expression
Using the Expression API, is there a way to "combine" a Func<T> with another?
Say I have some method like so: public void Method<T>(Func<T> func) { ... } Is there any way that I can use the Expression API and effectively inject some code to run before the code in[详细]
2023-03-26 09:35 分类:问答How to parse expressions in C++
I want to parse expressions suc开发者_如何学Ch as res = ((a*(2+b))/c)+5.603+(6*(d^5)). I want to do it in c++ only.Have a look at the \"Available C++ Libraries\" FAQStroustrup explains how you\'d eval[详细]
2023-03-25 20:44 分类:问答How to make generic linq expression even more "generic"
I have the following class with an expression property: public class ClassWithExpression { public Expression<Func<SomeAbstractBaseClass, object>> SomeExpression { get; set; }[详细]
2023-03-24 13:05 分类:问答Lambda expression as member functors in a class
I was thrilled when lambda expressions (LE) were part of the gcc starting a 4.5.1 and hoped they would grant a way of getting rid of those nasty functions pointer in C++, which were basically, to my u[详细]
2023-03-24 06:27 分类:问答The binary operator Multiply is not defined for the types 'System.Int32' and 'System.Double'.
Why the following code throws an exception at runtime开发者_运维技巧, whereas doing it in the traditional way compiles without problem?[详细]
2023-03-24 04:41 分类:问答How to get text without some word (an ampersand issue)
I have a string like this: Hello @"user name". Where are you from, @"user name"? I开发者_JS百科 need to get the string between the " statements (user name), but I don\'t know[详细]
2023-03-23 14:06 分类:问答Converting string to illegal/unsupported expression in Mathematica.
I need to input a variable, say var, into Mathematica function Series[ ] like this: Series[A^2+B^2+C^2, var]. Ser开发者_运维技巧ies[ ] has the following syntax:[详细]
2023-03-23 13:58 分类:问答Expression lambdas to access sub properties
I\'m building a MVC HTML helper that exposes multiple properties of a class. This is my class: public class Foo {[详细]
2023-03-22 19:54 分类:问答tool for testing logic expressions
can anyone recommend software (preferably for mac) or a web based tool, that can be used to evaluate logic expressions?[详细]
2023-03-22 03:33 分类:问答C# Cloning including Lambda Expression
I\'ve got a Lambda Expression which is a function that does some operation in a previous context. 开发者_运维技巧Consequently, I will need to clone this object and carry over the expression to the new[详细]
2023-03-22 00:46 分类:问答