大约有 22,000 项符合查询结果(耗时:0.0133秒) [XML]

https://stackoverflow.com/ques... 

How do I return multiple values from a function in C?

...d a size_t for the length unless it's absolutely vital for the function to allocate it's own string and/or return NULL. – Chris Lutz Apr 12 '10 at 6:14 ...
https://stackoverflow.com/ques... 

How do I use PHP namespaces with autoload?

...Class1 is not in the global scope. See below for a working example: <?php function __autoload($class) { $parts = explode('\\', $class); require end($parts) . '.php'; } use Person\Barnes\David as MyPerson; $class = new MyPerson\Class1(); Edit (2009-12-14): Just to clarify, my usage...
https://stackoverflow.com/ques... 

Getting the first character of a string with $str[0]

... Does PHP $str[0] take into account that there can be 2Byte long chars? UTF and such? (even though substr() does not help with it either!) – Tomer W Jun 26 '13 at 13:29 ...
https://stackoverflow.com/ques... 

How to detect duplicate values in PHP array?

I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array: ...
https://stackoverflow.com/ques... 

What really is a deque in STL?

...ternally uses a T** to represent the map. Each data block is a T* which is allocated with some fixed size __deque_buf_size (which depends on sizeof(T)). share | improve this answer | ...
https://stackoverflow.com/ques... 

String, StringBuffer, and StringBuilder

...copied, but this means a potentially much larger amount of data may remain allocated). You use StringBuilder when you need to create a mutable character sequence, usually to concatenate several character sequences together. You use StringBuffer in the same circumstances you would use StringBuilder, ...
https://stackoverflow.com/ques... 

Passing an Array as Arguments, not an Array, in PHP

I seem to remember that in PHP there is a way to pass an array as a list of arguments for a function, dereferencing the array into the standard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not ...
https://stackoverflow.com/ques... 

How to calculate the difference between two dates using PHP?

... Use this for legacy code (PHP < 5.3). For up to date solution see jurka's answer below You can use strtotime() to convert two dates to unix time and then calculate the number of seconds between them. From this it's rather easy to calculate differ...
https://stackoverflow.com/ques... 

Smart pointers: who owns the object? [closed]

..., these 3 kinds cover most of my needs: shared_ptr - reference-counted, deallocation when the counter reaches zero weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate auto_ptr - when the creation and deallocation happen inside the same function, or when the object has ...
https://stackoverflow.com/ques... 

What is the canonical way to determine commandline vs. http execution of a PHP script?

I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...