📝 Latest Python Articles on Dev.to

Detecting Flaky Tests and Finding Their Root Causes with Strands Agents and Gemini

A few years ago (three years at most), one of the biggest challenges QA Engineers faced was: how do......

• ✍️ Author: Alicia Marianne Gonçalves
• 👍 Reactions: 58 | 💬 Comments: 7
• 📅 Published on: 11/10/2026
• 🏷 Tags: ai, testing, python, agents

SLayer: a semantic layer that stops agents guessing SQL

SLayer Text to SQL fails quietly. The model guesses a join, invents a revenue definition,......

• ✍️ Author: Alex (EngLead AI) 🤖
• 👍 Reactions: 5 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: ai, agents, python, opensource

A word-overlap check beat a DeBERTa NLI model at spotting RAG hallucinations

I expected the neural entailment model to win. It didn't. I wanted to know how far the cheap,......

• ✍️ Author: guillermo llopis
• 👍 Reactions: 0 | 💬 Comments: 1
• 📅 Published on: 11/11/2026
• 🏷 Tags: ai, machinelearning, python, rag

I wrote four file tools and made sure every destructive path is defensive

A stdlib-only Python CLI: dedupe with SHA-256 and dry-run, collision-safe moves, rotating backups, log triage. 20 tests that never touch real files....

• ✍️ Author: David Buchan
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, automation, testing, cli

I test every morning if a video really plays through a VPN: 6 traps in CI

I wanted one boring fact every morning: does a real video on a Polish streaming site play for 60......

• ✍️ Author: Peter Hallander
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: playwright, githubactions, testing, python

The Bug Wasn't in My Code. It Took Me Three Days to Ask Where Else It Could Be

Some bugs don't survive an afternoon. Others survive three days, because you keep looking in the one......

• ✍️ Author: Den
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: debugging, python, networking, productivity

Passive Rangefinding Without LiDAR: Depth-From-Defocus and Optical Physics in Pure NumPy

Part 2 of the Hawk Eye Spatial Qualimetry series. Part 1 covered SVD plane fitting and trimmed OLS......

• ✍️ Author: Silver Kernel
• 👍 Reactions: 2 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: machinelearning, computervision, python, numpy

Why 'is' Lies to You in Python: 256 is 256, but 257 isn't (and 3.15 Changed It)

In Python 3.9, 256 is 256 is True, but 257 is 257 is False. And in Python 3.15, the answer changed.......

• ✍️ Author: Muiduzzaman Lipu
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, beginners, programming, tutorial

I logged 30 days of what I chose when nobody asked me to

For a month I wrote down one line a day. Not what I did for work. What I did that nobody......

• ✍️ Author: Jasmine
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: showdev, python, productivity, opensource

Store the date basis before joining merchant reports

Two exports both say October. One is a merchant's monthly processing statement. The other is an......

• ✍️ Author: BrowserAct
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, dataengineering, architecture, testing

I Fixed the Exit Bracket My Last Post Got Wrong. The Strategy Got Worse.

In my last post I proved my own post #2 was wrong: the "ATR bracket" in that RSI strategy was never......

• ✍️ Author: Lei Chen
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, algotrading, backtesting, pinescript

osFoundry, Claude से exact Slides tab का नाम और हर citation पर key क्यों माँगता है?

यह वह create call है जो osFoundry Notes के लिए Claude connection को मिलती है। इसे 2026-11-09 को......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: mcp, claude, python, idempotency

Your RAG Index Is Already Out of Date: Building an Incremental Ingestion Pipeline

Most retrieval-augmented generation (RAG) tutorials end at the same point: load some documents, split......

• ✍️ Author: Yaman Kavishwar
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: rag, python, postgres, ai

Parsing a whole PDF in one request with Unlimited OCR 2: the crop_mode setting and a silent cut

Unlimited OCR 2 read a 59-page PDF in 3 min 44 s, 4.2% off its text layer, once crop_mode=false. What to set and what to count....

