451-460¶
Issue #451 Bitwise Operators, mypy Exhaustiveness Checking, Job Scheduling, and More Dec. 15, 2020¶
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Exhaustiveness Checking With mypy
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.
HAKI BENITA
挺好的文章，讲了一个点，python越写着越觉得静态检查的重要性，mymy在新项目里还是要用一下的
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Speed Up Python With Concurrency
Learn what concurrency means in Python and why you might want to use it. You’ll see a simple, non-concurrent approach and then look into why you’d want threading, asyncio, or multiprocessing.
REAL PYTHON COURSE
收费课程
Issue #452 Python Pickles, Chess From Scratch, Python Speed, and More Dec. 22, 2020¶
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Python Software Foundation 2020 Fundraiser
“COVID-19 has changed all aspects of our lives and is reshaping our future. Nonprofits like the PSF are having to rebuild. With PyCon 2020 and 2021 happening virtually, the PSF is faced with potentially losing $1.2 million USD of expected revenue for those two years. This fundraiser is critically important and the money raised will help the PSF support the tools and initiatives that Pythonistas use everyday.”
PYTHON.ORG
募捐
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numpy-stl: Library for Working With STL Files and 3D Objects
GITHUB.COM/WOLPH
挺好，暂时用不到
Issue #453 10 Million Jupyter Notebooks, Python on GPUs, Unravelling Boolean Operators, and More Dec. 29, 2020¶
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Accelerating Python on GPUs With nvc++ and Cython
Python on GPUs has become a big topic for processing big data and scientific computing. In this article from the NVIDIA Developer Blog, you’ll learn how to leverage C++ in Python using Cython and the nvc++ library. There’s even a real-world example that illustrates the Jacobi method to solve a heat equation.
ASHWIN SRINATH
直接上Cython 有点秀。不过这个测试用的cpu是a100就惊了
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Top 10 Python Libraries of 2020 You Should Know About
This listicle is full of Python projects that you really should know about! Each library on the lists was launched or popularized in 2020 and has seen steady maintenance since its launch. Lots of great projects here!
ALAN DESCOINS
推荐了一些库，质量基本都很高，很多都用得上，赞
https://github.com/tiangolo/typer 用于写命令行脚本的，还是很优雅的
https://github.com/willmcgugan/rich 终端花里胡哨集大成者
https://github.com/hoffstadt/DearPyGui 每个gui我都mark一下，有机会用一下
https://github.com/onelivesleft/PrettyErrors 把错误异常栈显示的更易读，也挺好
https://github.com/mingrammer/diagrams 画简易的说明图的，感觉也还好
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2020 Real Python Articles in Review
It’s been quite the year! The Real Python team has written, edited, curated, illustrated, and produced a mountain of Python articles this year. This year-end wrap-up shares a collection of articles that showcase a diversity of Python topics.
REAL PYTHON
阅
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这个网站有点酷炫啊 https://www.visualsource.net/repo/github.com/python/cpython
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NumPy Illustrated: The Visual Guide to NumPy
This illustrated guide to NumPy is a great way to learn NumPy or brush up on the package. Full of great visual aides, this tutorial covers all the basics and more!
LEV MAXIMOV
有点累 不看了
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The Zen of Python: A Most in Depth Article
Claiming to be “the most in-depth article about the Zen of Python,” this post covers the history of the Zen as told through comments from Guido van Rossum, Tim Peters, Barry Warsaw, and other Python heavyweights.
ABDUR-RAHMAAN JANHANGEER
还需要不断的研读才能领会
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Web Authentication Methods Compared
Take a look at commonly used methods for handling web authentication for Python web development including the pros and cons of each method. You’ll see how to apply different methods to the Flask, Django, and FastAPI frameworks.
