大约有 40,000 项符合查询结果(耗时:0.0196秒) [XML]

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How do I find which rpm package supplies a file I'm looking for?

...age (i.e. it resides in /sbin). However, rpm -qf ... also requires root in order to read rpms from /sbin. Therefore, I propose that the root requirements are functionally equivalent for both methods. – StockB Oct 31 '17 at 14:28 ...
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selecting unique values from a column

...se the DISTINCT operator in MySQL: SELECT DISTINCT(Date) AS Date FROM buy ORDER BY Date DESC; share | improve this answer | follow | ...
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Get fragment (value after hash '#') from a URL in php [closed]

... That part is called "fragment" and you can get it in this way: $url=parse_url("http://domain.com/site/gallery/1#photo45 "); echo $url["fragment"]; //This variable contains the fragment ...
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What is function overloading and overriding in php?

In PHP, what do you mean by function overloading and function overriding. and what is the difference between both of them? couldn't figure out what is the difference between them. ...
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Grabbing the href attribute of an A element

...reg_match_all("/<a.*?href\s*=\s*['\"](.*?)['\"]/", $str, $res, PREG_SET_ORDER); in order to catch correctly all href values in using foreach($res as $key => $val){echo $val[1]} – Ignacio Bustos Oct 22 '13 at 15:33 ...
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How to save an HTML5 Canvas as an image on a server?

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is: ...
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VIM Disable Automatic Newline At End Of File

So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
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define() vs. const

In PHP, when do you use 11 Answers 11 ...
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Static class initializer in PHP

I have an helper class with some static functions. All the functions in the class require a ‘heavy’ initialization function to run once (as if it were a constructor). ...
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Difference between require, include, require_once and include_once?

...n that you do not want to happen twice due to the HTTP overhead But basically, it's up to you when to use which. share | improve this answer | follow | ...