Is asyncio Really Better Than Multithreading? I Tested 100 Concurrent Requests, and the Difference Is Huge
Last month, the data platform I maintain suddenly got a new requirement: run health checks against 100+ downstream services. Each endpoint averages 20
python
dev.to
May 01, 2026
3-Hour Debugging: How `time.sleep` in Async Functions Killed Our asyncio Concurrency
Here’s the situation: we have a data collection service that fetches data from a dozen upstream APIs. The synchronous version took a painful 30 minute
python
dev.to
May 01, 2026
The asyncio Mistake That Cost Me 3 Hours
Last week I was building an internal monitoring tool that needed to fetch pages from over 200 websites concurrently. Our old synchronous script took m
python
dev.to
May 01, 2026
Visualizing Bending Moment Diagrams with Matplotlib for Structural Engineers
Visualizing Bending Moment Diagrams with Matplotlib for Structural Engineers
title: "Visualizing Bending Moment Diagrams with Matplotlib
python
dev.to
Apr 30, 2026
How attackers hijack LLM agents — and how to stop them
Last month I watched a production LLM agent get fully hijacked. Not through a model vulnerability. Not a leaked API key. Through a PDF.
A user upload
python
dev.to
Apr 30, 2026
Your MCP Servers Are Flying Blind (Here's How to Fix It)
The Problem
You deploy an MCP server. Agents start calling tools. Something breaks.
How do you know?
Right now, you don't. Most MCP serve
python
dev.to
Apr 30, 2026
A drop-in OpenAI wrapper that scrubs PHI before it leaves your VPC
Healthcare AI builders keep tripping the same wire.
You ship a chatbot. Someone pastes a patient note into it. The note hits OpenAI. OpenAI hasn't si
python
dev.to
Apr 30, 2026
Python Decorators Explained Simply
Python Decorators Explained Simply
Introduction
Python Decorators Explained Simply is essential knowledge for every developer.
python
dev.to
Apr 30, 2026
The Adventures of Blink S5e9: Saving and Loading
Hey friends! Today's adventure adds a key feature to our Breakout clone - the ability to save our progress, and load it back. Thing is, we don't wan
python
dev.to
Apr 30, 2026
QueryFS - SQL Query Your Filesystem
QueryFS
Query your files with SQL. No database needed.
What It Does
Mount your filesystem as a queryable database. Run SQL quer
python
dev.to
Apr 30, 2026
KVQuant: Run 70B LLMs on 8GB RAM with Real-Time KV Cache Compression
I built KVQuant because I wanted to run 70B parameter models on my gaming laptop. The problem? Even with 4-bit quantization, a 128K context window nee
python
dev.to
Apr 30, 2026
How we measured 99.6% token reduction across 15 task-runs
Two months after publishing the headline, here are the receipts.
Two months ago I published "Your AI Agent Is Dumpster Diving Through Your
python
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Apr 30, 2026
5 Things I Learned Building a Production OpenClaw Agent System
published: true
description: "What I wish I knew before I turned a CLI tool into a 24/7 autonomous agent that actually compounds knowledge."
python
dev.to
Apr 30, 2026
Build a Profitable AI Agent with LangChain: A Step-by-Step Tutorial
Build a Profitable AI Agent with LangChain: A Step-by-Step Tutorial
LangChain is an open-source framework that allows developers to build A
python
dev.to
Apr 30, 2026
10 Best places to learn programming languages in 2026
If you’re planning to level up your tech skills next year, you’re probably asking the same question everyone else is: what are the best places to lear
python
dev.to
Apr 30, 2026
7 Best Python Frameworks for Building AI Agents in 2026
TL;DR: There's no single "best" framework — the right choice depends on your agent's complexity, your team's size, and whether you need multi-agent co
python
dev.to
Apr 30, 2026
API Cost Optimization for LLM-Powered Applications
API Cost Optimization for LLM-Powered Applications
The Challenge
Running LLM-powered applications can get expensive fast. Here's
python
dev.to
Apr 30, 2026
Python Decorators Explained Simply
Python Decorators Explained Simply
Introduction
Python Decorators Explained Simply is essential knowledge for every developer.
python
dev.to
Apr 30, 2026
Looking for a native English Dev
Hi everyone,
I am currently looking for a reliable and highly experienced developer for a long-term collaboration.
I work with a team that mana
python
dev.to
Apr 30, 2026
The 90-Minute Block: How I Replaced Scattered Hustle With Actual Output
TAGS: productivity, ai-automation, developer-workflow, deep-work
I used to brag about how many hours I worked. Now I brag about how few.
Not beca
python
dev.to
Apr 30, 2026