大约有 47,000 项符合查询结果(耗时:0.0465秒) [XML]

https://stackoverflow.com/ques... 

Set a cookie to never expire

... All cookies expire as per the cookie specification, so this is not a PHP limitation. Use a far future date. For example, set a cookie that expires in ten years: setcookie( "CookieName", "CookieValue", time() + (10 * 3...
https://stackoverflow.com/ques... 

Get the subdomain from a URL

... Anyone have any great ideas besides storing a list of all TLDs? No, because each TLD differs on what counts as a subdomain, second level domain, etc. Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, everything except ...
https://stackoverflow.com/ques... 

Assign same value to multiple variables at once?

... @Eoin: In doing $var_a = $var_b = ... = new Class();, all the variables will reference the same instance of Class. – Tim Cooper Jun 21 '19 at 19:34 ...
https://stackoverflow.com/ques... 

Fast way to get image dimensions (not filesize)

...r if it reads the whole data for that though. See the manpage of exiv2 for all supported image formats. head -n1 will give you the dimensions for PPM, PGM formats. For formats popular on the web, both exiv2 and identify will do the job. Depending on the use-case you may need to write your own scri...
https://stackoverflow.com/ques... 

Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8

...14. In running a few tests myself it does appear that this was fixed and all is running smoothly again for testing the most amazing browser ever produced...Internet Explorer! share | improve this ...
https://stackoverflow.com/ques... 

increment date by one month

...2010.12.11"); $final = date("Y-m-d", strtotime("+1 month", $time)); // Finally you will have the date you're looking for. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How do you get a timestamp in JavaScript?

...nd it returns the timestamp (without any alteration). Details: On almost all current browsers you can use Date.now() to get the UTC timestamp in milliseconds; a notable exception to this is IE8 and earlier (see compatibility table). You can easily make a shim for this, though: if (!Date.now) { ...
https://www.tsingfun.com/it/tech/1713.html 

phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法 - 更多技术 ...

phpcms v9内容页/下载页更新时间(updatetime)为空的解决方法这是由于模型管理中字段的设置不正确导致。updatetime原本应该设置为int(10)类型,可能由于什么原因被设置成了datetime类型(可以查看数...这是由于模型管理中字段的...
https://stackoverflow.com/ques... 

Why doesn't this code simply print letters A to Z?

... @ShreevatsaR: actually, 'yz'+1 = 'za'. The first comparison that fails is 'za'<='z' – Milan Babuškov Nov 4 '10 at 20:48 ...
https://stackoverflow.com/ques... 

PHP regular expressions: No ending delimiter '^' found in

... PHP regex strings need delimiters. Try: $numpattern="/^([0-9]+)$/"; Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...