Weekly

通过练习学 Python 的生成器/协程 原文: PyCoder’s Weekly - Issue #451 201216 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 201216 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. Python 位运算符 REAL PYTHON In this tutorial, you’ll learn how to use Python’s bitwise operators to manipulate individual bits of data at the most granular level. With the help of hands-on examples, you’ll see how you can apply bitmasks and overload bitwise operators to control binary data in your code. (是也乎: 回到汇编 ;-) ) 用 mypy 进行详尽检查 HAKI BENITA What if mypy could warn you about possible problems at “compile time”? In this article, you’ll learn a little trick to get mypy to fail when a value in an enumeration type is left unhandled. 用 Python 安排各种定期作业 TOWARDSDATASCIENCE.COM • Shared by Martin Heinz Every software developer, data scientist, and sysadmin must, at some point, schedule jobs to run. In this article, you’ll learn how to do this with Python. You’ll encounter a number of methods for scheduling jobs, from using the standard library to leveraging third-party packages. (是也乎: 嚓, 这口气大了, 也的确需要 ) Python 的对象物件系统如何运作 VICTOR The Python object system is one of the most important parts of the Python language. Mastering it is essential to mastering the Python language. Learn how the object system works by examining the CPython source code in this detailed tutorial. (是也乎: 灵魂追问了, 从代码上看, 老爹也一直在纠结ing…. ) 什么是数据工程/是否适合您? REAL PYTHON In this article, you’ll get an overview of the discipline of data engineering. You’ll learn what is and isn’t part of a data engineer’s job, who data engineers work with, and why data engineers play a crucial role in many industries. (是也乎: 扫盲贴 ;-) ) Python 软件基金会 2020 募捐者 PYTHON.ORG Help the PSF recover funds lost due to COVID-19. (是也乎: 等等, 哪儿? 俺也得捐. ) PyTorch 1.7.1 发布: 更新 Python 3.9 二进制文件 GITHUB.COM/PYTORCH Python 3.9.1 最终版本 PYTHON.ORG Qt 6.0 发布 QT.IO • Shared by Bartosz Zaczyński (是也乎: 嚓了, 真.活久见 ) 探讨/吐糟 Discussions ...

欢迎阅读《pythonista周刊》第478期。Let us start 原文: https://mailchi.mp/pythonweekly/python-weekly-issue-478 翻译：Dustyposa 来自赞助商（PS：原文的赞助商）: Seamlessly correlate logs and traces at the level of individual requests, allowing you to quickly troubleshoot your Python application. Datadog’s Continuous Profiler allows you to find the most resource-consuming parts in your production code all the time, at any scale. Try it today with a free trial. ...

ORM 到底值得嘛? 原文: PyCoder’s Weekly - Issue #450 201209 Zoom.Quiet(大妈) 用时 42 分钟 完成快译 201209 Zoom.Quiet(大妈) 用时 37 分钟 完成格式转抄. 为什么要使用 ORM (对象关系映射器)? KARIM MARZOUQ • Shared by Karim Marzouq Budding web developers learning Model-View-Controller frameworks are taught that they should use an Object Relational Mapper (ORM) to interface with their databases. But the “why” is often brushed aside or omitted entirely, leaving a fledgling programmer with burning questions like ”What are ORMs, anyway?” and “What problems do they solve?” (是也乎: 直觉上, 为了节省 SQL 培训时间, 以及将 SQL 安全隐藏到 ORM 模块中. ) 降低 Python 中的数值精度会影响现实世界的数据集吗? MARTIN JONES • Shared by Martin Jones Reducing numerical precision is a way to save memory in pandas, but does it make a difference to the conclusions that we might draw from real-world datasets? (是也乎: 这才是真正的千年虫本身 ) 用PyQt处理SQL数据库:基础 REAL PYTHON In this step-by-step tutorial, you’ll learn how to use PyQt’s built-in SQL support to create GUI applications that effectively manage SQL databases. (是也乎: 连接以及读写DB 简单, 问题是 GUI 自动生成表格.. ) 用 TensorFlow 2 对象检测 API 令已打印链接可点击 OLEKSII TREKHLEB Learn how to turn your phone’s camera into a link detector on printed media using Tensor Flow 2’s Object Detection API. 探讨/吐糟 Discussions ...

欢迎阅读《pythonista周刊》第477期。Let us start 原文: https://mailchi.mp/pythonweekly/python-weekly-issue-477 翻译：Dustyposa 来自赞助商（PS：原文的赞助商）: Seamlessly correlate logs and traces at the level of individual requests, allowing you to quickly troubleshoot your Python application. Datadog’s Continuous Profiler allows you to find the most resource-consuming parts in your production code all the time, at any scale. Try it today with a free trial. ...