大约有 23,000 项符合查询结果（耗时：0.0361秒） [XML]
Unmangling the result of std::type_info::name
...
}
#endif
Usage:
#include <iostream>
#include "type.hpp"
struct Base { virtual ~Base() {} };
struct Derived : public Base { };
int main() {
Base* ptr_base = new Derived(); // Please use smart pointers in YOUR code!
std::cout << "Type of ptr_base: " << type(ptr_base...
Can CSS detect the number of children an element has?
... misleading. Note that, in CSS3, styles cannot be applied to a parent node based on the number of children it has. However, styles can be applied to the children nodes based on the number of siblings they have.
Original answer:
Incredibly, this is now possible purely in CSS3.
/* one item */
li:...
Why '&&' and not '&'?
...not computed using bitwise calculations. The result is basically looked up based on the values of the two operands, because the number of possibilities is so small.
Because both values are used for the lookup, this implementation isn't short-circuiting.
...
Minimum and maximum value of z-index?
I have a div in my HTML page. I am showing this div based on some condition, but the div is displaying behind the HTML element where I pointed the mouse cursor.
...
Interface vs Base class
When should I use an interface and when should I use a base class?
38 Answers
38
...
How to print Boolean flag in NSLog?
...ol value: %d",b);
or
NSLog(@"bool %s", b ? "true" : "false");
On the bases of data type %@ changes as follows
For Strings you use %@
For int you use %i
For float and double you use %f
share
|
...
How do I get the application exit code from a Windows command line?
... and want to see what its return code is (since it returns different codes based on different errors).
7 Answers
...
SFTP in Python? (platform independent)
...
There's also code.google.com/p/pysftp which is based on Paramiko, but easier to use
– franzlorenzon
Feb 8 '13 at 14:08
1
...
How to generate a random string of a fixed length in Go?
...te, n)
for i := range b {
b[i] = letterBytes[rand.Int63() % int64(len(letterBytes))]
}
return string(b)
}
This works and is significantly faster, the disadvantage is that the probability of all the letters will not be exactly the same (assuming rand.Int63() produces all 63-bit ...
What does string::npos mean in this code?
...can not be negative... real meaning is max_index, 18446744073709551615 for 64 bit size_t
– NoSenseEtAl
Sep 4 '14 at 12:33
add a comment
|
...