AMAL SHAJI • Shared by Amal Shaji
不同的Web认证方式
用户名+密码直接base64加密放header。简单易实现，安全性太差
用户名+密码哈希发送。比上面安全一点，但是无法抵抗中间人攻击，而且每次都要发很麻烦
session。每次登录不用重新认证，但是需要服务端存储session key，而且无法抵抗CSRF攻击，CSRF可以参考https://tech.meituan.com/2018/10/11/fe-security-csrf.html
……
Issue #454 Ditching Excel for Python, How Python Attributes Work, IP Addresses in Python, and More Jan. 5, 2021¶
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Python Is TIOBE’s Programming Language of 2020
For the fourth time, Python has won TIOBE’s Programming Language of the Year award. The award goes to the programming language that has gained the most popularity in one year, with Python rising by 2.01% in 2020.
TIOBE.COM
666
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Python Behind the Scenes: How Python Attributes Work
Take a deep dive into how Python attributes work, including a detailed analysis of the CPython code.
VICTOR SKVORTSOV
这个系列水平非常高，留着之后一起从头好好看 https://tenthousandmeters.com/tag/python-behind-the-scenes/
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SciPy 1.6.0 Released
PYTHON.ORG
记得很厉害的库，就是一直没啥机会用
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PEP 648: Extensible Customizations of the Interpreter at Startup
Did you know you can customize the Python interpreter and even tell it to execute code at startup time? The current system for implementing these customizations is a bit dated, and this PEP proposes a change that brings a lot more flexibility and extensibility to this little-known feature.
MARIO CORCHERO
Python解释器启动时的启动脚本
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Python’s .append(): Add Items to Your Lists in Place
Learn how Python’s .append() works and how to use it for adding items to your list in place. You’ll also learn how to code your own stacks and queues using .append() and .pop().
REAL PYTHON
挺好 没看…
Issue #455 Pythonic Exercises, FastAPI App Structure, Data Visualization With Dash, and More Jan. 12, 2021¶
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NumPy Tutorial: Your First Steps Into Data Science in Python
Learn everything you need to know to get up and running with NumPy, Python’s de facto standard for multidimensional data arrays. NumPy is the foundation for most data science in Python, so if you’re interested in that field, then this is a great place to start.
REAL PYTHON
入门教程
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Anaconda Is Not Free for Commercial Use (Anymore)?
Anaconda’s CEO responds on the thread: “At this time, there is no prohibition on using Anaconda Individual Edition in a small-scale commercial setting like yours.” Related discussion on Twitter.
REDDIT
吃瓜
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Best IDE for Python
“Right now I am using the standard Python IDLE. I am new to Python and want something better. I have seen a few but they all look too complicated.”
REDDIT
这还用问？
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Hacking QR Code Design
“How to create QR codes that look like anything by inverting the QR creation process.” (Python source code included.)
MARIEN RAAT
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funct: Like a Python List but Better
GITHUB.COM/LAURIAT
这个like a python list but better的介绍挺好，一句话就说明白自己是什么哪里好了。项目倒是一般，感觉有点强行
Issue #456 Automating Excel, Tracing the Python GIL, Python for Non-Developers, and More Jan. 19, 2021¶
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Tracing the Python GIL
Learn how to trace and visualize the GIL, how the GIL affects performance, and how you use this information to write higher performance Python code.
MAARTEN BREDDELS
专业的
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Python Changed the Way I Think
Has learning to code influenced how you think about other things in your life?
REDDIT
这个排版好丑啊
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caer: High-Performance Computer Vision Library
GITHUB.COM/JASMCAUS
1
Issue #457 Unravelling "for" Statements, Understanding Memory Crashes, Virtualenv Alternatives, and More Jan. 26, 2021¶
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You Don’t Really Need a Virtualenv
Virtual environments are a staple of the Python world, but they aren’t without their drawbacks. Learn why virtual environments aren’t always the right solutions and how to get around them without sacrificing dependency isolation.
FROST MING • Shared by Frost Ming
说半天说的挺热闹，pep还是draft，github 300star咋让人敢用
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C for Python Programmers
In this tutorial, you’ll learn the basics of the C language, which is used in the source code for CPython, the most popular Python implementation. Learning C is important for Python programmers interested in contributing to CPython.
REAL PYTHON
我还以为是深入Python中的C语言，原来是给Python程序猿看的C语言入门
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Using Environment Variables in Python for App Configuration
Learn how to use environment variables to configure your Python applications. You’ll see why using environment variables makes sense, as well as how to read, write, and delete environment variables using Python.
