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Agentic Web Email Infrastructure

Your agent is three steps away from completing a registration. It filled out the form, submitted it, and got a 200 OK back. The service responds: "Che…

aipythonautomationmcp
Dev.to Apr 28, 2026, 20:09 UTC
EN

Programming Isn’t About Syntax: It’s About Understanding the Basics

I’ve been thinking about why programming feels harder than it should when you’re starting out. I think a big part of it is how it’s taught. You jump s…

programmingpythonjavabeginners
Dev.to Apr 28, 2026, 17:49 UTC
EN

Introducing Citai: the RAG engine I built across 6 articles — now free to try

Over the last 6 articles I shared how I built every piece of a production RAG engine: hybrid search, cross-encoder reranking, SSE streaming, multi-ten…

aipythonshowdevrag
Dev.to Apr 28, 2026, 13:10 UTC
EN

Building a Rolling-Baseline HTTP Anomaly Detector (No Fail2Ban)

Every VPS running a public web app gets hit with traffic it didn't ask for, from scrapers, brute-force login attempts, or just someone's misconfigured…

devopspythondockersecurity
Dev.to Apr 28, 2026, 04:46 UTC
EN

Best Python Course 2026: How to Choose (and Win)

If you’re googling best python course 2026 , you’re not alone—and the timing makes sense. Python is still the default language for automation, data wo…

pythonlearningprogrammingcareer
Dev.to Apr 27, 2026, 22:05 UTC
EN

Why iPhone Videos Silently Fail as Telegram Video Avatars

The Silent Failure Nobody Explains I was setting up a Telegram video avatar and uploaded a recent iPhone clip. No error, no feedback, just the upload …

telegrampythonffmpegshowdev
Dev.to Apr 27, 2026, 16:06 UTC
EN

The Swiss Army Knife That Actually Works: How AI Learned to Think and Draw at the Same Time

Picture a talented friend who can do something most people cannot: hold a genuine conversation about a painting while simultaneously sketching it from…

aimachinelearningcomputervisionpython
Dev.to Apr 27, 2026, 15:07 UTC
EN

Introducing CareerGPT – A Multi-Agent AI Career Assistant

Today, I’m sharing my recent project: CareerGPT. CareerGPT is built using LangGraph and LangChain. The core idea behind this project is to design a mu…

ailangchainpythonproductivity
Dev.to Apr 27, 2026, 08:19 UTC
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The Bulletproof FastAPI Stack

Building a FastAPI project is exciting—until the code grows, the types get messy, and security vulnerabilities creep in. In a world where Developer Ex…

pythontutorialbeginnerswebdev
Dev.to Apr 26, 2026, 23:13 UTC
EN

Fine-tuning Chatterbox on a Low-Resource Language: 7 Things That Mattered

Fine-tuning Chatterbox on a Low-Resource Language: 7 Things That Mattered Resemble AI's Chatterbox Multilingual TTS is one of the few SOTA open-source…

machinelearningttspythontutorial
Dev.to Apr 26, 2026, 18:52 UTC
EN

850x Faster PostgreSQL Writes With One Line of Python

Every Python developer loading data into PostgreSQL hits the same wall. executemany() with 1M rows? 16 minutes. df.to_sql() ? Same thing — it generate…

pythonpostgresdataengineeringopensource
Dev.to Apr 26, 2026, 10:51 UTC
EN

Stop flying blind on flaky tests — pytest-cloudreport gives you HTML reports and cross-run history

If you've ever stared at a CI failure that passes locally, or watched the same test flap for the third time this week with no idea how often it's actu…

pythonpytesttestingdevops
Dev.to Apr 26, 2026, 07:04 UTC
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Detecting Greenwashing at Scale: Building an EU Green Claims Compliance Checker

Detecting Greenwashing at Scale: How We Built an Automated EU Green Claims Compliance Checker The EU Green Claims Directive is coming into force progr…

sustainabilitycompliancewebdevpython
Dev.to Apr 25, 2026, 14:06 UTC
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Building a Self-Evolving AI: Tian AI's Code Modification Engine

Self-Evolution: AI That Improves Itself Tian AI features a groundbreaking self-evolution system that allows the AI to analyze, modify, and improve its…

aipythonopensource
Dev.to Apr 25, 2026, 13:15 UTC
EN

I spent 1 year building a fully-featured online IDE from scratch. Looking for feedback!

