大约有 37,000 项符合查询结果(耗时:0.0439秒) [XML]

https://stackoverflow.com/ques... 

MySQL: determine which database is selected?

... currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
https://stackoverflow.com/ques... 

List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...
https://stackoverflow.com/ques... 

PHP exec() vs system() vs passthru()

... portability has to be sacrificed for functionality. There are some things PHP just can't do well. – Frank Crook Apr 9 '09 at 5:10 30 ...
https://stackoverflow.com/ques... 

What data type to use for money in Java? [closed]

...yAmount = amountFactory.setCurrency(Monetary.getCurrency("EUR")).setNumber(12345.67).create(); MonetaryAmountFormat format = MonetaryFormats.getAmountFormat(Locale.getDefault()); System.out.println(format.format(monetaryAmount)); When using the reference implementation API, the necessary code is m...
https://stackoverflow.com/ques... 

PHP mail function doesn't complete sending of e-mail

...t it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded. The code submits perfectly, but never sends an email. How can I fix this? ...
https://stackoverflow.com/ques... 

Is it possible to delete an object's property in PHP?

...ght mind, convert an array into an object? It just makes no sense (even if PHP allows it). I will not encorage and spread bad programming habits by commenting on this :) No offense. – Yanick Rochon Mar 21 '14 at 2:54 ...
https://stackoverflow.com/ques... 

What does the “yield” keyword do?

...one, etc. And generators return... well that's where yield comes in: def f123(): yield 1 yield 2 yield 3 for item in f123(): print item Instead of yield statements, if you had three return statements in f123() only the first would get executed, and the function would exit. But f1...
https://stackoverflow.com/ques... 

Codeigniter - no input file specified

... Just add the ? sign after index.php in the .htaccess file : RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?/$1 [L] and it would work ! ...
https://stackoverflow.com/ques... 

Easiest way to convert int to string in C++

... @Rasoul NumberToString(23213.123) produces 23213.1 while std::to_string(23213.123) produces 23213.123000 What happens there? – Killzone Kid Nov 5 '17 at 23:00 ...
https://stackoverflow.com/ques... 

Double not (!!) operator in PHP

What does the double not operator do in PHP? 6 Answers 6 ...