This book is intended to be a concise reference to the Python programming language. Although an experienced programmer will probably be able to learn Python from this book, it’s not intended to be an extended tutorial or a treatise on how to program. Rather, the goal is to present the core Python language, and the most essential parts of the Python library in a manner that’s accurate and concise.This book assumes that the reader has prior programming experience with Python or another language such as C or Java. In addition, a general familiarity with systems programming topics (for example, basic operating system concepts and network programming) may be useful in understanding certain parts of the library reference.

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高效视频编码（HEVC）是ITU-T视频编码专家组（ITU-T Q.6/SG 16）和ISO/IEC运动图像专家组（ISO/IEC JTC 1/SC 29/WG 11）目前的联合视频编码标准化项目。‎ HEVC标准的第一个版本于2013年4月最终确定。 ‎HEVC的第二个版本，包括‎‎RExt‎‎，‎‎SHVC‎‎和‎‎MV-HEVC‎‎扩展，于2014年10月完成。‎ ‎HEVC的第三个版本，包括‎‎3D-HEVC‎‎扩展，于2015年2月完成。 HEVC的第四个版本，包括SCC扩展，于2016年2月完成。‎ ‎HEVC的参考软件称为HM（‎‎H‎‎EVC Test ‎‎M‎‎odel）。‎ 压缩包内包含Windows x86 和 x64 的二进制版本。

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Need to learn statistics for your job? Want help passing a statistics course? Statistics in a Nutshell is a clear and concise introduction and reference for anyone new to the subject. Thoroughly revised and expanded, this edition helps you gain a solid understanding of statistics without the numbing complexity of many college texts. Each chapter presents easy-to-follow descriptions, along with graphics, formulas, solved examples, and hands-on exercises. If you want to perform common statistical analyses and learn a wide range of techniques without getting in over your head, this is your book. Learn basic concepts of measurement and probability theory, data management, and research design Discover basic statistical procedures, including correlation, the t-test, the chi-square and Fisher’s exact tests, and techniques for analyzing nonparametric data Learn advanced techniques based on the general linear model, including ANOVA, ANCOVA, multiple linear regression, and logistic regression Use and interpret statistics for business and quality improvement, medical and public health, and education and psychology Communicate with statistics and critique statistical information presented by others

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Verilog HDL Quick Reference Card 很有用的快速查询手册 有助于大家FPGA的学习

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IEEE Std 1076-2008-IEEE Standard VHDL Language Reference Manual。IEEE标准VHDL语言参考手册（英文版）