Disclaimer: The following method is not necessarily correct. It was written during personal study and has not been tested extensively. It is for reference only. There may be bugs and will not be changed for the time being. Description: In order to improve search efficiency, a database constructs a binary search tree (BST) for a […]
Tag: field
Why you should stop using field annotations in SpringBoot and use constructor injection instead
Stop using field injection in SpringBoot! This article is a translation, and I have added some of my own understanding. Translation source: https://medium.com In the context of Spring Boot dependency injection, there is a debate about best practices for injecting dependencies: field injection, setter injection, and constructor injection. ?In this article, we will focus on […]
MySQL traverses all fields of all tables to find character data
MySQL traverses all fields of all tables to find character data There are some data searches at work, but it is not clear which field in which library, which table, especially sensitive character search. If the amount of data is not large, we can solve the problem by traversing the entire library and characters in […]
Spring’s @FieldDefaults and @Data: Lombok annotations for cleaner code
Introduction As Java developers, we often find ourselves stuck in boilerplate code. Accessor methods, modifier methods, constructors, equals(), hashCode(), and toString() are essential, but take up a lot of space and distract from the core logic of the application. The Spring framework is widely used for building enterprise applications and is a fan of reducing […]
A method for Java to call GDAL to fuse polygon vector data with the same field attributes
Table of Contents 1. Write before the article 2. Implementation ideas 3. Implementation process 1. Open vector data 2. Generate fusion results 3. Do not fuse non-adjacent geometric figures 4. Write the merged geometry to a new layer 5. The effect of fusion 4. Complete example 1. Write before the article As shown in the […]
SpringBoot_mybatis-plus uses json fields
mybatis-plus uses json fields 1 Introduction 2.Program analysis 2.1 Why json 2.2 Database selection 3. Actual combat 3.1 Use text field (h2 database) 3.1.1 Table creation statement 3.1.2 Data operation and query 3.2 Using json fields (mysql database) 3.2.1 Table creation statement 3.2.2 Data operation and query 4. Appendix 4.1 MySQL JSON index usage 4.2 […]
Public field automatic filling, dish management
1. Public field filling 1.1. Problem analysis 1.2. Implementation ideas 1.3, Code Development 1.3.1, Custom annotations import com.sky.enumeration.OperationType; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; @Target(ElementType.METHOD) @Retention (RetentionPolicy.RUNTIME) public @interface AutoFill { //Specify the type of database operation through the enumeration type //UPDATE INSERT OperationType value(); } 1.3.2, Aspect class import com.sky.annotation.AutoFill; import com.sky.constant.AutoFillConstant; […]
Literature Review｜A review of the development of watermarking in the LM field
Foreword: I have been reading papers related to LM model watermarking some time ago. Here is a brief summary of the current research status in this field. For students who don’t understand model watermarking, it is recommended to read this blog first: Literature Review | Overview of the Development of Neural Network Watermarking in the […]
When the verification rules need to change according to conditions, use computed (a certain field contains multiple objects that need to be verified)
Requirement description: Verification form 1. When the area is mainland China, the mobile phone number is required but the contact number is not required; otherwise, the opposite is true. 2. Each email address should conform to the correct email format; when the warehouse type is a virtual warehouse, the email address is required, and in […]
ApiSix plug-in Basic-Auth adds a backup password field to achieve smooth password switching
ApiSix plug-in Basic-Auth adds a backup password field to achieve smooth password switching Introduction Technology stack introduction ApacheAPISIX Consumer Consumer Plugin Basic-Auth cause measure Modify the source code basic-auth.lua Modify consumer configuration test other instructions Introduction This article introduces how to add the backup password field backuo_password to the plug-in Basic-Auth in ApiSix to achieve […]