Showing posts with label web. Show all posts
Es 6 some features
at
September 14, 2021
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...
Check Status object
at
July 23, 2021
1 check Null and Undefined And primative datatype if(object){ // object is not null, undefined, 0, '', false. but it can empty({})...
Web Notice
at
April 14, 2021
Forward (Chuyển tiếp) & Redirect (điều hướng) Forward : When request of brower send to Servlet, it can forward request to a page other o...
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- Peter
- Tân An, Long An, Vietnam
- Hello everyone, I love programming, I love making friends with people all over the world.
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The one of Design Pattern Series, this is factory design for createnal pattern. Please read in the linked document. Link document: https:...
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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...
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1 Copy Object in java Use = for immutable class ex: Integer , String or Wrapper classes Object Use Contructor has paramater copy, ObjectA...
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JPA find() & getReference() in javax.persistence.EntityManager * find (): always call select from DB Use for select one entity from DB...
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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 ...
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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...
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1 check Null and Undefined And primative datatype if(object){ // object is not null, undefined, 0, '', false. but it can empty({})...
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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...
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This post use language vietnames is, the future is will introduce english version. The clean code for java also application for the others. ...
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Parse LocalDateTime to String to pattern year : yyyy || 2021 month of year: M / MMM / MMMM || 06 / Jun / June da...