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Can I bind an array to an IN() condition?
...operator does not exist: integer = text. At least you need to add explicit casting.
– collimarco
Dec 15 '13 at 17:39
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How to add extension methods to Enums
...od to all enums like returning an int of current value instead of explicit casting?
public static class EnumExtensions
{
public static int ToInt<T>(this T soure) where T : IConvertible//enum
{
if (!typeof(T).IsEnum)
throw new ArgumentException("T must be an enumera...
Select between two dates with Django
... Filtering with dates won’t include items on the last day.
You need to casts the value as date:
...filter(created_at__date__range=(start_date, end_date))
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How to check if a char is equal to an empty space?
...aracter and a String, but char and String are not comparable and cannot be cast to a common base type.
There is such a thing as a Comparator in Java, but it is an interface not a method, and it is declared like this:
public interface Comparator<T> {
public int compare(T v1, T v2...
Python: changing value in a tuple
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It seems unnecessary and memory inefficient to recast into a list and use a temporary variable. You can just unpack into a tuple with the same name and while unpacking update whatever needs updating.
– Brian Spiering
Oct 5 '18 at 3:23
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over
...er appears is the return type from the next method, so it can be safely up-cast to T. But if you have S extends T, you can also assign Iterator<S> to a variable of type Iterator<? extends T>. For example if you are defining a find method:
boolean find(Iterable<Object> where, Objec...
What is the equivalent of the C++ Pair in Java?
...you really want a pair despite the limitations, there's always Object[2] + casts :-)
– marcus
Dec 14 '16 at 0:41
The t...
Is it possible to determine whether ViewController is presented as Modal?
...is property. And after that, inside the controllers, you will have to keep casting self.navigationController to this custom class every time you need to check if the controller is presented as modal
– Felipe Sabino
Dec 30 '11 at 11:27
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Removing an element from an Array (Java) [duplicate]
...compiler, the toArray command gives a type error (the other solution is to cast the result.)
– user1086498
May 27 '13 at 11:28
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Java optional parameters
...You are type-checking for an Integer although your a variable is a String (cast is correct).
– Unknown Id
Feb 10 '16 at 10:59
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