Recent questions tagged Reflection

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416 views

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reflection - Android: how to code depending on the version of the API?

In Android I get the version of the SDK easily (Build.VERSION.SDK) but I need to use ... INSTANCE.BuildLabeledIntent(URLtest,theIntent); See Question&Answers more detail:os...

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

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855 views

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reflection - Why does Scala place a dollar sign at the end of class names?

In Scala when you query an object for either its class or its class name, you'll get a rogue dollar sign (" ... to "configure Scala" to omit 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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390 views

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reflection - Is it possible to extend an individual object in Smalltalk

I'm doing research in Smalltalk reflection, and I was wondering if it was possible to extend an individual object ... it isn't in smalltalk. See Question&Answers more detail:os...

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

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729 views

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reflection - Java 8: convert lambda to a Method instance with closure included

(This is difficult to search because results are all about "method reference") I want to get a Method instance ... logic + the clousure data. See Question&Answers more detail:os...

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

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600 views

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reflection - How to get a Class Object from the Class Name in Java

I know the class name, say "MyClass" and want to retrieve the Class object, ie. MyClass.class for future ... for not mentioning this before. See Question&Answers more detail:os...

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

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339 views

1 answer

reflection - PHP : ReflectionParameter, isOptional vs isDefaultValueAvailable

What is the difference between two. both of these are working exactly in a same way. public static function getArgsArray ... ); } return $arr; } See Question&Answers more detail:os...

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

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489 views

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reflection - How to get a Class Object from the Class Name in Java

I know the class name, say "MyClass" and want to retrieve the Class object, ie. MyClass.class for future ... for not mentioning this before. See Question&Answers more detail:os...

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

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390 views

1 answer

reflection - PHP : ReflectionParameter, isOptional vs isDefaultValueAvailable

What is the difference between two. both of these are working exactly in a same way. public static function getArgsArray ... ); } return $arr; } See Question&Answers more detail:os...

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

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467 views

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reflection - Retrieve Target Framework Version and Target Framework Profile from a .Net Assembly

Is there any way that I can access the values that were used for TargetFrameworkVersion and/or TargetFrameworkProfile ... other methods I will. 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

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reflection - How to create a class dynamically in java

I don't know if this is even possible. Anyway, here is my problem: I want to create a Class having a ... Can you help me starting this? Tnks See Question&Answers more detail:os...

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

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395 views

1 answer

reflection - Can Javascript get a function as text?

Can Javascript get a function as text? I'm thinking like the inverse of eval(). function derp() { a(); b(); c(); ... b(); c();" Does it exist? See Question&Answers more detail:os...

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

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512 views

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reflection - What's the best way to discover all subroutines a Perl module has?

What's the best way to programatically discover all of the subroutines a perl module has? This could be a module, ... thought has gone into 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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1.1k views

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reflection - Scala: set a field value reflectively from field name

I'm learning scala and can't find out how to do this: I'm doing a mapper between scala objects and google ... an error because of that. Thanks See Question&Answers more detail:os...

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

0 votes

343 views

1 answer

reflection - Does GetCustomAttributes() preserve the attribute order in .NET?

The title pretty much says it all. When I'm doing some reflection through my classes, will the MemberInfo. ... would be a bad idea? See Question&Answers more detail:os...

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

0 votes

646 views

1 answer

reflection - Given a type instance, how to get generic type name in C#?

Given a generic type, including List<string> Nullable<Int32> How do I get a generic name for C#? var t = ... but I need "Nullable<DateTime>". See Question&Answers more detail:os...

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

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610 views

1 answer

reflection - php create class method at runtime

I am wondering if there is a way to attach a new method to a class at runtime, in php. I mean, not ... a thing be done with reflection? Thanks See Question&Answers more detail:os...

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

0 votes

403 views

1 answer

reflection - Printing out variables and values in a Groovy object

How can I print out the (public and internal) variables and their values of a Groovy object? I.e class X { ... dynamic solution, i.e at runtime. See Question&Answers more detail:os...

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

0 votes

599 views

1 answer

reflection - What is the C# equivalent to Java's isInstance()?

I know of is and as for instanceof, but what about the reflective isInstance() method? See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

reflection - Getting object instance by string name in scala

I need the object (or "singleton object" or "companion object"... anything but the class) defined by a string ... "instance is what I wanted" } 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

1 answer

reflection - Modifying final fields in Java

Let's start with a simple test case: import java.lang.reflect.Field; public class Test { private final int ... 84 direct: stringValue = 42 See Question&Answers more detail:os...

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

0 votes

519 views

1 answer

reflection - Java: How to load a class (and its inner classes) that is already on the class path?

How can I load a class that is already on the class path, instantiate it, and also instantiate any inner ... public class InnerClass { } } See Question&Answers more detail:os...

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

0 votes

620 views

1 answer

reflection - How to get an enum value from an assembly using late binding in C#

I have a C# 3.0 WinForms application which is occasionally required to control Excel with automation. This is ... tell me the value. 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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531 views

1 answer

reflection - Any way to obtain a Java class from a Scala (2.10) type tag or symbol?

Looks like this gets me close, but (a) not quite (see below), and (b) using the string representation of a name ... of Java class info? (Ugh!) See Question&Answers more detail:os...

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

0 votes

330 views

1 answer

reflection - Does GetCustomAttributes() preserve the attribute order in .NET?

The title pretty much says it all. When I'm doing some reflection through my classes, will the MemberInfo. ... would be a bad idea? See Question&Answers more detail:os...

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

0 votes

667 views

1 answer

reflection - java: unchecked call to getConstructor(java.lang.Class<?>...)

I am using reflection to construct a class (ConfigBuilder) that takes a File as argument: Class myClassType = ... message Any idea ? David See Question&Answers more detail:os...

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

0 votes

714 views

1 answer

reflection - Name of the constructor arguments in c#

I've a requirement in which i need to get the variables names of the constructor in my class. I tried it ... want "iArg" and "strArg" Thanks See Question&Answers more detail:os...

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

0 votes

675 views

1 answer

reflection - How to get (sub)class name from a static method in Python?

If I define: class Bar(object): @staticmethod def bar(): # code pass class Foo(Bar): # code pass Is it ... ) to determine the class name Foo? See Question&Answers more detail:os...

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

0 votes

451 views

1 answer

reflection - Given a C# Type, Get its Base Classes and Implemented Interfaces

I'm working on a game engine in C#. The class I'm working on is called CEntityRegistry, and its job is to ... How would I go about writing 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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