C#

Thread myThread = new Thread(() => myInfo.Invoke(null, null));
myThread.ApartmentState = ApartmentState.STA;
myThread.Start(); 

result = Enumerable.Select(Enumerable.OrderBy(Enumerable.Where(Enumerable.GroupBy(source, groupBy), filter), sorting), projection);

// versus:
result = source.GroupBy(groupBy).Where(filter).OrderBy(sorting).Select(projection);

Func<Student, Func<Student, dynamic>, dynamic, bool> dynMatchFromMultiTypeList = (student, listSelector, itemList) 
    => listSelector(student) != null && Enumerable.Any(Enumerable.Intersect(listSelector(student), itemList));

result = students.Where(student => dynMatchFromMultiTypeList(student, s => s.Scores, new List<int> { 88, 91 }));

result = students.Where(student => student.Scores != null && student.Scores.Intersect(new List<int> { 88, 91 }).Any());

// This function takes a selector delegate, and returns a function which takes a list of values and returns a reusable filter predicate:
Func<Func<Student, dynamic>, Func<dynamic, Func<Student, bool>>> studentFilterFactory 
    = listSelector => itemList => student =>
    listSelector(student) != null && Enumerable.Any(Enumerable.Intersect(listSelector(student), itemList));

// This function takes a list of values, and returns a reusable filter predicate:
Func<dynamic, Func<Student, bool>> filterByScoresFactory = studentFilterFactory(student => student.Scores);

Func<Student, bool> filterBySpecificScores = filterByScoresFactory(new List<int> { 88, 91 });
// Func<Student, bool> filterByOtherScores = filterByScoresFactory(new List<int> { 42, 101 });

result = students.Where(filterBySpecificScores);

Uri URL = new Uri("http://www.jassimrahma.com/speedtest/1024kb.txt");
WebClient wc = new WebClient();
double starttime = Environment.TickCount;

// download file from the specified URL, and save it to C:\speedtest.txt
wc.DownloadFile(URL, @"C:\temp\speedtest\speedtest.txt");

// get current tickcount
double endtime = Environment.TickCount;

// how many seconds did it take?
// we are calculating this by subtracting starttime from endtime
// and dividing by 1000 (since the tickcount is in miliseconds.. 1000 ms = 1 sec)
double secs = Math.Floor(endtime - starttime) / 1000;

// round the number of secs and remove the decimal point
double secs2 = Math.Round(secs, 0);


// calculate download rate in kb per sec.
// this is done by dividing 1024 by the number of seconds it
// took to download the file (1024 bytes = 1 kilobyte)
double kbsec = Math.Round(1024 / secs);
lblStatus.Text = "Download rate: " + kbsec + " kb/sec";
try
{
    // delete downloaded file
    System.IO.File.Delete(@"C:\temp\speedtest\speedtest.txt");
    // Response.Write("Done.");
}
catch
{
    // lblStatus.Text = "Couldn't delete download file.":

    // Response.Write("Couldn't delete download file.");
    // Response.Write("To delete the file yourself, go to your C-drive and look for the file 'speedtest.txt'.");
}