Pro Python 3, 3rd Edition (2019 Apress出版) Features and Tools for Professional Development Pro Python 3, 3rd Edition Author: J. Burton Browning, Marty Alchin ISBN-10: 1484243846 Year: 2019 Pages: 480 Language: English File size: 6 MB File format: PDF, ePub Category: Python Book Description: Refine your programming techniques and approaches to become a more productive and creative Python programmer. This book explores the concepts and features that will improve not only your code but also your understanding of the Python community with insights and details about the Python philosophy. Pro Python 3, Third Edition gives you the tools to write clean, innovative code. It starts with a review of some core Python principles, which are illustrated by various concepts and examples later in the book. The first half of the book explores aspects of functions, classes, protocols, and strings, describing techniques which may not be common knowledge, but which together form a solid foundation. Later chapters cover documentation, testing, and app distribution. Along the way, you’ll develop a complex Python framework that incorporates ideas learned throughout the book. Updates in this edition include the role of iterators in Python 3, web scraping with Scrapy and BeautifulSoup, using Requests to call web pages without strings, new tools for distribution and installation, and much more. By the end of the book you’ll be ready to deploy uncommon features that can take your skills to the next level in Python. What You’ll Learn Implement programs with various types of Python functions Work with classes and object-oriented programming Use strings from the standard library and third-party libraries Harvest web site data with Python Automate unit testing by writing a test suite Review imaging, random number generation, and NumPy scientific extensions Understand The Zen of Python documentation to help you decide the best way to distribute your code Who This Book Is For Intermediate programmers familiar with Python who are looking to move to an advanced level. You should have written at least a simple Python application, and be comfortable with a basic object-oriented approach, using the interactive interpreter, and writing control structures.

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这本是 牛顿 经典著作 《自然哲学之数学原理》 的英文版 Philosophiae_naturalis_principia_mathema 。分为两个文件，这是第一个。

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2017年Apress proSpring5英文版。 2017年Apress proSpring5英文版。

完整英文版 NFPA 40：2022 Standard for the Storage and Handling of Cellulose Nitrate Film (硝酸纤维素胶片的储存和处理标准)。本标准应适用于所有涉及储存和处理纤维素亚硝酸酯薄膜的设施。基于火灾对生命和财产安全的最低要求，本标准应规定硝酸纤维素胶片的储存和处理。

本标准的要求涵盖了电灯的支架和连接器，包括白炽灯、荧光灯和其他放电型灯，其额定值如第6条所示，按照CSA C22.1、加拿大电气规范（CE规范）第一部分和国家电气规范（NEC）、ANSI/NFPA 70使用。这些要求涵盖了螺丝灯座，包括那些打算直接安装在插座盒上的灯座。螺丝灯座，包括直接安装在插座盒上的灯座，特殊用途的灯座，电动标志的灯座，以及将一种灯座尺寸转换为另一种的适配器。将一种灯座尺寸转换为另一种灯座的适配器

完整英文版 UL 60947-5-2：2022 Low-Voltage Switchgear and Controlgear - Part 5-2：Control Circuit Devices and Switching Elements - Proximity Switches(低压开关设备和控制设备-第5-2部分：控制电路设备和开关)。IEC 60947的这一部分适用于感应式和电容式接近开关，它们可以感应到金属和/或非金属物体的存在。 本部分适用于感应金属和/或非金属物体存在的感应式和电容式接近开关、感应声音反射物体存在的超声波接近开关、感应物体存在的光电接近开关和感应磁场物体存在的非机械式接近开关。磁性接近开关可以通过磁场感知物体的存在。 这些接近开关是独立的，具有半导体开关元件，并打算连接到电路中，其额定电压不超过250V 50 Hz/60 Hz a.c.或300Vd.c.，本标准不打算涵盖具有模拟输出的接近开关。

完整英文版 UL 4600：2022 Evaluation of Autonomous Products（自主产品的评估）。本标准的范围是一个通用的自动驾驶系统标准框架，以轻型自动驾驶道路车辆为具体例子。为此，该版本的标准包括适用于轻型AUTONOMOUS道路车辆（包括客运和货运车辆）的大量提示列表。许多提示将适用于其他AUTONOMOUS地面车辆，甚至其他类型的AUTONOMOUS系统，但没有特别尝试包括其他应用的广泛提示，也没有将道路车辆提示与更多的一般提示区分开。

完整英文版 UL 60335-2-68：2022 Household and Similar Electrical Appliances - Safety - Part 2-68：Particular Requirements for Spray Extraction Machines, for Commercial Use（家用和类似电器--安全--第2-68部分：商业用途的喷雾抽吸机的特别要求 ） 。本国际标准涉及用于室内商业用途的电动便携式、非自走式电机操作的喷雾萃取机的安全，无论是否有附件，无论是否有电加热元件。