Solid development

Sometimes a LINQ query or other method returns a nested collection but you just want one big collection instead. SelectMany is the answer, see the code below. It can off course also be combined with OrderBy or Distinct if you prefer.

List<List<double>> nestedList = new List<List<double>>
                                   {
                                      new List<double> { 1.2, 2.4 },
                                      new List<double> { 3.6, 4.8 }
                                   };

List<double> flatList = nestedList.SelectMany(doubleList => doubleList).ToList();
foreach (double item in flatList)
{
   Console.WriteLine(item);
}

Build fails from some strange reason or build does not perform the things you expect it to do, what to do? Every team build in the TeamBuildTypes folder contains a TFSBuild.rsp file, perform a check out and add the following command argument to it:

/v:diag

Check the file in and run the build; beware that the log size increases dramatically. The build log contains very detailed information, even the contents of all variables used in the build.