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Calculate number of hours between 2 dates in PHP
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The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on ...
优化InnerHTML操作 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...便性让我们爱不释手，但如果使用不当，很容易出现效率问题，本文通过一个例子来说明如何优化i...多数现代浏览器都实现了innerHTML操作，它的方便性让我们爱不释手，但如果使用不当，很容易出现效率问题，本文通过一个例...
How to check what user php is running as?
I need to detect if php is running as nobody. How do I do this?
16 Answers
16
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房多多：懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
...既得利润，要有所为有所不为。
创业的第一年，面临的问题是你到底想干什么，是做交易还是做平台。过去十几年我做交易，公司不到一年也有几千万元的净利润。
但是做交易与做平台是有矛盾的，好比运动员同时想搭平台...
What is output buffering?
What is output buffering and why is one using it in PHP?
7 Answers
7
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PHP Constants Containing Arrays?
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NOTE: while this is the accepted answer, it's worth noting that in PHP 5.6+ you can have const arrays - see Andrea Faulds' answer below.
You can also serialize your array and then put it into the constant:
# define constant, serialize array
define ("FRUITS", serialize (array ("apple", "che...
Does file_get_contents() have a timeout setting?
... link may take more than 15 minutes to process. Now, I worry about whether PHP's file_get_contents() has a timeout period?
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VC的陷阱，看哪些条款会威胁到创业者的利益 - 资讯 - 清泛网 - 专注C/C++及内核技术
...记住，通往地狱的路由善意铺就。一些条款因为细节上的问题会造成不愉快，可能与创业者的利益相悖。
在遇到这些条款时，如果创业者的议价能力足够强，要果断地作出调整或直接拒绝，保障自己、企业、合伙人及其他员工...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...需要注释掉，不然恢复模式不好操作。 这里有个关键的问题，就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢复，必须把之前的表的数据的日志记录点添加到一致。
a、建立一个数据库，根据...
PHP method chaining?
I am using PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it?
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