Hey everyone, I recently launched CodingPulse (codingpulse.online), a project I’ve been working on to bring a professional IDE experience directly to …

showdevwebdevjavascriptpython
Dev.to Apr 24, 2026, 18:53 UTC
EN

I Built a Multi-LLM Debate Engine That Fact-Checks Itself in Real Time

When you ask one LLM a question, you get one answer. When you ask five LLMs the same question, you get five answers and no way to tell which is right.…

llmaipythonopensource
Dev.to Apr 24, 2026, 15:09 UTC
EN

Add Authentication and SSO to Your Flet App

This blog was originally published on Descope . Creating cross-platform applications has become much easier with frameworks like Flet . Flet allows de…

pythonsecuritytutorialwebdev
Dev.to Apr 24, 2026, 15:00 UTC
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I Built a Private, Local-First AI Assistant with Flask

The Goal: I wanted an AI assistant that doesn't save my logs to the cloud and utilize my hardware. Though it's quite slow as of now, I believe with fu…

aipythonshowdevopensource
Dev.to Apr 24, 2026, 11:23 UTC
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A QA engineer's first AI testing project - FastAPI + local LLM + pytest

I'm an automation engineer that writes mostly UI tests with some API sprinkled in. A recruiter wrote to me about an interesting job - AI/LLM testing. …

aitestingpythonqa
Dev.to Apr 24, 2026, 11:15 UTC
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5 Serverless Frameworks I've Actually Deployed Python on AWS With (And One I Stopped Using)

TL;DR: Let me paint a picture you've probably lived through. You write a Python Lambda that works perfectly on your machine. 📖 Reading time: ~32 min W…

pythonawsprogrammingtutorial
Dev.to Apr 24, 2026, 02:21 UTC
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I audited my own Claude Code setup and found 21 issues in 72 artifacts

The accidental sprawl I wanted to know how many Claude Code agents I had accumulated. The answer was uncomfortable: $ ls ~/.claude/agents/ | wc -l 47 …

claudecodeaipythonopensource
Dev.to Apr 23, 2026, 22:36 UTC
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Spelling correction at scale: Levenshtein distance, BK-trees, and symmetric deletion

Spelling correction at scale: Levenshtein distance, BK-trees, and symmetric deletion If you’ve ever built a search feature, you’ve likely started …

algorithmspythonperformancewebdev
Dev.to Apr 23, 2026, 19:15 UTC
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I Backtested My Own GEX Product Across 8 Years of SPY. Most of It Is Just VIX.

I sell a dealer-exposure API. GEX, DEX, VEX, CHEX — the whole Greek-exposure stack. So when I tell you the backtest on my own product is mostly a VIX …

optionsquantpythondatascience
Dev.to Apr 23, 2026, 10:06 UTC
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I Built a Threading Engine - I Need Results (Feedback)

I've been building TokenGate - an experimental Python concurrency engine that uses a token-based model to manage threaded tasks. No manual thread mana…

pythoncodeprogrammingopensource
Dev.to Apr 23, 2026, 04:26 UTC
EN

I automated my entire job search with AI — here's the full stack I built

I automated my entire job search with AI — here's the full stack I built Manual job searching is genuinely miserable. You open LinkedIn. You scroll. Y…

webdevpythonaishowdev
Dev.to Apr 23, 2026, 04:18 UTC
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.gitignore Done Right — What to Ignore, Why, and the Pattern Every Production Codebase Uses

A deep dive into .gitignore for Python projects — the secrets pattern, the template exception, what belongs in version control and what doesn't, and h…

pythongitsecuritybeginners
Dev.to Apr 21, 2026, 23:30 UTC
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My First Attempt at Contributing to Firefox (Outreachy Journey)

🟢“From Confusion to Clarity: My Firefox Bug Fix Experience” “What Trying to Fix a Mozilla Bug Taught Me”🟡 Starting my journey into open source with Fi…

aiprogrammingbeginnerspython
Dev.to Apr 21, 2026, 13:21 UTC
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Building a Live F1 Dashboard Using OpenF1 and Streamlit

Formula 1 generates massive amounts of telemetry data during each race weekend — lap times, sector speeds, tire compounds, and pit stop durations. For…

pythonstreamlitdatasciencetutorial
Dev.to Apr 20, 2026, 18:29 UTC
EN

ReconSpider: HTB Web Enumeration Tool Guide (2026)

TL;DR ReconSpider is a Python-based web enumeration tool built by HackTheBox that crawls a target domain and extracts structured reconnaissance data i…

cybersecuritysecuritytutorialpython
Dev.to Apr 20, 2026, 15:30 UTC
EN

FLAMEHAVEN FileSearch: Why This RAG Engine Feels Different from the Usual Stack

FLAMEHAVEN FileSearch: Why This RAG Engine Feels Different from the Usual Stack RAG is no longer an exotic idea. At this point, most developers have s…

pythonragopensourcearchitecture
Dev.to Apr 20, 2026, 14:27 UTC

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