introspection

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How can I tell if a method is read-write, read-only, or write-only, via introspection?

I am coming from Java, and want to know if I can \'set\' an instance variable for an object using introspection.[详细]

2023-03-04 23:13 分类：问答
Pythonic way to find the name of global namespace imports

I am trying to build some dynamic code that parses a text file with objects named from the imports at the top of the module... right now I iterate through all items in sys._getframe(0) to find f_globa[详细]

2023-02-28 20:27 分类：问答
Spring Roo : database introspect --schema vm1 / Schema vm1 does not exist

I\'m new to Spring Roo. I would like to do reverse engineering on mssql database. (jtds is already installed)[详细]

2023-02-28 01:00 分类：问答
How to use a lis of parameterized property names and type for a java bean

Say I have a bean public class SomeBean{ List<String> messages; List<Integer> scores; String id;[详细]

2023-02-24 08:36 分类：问答
Getting object name in Objective-c

suppose i have a开发者_运维技巧 class Foo and an instance of this class myFoo: Foo *myFoo; is there any method \"dispalyFooObjectName\" that can display the name of the object, for exmample :[详细]

2023-02-22 01:34 分类：问答
How does :t in ghci access all that introspective information?

It appears to be impossible to introspect type class constraints on functions and data types and such. However, ghci appears to do it.开发者_JAVA技巧[详细]

2023-02-21 02:52 分类：问答
Determine compatibility of function parameters at runtime in Haskell

Say I have a function f1 :: a -> b -> ... -> c and another function f2 :: PossibleTypeClass x y ... => x -> y -> ... -> z, I want to determine at runtime if c (output of f1) can be passed in to f2 as[详细]

2023-02-19 04:48 分类：问答
How to get the type as a String in Haskell?

Let\'s say I have a type MyType defined in module My.Module. I want to have the String \"My.Module.MyType\" (or something like that). If I just type the String directly, I might have a typo, and if th[详细]

2023-02-17 21:39 分类：问答
Using class.forname().newInstance() and "com.sun.jdi.InvocationException occurred invoking method" exception

I am using class.forname to create a new instance of class.The classname comes from a properties. Lets say i have several classes in two packages.[详细]

2023-02-16 06:19 分类：问答
Why does Ruby use respond_to? instead of responds_to?

I\'m curious why Ruby\'s introspection related method to check if an object responds to a method is respond_to? instead of responds_to?[详细]

2023-02-16 04:10 分类：问答