...omString = int.Parse(outputIdParam.Value.ToString()); // Throws InvalidCastException int idFromCast = (int)outputIdParam.Value; // idAsNullableInt remains null int? idAsNullableInt = outputIdParam.Value as int?; // idOrDefaultValue is 0 (or any other value specified to the ?? ope...

...es from the comparison function, such as float, will result in an internal cast to integer of the callback's return value. So values such as 0.99 and 0.1 will both be cast to an integer value of 0, which will compare such values as equal. This is an important trap to bear in mind when using usort ...

...s using the "Map" interface restricts you to only those methods unless you cast the collection back from Map to HashMap (which COMPLETELY defeats the purpose). Often what you will do is create an object and fill it in using it's specific type (HashMap), in some kind of "create" or "initialize" meth...

...ars.id')::int; Config settings are always varchar values, so you need to cast them to the correct data type when using them. This works with any SQL client whereas \set only works in psql The above requires Postgres 9.2 or later. For previous versions, the variable had to be declared in postgre...

...e that when a struct implements an interface - as Enumerator does - and is cast to that implemented type, the struct becomes a reference type and is moved to the heap. Internal to the Dictionary class, Enumerator is still a value type. However, as soon as a method calls GetEnumerator(), a reference-...

... You were missing a compile flag. Moreover I had to cast to size_t the value -1 in stop recursion template function. The updated version is available here (working from Clang 3.3) : goo.gl/vPMkfB – Clement JACOB May 23 '14 at 12:51 ...

...the above error, consider: import inspect import types from typing import cast this_function_name = cast(types.FrameType, inspect.currentframe()).f_code.co_name share | improve this answer ...

I just finished listening to the Software Engineering radio podcast interview with Scott Meyers regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly? ...

...wift type, as in str.bridgeToObjectiveC().length for example. You can also cast a String to an NSString by using str as NSString. However, the necessity for these techniques to explicitly use the Foundation types, or at least some of them, may be obsolete in the future, since from what is stated in...

... Explicitly casting parameters to Object in vararg method invocation will make the compiler happy without resorting to @SuppressWarnings. public static <T> List<T> list( final T... items ) { return Arrays.asList( items )...