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C# Sort and OrderBy comparison
...am
{
class NameComparer : IComparer<string>
{
public int Compare(string x, string y)
{
return string.Compare(x, y, true);
}
}
class Person
{
public Person(string id, string name)
{
Id = id;
Name = ...
How does the static modifier affect this code?
...uctor, hence the value of num1 and num2 becomes 1.
And then, again, static int num2=0; will be executed, which makes num2 = 0;.
Now, suppose your constructor is like this:
private A(){
num1++;
num2++;
System.out.println(obj.toString());
}
This will throw a NullPointerException as ob...
Command line progress bar in Java
... - it goes back to the start of the same line.
So the thing to do is to print your progress bar, for example, by printing the string
"|======== |\r"
On the next tick of the progress bar, overwrite the same line with a longer bar. (because we are using \r, we stay on the same line) For ex...
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...
Struct Constructor in C++?
...
struct TestStruct {
int id;
TestStruct() : id(42)
{
}
};
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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
...
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...
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...
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...
C# Thread safe fast(est) counter
...
This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Increment
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