在Java开发中，对象的深拷贝是一个常见且重要的需求。尽管许多开发者习惯于使用一行代码：JSON.parse(JSON.stringify(obj))来实现深拷贝，但这种方法实际上存在着诸多潜在问题，甚至可能导致程序崩溃。本文将深入探讨这一方法的缺陷，并推荐几种更为可靠的深 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to find the length of a String in Java: Declare a variable of type String ...

起初我以为只能通过 Map 手动解析，但后来发现 Jackson 提供了 @JsonAnyGetter 和 @JsonAnySetter 这两个注解，专门用来处理这种“动态属性”。它们能让我优雅地把未知字段收集起来或者序列化出去，不影响已知字段的正常处理。 最近在处理一个 JSON 接口时，遇到 ...

Abstract: Based on the strong demand for independent control and the improvement of domestic databases, database localization has become an inevitable trend. In the process of migrating Oracle ...

Abstract: JavaScript Object Notation (JSON) has gained prominence over Extensible Markup Language (XML) due to its lightweight and flexible nature. This has also made it a first-class citizen when it ...

When working with dates and times in SQL Server, it’s common for formatting discrepancies to cause issues during query execution. To prevent errors, it’s crucial ...

The functionality I want to implement is to generate cpg from the source java file and convert it to json format, here is the code I used: def generate_cpg(java_file_path): # 生成 CPG shell_str = "sh " ...

This is my test case, I try to pass a LinkedHashMap into the context, perform the operation and finally convert it into a Java object as the execution result and ...