is, it has its roots up and its leaves down. It has the following characteristics: There is a spec ...

preface Quartz - task scheduling (I) from getting started to understanding all the concepts of quartz Quartz - task scheduling (I) from getting started to understanding all the concepts of quartz I SpringBoot integrated Quartz 1. Dependence If the SpringBoot version is 2 After X, the spring boot starter has included the dependency of Qu ...