大约有 26,000 项符合查询结果(耗时:0.0330秒) [XML]

https://bbs.tsingfun.com/thread-774-1-1.html 

c++ boost库 序列化与反序列化 - c++1y / stl - 清泛IT社区,为创新赋能!

1、定义类/结构体序列化函数: template <typename Archive> void serialize(Archive& ar, TOrder & obj, const unsigned int version = SERIALIZATION_VERSION) {         ar & BOOST_SERIALIZATION_NVP(obj.Param)        ...
https://bbs.tsingfun.com/thread-873-1-1.html 

std::string截取字符串,截取ip:port - c++1y / stl - 清泛IT社区,为创新赋能!

std::string ip("127.0.0.1:8888"); int index = ip.find_last_of(':'); // 获取ip ip.substr(0, index).c_str(); // 获取port ip.substr(index + 1).c_str();
https://bbs.tsingfun.com/thread-744-1-1.html 

warning C4996 - c++1y / stl - 清泛IT社区,为创新赋能!

warning C4996: '_vsnprintf': This function or variable may be unsafe. ......warning C4996: strcpy was declared deprecated出现这样的警告,是因为VC2005之后的版本中认为CRT中的一组函数如果使用不当,可能会产生诸如内存泄露、缓冲区溢出、非法访问等安...
https://bbs.tsingfun.com/thread-706-1-1.html 

error C2275: “size_t”: 将此类型用作表达式非法 - c++1y / stl - 清泛IT...

这个错误是由于C的编译器要求将变量的申明放在一个函数块的头部,而c++没有这样的要求造成的。 解决的办法就是把变量的声明全部放在变量的生存块的开始。 注:VS2013(最新补丁SP4及以上)编译器可以支持此类C语法,...
https://stackoverflow.com/ques... 

How to create Android Facebook Key Hash?

I do not understand this process at all. I have been able to navigate to the folder containing the keytool in the Java SDK. Although I keep getting the error openssl not recognised as an internal or external command. The problem is even if I can get this to work, what would I do and with what afterw...
https://stackoverflow.com/ques... 

How to call a function from a string stored in a variable?

I need to be able to call a function, but the function name is stored in a variable, is this possible? e.g: 16 Answers ...
https://stackoverflow.com/ques... 

What is the size of an enum in C?

I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
https://stackoverflow.com/ques... 

Modulo operation with negative numbers

In a C program i was trying the below operations(Just to check the behavior ) 12 Answers ...
https://stackoverflow.com/ques... 

Best way to check if object exists in Entity Framework?

What is the best way to check if an object exists in the database from a performance point of view? I'm using Entity Framework 1.0 (ASP.NET 3.5 SP1). ...
https://stackoverflow.com/ques... 

How do you calculate the average of a set of circular data? [closed]

I want to calculate the average of a set of circular data. For example, I might have several samples from the reading of a compass. The problem of course is how to deal with the wraparound. The same algorithm might be useful for a clockface. ...