Reflect - Related information

  • How does golang get the underlying type name?

    how does golang get the underlying type name? give an example: func Hello(w http.ResponseWriter, r *http.Request) { io.WriteString(w, "hello") } h := http.HandlerFunc(Hello) http.HandleFunc(" hello", h) here through reflect...

    Jun.07,2022
  • Get an entity class field in java and then get one of its annotations, and then how to get the properties set in the annotations on this field?

    for example, demo2 comment: @Retention(RetentionPolicy.RUNTIME) @Target({ElementType.FIELD, ElementType.METHOD}) public @interface Demo2 { int max() default 100; int min() default 1; boolean isNotNull() default true; } now only the annot...

    Jun.25,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bf29c0-54a6e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1bf29c0-54a6e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    Need Help?