Recent questions tagged Reflection

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reflection - How do I get the name of a property from a property in C# (2.0)

I know I could have an attribute but that's more work than I want to go to... and not general enough ... string constants, which I found clumsy. See Question&Answers more detail:os...

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

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732 views

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reflection - How can I create an instance of a Case Class with constructor arguments with no Parameters in Scala?

I'm making a Scala app that sets by reflection field values. This works OK. However, in order to set ... the name of the constructor 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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483 views

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reflection - Java 8 Annotations on Instance creation

In the Javadocs for Annotations, it states that the following can be written in Java 8: new @Interned MyObject(); ... at runtime in Java 8. See Question&Answers more detail:os...

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

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525 views

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reflection - C# - copying property values from one instance to another, different classes

I have two C# classes that have many of the same properties (by name and type). I want to be ... , DefectViewModel>(defect, defectViewModel); See Question&Answers more detail:os...

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

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493 views

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reflection - Is it possible to monkey patch in Java?

I don't want to discuss the merits of this approach, just if it is possible. I believe the answer to be ... be interested to hear other options. See Question&Answers more detail:os...

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

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433 views

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reflection - Why doesn't Rebol 3 honor quoted function parameters that are parenthesized?

The DO dialect uses series of category PAREN! for precedence, and will usually boil away the underlying parentheses structure ... 2) quote == 3 See Question&Answers more detail:os...

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

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560 views

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reflection - How to find each instance of a class in Ruby

Is there a way to get all the objects that are of a certain class in Ruby? To clarify: class Pokemon end ... a native Ruby approach to it. See Question&Answers more detail:os...

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

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495 views

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reflection - Is there a way to loop through and execute all of the functions in a Python class?

I have class Foo(): function bar(): pass function foobar(): pass Rather than executing each function one by ... they are written in the class? See Question&Answers more detail:os...

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

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439 views

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reflection - How do I compile an Expression Tree into a callable method, C#?

I have an expression tree I have created by parsing an Xml using the expression class in C#. See this ... the IL manually? Kind regards, See Question&Answers more detail:os...

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

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479 views

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reflection - How do I get the Array Item Type from Array Type in .net

Say I have an System.String[] type object. I can query the type object to determine if it is an array ... // should be typeof(System.String) See Question&Answers more detail:os...

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

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579 views

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reflection - c# getting interface method comments

Say I have interface IFoo { /// <summary> /// Comments about Bar method goes here. /// </summary> void Bar() ... is any way to do this. 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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534 views

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reflection - Get callers method (java.lang.reflect.Method)

I would like to get the calling method java.lang.reflect.Method. NOT the name of the method. Here is an ... It's for testing purpose only! See Question&Answers more detail:os...

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

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1.2k views

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reflection - Getting a property/field name using getter method of a pojo/java bean?

I have a below class and i need to get field name from getter method using java reflection. Is it ... it possible through java reflection? See Question&Answers more detail:os...

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

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518 views

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reflection - How to get class annotation in java?

I have created my own annotation type like this: public @interface NewAnnotationType {} and attached it to a class: ... What am I doing wrong? See Question&Answers more detail:os...

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

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415 views

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reflection - Julia: invoke a function by a given string

Does Julia support the reflection just like java? What I need is something like this: str = ARGS[1] # str ... # invoke the function str() See Question&Answers more detail:os...

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

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612 views

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reflection - How to discover all package types at runtime?

As far as I'm aware (see here, and here) there is no type discovery mechanism in the reflect package, ... that embed the expected library 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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414 views

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reflection - Modifying Existing .NET Assemblies

Is there a way to modify existing .NET assemblies without resorting to 3rd party tools? I know that PostSharp makes ... I'll look into that. See Question&Answers more detail:os...

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

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606 views

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reflection - Why should I care about RTTI in Delphi?

I've heard a lot about the new/improved RTTI capabilities of Delphi 2010, but I must admit my ignorance...I ... it in a real-world application? See Question&Answers more detail:os...

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

0 votes

443 views

1 answer

reflection - Objective-C class -> string like: [NSArray className] -> @"NSArray"

I am trying to get a string name of a class from the class object itself. // For instance [NSArray className] ... object, and not an instance? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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405 views

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reflection - How can I programmatically change the argspec of a function in a python decorator?

Given a function: def func(f1, kw='default'): pass bare_argspec = inspect.getargspec(func) @decorator def func2( ... in the answer, too) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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717 views

1 answer

reflection - Property include/exclude on Kotlin data classes

Suppose I only want one or two fields to be included in the generated equals and hashCode implementations ( ... constructor definition is ugly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

1 answer

reflection - Testing if an Object is a Dictionary in C#

Is there a way to test if an object is a dictionary? In a method I'm trying to get a value from a ... the rest after those values are retrieved. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

1 answer

reflection - Get value of a parameter of an annotation in Java

So I've got a code: @Path("/foo") public class Hello { @GET @Produces("text/html") public String getHtml( ... can I do it using reflection ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

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reflection - Is there a way for a SecurityManager in java to selectively grant ReflectPermission("suppressAccessChecks")?

Is there any way for a SecurityManager in Java to selectively grant ReflectPermission("suppressAccessChecks") ... is sufficiently restrictive? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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reflection - Access property using its name in vb.net

For example: Sub Test() Dim car as new MyCar car.chassis.wheel.radius = 15 Console.WriteLine(car.chassis.wheel. ... chassis.wheel.radius") = 15? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

1 answer

reflection - Is something similar to ServiceLoader in Java 1.5?

How do I discover classes at runtime in the classpath which implements a defined interface? ServiceLoader suits well (I ... it in Java 1.5. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

805 views

1 answer

reflection - How to get the list of all attributes of a Java object using BeanUtils introspection?

I have method which gets a POJO as it's parameter. Now I want to programmatically get all the attributes of ... I write my own reflection code? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

479 views

1 answer

reflection - Setting variables by name in Java

I'm looking to implement something in Java along the lines of: class Foo{ private int lorem; // private ... data structures. Is this possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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