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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...种新型的网络构建方式，它是为能在传统的IP网发布宽带丰富媒体而特别优化的网络覆盖层；而从广义的角度，CDN代表了一种基于质量与秩序的网络服务模式。简单地说，内容发布网络(CDN)是一个经策略性部署的整体系统，包括...
How do I parse a string to a float or int?
In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222 ? Or parse the string "31" to an integer, 31 ?
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How does the keyword “use” work in PHP and can I import classes with it?
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zerkmszerkms
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How to add color to Github's README.md file
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You can use the diff language tag to generate some colored text:
```diff
- text in red
+ text...
Log all queries in mysql
...dre MarcondesAlexandre Marcondes
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How should I validate an e-mail address?
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Be careful. This matcher accepts email@111.222.333.44444 as a valid email
– Joaquin Iurchuk
Feb 9 '17 at 17:18
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ArrayList vs List in C#
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@Ant_222, that blog was written nearly 15 years ago. I think the evidence over the last decade + has shown that generics are not harmful. :)
– Scott Adams
Jun 16 '19 at 17:46
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Why doesn't a python dict.update() return the object?
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Python's mostly implementing a pragmatically tinged flavor of command-query separation: mutato...
How do I update my forked repo using SourceTree?
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First, set up the parent repo:
Open your forked repo in SourceTree.
Select Repository ➫ Re...
Send Email Intent
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when you will change your intent.setType like below you will get
intent.setType("text/plain"...