Problem Description
Recently, I found that the front-end and back-end separation project of vue developed by myself uses the spring security security framework. Even if some normal interfaces are called after successful login authentication, there will always be inexplicable 302 redirection problems, resulting in interface data not coming ...
Posted by nineseveninteractive on Mon, 16 Jan 2023 01:57:39 +0300
24. Exchange the nodes in the linked list two by two
Topic link: 24. Exchange Nodes in Linked List - Leetcode
encountered difficulties
None, but can't think of a recursive method
answer
1. Iterative method
After understanding the meaning of the question, it can be simply understood as the exchange of several numbers. Due to the speci ...
1. Write in front
In the front, we have learned the principle of parallel full sorting algorithm and double tone sorting algorithm and the writing of RTL code. In this article, we will continue to learn the classic sorting algorithm - bubble sorting algorithm, learn its principle and its Verilog implementation .
2. The principle of bubb ...
Posted by tryin_to_learn on Sun, 15 Jan 2023 15:02:24 +0300
Table of contents
· The role of key in virtual DOM
· Problems caused by using the index when traversing as the key
How to choose the key value during development
First of all, we know that one of the characteristics of React is: use virtual DOM + excellent Diffing algorithm to minimize interaction with real DOM. The impleme ...
Posted by mmtalon on Sun, 15 Jan 2023 13:51:13 +0300
Article directoryforeword1. The function of verification code1. Basic use of LazyCaptcha image verification code1. Installation package2. Configuration3. Injection3. use4. run2. Random verification code of LazyCaptcha image verification codeforeword1. The function of verification codeAs a means of man-machine identification, the verification co ...
Posted by The_Black_Knight on Sun, 15 Jan 2023 04:41:18 +0300
1. Introduction to Pinia
Pinia is a Vue-specific state management library that allows you to share state across components or pages.Pinia originated as an experiment to explore the next iteration of Vuex, and as such incorporates many ideas from the Vuex 5 core team discussions.mutation has been deprecated. They are often considered extremely ...
Posted by zeberdeee on Sat, 14 Jan 2023 16:08:32 +0300
forewordAfter the data is buried in the enterprise project, the buried event names need to be sorted into an Excel table for easy statistics. The goal is to convert the data on the left side of the figure below into the Excel table on the right side of the figure below:Considering that the buried point data on the left increases with the iterat ...
Posted by plaztic on Sat, 14 Jan 2023 10:08:33 +0300
MyBatis-Plus is an enhancement tool of MyBatis. On the basis of MyBatis, only enhancements are made without changes, and it is born to simplify development and improve efficiency.
1. Pre-work
1. Introduce dependencies.
<!--mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-p ...
Posted by petethepirate on Sat, 14 Jan 2023 05:38:08 +0300
A1&A2 Gardener and the Capybaras
Title meaning
Simple version: A1 Hard version: A2 A string contains only two letters a and b. Please divide this string into three non-empty strings so that the lexicographical order of the second string is the largest or the smallest. The data range of the hard version requires that the problem be solved ...
Posted by cbullock on Thu, 12 Jan 2023 20:11:38 +0300
When we write software, we may face a requirement, such as executing an expression of a conditional statement. It goes without saying that it is Easy to execute directly in the code. There is an application scenario, such as opening the condition and expression of if to the interface for editing by the user, mainly editing the expression of if, ...
Posted by drag0n on Thu, 12 Jan 2023 03:01:23 +0300