stdstring

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How can I format a std::string using a collection of arguments?

Is it possible to format std::string passing a set of arguments? Currently I am formatting the string this way:[详细]

2023-02-12 19:35 分类：问答
STD::string as a Member Parameter for Dynamically Allocated Objects

I wish to dynamically allocate set of objects(can be several hundreds). Part of those objects are text fields. Because std::string offers nice string manipulations, I would prefer having the object me[详细]

2023-02-10 20:17 分类：问答
Avoid copying a map's key without raw pointers

Every time you insert a pair in a std::map whose key is a std::string, it makes two copies. You can avoid using raw pointers but it is exception-unsafe. Is there some way to use a smart pointer instea[详细]

2023-02-08 17:28 分类：问答
Why setting null in the middle of std string doesn't have any effect

Consider #include <string> #include <iostream> int main() { /* hello 5 hel 3 */ char a[] = \"hello\";[详细]

2023-02-04 14:10 分类：问答
Visual Studio 2010 compile error with std::string?

So this is possibly the strangest thing I\'ve seen recently and was curious how this could happen.The compiler gave me an error saying that std::string is undefined when used as a return type but not[详细]

2023-02-03 23:40 分类：问答
How to properly return std::string (or how to properly use that returned value)

Say you have a class which is a global (e.g. available for the runtime of the app) class MyClass { protected:[详细]

2023-02-03 03:14 分类：问答
Why does not std:string + int give compilation error?

We just found our colleague thought he can add an integer to std::string and 开发者_高级运维used such operation here and there in his code.[详细]

2023-01-31 18:15 分类：问答
std::cout << stringstream.str()->c_str() prints nothing

in a function, that gets unsigned char && unsigned char length, void pcap_callback(u_char *args, const struct pcap_pkthdr* pkthdr, const u_char* packet)[详细]

2023-01-29 02:12 分类：问答
How do I convert wchar_t* to std::string?

I changed my class to use std::string (based on the answer I got here but a function I have returns wchar_t *. How do I convert it to std::string?[详细]

2023-01-28 06:55 分类：问答
Concatenating strings doesn't work as expected [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-01-27 05:22 分类：问答