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First interface The previous article of this project wrote how to add a background picture to the GUI interface. Now use the background of the previous article to make the first interface of the project. And I also added various listener functions to the buttons on the interface. Development tool: ideaIU-2021.1.2 Development environmen ...

MONGDB installation and use Let's review what we shared last time: How to use log packagePrinciple and implementation of log packageCustom log If you are still interested in GO's log package, you can check the article How to play GO's log? Today, let's play a simple mongodb installation and use Introduction to MONGODB MongoDB is a databas ...

0. Project construction As usual, let's build a new project first   configuration   The project is a little messy. The name of the project is what we call it   mybatis-03-mapper   Well, the imported dependencies are the same as before, and then simplify the previous code. The copied project structure and documents shall be ...

Title Description Given the training data set (pictures of cats), let's build a simple neural network to identify cats. Dataset description There are 209 pictures in the training set, and the shape of each picture is (64, 64, 3) There are 50 pictures in the test set, and the shape of each picture is (64, 64, 3) classes stores two string data ...

Looking back on my last blog, I mainly shared with you the basic syntax of GO language, including variable definition, basic types, conditional statements and circular statements. Then this article starts to synchronize with you the advanced level of GO language foundation.Definition of functionIn fact, some functions have been written in many ...

Steps: 1) Find out what variable parameters can represent a recursive state, that is, once the parameters are determined, the return value is determined 2) All combinations of variable parameters are mapped into a table. One variable parameter is a one-dimensional table, and two variable parameters are Is a two-dimensional table 3) The fina ...

1. Introduction to Spring MVC 1. What is MVC MVC is the idea of a software architecture that divides software into models, views, and controllers M:Model, the model layer, refers to the JavaBean in a project and is used to process data JavaBean s fall into two categories: A class called entity class Bean: Stores business data specifica ...

Chapter VII         Features of Java language classes 7.1 private and public members of class 7.1.1 private members If there is no mechanism to restrict access to members in a class, it is likely to cause incorrect input. To prevent this from happening, the Java language provides the access control character private. Af ...

Newly learned knowledge points (1) Get data          Obtain web page json data according to Postman (F12)   ALL    )， Stored in IDEA and formatted by Ctrl+Alt+r           Before that, you need to replace the beginning {"ret":   0   "da ...

Title: Given a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Given a string s, reverse the character order of each word in the sentence while still retaining the spaces and the original word order. Example 1: Input: s = "Let's take LeetCode contest" Output: ...