Showing posts with label spring. Show all posts

JPA find and getReference

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JPA find() & getReference() in javax.persistence.EntityManager * find (): always call select from DB   Use for select one entity from DB...

Spring hibernate Lifecycle

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Persistence Context has two implemnet is JPA EntityManage and Hiberbate Session Example use Session of hiberate  has exist github you can vi...

Hibernate Notice

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  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

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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

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 Preface Knowledge about this part: Spring code: Spring – IoC Containers Spring – Inversion of Control vs Dependency Injection Spring 5 – Be...

jwt with spring

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 Preface Understanding Spring Security Architecture     How To Keep Authenticaion (Client vs server, API)     Session Management     JWT (th...

internationalization i18n

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 i18n mean i to n has 18 number character Use: Config messageSource in file config   1) Use jstl  Pom:  <dependency>             <g...

Spring Security Notice

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 1) The order of the antMatchers() Note that the order of the antMatchers()  elements is significant – the more specific rules need to come ...

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