大约有 40,000 项符合查询结果(耗时:0.0332秒) [XML]
What is the maximum length of a URL in different browsers?
...ails
C# part:
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult ParamTest(string x)
{
ViewBag.TestLength = 0;
if (!string.IsNullOrEmpty(x))
{
System.IO.File.WriteAllLines("c:/result.txt",
new[] {Request.UserAgent, x.Length.ToString()});
ViewBag.Tes...
Why do we need extern “C”{ #include } in C++?
..._gxx_personality_v0
The foo function is actually called "_Z3foov". This string contains type information for the return type and parameters, among other things. If you instead write test.C like this:
extern "C" {
void foo() { }
}
Then compile and look at symbols:
$ g++ -c test.C
$ nm tes...
How to throw an exception in C?
...I started similar project with an structure, but uses an uuid instead of a string to identify each "exception". Your project seems very promising.
– umlcat
Aug 21 '19 at 22:48
...
How to change the default charset of a MySQL table?
...e_prospection
CHARACTER SET utf8,
COLLATE utf8_general_ci;
To change string column charset exceute this query:
ALTER TABLE etape_prospection
CHANGE COLUMN etape_prosp_comment etape_prosp_comment TEXT CHARACTER SET utf8 COLLATE utf8_general_ci;
...
What is the difference between LL and LR parsing?
...n at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol.
An LL parse is a left-to-right, leftmost derivation. That is, we consider the input symbols from the left to the right and at...
How to read from a file or STDIN in Bash?
...ter to add -r to your read command, so that it doesn't accidentally eat \ chars; use while IFS= read -r line to preserve leading and trailing whitespace.
– mklement0
Feb 28 '15 at 23:34
...
Get nth character of a string in Swift programming language
How can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
45 Answers
...
momentJS date string add 5 days
i have a start date string "20.03.2014" and i want to add 5 days to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
...
C语言判断文件是否存在 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是否存在用函数access,头文件是io.h,原型:int access(const char *filename, int amode);amode参数为0时表示检查文件的存在性,如果文件存...用函数access,头文件是io.h,原型:
int access(const char *filename, int amode);
amode参数为0时表示检查文...
scoped_ptr 与 auto_ptr 与 shared_ptr 区别总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...cout<<p.use_count()<<"::"<<p.get()<<std::endl;
}
#include <algorithm>
char upCase(char c)
{
return toupper(c);
}
int _tmain(int argc, _TCHAR* argv[])
{
shared_ptr<Foo> sp1(new Foo());
shared_ptr<Foo> sp2(sp1);
shared_ptr<Foo> sp3;
sp1->print();
sp2->print();
std::cout<<sp1...