22259 posts from this source
Bulletproofing Bob: An End-to-End Deep Dive into a cloud-native application with Terraform, Ansible, Vault, and OpenTelemetry! The Member Management Application...
Today was one of those days where I didn’t just write code — I actually fixed my mistakes and understood what I built. I realized I had made some serious beginn...
더 많은 글은 radarlog.kr에서. 1편에서 Channels가 뭔지, 왜 필요한지를 다뤘다. MCP가 클로드→외부 방향이었다면, Channels는 외부→클로드 방향이라는 얘기. 오픈소스로 해킹하는 것과 공식 플러그인 시스템의 차이도 짚었다. 이번 편에서는 진짜로 손을 더럽힌다. 텔...
When building UI presentations or cutscene-like flows in Unity, skip support sounds simple at first. 'If the player presses a button, skip the current presentat...
Master these five essential AI agent design patterns to build successful enterprise applications as 40% of companies adopt AI agents by 2026. ReAct Pattern deli...
If you’ve been following our journey, you know that OWASP BLT is evolving. We’re streamlining our mission and modularizing our code, but a project is only as st...
I'm an AI safety researcher building and advising several startups. I study alignment because I don't trust prompts to keep agents safe. They're fragile, they d...
Experimenting with Agent skills for the first time, feeling empowered! MCP servers, agents, and deploy open models to Google Cloud Run. After the session, one o...
“Stop counting credits. Start shipping code.” That’s the promise behind Windsurf’s latest pricing update. In this guide, you’ll get a simple, honest breakdown o...
Building Production RAG Systems with PostgreSQL: Complete Implementation Guide Most RAG Retrieval-Augmented Generation systems fail in production for predictabl...
Architecture documentation tends to drift over time. It’s usually written once, when the system is simpler. But as the code evolves — refactors, new services, c...
Kubernetes has had CSI for block and file storage for years. But if your app needs an S3 bucket, you're on your own — script some API calls, create an IAM user,...
!Ben Halpernhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2F...
!Luckshvadhan Bhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads...
When developers need real-time updates, the first instinct is usually simple: “Let’s just ask the server every few seconds.” This approach is called polling. At...
TL;DR My OpenClaw cron jobs logged 'Message failed' for 4 consecutive days, but all 28 scheduled posts succeeded. The execution layer and notification layer are...
TL;DR 27 out of 29 cron jobs reported 'failed' in Slack, but the actual tasks 5 TikTok posts, JSON generation all succeeded. Reporting layer failure ≠ execution...
I built AgentOp — a platform where you can single standalone HTML files that Here's the technical story of how that actually works. Most AI agent platforms are...
TL;DR When OpenClaw cron jobs show 'Message failed' errors but the actual tasks complete, you're dealing with a separated failure in the notification layer, not...
The 'Top N per Group' Nightmare in SaaS If you've built a multi-tenant SaaS platform, you've likely hit the 'Top N per Group' wall. It usually starts with a sim...
TL;DR Encountered 'Message failed' errors in 13 out of 22 OpenClaw cron jobs, all targeting the same Slack channel. Discovered a selective failure pattern: ligh...
TL;DR Encountered selective failures where some Slack notifications succeeded while others failed to the same channel. Root cause: async timing issues and insuf...
TL;DR Running 22 OpenClaw cron jobs, 19 failed with 'Message failed' — but execution was 100% successful. Mistaking reporting layer failures for execution failu...
🚀 Phase 1: The Manual Foundation Goal: Set up the cluster and deploy a 'Hello World' app the old-fashioned way to understand what we are automating. Install th...
This is a submission for the Notion MCP Challenge Resume Tailor takes a job posting and your resume, then outputs a tailored resume and cover letter as PDFs. Th...
I needed to extract a 30-second clip from a podcast episode to use as a sample in a presentation. My options: install Audacity a 90 MB download with 200 feature...
I built a pay-per-request Instagram influencer search API using the x402 protocol — HTTP 402 payments in USDC on Base. This week I tested it with AgentCash to v...
A coworker sent me a .flac file last week and asked me to add it to a web project. My first reaction was 'just convert it to MP3.' But then I stopped and though...
You resize an image to fit a container and it looks wrong. The photo is distorted. People's faces are too wide or too narrow. The landscape that looked stunning...
It’s 5pm. My event starts in an hour. Plenty of time to build an app, right? I’m currently exploring a new project idea. Still early, still messy. One of the mo...
I was setting up a new CLI tool last month and wanted a startup banner. Something that would display the tool's name in the terminal when it launches. My first...
We’ve all been there. You’re deep into a complex coding session, debugging a gnarly architecture issue, or building a massive project. After 50+ messages, the c...
Postman was a Chrome extension when I first used it. Lightweight, fast, did one thing well. Then it became an Electron app. Then it wanted me to create an accou...
Every developer has the same ritual. You need to hit an API endpoint. You open a blank file or a terminal. You start typing curl or fetch and then pause. What's...
Source: https://github.com/ZeroaNinea/React-Vite-i18next--tanstack-react-router-Tailwind-Example Setting up a modern React project can quickly turn into depende...
I spent several months building Ask360, a multi-tenant RAG platform that lets anyone upload documents and deploy an AI assistant with source citations and confi...
TL;DR: Dashlane wins for solo developers who want premium features and don't mind paying $4.99/month. NordPass is better for teams and budget-conscious devs at...
Modern cloud-native applications are typically built using microservices architectures, where a single user request can travel through multiple services before...
A Step Toward Meaningful Values Conclusion This is not a new idea. 👉 It is a continuation of how C has been evolving. Giving meaning directly to values is a na...
Last week was the week x402 stopped being an experiment and became infrastructure. In the span of five days: Not a blog post about the concept. A production ref...
!Sandhya Steffy Mhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploa...
Most agent skills people create are a rewrite of what the LLM already knows. Claude Code's skill-creator, 'save this as a skill' at the end of a chat. These too...
Bubble Sort Bubble Sort repeatedly compares adjacent elements and swaps them if they are in the wrong order. Example: Characteristics: Simple to understand Not...
Stopwatch Demo Consider building a stopwatch component like the one below: Interactive or embedded content omitted — see the original post: https://isaacfei.com...
The source code is available in my repository. First, create an new virtual environment: python -m venv ~/pyvenvs/lambda I used venv for creating the environmen...
What Will We Build? And My Motivation In this post, we'll build a single-page web application that generates images using OpenAI's DALL-E 3 API. The app feature...
