Bookmarks (436)

Python Protocols: Leveraging Structural Subtyping In this tutorial, you’ll learn about Python’s protocols and how they can help you get the most out of using Python’s type hint system and static type checkers. REAL PYTHON

Prod Alerts? You Should be Autoscaling Let Judoscale solve your scaling issues. We support Django, Flask, and FastAPI, and we also autoscale your Celery and RQ task queues. Traffic spike? Scaled up. Quiet night? Scaled down. Work queue backlog? No problem → JUDOSCALE sponsor

Trying Out Free-Threaded Python on macOS Free-threaded mode is available as a compile option in the beta of Python 3.13. Simon decided to try it out on his Mac. SIMON WILLISON

Quiz: Python’s Built-in Functions: A Complete Exploration Take this quiz to test your knowledge about the available built-in functions in Python. By taking this quiz, you’ll deepen your understanding of how to use these functions and the common programming problems they cover, from mathematical computations to Python-specific features. REAL PYTHON

Exercises Course: Introduction to Web Scraping With Python In this course, you’ll practice the main steps of the web scraping process. You’ll write a script that uses Python’s requests library to scrape and parse data from a website. You’ll also interact with HTML forms using tools like Beautiful Soup and Mechanical Soup to extract specific information. REAL PYTHON course

When Generators Get Cleaned Up When playing with generators in asynchronous code, Sam ran into some things he didn’t quite expect with how and when resources get cleaned up. This article shows you what you can and can’t control, and in some cases whether you should. SAM EISENHANDLER

Posit Connect - Help Your Data Science Team Share and Collaborate Tired of emailing files around & trying to use general-purpose collaboration tools? Posit Connect makes it easy to share, collaborate, & get feedback on your data science work including Jupyter notebooks, Streamlit, & other analytics applications. POSIT sponsor

Different Ways I Start Writing New Code In this article, the author talks about the different approaches they use to create new code depending on the mood, the feature or bug at hand, and their confidence level. Five different approaches are covered. JUHA-MATTI SANTALA

A Python Epoch Timestamp Timezone Trap Date and times are problematic and there are all sorts of problems you can get into when you use them in Python. This post talks about one challenge when using epoch timestamp numbers. JOËL PERRAS

How to Convert a Python Script Into a Web App This post shows you how to take a Python script and turn it into a web application using FastAPI. It includes information about how to choose endpoints and how to do authentication. AHMED LEMINE

Instrumenting Python GIL With eBPF eBPF is a tool available on Linux to dig into the profile of your code. In this article, Nikolay uses it to inspect when the GIL gets invoked in CPython. NIKOLAY SIVOK

Approximate Counting in Django and Postgres Pagination in Django uses the rather slow SELECT COUNT(*) SQL call. This article looks at how to speed up counting with Django and PostgreSQL. NIK TOMAZIC

Assignment vs. Mutation in Python In Python, “change” can mean two different things. Assignment changes which object a variable points to. Mutation, changes the object itself. TREY HUNNER

Flask vs Django in 2024 This post compares Flask and Django, from what they specialize in to what it takes to do a personal web site in each. WILL VINCENT

Making an Iterator Out of a Function You can use the Python built-in function iter with two arguments to create an iterator from a function. RODRIGO GIRÃO SERRÃO

Developing GraphQL APIs in Django With Strawberry This tutorial details how to integrate GraphQL with Django using Strawberry. TESTDRIVEN.IO • Shared by Michael Herman

Asyncio gather() Handle Exceptions The asyncio.gather() function takes an optional argument return_exceptions which changes the behavior of the co-routine when an error occurs. This article shows you how to use it. JASON BROWNLEE

Incident Report: Leaked GitHub Personal Access Token A PyPI admin accidentally leaked credentials into a Docker container. It has since been fixed and the credentials revoked. This is the report by that same admin outlining what happened and how to help prevent similar mistakes in the future. EE DURBIN

GPU Accelerate Your Data Science Workflows End-to-End Discover how to create, accelerate, and deploy data pipelines with RAPIDS for GPU-accelerated data science workflows. Take one of our Data Science courses for free when you join the NVIDIA Developer Program → NVIDIA sponsor

Free, Unbelievably Stupid Wi-Fi on Long-Haul Flights Deep in a need to procrastinate on a flight between London and San Francisco, Robert discovered that changing his name on an airline’s frequent flyer account was free over the plane’s WiFi. What’s a developer to do? Work on their tickets? No, create an entire TCP/IP protocol using this loophole. The result is the PySkyWiFi package. ROBERT...

Digging Into Graph Theory in Python With David Amos Have you wondered about graph theory and how to start exploring it in Python? What resources and Python libraries can you use to experiment and learn more? This week on the show, former co-host David Amos returns to talk about what he’s been up to and share his knowledge about graph theory in Python. REAL...

My Programming Beliefs as of July 2024 This collection of thoughts outlines how Evan approaches coding, with the understanding that this might change in the future. His beliefs include using spikes, the difference between simple and easy, a preference for enums over booleans, and more. EVAN HAHN

Breaking Out of Nested Loops With Generators Have you ever had the situation where you’ve got a nested loop and need to break out of the outer one? One way of dealing with this problem is refactoring the loop to use a generator. This post shows you how. RODRIGO GIRÃO SERRÃO

“Extracting Wisdom” From Conference Videos There are so many conferences and so many videos, you can’t possibly watch them all. This post shows you how to extract information to summarize a talk so you can quickly decide what you want to watch. GONÇALO VALÉRIO

Creating a Simple Pastebin Service in Python and Flask Learn how to build a functional pastebin service using Python and Flask. This tutorial covers web development basics, file handling, and syntax highlighting. MUHAMMAD RAZA

How a Decorator Crashed My Flask App This blog post shows how failing to use functools.wraps can cause issues with FlaskAPI. Learn why you should always use wraps and what went wrong. SUYOG DAHAL

Python Has Too Many Package Managers Overview of Python’s Package management ecosystem in 2024 and associated Hacker News Discussion LARRY DU

Creating Images in Your Terminal With Python and Rich Pixels Rich Pixels, a package from one of the folks at Textual, allows you to create images in your terminal and display them. MIKE DRISCOLL

How Do You Choose Python Function Names? This tutorial discusses the rules and conventions for choosing Python function names and why they’re important. REAL PYTHON

Using HTMX With FastAPI This tutorial looks at how use HTMX with FastAPI by creating a simple todo web app and deploying it on Render. PAUL ESCH-LAURENT • Shared by Michael Herman

Customize VS Code Settings In this course, Philipp helps you customize your Visual Studio Code settings to switch from a basic cluttered look to a clean presentable look. This is not just pleasant on the eyes, but also gives you a nice user interface if you want to share on a Zoom call or screen recording. REAL PYTHON course