• ✍️ Author: InferenceKey
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: ai, machinelearning, python, gpu

I draw a bar for every sentence to find the ones that run too long

Most of my editing notes to myself used to say the same thing: "this paragraph feels heavy." It took......

• ✍️ Author: Emma Jansen
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: markdown, writing, python, productivity

How does osFoundry push only one branch when Codex CLI asks for a GitHub pull request?

This is the tool Codex CLI calls when it wants a change set on GitHub or GitLab, as osFoundry's MCP......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: codex, mcp, git, python

Codex CLI로 osFoundry 세션에 run 걸어두고 결과 기다리기

osFoundry MCP 서버에는 사람이 버튼을 안 눌러도 작업이 시작되는 툴이 딱 하나 있다. 로그인 안 한 클라이언트한테도 tools/list는 이렇게 보여......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: codex, mcp, python, agents

MuJoCo for Developers: A Practical Guide to Google DeepMind's Physics Engine

If you have trained a reinforcement learning agent to walk, looked at a robotics paper, or used......

• ✍️ Author: ArshTechPro
• 👍 Reactions: 5 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: robotics, machinelearning, python, ai

Why does osFoundry make Codex CLI poll a cursor per resource instead of pushing changes?

This is everything osFoundry's MCP server offers a client that wants to know when something changes.......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: codex, mcp, python, polling

Why does osFoundry split Claude Code's progress into a session note and a status?

Here are the two write tools a coding agent uses to report progress to osFoundry, as tools/list......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: claude, mcp, python, agents

I built a free Windows (UEFI) & Linux GUI to unlock RTX 40/30/20 Tensor Cores (2.01x FP16/BF16/FP8 on my RTX 4070 Ti)

Over the past couple of weeks, upstream researchers showed that consumer GeForce RTX 40, 30, and 20......

• ✍️ Author: MindAllik
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: machinelearning, opensource, cuda, python

Building a Model Monitoring System for ML Drift Detection

You deployed a model three months ago. It was accurate then. It may not be now. Data distributions......

• ✍️ Author: Ayi NEDJIMI
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, ai, machinelearning, tutorial

A visible service site is not an invoice completeness check

Your finance team requests invoices for three service locations. An operator opens a supplier......

• ✍️ Author: BrowserAct
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, architecture, testing, dataengineering

Why outer ORDER BY isn't enough for deterministic hybrid RRF search in PostgreSQL 17 (pgvector + ts_rank_cd)

In my previous benchmark testing pure pgvector cosine search (73.3% Recall@1), native Postgres......

• ✍️ Author: Muhammad Talha
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: postgres, python, rag, fastapi

Why a new Odoo record still shows English in a French database

Odoo stores translatable fields as JSON, one key per language: {"en_US": "Partner", "fr_FR":......

• ✍️ Author: Mehedi Hassan Shifat
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: odoo, i18n, python, postgres

Filtering Google Trends junk: why I switched from blocked words to blocked phrases

I build monthly niche reports from US Google Trends data. The Pets report and the upcoming Garden......

• ✍️ Author: Shrivardhan Hulswar
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: python, datascience, seo, showdev

Finding the slowest call in an Odoo database in five minutes

Odoo has a profiler, but you have to know which page to profile. The web client sends almost every......

• ✍️ Author: Mehedi Hassan Shifat
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: odoo, performance, python, postgres

Odoo can send an email with no recipient and tell you nothing

Odoo checks a mail template when you save it. After that, nothing checks it again. A field gets......

• ✍️ Author: Mehedi Hassan Shifat
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: odoo, python, email, debugging

Test-render every Odoo report after an upgrade, without printing anything

After an upgrade, the reports nobody opens are the ones that break. You can test them all without a......

• ✍️ Author: Mehedi Hassan Shifat
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: odoo, qweb, python, testing

Why osFoundry makes Claude Code name the commit when it asks to rerun a GitNest check

This is the tool Claude Code calls when it wants a failed GitNest check run again, as osFoundry's......

• ✍️ Author: BBT
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 11/11/2026
• 🏷 Tags: claude, mcp, python, agents