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ElasticSearch - 嵌套對象 nested

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# ElasticSearch - 嵌套對象 nested 介紹在 Elastic Search 中如何定義嵌套對象 nested 的 index，以及如何查詢帶有 nested 的文檔 [https://kucw.github.io/blog/2018/6/elasticsearch-nested/](https://kucw.github.io/blog/2018/6/elasticsearch-nested/)

0x5f3759df 一个神奇的数字 - 浮云计算

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# 0x5f3759df 一个神奇的数字 - 浮云计算 今天在看各种算法介绍的时候看到了这么一句话“神奇数字0x5f3759df并不是约翰·卡马克发明的。之所以一开始被误解，主要是许多对卡神光环膜拜已久的游戏程序员在读Quake3源码时吓尿了……”一下子引起了我的好奇心，在查阅了一些资料以后整理整个故事如 [https://liriansu.com/posts/2014-03-07-magic-number/](https://liriansu.com/posts/2014-03-07-magic-number/)

2025/11/23/software_engineering

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# 软件工程 | 郭飞的笔记 [https://www.guofei.site/2025/11/23/software_engineering.html](https://www.guofei.site/2025/11/23/software_engineering.html)

links

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# 友链 | 郭飞的笔记 [https://www.guofei.site/links.html](https://www.guofei.site/links.html)

reading/1_%E8%A5%BF%E6%96%B9%E5%93%B2%E5%AD%A6

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# 1_西方哲学 | 郭飞的笔记 [https://www.guofei.site/reading/1_%E8%A5%BF%E6%96%B9%E5%93%B2%E5%AD%A6.html](https://www.guofei.site/reading/1_%E8%A5%BF%E6%96%B9%E5%93%B2%E5%AD%A6.html)

rCore-Tutorial-Book-v3/log

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# 更新日志 - rCore-Tutorial-Book-v3 3.6.0-alpha.1 文档 [https://rcore-os.cn/rCore-Tutorial-Book-v3/log.html](https://rcore-os.cn/rCore-Tutorial-Book-v3/log.html)

12-01 Karush-Kuhn-Tucker conditions · 모두를 위한 컨벡스 최적화

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# 12-01 Karush-Kuhn-Tucker conditions · 모두를 위한 컨벡스 최적화 [https://convex-optimization-for-all.github.io/contents/chapter12/2021/04/02/12_01_Karush_Kuhn_Tucker_conditions/](https://convex-optimization-for-all.github.io/contents/chapter12/2021/04/02/12_01_Karush_Kuhn_Tucker_conditions/)

02-02-01 Convex set examples · 모두를 위한 컨벡스 최적화

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# 02-02-01 Convex set examples · 모두를 위한 컨벡스 최적화 [https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/11/02_02_01_Convex_sets_examples/](https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/11/02_02_01_Convex_sets_examples/)

02-01-04 Cone · 모두를 위한 컨벡스 최적화

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# 02-01-04 Cone · 모두를 위한 컨벡스 최적화 [https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/08/02_01_04_Convex_cone/](https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/08/02_01_04_Convex_cone/)

02-01-03 Convex set · 모두를 위한 컨벡스 최적화

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# 02-01-03 Convex set · 모두를 위한 컨벡스 최적화 [https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/08/02_01_03_Convex-set/](https://convex-optimization-for-all.github.io/contents/chapter02/2021/02/08/02_01_03_Convex-set/)