rdev-go-api-template: Production-ready Go API Scaffolder & CLI Generator
rdev-go-api-template 🚀 The Concept A unified Go development utility that functions simultaneously as a production-ready architectural blueprint and an…
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Lesson 1.3 - GraphQL for Screen Complexity and App Changes
Good morning, class! Welcome back. In our last lesson, we explored how GraphQL fundamentally addresses the issues of over-fetching and under-fetching.…
Lesson 1.2 - REST Problems and the First GraphQL Fixes
Good morning, everyone! Welcome back. In our previous lesson, we compared REST and GraphQL at a high, architectural level. Today, we are going one lay…
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference Three months ago I opened our quarterly cloud spend dashboard and almost choked on my co…
Why AI agents can't shop today — and what we're building to change that
AI agents are getting smarter every week. They can browse the web, write code, analyze data. But there's a glaring gap in their capabilities: they can…
Airtable AI From Scratch: A Freelance Dev's Cost Breakdown
Airtable AI From Scratch: A Freelance Dev's Cost Breakdown I run a one-person shop. No co-founders, no VC money, no "growth team." Just me, my laptop,…
[EN] How to Organize a REST API Tree to Survive Time (and Org Chart Changes)
Also available in Spanish Before designing an endpoint, classify its nature. Only then choose its location. The Silent Problem There are many articles…
**Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026
Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026 I've been running Slack-integrated AI workflows in production for about three …
Reduce LLM Token Waste in RAG with Markdown
TL;DR Feeding raw HTML to Large Language Models wastes tokens on markup, scripts, and styling. By rendering dynamic web pages in a headless browser an…
ID, token, UUID и slug: в чём разница и почему их нельзя мешать
В каждом бэкенде рано или поздно рядом появляются id , UUID , slug , token и request_id . Все они выглядят как строки, но отвечают за разные вещи. Ког…
How I built Google Drive sync without a backend (and the 3 bugs that almost broke me)
When I started building PenPage — a privacy-first note app that stores everything in IndexedDB — I made one assumption that cost me three weeks of deb…
Bannx — High-Volume Banner, Ad & PDF Automation for Developers and Designers
If you've ever had to generate hundreds of social media banners, OG images, or PDF certificates programmatically — you know how painful that workflow …
REST vs GraphQL vs gRPC — Which One Should You Actually Use?
Every engineering team hits this conversation at some point. Someone proposes GraphQL. Someone else says REST is fine. A third person mentions gRPC an…
Tackling Performance Bottlenecks in Full-Stack Development: A Senior Engineer’s Guide
As a full-stack product engineer, one of the most persistent challenges I face is managing performance bottlenecks that arise between frontend, backen…
Fixing WebSocket Silent Disconnects for Financial Market Data
Intro If you work with real-time financial tick data via WebSocket long connections, you’ve probably run into frustrating hidden issues: Connections s…
I Tracked My AI API Costs for 30 Days. The Results Changed How I Build.
I've been shipping AI features for the past year. Last month I hit a wall — my API bill crossed $300 and I had no idea where it was going. So I did wh…
How I Cut My LLM API Costs by 70% Without Touching My Code
I was staring at my AWS bill, and my stomach dropped. $214 for AI API calls last month. That's more than my hosting, my database, my entire infrastruc…
Your Automation Hits a 403 That Will Never Resolve. Now What?
What do you do when an endpoint returns 403 forever, not because of a bug, but because a human made a policy decision and the only fix is an email to …
I Spent Two Weeks Pitting Qwen 3 Max Against DeepSeek V4
I Spent Two Weeks Pitting Qwen 3 Max Against DeepSeek V4 I want to tell you about a rabbit hole I fell into recently. It started the way most of my pr…
Quick Tip: Tame Empty AI API Responses in Under 10 Minutes
I gotta say, quick Tip: Tame Empty AI API Responses in Under 10 Minutes I still remember the night I spent four hours debugging a chatbot that kept re…
How I stopped fighting AI API chaos with a simple proxy
I recently took on a side project that needed to tap into multiple AI models – GPT-4 for complex reasoning, Claude for creative writing, and a local L…
Running Chinese LLMs at Scale: A Cloud Architect's Notes
Running Chinese LLMs at Scale: A Cloud Architect's Notes I want to talk about something I've been wrestling with on real production workloads: the fou…
I Built a Zero-Markup AI API Gateway - 18 Models at Provider Cost
The Problem Every AI API gateway I tried added an invisible margin. OpenRouter, the biggest player, quietly marks up every model. You pay more than th…
Most developers think an API Gateway is just a reverse proxy.
It's much more than that. An API Gateway sits between clients and your backend services, acting as a single entry point for your entire system. Client…
Best HTML to PDF API Tools for Developers in 2026
Key takeaways HTML2PDF.app is built as a browser based HTML to PDF API that focuses on real SaaS workloads, like invoices, receipts, reports, and expo…
I Cut RAG Costs 65% With DeepSeek + ChromaDB — Full Data
I Cut RAG Costs 65% With DeepSeek + ChromaDB — Full Data Last quarter my team burned through $14,800 on a single RAG workload. That's not a typo. I st…
Why I stopped hardcoding AI API keys in my frontend
A few months ago, I pushed a commit that accidentally exposed my OpenAI API key in a client-side JavaScript bundle. I caught it before anyone else did…
The Data Scientist's Guide to AI Summarization in 2026
I gotta say, the Data Scientist's Guide to AI Summarization in 2026 I have spent the better part of three years building summarization pipelines, and …
Saving 82% on AI: How I Migrated From GPT-4 to Chinese Models
Saving 82% on AI: How I Migrated From GPT-4 to Chinese Models Let me tell you a quick story. About three months ago, I was staring at a Stripe dashboa…
Auto-Route Invoices With Inbound Email Rules
A single inbound email rule can carry up to 50 match conditions and 20 actions — and it runs inside the mail infrastructure itself, before your webhoo…