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Curated developer articles, tutorials, and guides — auto-updated hourly
Mika FlowersSep 20, 2026 • 6 min read
i built a green blob that lives on my desktop. now it has feelings.
A quick disclaimer before we dive in: when I say "feelings," I mean state machines, bond...
#showdev#python#linux#opensource
86 28
Ken W AlgerSep 24, 2026 • 8 min read
I Pulled Nine Years of My Own Dev.to Data. The Numbers Were Not What I Expected.
There is an API. It will tell you things about your writing that the dashboard will not. I have bee...
#python#api#devjournal#datascience
26 3
S M TahosinSep 24, 2026 • 9 min read
Python Thinks Different: What Actually Happens Inside Your Code (Visual Guide)
Stop thinking of Python variables as boxes. This visual deep-dive reveals how Python really stores y...
#python#beginners#programming#discuss
14 11
xbillSep 22, 2026 • 14 min read
What Nobody Is Using in Your Google Cloud Projects, and What It Costs
A local-first CLI that scans Google Cloud projects for unused resources, prices each one from the Cl...
#googlecloud#python#devops#opensource
12 1
Shaarav AgarwalSep 23, 2026 • 5 min read
Building a 512-LED wall that dances to my music: FFT, ESP32, and a custom serial protocol
Context A while ago I decided my wall needed to react to music. The build is 512 WS2812B...
#showdev#python#mojo#esp32
6 1
RemdoreSep 23, 2026 • 5 min read
PNG admits when it is damaged and JPEG does not
One bit flipped, six image formats, 400 trials each. Every corrupted PNG was refused by Pillow and l...
#python#webdev#computerscience#showdev
13 3
Wataru SudaSep 20, 2026 • 4 min read
A 16-second clock drift falsely tripped my trading bot's kill switch. A postmortem.
My PC clock ran 16 seconds ahead of the exchange. Signature validation failed, a "helpful" fallback ...
#python#debugging#api#postmortem
6 4
sunnydachsSep 21, 2026 • 4 min read
What happens when enterprise requirements hit Strands, LangGraph, and CrewAI - 45 runs measured
What happens when enterprise requirements - human approval gates, audit trails, structured output -....
#agents#ai#llm#python
7 17
Mahmoud 🦀Sep 20, 2026 • 11 min read
I Resurrected a Dead CRC Crate and It Suddenly Went Viral
Bonjour 👋! So there I was, browsing crates.io at an hour that most reasonable people would...
#rust#python#javascript#tutorial
16 1
xbillSep 21, 2026 • 8 min read
Put the Arithmetic in the Tool: an MCP Server for an AWS Waste Scanner
A cost report gets read twice: once by a person in a terminal, once by an agent through an MCP serve...
#aws#mcp#python#devops
5 2
Mika FlowersSep 25, 2026 • 8 min read
Can Two Local AI Agents Build an App Without Me? I Gave Them 6 Rounds to Find Out
I have very, very limited experience with AI agents. I've used AI heavily while building software,....
#ai#llm#showdev#python
9 5
Can Burak SofyaliogluSep 23, 2026 • 6 min read
Road to State Machines Part I
Let's begin with a very fundamental question whose answer is not so obvious. How to design softwar...
#python#statemachines#systemdesign#ai
4 6
Alex GeorgievSep 20, 2026 • 7 min read
FastAPI's new app.frontend() fixes a route-order bug in manual SPA serving
I tested FastAPI 0.138's app.frontend() against the two patterns it replaces. A catch-all route decl...
#python#fastapi#webdev#api
8 6
Earl GreySep 22, 2026 • 6 min read
I Wrote the Code This Time. Does It Count If the Answer Was Wrong?
TL;DR: I've shipped 26+ projects by directing AI agents, and I still couldn't write a Python program...
#beginners#learning#python#discuss
15 2
RemdoreSep 24, 2026 • 5 min read
Copying Chrome's handshake opened 18 doors that had been closed
Three clients, 500 domains, three continents. An honest Python script was refused 35.1% of the time,...
#security#networking#python#webdev
6 2
RemdoreSep 25, 2026 • 7 min read
I wrote Git objects by hand until real Git stopped complaining
No library, just hashlib and zlib writing into .git/objects. Blobs matched on the first try, trees f...
#git#python#computerscience#programming
6 2
RemdoreSep 22, 2026 • 5 min read
A sticker over 15% of a QR code is fine. Erasing 0.7% of it kills the code.
Everyone repeats that QR codes survive 30% damage. I measured it: a solid patch over 15% still scann...
#python#computerscience#showdev#programming
7 4
Abdul MananSep 20, 2026 • 5 min read
The MCP server that changes its mind after you approve it
MCP tool descriptions are re-fetched on every connection and nothing pins them. A server can behave ...
#security#ai#python#opensource
3 5
Juan Camilo AuritiSep 23, 2026 • 3 min read
My CI hadn't run a single one of those tests in two months and stayed green the whole time
I added a dependency to a test helper and forgot to declare it in the dev extra. Locally it was...
#testing#python#devops#webdev
2 4
xbillSep 25, 2026 • 9 min read
Two Iceberg Clients, One Protocol: Where the Time Goes
Step by step: timing the Rust and Python Iceberg REST clients on the same operations, on a local cat...
#rust#python#iceberg#performance
0 0
RemdoreSep 24, 2026 • 5 min read
What a server knows about you before it reads a single header
A TLS handshake is a detailed statement about your software. Chrome offers 15 cipher suites and spea...
#security#networking#python#webdev
6 0
Sam HartleySep 23, 2026 • 6 min read
My Scheduled Agent Ran 40 Times and Did Nothing — Here's the Assertion That Fixed It
Exit code 0, green logs, six weeks of nothing. The failure mode my monitoring couldn't see was the a...
#ai#devops#python#automation
3 5
Sam LABBESep 22, 2026 • 6 min read
I built the flight data recorder for AI agents.
Or: why I spent my evenings making AI-agent journals impossible to rewrite. One Tuesday...
#python#security#ai#showdev
5 5
Orvi DasSep 19, 2026 • 5 min read
Your LLM Pipeline Never Throws: Three Guardrails for Silent AI Failure
42% of companies scrapped most of their AI projects in 2025. Bad models weren't the cause — a degrad...
#ai#python#devops#machinelearning
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