Web Notice
Forward (Chuyển tiếp) & Redirect (điều hướng)
Forward : When request of brower send to Servlet, it can forward request to a page other or servlet orther. notice address of URL in brower user still is adress of page the first, but content of page is view page is forwarded. Page forward is page (or servlet) in application not outside.
Redirect : When request of brower send to Servlet A, servlet A can redirect request to servlet other or page other and done reposibility of servlet A.
Example:
Error Code Status
301: Moved Permanently (chuyển hướng vĩnh viễn) address old to address new
401: if not logged-in or session expired
403: if user not have permission to access resource
404 : not found resource
0 comments :
About Me

- Peter
- Tân An, Long An, Vietnam
- Hello everyone, I love programming, I love making friends with people all over the world.
Contact
Popular Posts
-
The one of Design Pattern Series, this is factory design for createnal pattern. Please read in the linked document. Link document: https:...
-
youtube tutorial: https://www.youtube.com/watch?v=IEf1KAcK6A8 1 let and scope, 2 const, 3 array function 4 default value 5 Object iteral ext...
-
1 Copy Object in java Use = for immutable class ex: Integer , String or Wrapper classes Object Use Contructor has paramater copy, ObjectA...
-
JPA find() & getReference() in javax.persistence.EntityManager * find (): always call select from DB Use for select one entity from DB...
-
Preface Trong java có 3 kiểu so sánh đặc trưng như sau: + Sử dụng toán tử == : return Boolean Primitive thì so sánh giá trị thực, Reference ...
-
Persistence Context has two implemnet is JPA EntityManage and Hiberbate Session Example use Session of hiberate has exist github you can vi...
-
1 check Null and Undefined And primative datatype if(object){ // object is not null, undefined, 0, '', false. but it can empty({})...
-
1) CRUD có thể sử dung find Compositekey hoặc findBy compositeket + column in composite 2) CRUD findBy column And column 3 Not LazyLoa...
-
This post use language vietnames is, the future is will introduce english version. The clean code for java also application for the others. ...
-
Parse LocalDateTime to String to pattern year : yyyy || 2021 month of year: M / MMM / MMMM || 06 / Jun / June da...
Post a Comment