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LLM API Reliability in Production: What 10,000 Calls Taught Us About Failure Patterns

LLM API Reliability: The Reality Nobody Talks About If you have run more than a few thousand LLM calls in production, you have seen the pattern: thing…

llmpythondevopstutorial
Dev.to Jun 13, 2026, 09:24 UTC
EN

How to Add Living Photo Effects to Your Web Portfolio

Static portfolios blend together. Every designer's site has the same grid of JPEGs. We wanted something different for our own product pages at Inithou…

webdevcsstutorialai
Dev.to Jun 13, 2026, 07:19 UTC
EN

Your agent finished at 3 a.m. Where did the report go?

Overnight agents do good work, then dump it in a log file or a noisy Slack channel. Here's a pattern for delivering their output to a private, end-to-…

aiopensourceselfhostedtutorial
Dev.to Jun 13, 2026, 06:32 UTC
EN

Three gaps the WordPress maintenance industry still hasn't solved — from a survey of four major tools

WordPress maintenance automation has a long-running market, especially outside Japan. ManageWP, MainWP, WP Umbrella, InfiniteWP — each has more than a…

wordpressphptutorial
Dev.to Jun 13, 2026, 03:45 UTC
EN

USPS Just Broke Your Magento Shipping. Here's the Fix.

If your Magento store still depends on the old USPS Web Tools integration, you should assume your shipping rates are either already broken or one chan…

apiphptutorialwebdev
Dev.to Jun 13, 2026, 03:24 UTC
EN

How to Detect MEV in Your Trades 2026: A Practical Guide

Answer first — To detect MEV against your own trades in 2026, follow a four-step forensic process: (1) pull the transaction receipt and identify the b…

analyticsblockchaintutorialweb3
Dev.to Jun 13, 2026, 02:01 UTC
EN

How I stopped dumping PDFs and started chatting with my documentation

A few months ago I was drowning in documentation. My team had written hundreds of pages about our internal microservices, configuration guides, and de…

aipythontutorialwebdev
Dev.to Jun 13, 2026, 02:00 UTC
EN

When My AI API Went Down: Building a Resilient Fallback Pipeline

Last month, my side project hit a wall. The AI summarization API I depended on returned a 503 error for three hours. My app – a simple tool that trans…

aipythonapitutorial
Dev.to Jun 13, 2026, 01:01 UTC
EN

Build a ChatGPT-Style Email Plugin

Here's how the story usually goes. Saturday afternoon, you wire a language model to a mailbox for the first time. You type "summarize my unread mail" …

openaiemailaitutorial
Dev.to Jun 12, 2026, 23:37 UTC
EN

Create content about 'productivity' on Dev.to (avg 330 engagement)

The Developer's Guide to Sustainable Productivity: Tools, Techniques, and Mental Models The Developer's Guide to Sustainable Productivity: Tools, Tech…

careermentalhealthproductivitytutorial
Dev.to Jun 12, 2026, 19:22 UTC
EN

Mastering Concurrency with the Sleeping Barber Problem

Mastering Concurrency with the Sleeping Barber Problem Hey there, fellow coder! Today, we're diving into one of the most fascinating concepts in compu…

beginnerscomputerscienceprogrammingtutorial
Dev.to Jun 12, 2026, 19:16 UTC
EN

ayatsaadati — Complete Guide

Ayatsaadati: A Deep Dive into the Implementation If you’ve been navigating the landscape of digital Islamic resources recently, you’ve likely stumbled…

programmingtutorialopensourcewebdev
Dev.to Jun 12, 2026, 19:13 UTC
EN

The Bilingual Developer: Python and Go Looping & Iteration

In the last article, I wrote about how programs make decisions using conditionals. We went through how a program can make a decision, choosing one pat…

pythongoprogrammingtutorial
Dev.to Jun 12, 2026, 18:13 UTC
EN

How to Write a Flutter Agent Skill That Actually Works: The 2026 Recipe

TL;DR A great agent skill is not a pile of documentation. It is a tightly scoped SKILL.md with a description engineered for discovery, ruthless concis…

flutterdartaitutorial
Dev.to Jun 12, 2026, 18:13 UTC
EN

CSS Animations & Transitions: A Visual Guide (2026)

CSS Animations & Transitions: A Visual Guide (2026) CSS animations and transitions are the secret sauce that makes interfaces feel alive. No JavaS…

cssfrontendtutorialui
Dev.to Jun 12, 2026, 16:38 UTC
EN

Web Security: OWASP Top 10 — Practical Defense Guide (2026)

