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Databinding an enum property to a ComboBox in WPF
... get
{
return Enum.GetValues(typeof(MyEnumType))
.Cast<MyEnumType>();
}
}
In XAML the ItemSource binds to MyEnumTypeValues and SelectedItem binds to SelectedMyEnumType.
<ComboBox SelectedItem="{Binding SelectedMyEnumType}" ItemsSource="{Binding MyEnumTypeVal...
How do you load custom UITableViewCells from Xib files?
...l(withIdentifier: "cell", for: indexPath) as? MyCellClass
{
// Cell be casted properly
cell.myCustomProperty = true
}
else
{
// Wrong type? Wrong identifier?
}
And of course, the type of the associated class of the cell is the one you defined in the .xib file for the UITableViewCell su...
Check if a Class Object is subclass of another Class Object in Java
...
if (o instanceof Number) {
double d = ((Number)o).doubleValue(); //this cast is safe
}
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Using Linq to group a list of objects into a new grouped list of list of objects
... Currently the code doesn't work and causes an error if you try to cast it to previous type of list. Because returning a List in select creates a Lists inside a list which is not the desired output here. For those who have problems I can suggest : var groupedCustomerList = userList.GroupBy(...
Best way to get identity of inserted row?
...
Add
SELECT CAST(scope_identity() AS int);
to the end of your insert sql statement, then
NewId = command.ExecuteScalar()
will retrieve it.
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...
@MichaelFirth "double inversion" !! is equivalent to casting something to a bool. Some people like to write it this way.
– Ben XO
Aug 6 '19 at 13:05
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What is the reason behind cbegin/cend?
...that SomeFunctor cannot modify the elements of the vector (without a const-cast, of course). We explicitly get const_iterators, and therefore SomeFunctor::operator() will be called with const int &. If it takes it's parameters as int &, C++ will issue a compiler error.
C++17 has a more el...
How to call any method asynchronously in c#
...t. Have Foo take one input parameter of type object. You'll then have to cast the object to the appropriate type in Foo.
– Denise Skidmore
Mar 2 '17 at 22:50
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Is it possible to dynamically compile and execute C# code fragments?
... select i;
}
}");
results.Errors.Cast<CompilerError>().ToList().ForEach(error => Console.WriteLine(error.ErrorText));
}
}
The class of primary importance here is the CSharpCodeProvider which utilises the compiler to compile code on the fly. If...
structure vs class in swift language
... provide access to their variables
Only class can do:
Inheritance
Type casting
Define deinitialisers
Allow reference counting for multiple references.
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