CoDeSys编程教程(全)

some thing is important for you to have

Endnote学习资料，希望对大家学习Endnote有所帮助(Endnote learning materials, want to help them to learn Endnote)

计算机网络自顶向下第6版，中文版pdf，陈鸣译。(Computer network top-down version 6, Chinese version pdf, Chen Ming translation.)

说明：  A little guide to python programming

本书的风格跟C语言的经典《The C Programming Language》相似，作者同样也是著名技术作家和语言缔造者的组合。本书与一般的Ruby语言图书相比，除了介绍如何使用Ruby语言外，还讲述了Ruby的实现原理及内部运作机制。堪称Ruby之经典之作(The Ruby Programming Language is the authoritative guide to Ruby and provides comprehensive coverage of versions 1.8 and 1.9 of the language. It was written (and illustrated!) by an all-star team: • David Flanagan, bestselling author of programming language "bibles" (including JavaScript: The Definitive Guide and Java in a Nutshell) and committer to the Ruby Subversion repository. • Yukihiro "Matz" Matsumoto, creator, designer and lead developer of Ruby and author of Ruby in a Nutshell, which has been expanded and revised to become this book. • why the lucky stiff, artist and Ruby programmer extraordinaire. This book begins with a quick-start tutorial to the language, and then explains the language in detail from the bottom up: from lexical and syntactic structure to datatypes to expressions and statements and on through methods, blocks, lambdas, closures, classes and modules. The book also includes a long and thorough introduction to the rich API of the R)

微观金融学及其数学基础很实用的一本电子书(finance and maths)

赛门铁客 赛门铁客 赛门铁客 赛门铁客(Symantec Symantec Symantec Symantec)

说明：  李航的统计学习方法，可以结合机器学习相关书籍看(Li Hang's statistical learning method can be combined with machine learning related books)

本书介绍了线性系统和数字信号的基础知识，对学习数字信号处理很有帮助。(this book is about linear system and digital systems,which is helpful to people learning digital signal processing)

说明：  这是一本关于西门子S7-1200控制器的编程手册(Siemens s7-1200 programming manual)