Web Security: OWASP Top 10 — Practical Defense Guide (2026) Security vulnerabilities follow patterns. The OWASP Top 10 lists the most critical ones — …

javascriptsecuritytutorialwebdev
Dev.to Jun 12, 2026, 16:37 UTC
EN

Git Advanced: Rebase, Bisect, and the Commands That Save Hours (2026)

Git Advanced: Rebase, Bisect, and the Commands That Save Hours (2026) Most developers know git commit and git push . But the real power of Git is in t…

cligitproductivitytutorial
Dev.to Jun 12, 2026, 16:36 UTC
EN

Developer take on: WASI 0.3.0 Released

Developer Take on: WASI 0.3.0 Released The WebAssembly System Interface (WASI) has been a long-awaited feature for the WebAssembly ecosystem. With its…

webdevprogrammingproductivitytutorial
Dev.to Jun 12, 2026, 14:38 UTC
EN

Streaming Responses with Claude API in Python (2026)

Originally published at kalyna.pro Streaming sends Claude's response token by token as it's generated, instead of waiting for the full completion befo…

pythonaiclaudeapitutorial
Dev.to Jun 12, 2026, 13:09 UTC
EN

Claude Prompt Caching: How to Cut API Costs (2026)

Originally published at kalyna.pro If your app sends the same large system prompt, tool definitions, or document context on every request, you're payi…

pythonaiclaudeapitutorial
Dev.to Jun 12, 2026, 13:06 UTC
EN

How to use build-your-own-x: Master programming by recreating your favorite technologies from scratch.

Are you tired of just using frameworks and libraries without truly understanding how they work under the hood? Imagine gaining an unparalleled depth o…

webdevprogrammingproductivitytutorial
Dev.to Jun 12, 2026, 12:40 UTC
EN

Handling Email Replies in an Agent Loop

You built the outbound half of an email agent. It sends a well-crafted message, the recipient writes back six hours later... and your agent has no ide…

aiemailtutorialagents
Dev.to Jun 12, 2026, 12:37 UTC
EN

A practical guide on leveraging GitHub Copilot to identify and fix OWASP Authentication vulnerabilities for the Finish-Up-A-Thon challenge.

Improving My OWASP Authentication Failures Write‑Up Using GitHub Copilot GitHub “Finish-Up-A-Thon” Challenge Submission Sujala Vasanthasena Nelavai Su…

githubchallengegithubcopilotsecuritytutorial
Dev.to Jun 12, 2026, 10:18 UTC
EN

Add Video Processing to Your Vercel + Supabase App in 10 Minutes

Originally published at ffmpeg-micro.com Most Vercel + Supabase apps hit the same wall: a user uploads a video, and you need to do something with it. …

vercelsupabaseffmpegtutorial
Dev.to Jun 12, 2026, 10:15 UTC
EN

How QR Code Logo Embedding Works (Without Breaking Scannability)

You've seen QR codes with logos in the center. Maybe a Starbucks QR with their siren, or a brand's QR with their logo stamped dead center. How does th…

algorithmscomputersciencedesigntutorial
Dev.to Jun 12, 2026, 09:16 UTC
EN

Three Token-2022 Mints in One Week: Fees, Yield, and Soul-Bound

If you have built middleware in Web2, you already understand Token-2022 extensions. The old SPL token program is like a plain Express router. Token-20…

100daysofsolanaweb3tutoriallearning
Dev.to Jun 12, 2026, 09:10 UTC
EN

Swift Break, Continue and Infinite Loops — Taking Control of Your Loops 🎮

So far our loops have run from start to finish without interruption. But sometimes you need more control — skip certain items, stop early when you've …

beginnersprogrammingswifttutorial
Dev.to Jun 12, 2026, 08:44 UTC
EN

Free AI CV Builders in Germany 2026: ATS-Ready, GDPR-Safe, No Login Needed

I have been testing free AI CV tools for three months. Most articles recommend the same five tools. Almost none of them mention the two problems that …

aicareerproductivitytutorial
Dev.to Jun 12, 2026, 08:38 UTC
EN

How I Built a Property Matching System Using Euclidean Distance

Most accommodation platforms sort by price and star ratings. When I started building Voyera , a ski accommodation platform for Niseko, Japan, I wanted…

webdevjavascripttutorialnextjs
Dev.to Jun 12, 2026, 07:14 UTC
EN

HTML/CSS Animation to Video (MP4): the Headless, Deterministic Way (incl. Claude)

So you asked Claude to animate something. Maybe a logo, a loading screen, a data viz. It spat out a neat HTML file with CSS keyframes, everything look…

automationclaudetutorialwebdev
Dev.to Jun 12, 2026, 06:30 UTC

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