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Java multi-interface call: How to ensure that interface A is executed before interface B is executed?

State synchronization between Java multi-interface calls: How to ensure that interface A is called after it is executed? In Java development, you often encounter multiple calls...

Apr 19, 2025 pm 07:54 PM

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In Java programming, how to stop subsequent code execution when student ID is repeated?

How to stop subsequent code execution when ID is repeated in Java programming. When learning Java programming, you often encounter such a requirement: when a certain condition is met,...

Apr 19, 2025 pm 07:51 PM

Ultimate consistency: What business scenarios are applicable to? How to ensure the consistency of the final data?

In-depth discussion of final consistency: In the distributed system of application scenarios and implementation methods, ensuring data consistency has always been a major challenge for developers. This article...

Apr 19, 2025 pm 07:48 PM

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After the Spring Boot service is running for a period of time, how to troubleshoot?

The troubleshooting idea of SSH connection failure after SpringBoot service has been running for a period of time has recently encountered a problem: a Spring...

Apr 19, 2025 pm 07:45 PM

操作系统工具内存占用

How to push the video stream of Hikvision camera SDK to the front-end Vue project for real-time playback?

How to push video streams from Hikvision camera SDK to front-end Vue project? During the development process, you often encounter videos that need to be captured by the camera to be circulated...

Apr 19, 2025 pm 07:42 PM

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How to limit access to access_token via OAuth2.0 scope parameter?

How to use access_token of OAuth2.0 to restrict interface access permissions How to ensure access_token when authorizing using OAuth2.0...

Apr 19, 2025 pm 07:39 PM

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In Spring Boot Redis, how to solve the problem of returning garbled codes?

SpringBootRedis gets the key garbled problem analysis using Spring...

Apr 19, 2025 pm 07:36 PM

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How to ensure consistency of output when using JSONObject and Map for data serialization?

How to ensure consistency when using JSONObject and Map for data serialization? When processing JSON data, we may encounter using different methods for sequences...

Apr 19, 2025 pm 07:33 PM

How do Java regular expressions efficiently extract specific URLs in HTML text?

Tips for extracting specific text by Java regular expressions In Java development, it is often necessary to extract the parts we are interested in from a large amount of text data. Regular...

Apr 19, 2025 pm 07:30 PM

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In the development of the separate version of Ruoyi backend, why does the IDE report an error but does not affect the program execution?

Regarding the issue of obtaining front-end data from the Ruoyi version backend When using the Ruoyi version development project, you often encounter the problem of obtaining data from the front-end and entering the back-end...

Apr 19, 2025 pm 07:27 PM

解决方法为什么

How to dynamically configure entity class annotation parameters using easypoi.excel library in Java to suit different environments?

How to dynamically configure entity class annotation parameters in Java? In Java development, we often encounter the need to dynamically configure certain parameters according to different environments...

Apr 19, 2025 pm 07:24 PM

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Why does the browser fail to correctly process the 401 status code when developing a WebSocket server using Netty?

在使用Netty开发WebSocket服务器时，可能会遇到浏览器在尝试连接时未能正确处理服务器返回的401状态码的情况。 �...

Apr 19, 2025 pm 07:21 PM

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Java compilation failed: What should I do if the javac command cannot generate the class file?

Java compilation failed: Running window javac command cannot generate class file Many Java beginners will encounter this problem during the learning process: running window...

Apr 19, 2025 pm 07:18 PM

操作系统 java编译器

How to correctly divide business logic and non-business logic in hierarchical architecture in back-end development?

Discussing the hierarchical architecture problem in back-end development. In back-end development, common hierarchical architectures include controller, service and dao...

Apr 19, 2025 pm 07:15 PM

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