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What exactly does stringstream do?
I am trying to learn C++ since yesterday and I am using this document: http://www.cplusplus.com/files/tutorial.pdf (page 32) . I found a code in the document and I ran it. I tried inputting Rs 5.5 for price and an integer for quantity and the output was 0.
I tried inputting 5.5 and 6 and the output...
How to return smart pointers (shared_ptr), by reference or by value?
...uire something */);
};
This is a dead-obvious RVO opportunity for modern C++ compilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure is to prof...
Default constructor with empty brackets
... brackets (parentheses) isn't valid for calling the default constructor in C++?
9 Answers
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...PDU （Protocol Data Unit： 协议数据单元，在一个传输单元中的有效传输数据）能够传输的最大数据量（多少字节可以一次性传输到对方）。
* MTU 交换是为了在主从双方设置一个PDU中最大能够交换的数据量，通过MTU的交换...
Smooth GPS data
...d approach and works well. There is a KFilter library available which is a C++ implementation.
My next fallback would be least squares fit. A Kalman filter will smooth the data taking velocities into account, whereas a least squares fit approach will just use positional information. Still, it is d...
Nodejs Event Loop
...e node.js is that v8 loop runs and handles all javascript parts as well as C++ modules [ when they are running in a main thread ( as per official documentation node.js itself is single threaded) ]. When outside of the main thread, libev and libeio handle it in the thread pool and libev provide the i...
VS 2015 Preview版已经发布，支持Android开发 - IT产品资讯 - 清泛网 - 专注IT技能提升
... 2015支持创建和开发ASP NET vNext应用程序，开发Win10 Linux iOS的多平台软件，支持原生编译Win8 1、Win9、WP8 1等平台应 Visual studio 2015支持创建和开发ASP.NET vNext应用程序，开发Win10/Linux/iOS的多平台软件，支持原生编译Win8.1、Win9、WP8.1...
WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
WSAAsyncSelect模型WSAAsyncSelect模型允许应用程序以Windows消息的方式接收网络事件通知。许多对性能要求不高的网络应用程序都采用WSAAsyncSelect模型，MFC的...WSAAsyncSelect模型允许应用程序以Windows消息的方式接收网络事件通知。许多对...
MFC CFormView和CView区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC CFormView和CView区别建立一个"单文档"的工程中，用户视图的基类改为CView，在编程中就有了ondraw函数（成员函数），而在CFormView情况下就没有ondraw函数（成员...建立一个"单文档"的工程中，用户视图的基类改为CView，在编程中就...
大数据告诉你：美联储加息 每次都能掀起风暴 - 资讯 - 清泛网 - 专注C/C++...
...10年来首度加息。对于投资者来讲，美联储加息对A股市场的影响才是关注重点。市场终于迎来了强劲反弹，拉出百点长阳！然而，现在又遇到一个关键的时刻。
美国时间9月16日~17日，联邦公开市场委员会(FOMC)将在会议结束后，...