Recent questions tagged Reflection

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reflection - scala macros: Add function to class

I'm new to scala macros and I'm using scala 2.10.0-RC3. I want to write a macro that adds a function ... is there another way to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

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reflection - How to use scala macros to create a function object (to create a Map[String, (T) => T])

I am trying to use Scala macros to create a case class map of single-parameter copy methods, with each method ... , s: String) copyMap[Clazz] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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reflection - Immutable class in java

I made my class immutable by following all java standards A. Defined class as final B. declared all fields as ... the class? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

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reflection - Tracing all events in VB.NET

I keep running into situations where I don't know what event I have to listen to in order to execute my code ... want to add your handlers to. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

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reflection - How to get a function's signature as string in go

I'm implementing a go module that loads go plugins. I'm assuming a function with a certain name and a certain ... fmt.Printf("%T", lol) } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

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reflection - Getting public fields (and their respective values) of an Instance in Scala/Java

PHP introduces a method that allows you to pick out all public values of an instance. Is there any way to do this in ... ", 1) ) // its output See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reflection - how to get parameter's annotation in java?

I'm a new Java programmer. Following is my code: public void testSimple1(String lotteryName, int useFrequence, Date ... = "lotteryFee.csv") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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reflection - Java: Load class from string

I know this has probably something to do with class loaders, however I couldn't find an example (it might be I'm ... )? Thank you for any hints. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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reflection - How can I list the properties of an object programmatically in VB6?

A friend of mine is working on a legacy VB6 project. I haven't touched that language in ten years, so I'm ... called.) How can this be done? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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707 views

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reflection - Is it possible to get the contents of a loaded .net assembly as a byte array or stream?

Is it possible to get the contents of a loaded .net assembly as a byte array or stream? What I'm ... all needed assemblies to temporary files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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854 views

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reflection - in Dart, using Mirrors, how would you call a class's static method from an instance of the class?

if I have an instance, and I know the instance's class contains a static method named statFn(), how do I call ... get lettuce of food's type? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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673 views

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reflection - Java - Get arguments passed to a method?

Is it possible to get arguments pass to a method in Java using reflection api? Is it possible to achieve this ... { super.printArguments(); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

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reflection - Does the typeof() operator in C# allocate a new Type object on the heap, or return an existing one?

Should be pretty self-explanatory, but this is in the context of real-time XNA code where I want to avoid ... asking this question as well =) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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reflection - Accessing an instance variable by name (string), kinda like dynamic languages do, in C#

i've got some C# code like this: string fieldName = ... string value = ... if (fieldName == "a") a = ... is kindof similar so i was hoping.... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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636 views

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reflection - Is it possible to detect namespace membership in C++?

For C++ types, the <type_traits> header gives us many useful compile-time reflection capabilities. E.g. std:: ... / sizeof / SFINAE test! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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730 views

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reflection - iterate static int values in java

I have a simple question. Is there a way ( using reflections I suppose ) to iterate all the static values of a ... } } Output 1 2 3 Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

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reflection - Using java.lang.reflect.getMethod with polymorphic methods

Consider the following snippet: public class ReflectionTest { public static void main(String[] args) { ... String.class) parameters? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

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reflection - How to access properties of Python super classes e.g. via __class__.__dict__?

How can I get all property names of a python class including those properties inherited from super classes? class ... C inherited from B. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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reflection - Scala Class.getFields

For purposes of my app I need to be able to find out a list of fields of a type (not an instance) and ... purposes? How's that done correctly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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741 views

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reflection - How return the type of a System.__COMObject in System.Type in C#

I'm doing a program and I want to do a Reflection, but for this, I need an Object of the Type class, ... Type, Can any genious please help me? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

1 answer

reflection - What is the opposite of Ruby's include?

If I have a class instance, containing several included modules, can I dynamically un-include a specific module (In ... to replace it)? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reflection - SetValue on PropertyInfo instance error "Object does not match target type" c#

Been using a Copy method with this code in it in various places in previous projects (to deal with objects that ... where I am being daft??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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933 views

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reflection - Listener on Method.invoke java

Hi, everyone. I want to add a listener on an invoked method by calling like this : myClass.myMethod(...); ... the work. Thanks for your answer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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715 views

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reflection - How to use SuperObject to invoke methods that uses an Object as parameter in Delphi?

We can use the SuperObject library to invoke methods of a certain object by its name and giving its ... library can be downloaded here See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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633 views

1 answer

reflection - How can I get fields used in a method (.NET)?

In .NET, using reflection how can I get class variables that are used in a method? Ex: class A { ... Parameters of that specific variable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

1 answer

reflection - Merging two objects in Java

I have two objects of same type. Class A { String a; List b; int c; } A obj1 = new A(); A obj2 = new ... = (same arraylist from obj2); c = 10} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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740 views

1 answer

reflection - Type Parameters on Scala Macro Annotations

I'm trying to use macro annotations in scala, where my macro annotation would take an argument of another type. ... that doesn't compile either. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

1 answer

reflection - Is it possible to get the declaration name of an object at runtime in java?

Lets say i have a a button somewhere in the code: "JButton closeButton". I dont know that it's called ... lead, i can eliminate possibilities. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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