Answer1215

摘要： In software, we come across many use cases when we need to have a composite primary key to define an entry in a table. Composite primary keys are keys 阅读全文

摘要： @RestResource(exported = false): makes the endpoint no longer visible for public. package com.example.ec.repo; import com.example.ec.domain.TourPackag 阅读全文

摘要： package com.example.ec.repo; import com.example.ec.domain.Difficulty; import com.example.ec.domain.Region; import com.example.ec.domain.Tour; import o 阅读全文

摘要： Entity: package com.example.ec.domain; import javax.persistence.*; @Entity public class Tour { @Id @GeneratedValue private Integer id; @Column private 阅读全文

摘要： To build out our word game, we will have to be able to share the word across a few places. This means we have to set up a broadcaster that will push t 阅读全文

摘要： The racing condition would be one possible bug when we apply cache a newtwork request. For example, we implement a search box, for all the requests, w 阅读全文

摘要： Caches exist to make things faster (at the expense of taking up more memory and possibly outdated results). Our live search is a great use case for im 阅读全文

摘要： Create you own decreator! Add dependency: <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.5</version> 阅读全文

摘要： In previous post, we check how to use ifElse to branch out the logic: https://www.cnblogs.com/Answer1215/p/14093562.html let inputToBooks = pipe( wait 阅读全文

摘要： You can do git log first to check which commit message you want to revert to. For example 'xxxxx123' is the commit id we want to revert to. Then do: g 阅读全文