大约有 4,400 项符合查询结果（耗时：0.0144秒） [XML]
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ protobuf使用入门实例cpp_protobuf_demoprotobuf 是结构化数据的系列化 反序列化解决方案，类似XML JSON，但他的运行效率及压缩率均较后者高一个数量级，且完全的跨平台。使用步骤如下：1、定义一个 proto数据结构文件 protobuf 是结...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...ant to be a list containing only Person and not just any other array list.
C++ Templates allow you to declare something like this
std::list<Person>* foo = new std::list<Person>();
It looks like C# and Java generics, and it will do what you think it should do, but behind the scenes diffe...
How to find if a given key exists in a C++ std::map
... You don't need to do > 0, == 1 or != 0; that's the exact check C++ does in an if statement (condition != 0), so you can just use if(m.count(key))
– jv110
Dec 16 '16 at 20:50
...
RAII and smart pointers in C++
In practice with C++, what is RAII , what are smart pointers , how are these implemented in a program and what are the benefits of using RAII with smart pointers?
...
What exception classes are in the standard C++ library
What are the exception classes that are included in the standard C++ library, and what should they be used for? I know there are a few new C++11 exceptions, but I'm not sure what they are or where they are.
...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...tainer stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my knowledge in C++ containers is pretty basic). For reference, the boost documentation on composite keys can be found here: boost::multi_index composite keys.When using a composite key, the d...
How to throw an exception in C?
I typed this into google but only found howtos in C++,
11 Answers
11
...
Private virtual method in C++
What is the advantage of making a private method virtual in C++?
5 Answers
5
...
C++: const reference, before vs after type-specifier
...& (and const T*):
const T& is the style used in Stroustrup's The C++ Programming Language book.
const T& is the style used in the C++ standard itself.
const T* is the style used in K&R's The C Programming Language book.
const T* is the style used in the C standard.
Due to the above...
What is the difference between an int and a long in C++?
...s whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on variable platforms. To summarize:
OS arch size
Windows IA-32 4 bytes
Windows Intel 64 4 bytes
Windows IA-64 4 bytes
Linux IA-32 4 byte...