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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...这么一个接口（万幸，他至少把接口定义好了）：
FooInterface.h
#ifndef FOOINTERFACE_H_
#define FOOINTERFACE_H_
#include <string>
namespace seamless {
class FooInterface {
public:
virtual ~FooInterface() {}
public:
virtual std::string g...
Why can't I initialize non-const static member or static array in class?
...tatic data members in class?
The C++ standard allows only static constant integral or enumeration types to be initialized inside the class. This is the reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
If a static data member is of const...
Determine if two rectangles overlap each other?
...rd time visualizing why it works, I made an example page at silentmatt.com/intersection.html where you can drag rectangles around and see the comparisons.
– Matthew Crumley
Nov 20 '08 at 22:20
...
Struct Constructor in C++?
...
struct TestStruct {
int id;
TestStruct() : id(42)
{
}
};
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Difference between pre-increment and post-increment in a loop?
...d 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLine("");
i = 0;
foreach (string item in items)
{
Console.WriteLine(i++);
}
Output:
1
2
3
4
0
1
2
3
foreach and while loops dep...
C# Thread safe fast(est) counter
...
This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Increment
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Difference between ref and out parameters in .NET [duplicate]
...tialized but passing it as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that might be modified, out parameters are for data that's an additional output for the fu...
Haskell Type vs Data Constructor
... of type Colour. We could imagine spicing it up though!
data Colour = RGB Int Int Int
We still have just the type Colour, but RGB is not a value – it's a function taking three Ints and returning a value! RGB has the type
RGB :: Int -> Int -> Int -> Colour
RGB is a data constructor t...
Generating v5 UUID. What is name and namespace?
...UUIDs
An SHA1 hash outputs 160 bits (20 bytes); the result of the hash is converted into a UUID.
With the 20-byte hash from SHA1:
SHA1 Digest: 74738ff5 5367 e958 9aee 98fffdcd1876 94028007
UUID (v5): 74738ff5-5367-5958-9aee-98fffdcd1876
^_low nibble is set to 5, t...
What is the difference between named and positional parameters in Dart?
... parameter. Here is an example:
getHttpUrl(String server, String path, [int port=80]) {
// ...
}
In the above code, port is optional and has a default value of 80.
You can call getHttpUrl with or without the third parameter.
getHttpUrl('example.com', '/index.html', 8080); // port == 8080
ge...