JPA find and getReference
JPA find() & getReference() in javax.persistence.EntityManager * find (): always call select from DB Use for select one entity from DB...
Spring hibernate Lifecycle
Persistence Context has two implemnet is JPA EntityManage and Hiberbate Session Example use Session of hiberate has exist github you can vi...
Hibernate Notice
1) CRUD có thể sử dung find Compositekey hoặc findBy compositeket + column in composite 2) CRUD findBy column And column 3 Not LazyLoa...
Oauth 2.0
Preface Khái niệm Oauth và ApIs Scope and consent (phạm vi và sự đồng ý) Oauth Actor Oauth Tokens Front Back Channel Giả Xác thực Với Oa...
Spring core
Preface Knowledge about this part: Spring code: Spring – IoC Containers Spring – Inversion of Control vs Dependency Injection Spring 5 – Be...
jwt with spring
Preface Understanding Spring Security Architecture How To Keep Authenticaion (Client vs server, API) Session Management JWT (th...
Remember Me cookie
The cookie contains three part: username: to identify logged-in expirationTime: to expire the cookie; default 2 week password and pridefine...
internationalization i18n
i18n mean i to n has 18 number character Use: Config messageSource in file config 1) Use jstl Pom: <dependency> <g...
Spring Security Notice
1) The order of the antMatchers() Note that the order of the antMatchers() elements is significant – the more specific rules need to come ...
Spring sometimes error
1 Role Authorization request login when access /admin. notice: save role in database : ROLE_XXX 2 Run By spring-boot:run Could not find or...
About Me
- Peter
- Tân An, Long An, Vietnam
- Hello everyone, I love programming, I love making friends with people all over the world.