We are using LINQ very widely in our system. Particularly LINQ-to-objects. So in some places we end up having a LINQ query in memory build up from some huge expressions. The problem comes when there's some bug in the expressions. So we get NullReferenceException and the stack trace leads us nowhere (to [Lightweight Function]). The except...
Let's say I have the following code which update a field of a struct using reflection. Since the struct instance is copied into the DynamicUpdate method, it needs to be boxed to an object before being passed.
struct Person
{
public int id;
}
class Test
{
static void Main()
{
object person = RuntimeHelpers.GetObject...
Is it possible to pass a lambda expression to a secondary AppDomain as a stream of IL bytes and then assemble it back there using DynamicMethod so it can be called?
I'm not too sure this is the right way to go in the first place, so here's the (detailed) reason I ask this question...
In my applications, there are a lot of cases when I ...
Dear ladies and sirs.
I am trying to invoke an internal method from a dynamically generated one. The il code is simple: ldarg_0, callvirt, ret.
Executing the method fails with TypeLoadException saying it cannot load the type on which the internal method is defined.
When I think of it, this seems logical, because the dynamic method hos...
I am trying create a delegate representation of constructor by emitting a Dynamic Method, which has to match this very "loosely-typed" signature so it can be used with any kind of parametrized constructor:
public delegate Object ParamsConstructorDelegate(params object[] parameters);
and the code for this creating the delegate looks li...
class A { void F() { System.out.println("a"); }}
class B extends A { void F() { System.out.println("b"); }}
public class X {
public static void main(String[] args) {
A objA = new B();
objA.F();
}
}
Here, F() is being invoked dynamically, isn't it?
This article says:
... the Java bytecode doesn’t ...
Hi,
I am pretty sure that Ruby has these (equivalents for __call, _get and _set), because otherwise how find_by would work in Rails? Maybe someone could give a quick example of how to define methods that act same as find_by?
Thanks
...
I am trying to define a set of functions where I can pass in given params.
for example, how do i do the following?
>> get_1_type("xxx")
V4_RELATIONSHIP_TYPES=[1=>2,3=>4]
V4_RELATIONSHIP_TYPES.keys.each do |key|
self.class.send(:define_method, "get_#{key}_type".downcase) do
return GuidInfo.get_or_new(PARAMS, V4_RELATIONSHIP_TYPES[...
I asked a previous question on class methods, but I really want to understand how to do this for instance methods as well. Thanks! =)
The code below sets class methods for a given array:
class Testing
V4_RELATIONSHIP_TYPES=[1=>2,3=>4]
V4_RELATIONSHIP_TYPES.keys.each do |key|
self.class.send(:define_method, "get_#{key}_type"...
Here's my idea: Start with a simple object:
class dynamicObject(object):
pass
And to be able to add pre written methods to it on the fly:
def someMethod(self):
pass
So that I can do this:
someObject = dyncamicObject()
someObject._someMethod = someMethod
someObject._someMethod()
Problem is, it wants me to specify the self...