- Java 016·Last edited by Victor Liang on Oct 27, 2022Linked with GitHubContributed by
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Spring Boot build docker image
指令: mvn spring-boot:build-image image 名稱參數: -Dspring-boot.build-image.imageName=myrepo/myimage Reference Build a Docker image using Maven and Spring Boot
May 4, 2023Mock RTSP Stream
Host By Android Studio Emulator With RTSP Security Server terminal 1 emulator -avd [device_name] emulator power on wait till Boot completed open RTSP Security Server App terminal 2
Apr 14, 2023Spring Data JPA
聯級管理 OneToMany orphanRemoval - 若 Many 方在 One 方修改後無對應的關聯對象，則自動刪除。example: @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true) private List<Child> children = new ArrayList<>(); 修改前 { "id": "parent"
Mar 7, 2023MySQL 語法
排序ROW_NUMBER() = INDEX ( 1 2 3 4 5 6 ) ROW_NUMBER() OVER ( ORDER BY number ) as 'index' RANK() = 非連續排名 ( 重複名次時會跳過下一名 ex: 1 1 3 4 4 6 ) RANK() OVER ( ORDER BY score ) as 'rank' DENSE_RANK() = 連續重複排名 ( ex: 1 1 2 3 4 5 ) DENSE_RANK() OVER ( ORDER BY score ) as 'dense_rank'
Mar 7, 2023
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