casting

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Howto avoid copying when casting a vector<Derived*> to a vector<Base*>

Is there a way to avoid c开发者_如何转开发opying large vectors, when a function expects a vector with (pointer to) baseclass objects as input but I only have a vector of (pointers to) derived objects?[详细]

2023-04-07 06:50 分类：问答
address=data via macro define

#define PORTC *(unsigned char volatile *)(0x1003) #define DDRC *(unsigned char volatile *)(0x1007) So I\'ve been trying to read some stuff about embedded C. Initially I thought this macro was a poin[详细]

2023-04-07 06:23 分类：问答
Getting the actual type from reflection fieldInfo

I\'m writing a generic wrapper around a software\'s GUI API which has the ability to process quite a few of its own \'built-in\' types but I can\'t figure out how to get it what it needs. For example,[详细]

2023-04-07 04:43 分类：问答
Why is my addition of 2 shorts causing a casting compile error due to ints?

In my code i have the following code: Order = config.DeploymentSteps.Select(x => x.Order).DefaultIfEmpty().Max() + 1;[详细]

2023-04-07 01:04 分类：问答
C#: How to perform 'as' operation with a Type

I want to test whether a given object can be cast to a given Type. In this scenario, I have an object, and the Type representing what type I want to cast it to:[详细]

2023-04-07 01:04 分类：问答
Cannot cast java.lang.Float to float when using Class.cast?

I already have a solution, but I don\'t like it. Also, it would be nice to know your thoug开发者_运维知识库hts about this.[详细]

2023-04-07 00:52 分类：问答
Generic T with Enum and casting T to Enum

I searched around and couldn\'t find any examples doing this, though this was helpful: Create Generic method constraining T to an Enum[详细]

2023-04-06 19:02 分类：问答
C/C++ pointer tricks (saving pointer to int, and translating back)

As title says, I\'m currently doing some small hacks with pointers in C++, but something isn\'t working out here\'s what I got:[详细]

2023-04-06 08:34 分类：问答
vector of type/class for typecasting null pointer

I have program that currently use typecast for a null-pointer vector开发者_JS百科 according to the following:[详细]

2023-04-06 04:54 分类：问答
Why do I get a different value at run-time when type-casting a string to DWORD?

std::cout << (DWORD)\"test\"; If I compile an开发者_Go百科d run this I get different output values each time, but I can\'t figure out why.[详细]

2023-04-06 03:46 分类：问答