RYAN BLUNDEN • Shared by Ryan Blunden
没啥用
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Getting Started With the Raspberry Pi Pico Using MicroPython and C
Learn how to set-up the new Raspberry Pi Pico and get up and running with a program that blinks an LED using MicroPython and C.
JEAN-LUC AUFRANC
MicrPyhton是Python的精简版本，基于Python3.4语法，常被用于单片机等平台
Issue #458 pandas Memory Explosions, Python Performance, a Case Against OOP, and More Feb. 2, 2021¶
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Visualize and Optimize Your Python App Performance With Datadog APM
Datadog APM generates detailed flame graphs from real requests so you can see which services or calls are generating errors or contributing to overall latency. Dive deeper into your production code with an always-on code profiler to troubleshoot. Start monitoring your applications with a free trial →
DATADOGSPONSOR
没用 感觉还行吧
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Python Web Applications: Deploy Your Script as a Flask App
In this tutorial, you’ll learn how to go from a local Python script to a fully deployed Flask web application that you can share with the world.
REAL PYTHON
一如既往的详细，所以没看
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OO in Python Is Mostly Pointless
Is object-oriented programming a pointless paradigm? Maybe, maybe not. But it’s worth considering alternatives when deciding how to write your code. Read the article for an argument against OOP and then follow the Hacker News discussion for the debate.
LEON TROLSKI OPINION
公说公有理
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sailboat: A Quick and Easy Way to Distribute Your Python Projects!
GITHUB.COM/COLE-WILSON
还是用的Pyinstaller
Issue #459 Python Integers Deep Dive, Friendly Tracebacks, Property-Based Testing, and More Feb. 9, 2021¶
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How Python Integers Work
Python’s integer datatype is pretty different from most other languages because they allow arbitrary precision. Learn how integers work under the hood in this in-depth article.
VICTOR
牛逼 又是这个系列
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Python’s Tug of War Between Beginner-Friendly Features and Support for Advanced Users
Python has made some big improvements to tracebacks in recent versions. See how tracebacks have evolved over the last couple of major releases and where there’s still some work left to be done. Check out the discussion on Hacker News.
ANDRÉ ROBERGE
1
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Property-Based Testing With hypothesis, and Associated Use Cases
Testing software is hard. Property-based testing can help you create more effective tests. Learn how to do property-based testing with the hypothesis framework by looking at some real-world use cases.
YING WANG
看完了还是觉得写测试很麻烦
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Inline Caching in Python Is a Success
“In 3.9, access to builtins and globals had sped-up considerably. In 3.10, regular attribute access and access to slots are also faster. Most everyday Python programs will benefit. This is a huge win.”
RAYMOND HETTINGER
欧豁，3.10见
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All Pythons Are Slow, but Some Are Faster Than Others
Python is not the fastest language around, so any performance boost helps, especially if you’re running at scale. It turns out that depending where you install Python from, its performance can vary quite a bit: choosing the wrong version of Python can cut your speed by 10-20%.
ITAMAR TURNER-TRAURING
interesting
Issue #460 match/case, Mutable Python Strings, Cleaning Text With Pandas, and More Feb. 16, 2021¶
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PEP 634: Structural Pattern Matching (match/case)
A few links related to PEP 634, which will add structural pattern matching to Python via a new match/case statement: PEP 634 (Specification), PEP 635 (Motivation and Rationale), PEP 636 (Tutorial & Examples)
PYTHON.ORG
看了好几次了 终于accept了
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Python 3.7.10 and 3.6.13 Security Updates Now Available
CPYTHON DEV BLOG
更新
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The New match/case Statement Has People Talking
Numerous people opine on Twitter about the new match/case statement expected in Python 3.10. While some folks welcome the powerful new syntax, others lament the syntax bloat and potential for confusion they see in the new feature.
RUSSELL KEITH-MAGEE & BRANDON RHODES
1
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Pattern Matching Accepted for Python
Discussion of last week’s acceptance of PEP 634.
HACKER NEWS
1