大约有 40,000 项符合查询结果(耗时:0.0317秒) [XML]
How do I deep copy a DateTime object?
...or now assume DateTime is returned from some opaque API that I can't just call over again. For example, I have a function that handles orders that returns a DateTime which is when the customer can next place an order. Calling the function to create a copy produces side effects I don't want.
...
Calling a function within a Class method?
...c function newTest(){
$this->bigTest();
$this->smallTest();
}
private function bigTest(){
//Big Test Here
}
private function smallTest(){
//Small Test Here
}
public function scoreTest(){
//Scoring code here;
...
How can I capture the result of var_dump to a string?
... most likely have a negative effect on performance here. It also can get really messy if you need to look at multiple variables during the execution of a complex script.
– selfawaresoup
Dec 27 '09 at 16:45
...
Website screenshots
...
Sure you can, but you'll need to render the page with something.
If you really want to only use php, I suggest you HTMLTOPS, which renders the page and outputs it in a ps file (ghostscript), then, convert it in a .jpg, .png, .pdf.. can be little slower with complex pages (and don't support all the ...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta.
...
How to validate an email address in PHP
...($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not valid
}
But this still doesn't guarantee that the mail exists. The only way to find that out is by sending ...
C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C语言面试那些事儿──一道指针与数组问题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码:
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
...
Picture Control(图片控件)中静态显示位图,解决位图不显示的问题 - C/C++ ...
...cture Control(图片控件)中静态显示位图,解决位图不显示的问题Picture Control(图片控件)中静态显示位图,如果出现不显示的问题,可以再手动调一下ShowWindow方法,一般就OK了。Picture Control(图片控件)中静态显示位图,代码如下:
v...
过去十年你吃的月饼有什么问题 - 资讯 - 清泛网 - 专注C/C++及内核技术
过去十年你吃的月饼有什么问题大数据告诉你,过去十年你吃的月饼有什么问题。
月饼 问题
重装系统后硬盘不引导了怎么办? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...冷静思考了一下,能用U盘启动到XP桌面,硬件应该是没有问题的!WINDOWS系统也应该是没有问题的!最有可能出现的问题是硬盘的主引导(MBR)扇区,一定有问题!因为U盘引导后,菜单上选择从硬盘启动可以正常进入硬盘上的XP...