[ISO C11 Clause 3]对象(object):执行环境中数据存储的一块区域,它的内容可以用来表示值.-注释:对象可以具有特定的类型.--值(value):确定类型的对象的内容的确切含义.--访问(access):读取或修改一个对象的值.-注释1:如果只适用其中一种含义,则直接用“读取”或“修改”.-注释2:“修改”包含新值和先前存储的旧的值相同的情况.-注释3:未被求值的表达式不访问对象.--行为(behavior):外部的表现或动作.--未定义行为(undefined behavi…

前面转载的几篇文章重点介绍了UART及RS-232.在工控领域除了RS-232以外,常用的串行通信还有RS-485.本文转载的文章重点介绍了RS-232.RS-422和RS-485. Overview This article explains the general concepts of the serial communication protocols RS-232, RS-422, and RS-485, including basic concepts like baud rate,…

https://katyscode.wordpress.com/2013/05/17/introduction-to-multi-threaded-multi-core-and-parallel-programming-concepts/ In this article I’m going to present a gentle and modernized introduction to multi-threaded and parallel programming. While there…

C++ Core Guidelines September 9, 2015 Editors: Bjarne Stroustrup Herb Sutter This document is a very early draft. It is inkorrekt, incompleat, and pµøoorly formatted. Had it been an open source (code) project, this would have been release 0.6. Copy…

matplotlib python高级绘图库 一周总结 官网 http://matplotlib.org/ 是一个python科学作图库,可以快速的生成很多非常专业的图表. 只要你掌握要领,画图将变得非常方便(不能说非常简单,只能说非常方便, 科学绘图确实很复杂,需要较久时间熟悉). 后续简称 mpl 库. 既然是作图,那么图里面总有坐标系,绘图画板,坐标轴等概念和操作方式. mpl都提供了具体的类来对应. 总结一周以来的学习心得(仅生成过2D坐标,就不讨论3D和立体图等). http://ma…

Chapter 1. Fundamentals Prev     Next Chapter 1. Fundamentals 1.1. Request execution The most essential function of HttpClient is to execute HTTP methods. Execution of an HTTP method involves one or several HTTP request / HTTP response exchanges, usu…

http://hc.apache.org/httpcomponents-client-ga/tutorial/html/   Chapter 1. Fundamentals Prev     Next Chapter 1. Fundamentals 1.1. Request execution The most essential function of HttpClient is to execute HTTP methods. Execution of an HTTP method invo…

Chapter 1. Fundamentals Prev     Next Chapter 1. Fundamentals 1.1. Request execution The most essential function of HttpClient is to execute HTTP methods. Execution of an HTTP method involves one or several HTTP request / HTTP response exchanges, usu…

REF: 原文 Recommender Systems: Issues, Challenges, and Research Opportunities Shah Khusro, Zafar Ali and Irfan Ullah Abstract A recommender system is an Information Retrieval technology that improves access and proactively recommends relevant items to…

Peer-to-Peer Communication Across Network Address Translators Bryan Ford Massachusetts Institute of Technology baford (at) mit.edu Pyda Srisuresh Caymas Systems, Inc. srisuresh (at) yahoo.com Dan Kegel dank (at) kegel.com J'fais des trous, des petits…