PyCoder - Seaborn, Pointers, Memory, and More

#621 – MARCH 19, 2024 VIEW IN BROWSER
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Visualizing Data in Python With Seaborn
In this tutorial, you’ll learn how to use the Python seaborn library to produce statistical data analysis plots to allow you to better visualize your data. You’ll learn how to use both its traditional classic interface and more modern objects interface.

Does Python Have Pointers?
Depending on how you’re using the term “pointer” changes the answer to the question. Read on to better understand the programming terminology and whether Python has pointers.

GPT Pilot Is an OSS Dev Tool That Builds Apps From Scratch by Talking to You
GPT Pilot is a collection of AI agents that automate developer workflows to try offloading 95% of coding tasks from you to the AI. Right now, it can build apps up to ~3000 lines of code see examples here →

The Python Memory Model
This article introduces you to how Python stores things in memory. Learn about the heap, the stack, and how the interpreter sees Python objects.

Python 3.13.0 Alpha 5 Released

New Malware Reporting Tool on PyPI

Articles & Tutorials

Build an LLM RAG Chatbot With LangChain
Large language models (LLMs) have taken the world by storm, demonstrating unprecedented capabilities in natural language tasks. In this step-by-step tutorial, you’ll leverage LLMs to build your own retrieval-augmented generation (RAG) chatbot using synthetic data with LangChain and Neo4j.

Use Weird Tests to Capture Tacit Knowledge
Sometimes adding code in one place means configuration elsewhere also needs to be updated. One way of ensuring this is happening properly in a large project is to use unit tests. This post covers a few examples, complete with pytest code.

Blocked by Slow Code Reviews? Here’s How to Stop Waiting
Code reviews are great - but they shouldn’t slow down your development. Sourcery can automatically review every one of your PR’s so your team can keep moving fast →

Insecurity and Python Pickles
The pickle module allows you to serialize arbitrary Python objects. Serializing them back means executing code, which has potential security issues. Read on to discover what they are and what software may be impacted.

Python Basics Exercises: Installing Packages With pip
In this Python Basics Exercises video course, you’ll practice installing packages with pip. You’ll also practice creating virtual environments, making lists of requirements, and recreating a development environment.

How to Create a Dashboard in Python From PostgreSQL
Accessing a database in a terminal is not the best solution for everyone. Mljar lets you build a dashboard from scratch using only Python.
MLJAR • Shared by Piotr

Regex Character “$” Doesn’t Mean “End-of-String”
Regular expression syntax is only somewhat uniform across programming languages. Seth ran into a surprise with “$” and Python.

Feature Flags Are Ruining Your Codebase
An opinion piece on feature flags and the dangers of letting PMs control them. Includes suggestions on what to do instead.

The 2038 Problem
Learn how “The 2038 problem” could impact software, hardware, and more - and what can be done to prepare.

Add Magic Link Sign-in Using Django
This is a step-by-step guide to adding email sign-in (and verification) to Django using Gmail and others.

Email Testing With Python’s smtpd Module
This post dives deep into Python’s smtpd module and explores how it can used for local testing.

Projects & Code

Brought to you by Real Python for Teamssponsor
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zakuchess: Chess Challenge Game

mountaineer: Web Framework for Python and React

magika: Detect File Content Types With Deep Learning

hyperdiv: Build Reactive Web UIs in Python

UFO: A UI-Focused Agent for Windows OS Interaction

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Celery, Context Managers, Data Wrangling, and More

Tuesday, March 12, 2024

Creating Asynchronous Tasks With Celery and Django #620 – MARCH 12, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Creating Asynchronous Tasks With Celery and Django In this video course, you'

Duck Typing, IPython Jupyter Magic, Monkey Patching, and More

Tuesday, March 5, 2024

Duck Typing in Python: Writing Flexible and Decoupled Code #619 – MARCH 5, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Duck Typing in Python: Writing Flexible and Decoupled Code In this tutorial

Composable Systems, Flask-Musk, 10 Years of Wagtail, and More

Tuesday, February 27, 2024

McKinney on Improving the Data Stack & Composable Systems #618 – FEBRUARY 27, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo McKinney on Improving the Data Stack & Composable Systems How do

uv, Conway's Game of Life, Polars Strings, and More

Tuesday, February 20, 2024

`uv`: Python Packaging in Rust #617 – FEBRUARY 20, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo uv : Python Packaging in Rust uv is an extremely fast Python package installer and resolver,

Data Analysis, Lukasz Langa, Polars, and More

Tuesday, February 13, 2024

Using Python for Data Analysis #616 – FEBRUARY 13, 2024 VIEW IN BROWSER The PyCoder's Weekly Logo Using Python for Data Analysis In this tutorial, you'll learn the importance of having a

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