Zhentiw - 博客园

2020年12月17日

[Javascript] Broadcaster + Operator + Listener pattern -- 27. combine multi broadcaster and compose operator to implement game logic

摘要： New broadcaster: compose: export let combine = (broadcaster1, broadcaster2) => listener => { let value1; let value2; let cancel1 = broadcaster1(value 阅读全文

posted @ 2020-12-17 15:49 Zhentiw 阅读(113) 评论(0) 推荐(0)

[Java Spring Data] JapRepository

摘要： All features of CrudRepository plus: void flush(); saveAndFlush() delteInBatch() delteAllInBatch() package com.example.university.repo; import com.exa 阅读全文

posted @ 2020-12-17 02:36 Zhentiw 阅读(125) 评论(0) 推荐(0)

[Java Spring Data] JPA Example with unit test

摘要： domain/Course.java package com.example.university.domain; import javax.persistence.*; /** * JPA Entity for a Course offered at the University. * <p> * 阅读全文

posted @ 2020-12-17 02:31 Zhentiw 阅读(139) 评论(0) 推荐(0)

[Java Spring Data] @JoinTable, @JoinColumn, joinColumns and inverseJoinColumns

摘要： @OneToMany: One Student To Many Courses. @JoinTable(name = "Enrollment"): Join Enrollment table. joinColumns: with use "student_id" to link Student an 阅读全文

posted @ 2020-12-17 02:14 Zhentiw 阅读(319) 评论(0) 推荐(0)

2020年12月16日

[Java Spring MVC] Paging and sorting DTOs

摘要： Repo: package com.example.ec.repo; import com.example.ec.domain.TourRating; import com.example.ec.domain.TourRatingPk; import org.springframework.data 阅读全文

posted @ 2020-12-16 03:13 Zhentiw 阅读(99) 评论(0) 推荐(0)

[Java Spring MVC] @GetMapping, @PostMapping, @PutMapping, @PatchMapping & @DeleteMapping

摘要： package com.example.ec.web; import com.example.ec.domain.Tour; import com.example.ec.domain.TourRating; import com.example.ec.domain.TourRatingPk; imp 阅读全文

posted @ 2020-12-16 03:02 Zhentiw 阅读(333) 评论(0) 推荐(0)

2020年12月15日

[Java Spring MVC] @PathVariable, @Vallidated, @PostMapping & @ResponseStatus

摘要： Controller: package com.example.ec.web; import com.example.ec.domain.Tour; import com.example.ec.domain.TourRating; import com.example.ec.domain.TourR 阅读全文

posted @ 2020-12-15 02:53 Zhentiw 阅读(125) 评论(0) 推荐(0)

[Java Spring] @Embeddable and @EmbeddedId

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

posted @ 2020-12-15 02:05 Zhentiw 阅读(220) 评论(0) 推荐(0)

2020年12月14日

[Java Spring] Controlling API Exposure & Override Endpoint Name

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

posted @ 2020-12-14 04:16 Zhentiw 阅读(84) 评论(0) 推荐(0)

[Java Spring] Built-in page and sorting

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

posted @ 2020-12-14 03:51 Zhentiw 阅读(74) 评论(0) 推荐(0)

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