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pdf预览功能研究形成文档：[url]https://puravidaapps.com/snippets.php#2p...
pdf预览功能研究形成文档：https://puravidaapps.com/snippets.php#2pdfpdf完成，但这个文档里面还有很多东西，需要整理。
Laravel Eloquent: Ordering results of all()
...sorting the collection with sortBy() happens inside the Laravel Engine (in PHP), while the orderBy() is done in the database. Surely the database is going to be quicker in almost all conceivable situations, and as your dataset increases so will the disparity in performance. I'd love to hear other pe...
When and why I should use session_regenerate_id()?
Why and when should I use the session_regenerate_id() function in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
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Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
Iterate over object attributes in python
...ow I shouldn't.. but it helps me understand how things work. I come from a php background and used to do this kind of things daily
– Pablo Mescher
Jul 24 '12 at 19:01
Why shouldn't I use “Hungarian Notation”?
... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript).
– too much php
Dec 29 '08 at 3:45
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How to remove all leading zeroes in a string
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Not strange. Integers in php go up to 2^31, which is 2147483647. For any larger numbers, you'll have to use lonesomeday's string-based solution.
– awm
Feb 23 '11 at 23:41
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py2exe - generate single executable file
...allable program.
I have used InnoSetup ( http://www.jrsoftware.org/isinfo.php ) with delight for several years and for commercial programs, so I heartily recommend it.
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How can one check to see if a remote file exists using PHP?
...PT_USERAGENT in addition to CURLOPT_NOBODY: davidwalsh.name/set-user-agent-php-curl-spoof
– rlorenzo
Aug 17 '12 at 22:30
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How can I get query string values in JavaScript?
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How does this function handle http://www.mysite.com/index.php?x=x1&x=x2&x=x3 The value of field x is ambiguous.
– dpp
Jul 9 '11 at 6:34
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