~pycoders | Issue #621 (March 19, 2024) (25)

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. REAL PYTHON

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. NED BATCHELDER

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 → PYTHAGORA TECHNOLOGIES INC. sponsor

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. PEPIJN BAKKER

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. REAL PYTHON

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. JUSTIN DUKE

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. DAROC ALDEN

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. REAL PYTHON course

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. SETH LARSON

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. ANTON ZAIDES

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

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. PHOTON DESIGNER

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. MUHAMMAD

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 → SOURCERY sponsor