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大数据不是万能的 - 资讯 - 清泛网 - 专注C/C++及内核技术

...地方。我们认为,大数据其实面对的不是99%的机构面对的问题,这个说法跟市场上很多的说法不大一样。 我们看一下,把这个额度分配到一万到十万区域。在这个领域从事信贷服务的,大家马上想到的是信用卡,也可能想到某...
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Returning JSON from a PHP Script

... While you're usually fine without it, you can and should set the Content-Type header: <?php $data = /** whatever you're serializing **/; header('Content-Type: application/json'); echo json_encode($data); If I'm not using a particular fra...
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What is the best regular expression to check if a string is a valid URL?

... I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax. For absolute IRIs (internationalized): /^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]...
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How do I make an asynchronous GET request in PHP?

... Am I right in saying that this function is improperly named? It really doesn't have anything to do with the curl library. It's fsock_post_async() more like it – MikeMurko Oct 8 '12 at 19:28 ...
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术

...定是可信的。 区块链技术原理的来源可归纳为一个数学问题:拜占庭将军问题。拜占庭将军问题延伸到互联网生活中来,其内涵可概括为:在互联网大背景下,当需要与不熟悉的对手方进行价值交换活动时,人们如何才能防止...
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PHP: How to remove all non printable characters in a string?

...to remove other chars... If you're dealing with Unicode, there are potentially many non-printing elements, but let's consider a simple one: NO-BREAK SPACE (U+00A0) In a UTF-8 string, this would be encoded as 0xC2A0. You could look for and remove that specific sequence, but with the /u modifier in ...
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP

I have just installed XAMPP on my Windows XP machine, and I get an error saying: 12 Answers ...
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Str_replace for multiple items

...aracter like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each. ...
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PHP function to make slug (URL string)

...aprint") will return "EFI" and leak a warning. – Kendall Hopkins Feb 14 '12 at 2:12 2 @Maerlyn an...
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How to fix getImageData() error The canvas has been tainted by cross-origin data?

...the remote server sets the following header appropriately: Access-Control-Allow-Origin "*" The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into my canvas, and then submit the ...