book clone sole springboot
##배운것 정리
JPA 영속성 컨텍스트(113p)
"Entity를 영구 저장하는 환경" 이라는 뜻
(실제로는 DB에 저장하는 것이 아니라 영속성 컨텍스트를 통해서 Entity를 영속화한다는 뜻)
더티체킹이란?(114p)
Dirty란 상태의 변화가 생긴 정도
즉, Dirty Checking이란 상태 변경 검사 (최초 조회 상태와 다를 경우)
@MappedSuperclass
부모 클래스를 상속받는 자식클래스에게 매핑 정보만 제공하고 싶을때 이 어노테이션을 사용
@EntityListeners
대상이 되는 클래스(entity)가 DB에 적용되기 이전 이후에 커스텀 콜백을 요청할 수 있는 어노테이션
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
Django
The Web framework for perfectionists with deadlines.
Laravel
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
Microsoft
Open source projects and samples from Microsoft.
Google
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Alibaba
Alibaba Open Source for everyone
D3
Data-Driven Documents codes.
Tencent
China tencent open source team.