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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...
Where do I find the current C or C++ standard documents?
... standard
As of 1st September 2014, the best locations by price for C and C++ standards documents in PDF are:
C++17 – ISO/IEC 14882:2017: $116 from ansi.org
C++14 – ISO/IEC 14882:2014: $90 NZD (about $60 US) from Standards New Zealand
C++11 – ISO/IEC 14882:2011: $60 from ansi.org $60 from T...
Forward declaration of nested types/classes in C++
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You can't do it, it's a hole in the C++ language. You'll have to un-nest at least one of the nested classes.
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Simple example of threading in C++
...someone post a simple example of starting two (Object Oriented) threads in C++.
7 Answers
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...收到广播包时，协议栈将向上层（也就是应用层，用户可编程）传递广播包。主动扫描，主动扫描除了完成被动扫描的动作外，还会向从机发送一个扫描请求，从机收到该请求时，会再次发送一个称作扫描回应的广播包。
所以...
How to initialize a vector in C++ [duplicate]
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With the new C++ standard (may need special flags to be enabled on your compiler) you can simply do:
std::vector<int> v { 34,23 };
// or
// std::vector<int> v = { 34,23 };
Or even:
std::vector<int> v(2);
v = { 34,23 ...
What is the C++ function to raise a number to a power?
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@Marvin: Visual C++ 2010 Express has no problem with std::pow(2.0, 3).
– Keith Thompson
Aug 31 '13 at 22:46
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How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
Using “super” in C++
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Bjarne Stroustrup mentions in Design and Evolution of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple i...