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摘要: What is the difference between CORS and CSPs? 问题 From my perspective, the technologies referred to as Cross-Origin Resource Sharing (CORS) and Content 阅读全文
posted @ 2021-06-04 15:20 ChuckLu 阅读(69) 评论(0) 推荐(0)
摘要: Security headers quick reference Learn more about headers that can keep your site safe and quickly look up the most important details. This article li 阅读全文
posted @ 2021-06-04 14:41 ChuckLu 阅读(50) 评论(0) 推荐(0)
摘要: Missing dollar riddle The missing dollar riddle is a famous riddle that involves an informal fallacy. It is old, dating back to at least the 1930s, al 阅读全文
posted @ 2021-06-04 13:12 ChuckLu 阅读(110) 评论(0) 推荐(0)
摘要: Where Did the Other Dollar Go, Jeff? 多出来的一美元 三名游客来到一家旅馆,经理告诉他们,三人间的价格是30美元。游客每人掏出10美元,入住了房间。 第二天退房时,经理意识到,这间客房的定价应该是25美元,便要求服务员将多收的5美元退还给客人。服务员不诚实,仅向每 阅读全文
posted @ 2021-06-04 12:52 ChuckLu 阅读(102) 评论(0) 推荐(0)
摘要: http://www.ruanyifeng.com/blog/2021/06/weekly-issue-161.html CAP 定理解读(英文) 这篇文章从学术角度,详细解读分布式系统的 CAP 定理,写得很好。CAP 定理的核心含义就是,发生故障时,开发者必须选择,优先满足一致性还是可用性。 Y 阅读全文
posted @ 2021-06-04 12:44 ChuckLu 阅读(56) 评论(0) 推荐(0)
摘要: cookie默认的生命周期,是跟着session走的。session结束了,cookie也就被自动清除了。不过可以设置cookie的过期时间来避免自动清除 Cookies are deleted when I close the browser? The default cookie lifetim 阅读全文
posted @ 2021-06-04 10:46 ChuckLu 阅读(60) 评论(0) 推荐(0)
摘要: Using more than one index per table is dangerous? 问题 In a former company I worked at, the rule of thumb was that a table should have no more than one 阅读全文
posted @ 2021-06-01 17:26 ChuckLu 阅读(57) 评论(0) 推荐(0)
摘要: Multiple Indexes vs Multi-Column Indexes 问题 I've just been adding an Index to a table in SQL Server 2005 and it got me thinking. What is the differenc 阅读全文
posted @ 2021-06-01 17:10 ChuckLu 阅读(44) 评论(0) 推荐(0)
摘要: SQL Server Index Naming Conventions [closed] 回答1 I use PK_ for primary keys UK_ for unique keys IX_ for non clustered non unique indexes UX_ for uniqu 阅读全文
posted @ 2021-06-01 17:06 ChuckLu 阅读(49) 评论(0) 推荐(0)
摘要: What's different between INTERSECT and JOIN? 1.INTERSECT just compares 2 sets and picks only distinct equivalent values from both sets. It's important 阅读全文
posted @ 2021-06-01 15:58 ChuckLu 阅读(80) 评论(0) 推荐(0)
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