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Jochen

Jochen

V2EX 第 189629 号会员,加入于 2016-08-31 17:05:21 +08:00
今日活跃度排名 16863
Jochen 最近回复了
224 天前
回复了 momomoi 创建的主题 MacBook 买了个 14 寸 m4pro 48+512
@momomoi #3 这个价格是怎么买到的?我最近也在看这个配置,发现定制款不能走国补
支持以下楼主
已购买,支持一下
2020-11-25 10:57:28 +08:00
回复了 lecion 创建的主题 macOS 本来计划换个小机箱,结果组了个 14L 的黑苹果...
感谢楼主的分享!
iina 好用,支持楼主!
2020-01-15 15:37:17 +08:00
回复了 DavidNineRoc 创建的主题 MySQL MySQL 两个字段排序,怎么查找出上一篇下一篇?
@DavidNineRoc 查询结果为空是因为 top_at 字段的值可以为 null,而在 MySQL 中,NULL 值与任何其它值的比较(即使是 NULL )永远返回 NULL,即 NULL = NULL 返回 NULL。

针对这种情况,可以稍微处理一下:
SET @id = 12345;
SELECT
*
FROM
articles
WHERE
IFNULL(top_at,1) > ( SELECT IFNULL(top_at,1) FROM articles WHERE id = @id )
OR (IFNULL(top_at,1) = ( SELECT IFNULL(top_at,1) FROM articles WHERE id = @id ) AND created_at >= (SELECT
created_at FROM articles WHERE id = @id))
AND id != @id
ORDER BY top_at ASC, created_at ASC
LIMIT 1;
2020-01-15 10:18:50 +08:00
回复了 DavidNineRoc 创建的主题 MySQL MySQL 两个字段排序,怎么查找出上一篇下一篇?
找上一篇 SQL:
SET @id = 12345;
SELECT
*
FROM
article
WHERE
top_at > ( SELECT top_at FROM article WHERE id = @id )
OR (top_at = ( SELECT top_at FROM article WHERE id = @id ) AND created_at >= (SELECT created_at FROM article WHERE id = @id))
AND id != @id
ORDER BY top_at ASC, created_at ASC
LIMIT 1;

我在本地模拟了几条 SQL 是 OK 的。
2019-12-13 17:41:17 +08:00
回复了 koolob 创建的主题 北京 起诉自如后续,终于拿到判决书了
支持楼主
主页所有按钮和链接都点击不了,控制台报:Uncaught could not load memory initializer https://oyyd.github.io/wasm-opencc/opencc-asm.js.em
本人 MAC Chrome 76.0.3809.132
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