大约有 16,000 项符合查询结果（耗时：0.0226秒） [XML]
What's the difference between a 302 and a 307 redirect?
...doing a DELETE at some location, you would redo your DELETE to the new URL
etc
Unfortunately every browser did it wrong. When getting a 302, they would always switch to GET at the new URL, rather than retrying the request with the same verb (e.g., POST):
Mosaic did it wrong
Netscape copied the bug...
Show a number to two decimal places
What's the correct way to round a PHP string to two decimal places?
24 Answers
24
...
PHP function to build query string from array
I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
How to find day of week in php in a specific timezone
I am confused while using php to handle date/time.
12 Answers
12
...
Difference between float and double in php?
...
There is no difference in PHP. float, double or real are the same datatype.
At the C level, everything is stored as a double.
The real size is still platform-dependent.
See the manual for more details:
http://www.php.net/manual/en/language.types.flo...
What's better at freeing memory with PHP: unset() or $var = null
... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever ...
Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]
Is there a PHP Sandbox, something like JSFiddle is to JS?
1 Answer
1
...
站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
...告，这样的行为是被Google Adsense禁止的。
二、1、版权问题的网站博客禁止投放Google Adsense。主要是音乐MP3、视频、新闻组和图像结果等内容的网页上。例如电影类的网站、纯粹的新闻网站、纯粹的图片网站、引用第三方的视频...
Uppercase Booleans vs. Lowercase in PHP
When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use.
...
PHP: exceptions vs errors?
Maybe I'm missing it somewhere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error?
...