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Wolfram's Rule 34 in XKCD [closed]
...r).
He said it needs 2 states and 3 colors or something (I might have the order backward). I think the states refers to ( 0 / 1 ) and the colors refer to the kind of operations you perform. If you studied some assembly this will make more sense.
The most elementary computation is when 2 bits of da...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...果能把账号和IP的访问策略控制好了，基本可以解决这个问题了。当然对方网站也会有运维会调整策略，说到底这是一个战争，躲在电脑屏幕后的敌我双方，爬虫必须要能感知到对方的反监控策略进行了调整，通知管理员及时处...
Getting the location from an IP address [duplicate]
...ccording to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the database.
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URL encoding the space character: + or %20?
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How to use CURL via a proxy?
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PHP validation/regex for URL
...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018
– S. Imp
May 12 '17 at 21:53
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How to break/exit from a each() function in JQuery? [duplicate]
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How does this giant regex work?
...ently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是，devicePixelRatio在不同的浏览器中还存在些许的兼容性问题，所以我们现在还并不能完全信赖这个东西，具体的情况可以看下这篇文章。
devicePixelRatio的测试结果：
三、PPK的关于三个viewport的理论
ppk大神对于移动设备上...
String concatenation vs. string substitution in Python
...my scripts, and I was wondering what the cost was. I ran them in different orders to make sure nothing was interfering, or getting better performance being first or last. On a side note, I threw in some longer string generators into those functions like "%s" + ("a" * 1024) and regular concat was alm...