Recent questions tagged Reflection

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reflection - How can I get the primitive name of a type in C#?

I'm using reflection to print out a method signature, e.g. foreach (var pi in mi.GetParameters()) { ... : System.Nullable`1[System.Int32] See Question&Answers more detail:os...

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

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reflection - How to call a private method from outside a java class

I have a Dummy class that has a private method called sayHello. I want to call sayHello from outside ... IllegalAccessException. Any ideas??? See Question&Answers more detail:os...

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

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625 views

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reflection - C#: How to get all public (both get and set) string properties of a type

I am trying to make a method that will go through a list of generic objects and replace all their properties of ... know cause I want to learn! See Question&Answers more detail:os...

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

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reflection - Java: accessing private constructor with type parameters

This is a followup to this question about java private constructors. Suppose I have the following class: class Foo<T> ... out.println(foo); } } See Question&Answers more detail:os...

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

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442 views

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reflection - Instantiating a JavaScript object by calling prototype.constructor.apply

Let me start with a specific example of what I'm trying to do. I have an array of year, month, day, hour ... ? I'm testing with Firefox BTW. See Question&Answers more detail:os...

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

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473 views

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reflection - Determine if a Class implements a interface in Java

I have a Class object. I want to determine if the type that the Class object represents implements a specific interface. ... (), clazz); } } See Question&Answers more detail:os...

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

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466 views

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reflection - Java dynamic function calling

I have a String array that contains names of method in the yyyyyy class In the xxxxxx class I'm making a yyyyyy ... in a loop. 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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563 views

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reflection - Can I obtain C++ type names in a constexpr way?

I would like to use the name of a type at compile time. For example, suppose I've written: constexpr size_t my_strlen ... to get a type's name? See Question&Answers more detail:os...

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

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494 views

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reflection - Java seek a method with specific annotation and its annotation element

Suppose I have this annotation class @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface MethodXY ... it? Thanks See Question&Answers more detail:os...

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

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571 views

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reflection - Get a Swift Variable's Actual Name as String

So I am trying to get the Actual Variable Name as String in Swift, but have not found a way to do so.. ... want the Actual name of the Variable. See Question&Answers more detail:os...

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

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567 views

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reflection - Java: newInstance of class that has no default constructor

I'm trying to build an automatic testing framework (based on jUnit, but that's no important) for my students' ... any answer. Thanks in advance. See Question&Answers more detail:os...

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

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450 views

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reflection - How can I get the list of a columns in a table for a SQLite database?

I am looking to retrieve a list of columns in a table. The database is the latest release of SQLite (3.6, I ... . length, data type, etc...) See Question&Answers more detail:os...

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

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592 views

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reflection - Finding the PHP File (at run time) where a Class was Defined

Is there any reflection/introspection/magic in PHP that will let you find the PHP file where a particular class (or ... on a "stock" install. See Question&Answers more detail:os...

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

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552 views

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reflection - How to get the name of a function in Go?

Given a function, is it possible to get its name? Say: func foo() { } func GetFunctionName(i interface{}) ... to understand how to use it. See Question&Answers more detail:os...

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

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498 views

1 answer

reflection - How to tell if a JavaScript function is defined

How do you tell if a function in JavaScript is defined? I want to do something like this function ... when callback is not defined. See Question&Answers more detail:os...

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

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534 views

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reflection - Simple way to get wrapper class type in Java

I have a piece of code where I need to pass the class of a field in a method. Because of the mechanics of ... and more elegant way of doing it. See Question&Answers more detail:os...

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

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485 views

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reflection - How do I create an instance from a string in C#?

I'm reading information from an XML which contains the type of an object that I need to instantiate along ... in the project properties. See Question&Answers more detail:os...

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

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559 views

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reflection - How to get string name of a method in java?

How can I find out through reflection what is the string name of the method? For example given: class Car{ public void ... ) == "getFoo" // TRUE See Question&Answers more detail:os...

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

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375 views

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reflection - Using .Net, how can I determine if a type is a Numeric ValueType?

But here's an example: Dim desiredType as Type if IsNumeric(desiredType) then ... EDIT: I only know the Type, not ... : return 1; } ;return 0; See Question&Answers more detail:os...

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

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570 views

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reflection - Create objective-c class instance by name?

Is it possible to create an instance of a class by name? Something like: NSString* className = @"Car"; id* p = ... c but seems like it would be, See Question&Answers more detail:os...

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

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638 views

1 answer

reflection - Dumping a java object's properties

Is there a library that will recursively dump/print an objects properties? I'm looking for something similar to the ... that I can't modify. See Question&Answers more detail:os...

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

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522 views

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reflection - Dynamically find the class that represents a primitive Java type

I need to make some reflective method calls in Java. Those calls will include methods that have arguments that ... work with my requirements. See Question&Answers more detail:os...

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

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608 views

1 answer

reflection - Getting method parameter names

Given the following Go method: func (t *T) TMethod(data *testData) (interface{}, *error) { ... } I want to ... I get the name of the parameter? See Question&Answers more detail:os...

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

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628 views

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reflection - c# Creating an unknown generic type at runtime

So I have a class that is a generic and it may need to, inside a method of its own, create an instance ... .GetType().ToString()); Thanks. See Question&Answers more detail:os...

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

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645 views

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reflection - Retrieve only static fields declared in Java class

I have the following class: public class Test { public static int a = 0; public int b = 1; } Is ... instance represents a static field or not. See Question&Answers more detail:os...

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

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