蟒週刊-395-激萌模塊~用表情符編寫Python程序

原文: PyCoder's Weekly - Issue #395

• 191120 Zoom.Quiet(大媽) 用時 42 分鐘 完成快譯
• 191120 Zoom.Quiet(大媽) 用時 17 分鐘 完成格式轉抄.

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• Python 中咯線程

  • REAL PYTHON
  • video

Learn how to use threading in your Python programs. You’ll see how to create threads, how to coordinate and synchronize them, and how to handle common problems that arise in threading.

(是也乎:

基礎而又不簡單的嗯哼...
)

• 加載較少數據來減小 Pandas 內存用量

  • ITAMAR TURNER-TRAURING

How to reduce the memory your DataFrame uses at the time it is initially loaded: by dropping columns, lower-range numerical dtypes, and categoricals.

• Python 字典「加法」的迴歸

  • JAKE EDGE

An interesting summary of discussions around PEP 584 (「Add + and += operators to the built-in dict class」).

• 爲何向 Python 3 遷移須要這麼長時間?

  • VICKI BOYKIS

(是也乎:

由於, 多數項目無法兒遷移...

)

Related discussion on Hacker News.

• Django 3.0 RC 1 可用矣

  • DJANGOPROJECT.COM

• PyCon 2020 Tutorial 提案截止日期臨近

  • PYCON.BLOGSPOT.COM

討論

Discussions

• 嫑將 property() 用於計算密集型任務

  • RAYMOND HETTINGER

「To a user, attribute-style access is implicitly assumed to be fast. In contrast, a well-named method can communicate workload: raymondh.family_members vs raymondh.scan_entire_social_graph()「

• 正要學習Django, 應該等待 3.0 發佈的教程嗎?

  • REDDIT

(是也乎:

簡單說: 不必

)

• 工做中的自動化任務… Boss Found Out

  • REDDIT

文章,教程和嗯哼

Articles, Tutorials and Talks

• Python IDLE 入門

  • REAL PYTHON

See how to use the development environment included with your Python installation. Python IDLE is a small program that packs a big punch! You’ll learn how to use Python IDLE to interact with Python directly, work with Python files, and improve your development workflow.

(是也乎:

IDLE 雖好, 可嫑貪杯哪...

這都21世紀了, 爲何要用 IDLE 呢? 有什麼想不開的說出來你們開心一下嘛...

Integrated Development and Learning Environment

人家是用來學習的, 開發真心囧的...

)

• 當您的數據不適合內存時: 基本技術

  • ITAMAR TURNER-TRAURING
  • • Shared by ITAMAR TURNER-TRAURING

Python techniques for processing 「bigger than RAM」 data on a single computer, with minimal setup, and as much as possible using the same libraries you’re already using.

• 用 SSH 的很是規安全和異步 RESTful API

  • TRYEXCEPTPASS.ORG
  • • Shared by Cristian Medina

How to build secure asynchronous APIs in Python using Korv and AsyncSSH that listen on TCP sockets over SSH sessions.

• Pandas GroupBy: Python 數據分組指南

  • REAL PYTHON

Learn how to work adeptly with the Pandas GroupBy facility while mastering ways to manipulate, transform, and summarize data. You’ll work with real-world datasets and chain GroupBy methods together to get data in an output that suits your purpose.

(是也乎:

這也是神器之一...

)

• Jupyter 上手機 (或哪兒都行)

  • UMAR KHAN

How to host Jupyter notebooks on your own server so you can access them anywhere, even with your mobile phone.

(是也乎:

其實, 官方文檔都有曰...只是, 仍是過重了...
Azure 們提供了預嗯哼好的...

)

• 如何將 awk 腳本移植到 Python

  • MOSHE ZADKA

(是也乎:

爲何這麼想不開?

)

• 用 DTrace 和 cProfile 對 Django 進行性能分析

  • SEBASTIAN WIEDENROTH

(是也乎:

DTrace ~ Solaris 貢獻的神器...

)

• PyCon Africa 2019 (回顧)

  • REAL PYTHON

(是也乎:

真蟒 率先嗯哼非洲去了...

