Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Matlab code implementation […]
Tag: move
JAVA: Object movement [Character version]
Record the Nth day of learning JAVA… First, we create a self-defined class. Of course, we can name it randomly. Here we inherit JFrame and implement the keyboard listener interface. JFrame can be understood as a window program in Windows based on the event loop. We mainly use this keyboard monitor… import javax.swing.*; import java.awt.event.*; […]
Web page restriction removal code (oil monkey plug-in) can kill most websites and remove restrictions on copying, cutting, text selection, and right-click menus.
// ==UserScript== // @namespace https://www.github.com/Cat7373/ // @name web page restriction lifted // @name:en Remove web limits // @name:zh Web page restriction lifted // @name:zh-CN Web page restriction lifted // @name:zh-TW Web page restriction lifted // @name:ja ウェブのRegulations are relaxed // @description Kill most websites and remove restrictions on copying, cutting, text selection, and right-click menus. […]
When the java backend returns data to the front end, attributes with empty or NULL values are removed and certain attributes are ignored.
Table of Contents 1. Usage scenarios 2. Environmental preparation 1. Introduce dependencies 2. Entity class 3. Example 1. Do not return null value (1)Method (2)Test (3)Explanation 2. Do not return some attributes (1)Method (2)Test 4. Jackson common annotations 1. @JsonProperty 2. @JsonPropertyOrder 3. @JsonInclude 4. @JsonIgnoreProperties 5. @JsonFormat 6. @JsonUnwrapped 1. Usage scenarios During the […]
Hash algorithm: How to prevent user information in the database from being removed from the database?
The article comes from the column of Wang Zheng, a former Google engineer at Geek Time. In the CSDN “de-database” incident in 2011, the CSDN website was attacked by hackers, and the registered email addresses and passwords of more than 6 million users were leaked in plain text. Many netizens were dissatisfied with CSDN’s behavior […]
Cocos creator 3.x develops RPG games from scratch (character map materials, joystick control of character movement, and scene obstacle judgment)
I have been lying down recently and haven’t done much writing about games. I have used NovelAi to burn the graphics card and draw girls. I used an RPG game I developed before to write a simple tutorial and short article. The approximate effect is as follows: The main contents of this article are as […]
Roslyn removes unnecessary using
Reasons When you add new code, VS will automatically add the corresponding using for you, but it will only add it for you and not subtract it for you. Because things in the UnityEditor namespace cannot be used at runtime. Even if you add it, an error will be reported to you during packaging unless […]
Moveit’s Low Level Controllers
Low Level Controllers MoveIt typically publishes motion commands from the manipulator to the joint trajectory controller. This tutorial assumes using MoveGroup to control the robot, rather than MoveItCpp or MoveIt Servo. The minimum setup is as follows: A YAML configuration file. We recommend naming this moveit_controllers.yaml to “tell” moveit which controllers are available, which joints […]
copy constructor, copy assignment operator, move constructor, move assignment operator
Hello everyone, my name is Xu Jintong, and my personal blog address is www.xujintong.com. I usually record the knowledge gained in the process of learning computers, as well as my daily tossing experience. Everyone is welcome to visit. When we use the copy constructor, if we accidentally use a shallow copy, it will be over […]
Let the data “move”: Python dynamic chart production!
In the process of reading technical blogs, we will find that many bloggers who can explain knowledge and results thoroughly can make dynamic charts. How do they make their pictures? Is it difficult? This article introduces a simple method of making dynamic charts in Python. In an era of explosive data growth, data scientists and […]