AJAX dynamically obtains values from the database through manual splicing and dynamically splices the spliced JSON to the front-end page——AJAX

<!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Title</title> </head> <body> <script type=”text/javascript”> window.onload = function () { document.getElementById(“show”).onclick = function () { var ajax = new XMLHttpRequest(); ajax.onreadystatechange = function () { if(ajax.readyState === 4) { if(ajax.status === 200) { var fromJava = ajax.responseText; var json = JSON.parse(fromJava); console.log(json); var html = “”; for (var […]

Unity data reading | (4) Json file parsing (Newtonsoft.Json, Litjson, JsonUtility, SimpleJSON)

Directory 1 Introduction 2. Advantages and Disadvantages 3. Analysis 3.1 Newtonsoft.Json 3.1.1 Download address 3.1.2 Advantages and Disadvantages 3.1.3 Analysis 3.2 listjson 3.2.1 Download address 3.2.2 Advantages and Disadvantages 3.2.3 Analysis 3.3 JsonUtility 3.3.1 Advantages and Disadvantages 3.3.2 Analysis 3.4 SimpleJSON 3.4.1 Download address 3.4.2 Advantages and Disadvantages 3.4.3 Analysis 4. Summary 1. Preface A […]

VSCode runs c++ program (operation + detailed explanation + json file configuration detailed explanation)

Preface: Because the quality of online tutorials varies, I felt very confused when I first came into contact with this thing. I hereby write this blog to help my friends solve the problem. Table of Contents 1. Operation details 1Download VSCode code editor 2Install C/C++ extension 3Install the MinGW-w64 compiler 4Add path 5 Test whether […]

Cross-domain: Use JSONP and WebSocket to achieve cross-domain access

Cross-domain basic knowledge points: Cross-domain knowledge points Four ways for iframe to achieve cross-domain: Four ways for iframe to achieve cross-domain Note: The virtual host used in this article is also configured in the iframe above. Table of Contents JSONP cross domain Introduction to JSONP Cross-domain experiments: WebSocket cross domain Introduction to websockets Cross-domain experiments […]

Solution to the mismatch between the field name in the JSON string and the field name in the Java class (use of @JsonProperty(“”) and @JSONField(name = “”))

1.1 Background 1.1.1 The so-called background, that is, what is the purpose and reason for writing this blog? Recently, I encountered a very strange requirement at work. I used WebService to adjust a third-party interface, but the return value of the third-party interface was an Xml structure. It was not surprising at first. But then […]

Problems in implementing deep copy using JSON method

In today’s front-end interviews, deep copies appear very frequently. Among the general questions, you may first be asked, what is deep copy, and what are the ways to implement deep copy? You may answer a few points, such as through JSON.strinfy and JSON.parse provided by the JSON object, because this This implementation method is extremely […]

JSON operations in MySQL

JSON operations in MySQL introduction 1. Create tables and add data 2.Basic query 2.1 General json query 2.2 Multiple condition query 2.4 Related table query 3.JSON function operation 3.1 ->, ->>Differences 3.2 JSON_EXTRACT function: return the desired fields from json 3.3 JSON_CONTAINS(): Whether JSON format data contains specific objects in fields 3.4 JSON_OBJECT(): Convert a […]

Passive scanning jsonp recognition based on Yak

Author: @shangzeng master What is JSONP hijacking vulnerability Websites with different domain names cannot transmit data due to the same origin policy (same protocol, same domain name, same port), but at some point we need to transmit data across domains. At this time, jsonp was born as one of the cross-domain methods. Because the three […]

SpringBoot uses JsonSerializer and Aop to achieve controllable data desensitization

This is a community that may be useful to you One-to-one communication/interview brochure/resume optimization/job search questions, welcome to join the “Yudao Rapid Development Platform” Knowledge Planet. The following is some information provided by Planet: “Project Practice (Video)”: Learn from books, “practice” from past events “Internet High Frequency Interview Questions”: Studying with your resume, spring blossoms […]

[Vulnerability Recurrence] fastjson_1.2.24_unserializer_rce

Thanks to the Internet for sharing knowledge and wisdom. In a society ruled by law, please abide by relevant laws and regulations Article directory 1.1. Vulnerability description 1.2. Vulnerability level 1.3. Affected versions 1.4. Vulnerability recurrence 1. Basic environment 2. Vulnerability detection 3. Vulnerability verification 1.5. In-depth utilization 1.GetShell Description Content Vulnerability number Vulnerability name […]