)

• 「int」 去除空格字符串

  • REUVEN LERNER

(是也乎:

guido 老爹太皮了, 將一個不起眼的 int() 轉換函式嗯哼的這麼強大...

)

好物

Interesting Projects, Tools and Libraries, Projects & Code

• modin: Pandas 工做流加速

  • GITHUB.COM/MODIN-PROJECT

(是也乎:

等等,好象這事兒是 Jupyter 以前要做的事兒哪...

一行完美加速 Pandas 們的計算....

import modin.pandas as pd

)

• viewflow: 用於 Django 的可重用工做流庫

  • GITHUB.COM/VIEWFLOW

(是也乎:

等等, 工做流扎堆發佈是想搶 oDoo 的生意?

)

• django-fsm: 適用Django 的易用 有限狀態機

  • GITHUB.COM/VIEWFLOW

• django-river: Django 工做流程庫

  • GITHUB.COM/JAVRASYA

(是也乎:

這項目名起的好哪...

)

• BrachioGraph: 最便宜/最簡單的筆式繪圖儀

  • BRACHIOGRAPH.ART

• adtk: 時間序列中的無監督異常檢測

  • GITHUB.COM/ARUNDO

(是也乎:

)

• slim4py: Ruby Slim 當 Python 模板引擎

  • GITHUB.COM/MULTIVERSECODER

(是也乎:

等等... Rubista 叛變來的?

)

• Makefile.venv: 用 Makefile 管理 Python 虛擬環境

  • GITHUB.COM/SIO

(是也乎:

嗯哼? 這個很是正義哪, 沈遊俠曰過:

每一個程序猿
一輩子
終將完成本身那個 makefile

make 做爲一個通用工具, 已經達到了完美級別,
只是, 不多有大規模宣傳而已,
可是, 要論通用/兼容, 真的沒什麼工具能比過1976年4月，​43年前發佈的:
GNU make

)

• jenkinsapi: 用於 Jenkins CI 的 Python API

  • PYPI.ORG

(是也乎:

JAVA 的地盤總歸會吞入 Python 腹中

)

• pythonji: 使用表情符號編寫Python

  • GITHUB.COM/GAHJELLE

(是也乎:

import pandas as 🐼
from numpy import random as 🔀

# Define a dataframe and print it to the console
📋 = 🐼.DataFrame(
    {
        "😀": ["🐼", "🐍", "🦁"],
        "🏷️": ["Panda", "Python", "Lion"],
        "💯": 🔀.randint(2, 5, size=3),
    },
).set_index("😀")
print(📋)

# Do some arithmetic with the dataframe
🔤 = f" Pythonji {' '.join(📋.index)}"
🔢 = 📋.loc["🐍", "💯"] + 📋.loc["🐼", "💯"]
print(🔤 * 🔢)

萌是萌...問題是如何輸入哪...

)

📆🐍 活動/大會

Events, MeetUp 真的是全球線下活動組織中心

• ⋅ PyData Bristol Meetup

  • November 21, 2019
  • UK

• ⋅ Python Northwest

  • November 21, 2019
  • UK

• ⋅ PyLadies Dublin

  • November 21, 2019
  • 德國

• ⋅ PyDelhi User Group Meetup

  • November 23, 2019
  • 印度

DAMA

❤️ Happy Pythonic ;-( 大媽私人無責任播報)

• 蟒營 Python 入門班

  • 第4期
  • 101camp4py

第4期已上線, 爲期6周;

191124 報名結束
191201 正式開課
200112 按時結束

• JohnCoates/Aerial: Apple TV Aerial Screensaver for Mac

  • macOS
  • 屏保

(是也乎:

網友 𝙰𝚣𝚎𝚛𝚒𝚕 推薦, 爲了心靈...

)

是也乎

NN 3837

• 首發: Issue 395 ~蠎週刊 ~聚集全球蠎事兒 ;-)
• 改進: issue-395.md

101camp4py 報名中

報名入口 -> https://py.101.camp/

• 191124 報名截止
• 191201 正式開課
• 200112 按時結束

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