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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...评估下来硬件资源不是瓶颈,看下获取数据的接口有什么问题? 1、通过各大微博的搜索api。就比如新浪微博API针对一个服务器IP的请求次数,普通权限限制是一个小时1w次,最高权限合作授权一个小时4w次。使用应用时还需...
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How to convert an image to base64 encoding?

...ts("/path/to/image.jpg"); // alternatively specify an URL, if PHP settings allow $base64 = base64_encode($imagedata); bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit. ...
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If isset $_POST

... This comparison table is very helpful for things like this php.net/manual/en/types.comparisons.php – A Star Jun 4 '13 at 22:16 2 ...
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无法解析的外部符号 _MiniDumpWriteDump@28,MiniDumpWriteDump lib文件 - ...

...clude <DbgHelp.h>#pragma comment(lib, "Dbghelp.lib") 解决链接失败的问题MiniDumpWriteDump是MS DbgHelp.dll 中一个API, 用于导出当前运行的程序的Dump。 #include <DbgHelp.h> #pragma comment(lib, "Dbghelp.lib") 解决链接失败的问题 MiniDumpWriteDump lib文件
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Getting visitors country from their IP

... via their IP... Right now I'm using this ( http://api.hostip.info/country.php?ip= ...... ) 29 Answers ...
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Passing $_POST values with cURL

... Should work fine. $data = array('name' =&gt; 'Ross', 'php_master' =&gt; true); // You can POST a file by prefixing with an @ (for &lt;input type="file"&gt; fields) $data['file'] = '@/home/user/world.jpg'; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); cur...
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Saving image from PHP URL

I need to save an image from a PHP URL to my PC. Let's say I have a page, http://example.com/image.php , holding a single "flower" image, nothing else. How can I save this image from the URL with a new name (using PHP)? ...
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How do I implement a callback in PHP?

How are callbacks written in PHP? 9 Answers 9 ...
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In PHP, can you instantiate an object and call a method on the same line?

... The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4: http://php.net/manual/en/migration54.new-features.php And the relevant part from the new features list: Class member access on instantiation has been added, e.g. (ne...
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PHP Session Fixation / Hijacking

I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website: ...