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Python pytest: Write Tests That Actually Help You

Why Testing Matters (and Why pytest) Tests catch bugs before users do. pytest makes writing them fast enough that you'll actually do it. pip install p…

Beyond Static Prompts: How to Build Self-Improving AI Agents with Closed-Loop Skill Playbooks

The current wave of AI development is undergoing a massive paradigm shift. We are rapidly moving past simple "prompt wrapper" applications and enterin…

Stripe Webhook Idempotency in FastAPI: Handling Duplicate Events Without Double-Charging SaaS Customers

Stripe Webhook Idempotency in FastAPI: Handling Duplicate Events Without Double-Charging SaaS Customers I learned this lesson the hard way. Three mont…

Local-first: a Model on Your Own Machine, Zero Cloud

This is the concrete, runnable walkthrough for Post 1 of the Portway series . The goal: stand up a single model behind an OpenAI-compatible endpoint o…

Building ShouldWeAutomate: A Decision Intelligence Platform for Workflow Automation

How we built an open-source platform that tells you whether your business process is ready for AI automation — with deterministic scoring, gamified UX…

I Built CausalLens — A Free, Open-Source Causal Impact Calculator for Time Series (5 Methods, Zero Setup)

I want to show you a tool I just open-sourced. It's called CausalLens, and it answers one specific question that most analytics stacks get completely …

How I Built and Monetized a Currency Exchange Rate API with FastAPI, Deployed it on Render, and Published it on RapidAPI.

Introduction: In order to build passive income streams, I decided to publish APIs on RapidAPI. The idea is straightforward: build a useful API once, s…

The 7 Best Reddit Scrapers in 2026 (Free & Paid, Tested)

Looking for the best way to scrape Reddit posts and comments in 2026? Here's an honest, hands-on comparison of the top Reddit scrapers — including the…

Building a Python Script or Automation Tool? Let's Fix Your Backend Bugs.

Need Help Getting Your Automation Scripts to Run? Hey community, Writing a Python script to automate a repetitive task is a great feeling—until you tr…

Quark's Outlines: Python User-defined Functions

Quark’s Outlines: Python User-Defined Functions Overview, Historical Timeline, Problems & Solutions An Overview of Python User-Defined Functions W…

Pluto-ecss: A transpiler and runtime for PLUTO procedure language

This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built pluto-ecss is a transpiler and runtime for PLUTO — the procedure language …

## Stop Wasting Time on Dev Setup — I Built a CLI That Automates Everything

One thing that has always bothered me as a developer is how much time gets wasted setting up new projects. Creating folders, configuring Docker, setti…

Create fully complete .gitignore files from the cli

There are a gazillion packages in pypi.org that "build" your .gitignore files. The problem is, all download templates from a repository or another, an…

I Built a Local-First AI Desktop Knowledge Base — Here's What I Learned

# I Built a Local-First AI Desktop Knowledge Base — Here's What I Learned After building docnest-ai — a hybrid RAG engine for Python — the next logica…

Python Day Two : The Start of Real Coding

Python Day Two : Python Output & Print print() is a Python🐍 command used to show something on the screen. Example: print ( " Pure Pearl Foundation…

From NumPy to JAX: My First "Aha!" Moments with Accelerated AI

Building open-source solutions for my 100 Days of AI Agents challenge meant I needed to start looking at frameworks that scale better than standard Nu…

The .txt File as the Soul of a Personal AI — FileRAG Memory Architecture

The .txt File as the Soul of a Personal AI — FileRAG Memory Architecture By Dharanidharan J (JD) Full Stack & AI Engineer | Building Jarvix The Pr…

MP3 - SQLi, XSS, and CSRF WriteUp

Introduction For Machine Problem 3, our group — Aki, Lark, and Carl — was tasked with finding and fixing security vulnerabilities in a sample web appl…

I Tested Every Web Scraping Tool Against Lazada — Here's What Actually Works (May 2026)

I came across Scrapling through a recommendation on X and decided to put it through its paces — not against a demo page, but against Lazada Singapore,…

Building a real-time F1 dashboard on macOS with free public APIs

I wanted to see live Formula 1 data on my desktop while watching the race — not buried in an app or a browser tab, but always visible in the corner of…

I Told a Robot to "Clean the Kitchen", and It Actually Did

I typed "Clean the kitchen" into a chat box. A robot turned toward the right room, drove over, swept the floor in a tidy back-and-forth pattern, and c…

How China-focused funds turn Weibo into alt-data (Python, 2026)

If you run a China book — equities, FX, commodities, or just a macro tilt — you already know the problem: the official numbers are slow and the Englis…

Deterministic Multithreaded Testing in Python with blanket

At PyCon US 2026 🐍 one of the standout talks for me was Larry Hastings on testing multithreaded code 🧵 via blanket. Dug deeper into the topic afterwar…

Building a Self-Healing AI Agent: How to Run Untrusted Code Safely Without Blowing Up Your Server

Imagine you are building an autonomous AI agent. You give it a terminal tool, a file-writing tool, and the ability to execute Python scripts. You ask …

ShadowLab: Building a Python C2 Prototype for Security Labs (V1.3)

I built ShadowLab : A modular, Python-based C2 framework designed for security research and offensive simulation. Traditional cybersecurity study ofte…

CVE-2026-48710: A Maintainer's Perspective

How to Add Memory Security to Your LangChain Agent in 5 Minutes

Why Your Agent's Memory Needs Security If you're building LangChain agents with persistent memory (ConversationBufferMemory, RedisChatMessageHistory, …

Python Functions

Functions: Functions in Python are blocks of code that perform a specific task. They help us avoid repeating code and make programs easier to read and…

The UK Government Just Merged This Open-Source AI Security Benchmark Into Their National Evaluation Framework

What Happened Last month, the UK Government's AI Safety Institute merged AgentThreatBench into their official inspect_evals framework — the same frame…

Shipping Sovereign SDK: Cryptographic Forensic Receipts and the End of the AI "Prose Tax"

As I've been working through my content on Sovereign Systems and Inference Patterns, I find that we, as an industry, talk a lot about the operational …