2020年

英文: Can we allocate memory for char * but return it as const char *? 问题 In the provided code example...

英文: Date extraction from file name in bash 问题 我有一个包含多个文件的目录，文件名的模式是abc12gddmmyyyy.zip。 我正在使用bash脚本工作...

英文: Updating date , but i got error message: "Trying to get property 'id' of non-object...

英文: Posting button values using ajax 问题 我正在尝试使用Ajax的POST方法将一个值发送到PHP脚本，但是我得到了以下错误消息： >注意：未定义索引：ga...

英文: std::remove_reference_t<std::remove_cv_t<T>> does the order matter? 问题 以下是翻译好的部分： &q...

英文: How to insert a value in Database when using MVC identity framework in AspNetUsers Table? 问题 以下是...

英文: Event with function components 问题 I have just started learning REACT and has taken some courses ...

英文: Failed executing DbCommand-Introducing FOREIGN KEY constraint 问题 Here's the translation of the c...

英文: How to add newline and concatenation in ternary conditional operator ? : in c++ 问题 Here's the co...

英文: Python throws 'ProgrammingError: 1045' when data is passed from YAML to connect with MYS...