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//WPF part
<ItemsControl ItemsSource="{Binding companyList}">
  <ItemsControl.ItemTemplate>
    <DataTemplate>
      <RadioButton Command="{Binding Path= DataContext.ChooseCompanyCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}}" CommandParameter="{Binding CompanyID}" GroupName="Company" Content="{Binding CompanyName}"/>
    </DataTemplate>
  </ItemsControl.ItemTemplate>
</ItemsControl>

//ViewModel

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void Method (int a = 0, int b = 0, int c = 0, int d = 0) { ... }

Method (d:3);
//a=0, b=0, c=0, d=3

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static IEnumerable<int> Fibs (int fibCount)
{
  for (int i = 0, prevFib = 1, curFib = 1; i < fibCount; i++)
  {
    yield return prevFib;
    int newFib = prevFib+curFib;
    prevFib = curFib;
    curFib = newFib;
  }
}

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var actress  = new { Name = "Rosario", Surname="Dawson",  Age = 34 };
//OR
int Age= 34;
var actress  = new { Name = "Rosario", Surname="Dawson",  Age };

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GOOGLE: intitle:"index.of"  (mp3) BAND_NAME -html -htm -php -jsp
BING: BAND_NAME contains:mp3 intitle:"index of"

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StreamReader reader = new StreamReader(PathToFile);  
while (!reader.EndOfStream) 
{
  string line = reader.ReadLine();
}

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INSERT INTO user(mail, adress) VALUES('[email protected]','Unknown'); 
select LAST_INSERT_ID();

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DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")

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<DockPanel LastChildFill="True" Grid.Column="1" Grid.Row="1" Margin="0">
  <Button ToolTip="Edit" DockPanel.Dock="Right"  Width="Auto" Height="20" VerticalAlignment="Bottom" Content="Edit" Command="{Binding OpenTextEditorCommand}"/>
  <TextBox DockPanel.Dock="Left" Width="Auto" MinHeight="60" MaxHeight="100" Text="{Binding Model.Text, UpdateSourceTrigger=PropertyChanged, ValidatesOnDataErrors=True}" HorizontalAlignment="Stretch" TextWrapping="Wrap" VerticalScrollBarVisibility="Visible" AcceptsReturn="True" ></TextBox>
</DockPanel>

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window.Closing += (sender, args) => { 
  if(Model.CanSave)
      if (MessageBox.Show("Save?", "Saving", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
      {
          Model.Save();
      }
      else
      {
          Model.Cancel();
      }