大约有 40,000 项符合查询结果(耗时:0.0215秒) [XML]

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Find nearest latitude/longitude with an SQL query

...ed below is for about 180 pizzarias scattered across the United States. In phpMyAdmin, you can use the IMPORT tab to import various file formats, including CSV (comma-separated values). Microsoft Excel and Google Spreadsheets both export to CSV format, so you can easily transfer data from spreadshee...
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java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...存在于什么地方?3缓存有哪些属性?4缓存介质?搞清楚这4个问题,那么我们就可以随意的通过应用的场景来判断使用何...1、缓存为什么要存在? 2、缓存可以存在于什么地方? 3、缓存有哪些属性? 4、缓存介质? 搞清楚这4个...
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What type of hash does WordPress use?

... The WordPress password hasher implements the Portable PHP password hashing framework, which is used in Content Management Systems like WordPress and Drupal. They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encryption sch...
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How to extract img src, title and alt from html using php? [duplicate]

... Just to give a small example of using PHP's XML functionality for the task: $doc=new DOMDocument(); $doc->loadHTML("<html><body>Test<br><img src=\"myimage.jpg\" title=\"title\" alt=\"alt\"></body></html>"); $xml=simplexml_i...
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Discuz轻松生成sitemaps.xml网站地图 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...针对论坛版块生成sitemaps xml:●建立一个名为cron_sitemaps php的文件;●复制以下代码区的内容到cron_sitemaps php中,并保存文件;PS:注意编码,选择自己DZ对应的编码,我 只针对论坛版块生成sitemaps.xml: ●建立一个名为“cron_sit...
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Include constant in string without concatenating

Is there a way in PHP to include a constant in a string without concatenating? 12 Answers ...
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Manipulate a url string by adding GET parameters

... Basic method $query = parse_url($url, PHP_URL_QUERY); // Returns a string if the URL has parameters or NULL if not if ($query) { $url .= '&category=1'; } else { $url .= '?category=1'; } More advanced $url = 'http://example.com/search?keyword=test&...
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术

...允许的情况下我们会采用软负载,软负载解决的两个核心问题是:选谁、转发,其中最著名的是LVS(Linux Virtual Server)。 三、软负载——LVS LVS是四层负载均衡,也就是说建立在OSI模型的第四层——传输层之上,传输层上有...
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为什么我们程序员写不出好代码? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...提交的仓库里。如果代码行数都计算在内的话,原本一个问题只需10行代码即可解决,程序员有可能编写5000行代码,来让功能更加灵活和兼容,这样,他的代码总量就会增加5000行了。 衡量生产力反而会使代码变的更糟,让项目...
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Str_replace for multiple items

...s: str_replace(array(':', '\\', '/', '*'), ' ', $string); Or, in modern PHP (anything from 5.4 onwards), the slighty less wordy: str_replace([':', '\\', '/', '*'], ' ', $string); share | improv...