C#

George_George wrote:

Are there any existing utility class to do this? Not all URLs begins with protocol part, like http://, and not all ends with /, so I feel hard when I try to write a parser by myself;

Uri uri = new Uri("http://abc.com/some/address/abc.html");
Console.WriteLine(uri.Host);

George_George wrote:

Is domain case sensitive or not? i.e. abc.com the same as ABc.Com?

George_George wrote:

I want to get top 10 elements from the Dictionary with the maximum 10 int values,

("entry1", 1);
("entry2", 2);
("entry3", 3);
("entry4", 10);
("entry5", 5);

int[] values = list.Values.ToArray();
values.Sort();
int tr = values[values.Length - 10];
List<KeyValuePair<string,int>> = list.Where(item=>item.Value>=tr).ToList();

List<KeyValuePair<string,int>> = list.Where(item=>item.Value>=tr).ToList();

George_George wrote:

From left side of the assignment, do you miss a variable name?

George_George wrote:

What does this operator mean item=>item.Value>=tr?

int[] values = dictionary.Values.ToArray();
values.Sort();
int tr = values[values.Length - 10];
List<KeyValuePair<string,int>> result = new List<KeyValuePair<string,int>>();
foreach (KeyValuePair<string,int> item in dictionary) {
   if (item.Value >= tr) {
      result.Add(item);
   }
}