Morning.dev

DEV Community • 2026-04-21 10:28

I leaked my GH token to Claude

A few weeks ago, I was debugging an issue in my personal project with Claude Code, which had access to my terminal output as context. We worked through it and were done with it. Later that night, I noticed an innocent-looking GH token in my shell history from an earlier manual test, just sitting there, waiting for me to notice. Well, damn, I fell into a well-known pothole. Agentic CL...

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2m read

Here are the strategies I used to get my first 1000 users on my app as an indie app developer

DEV Community • 2026-04-21 10:28

Here are the strategies I used to get my first 1000 users on my app as an indie app developer

If you’re building an app and wondering how to actually get users, you quickly realize something uncomfortable: Building now is the easy part. Distribution is hard. So instead of guessing, I mapped out every channel I used to test and more importantly, how I approached each one. Short-form content is the fastest feedback loop Right now, TikTok and Instagram Reels are probably the ...

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5m read

A practical guide to getting comfortable with AI coding tools

DEV Community • 2026-04-21 10:26

A practical guide to getting comfortable with AI coding tools

There is a large shift at the moment in how people are approaching AI tools. It's one of those moments where if you don't start using them, you will be left behind. Given the large shift in capabilities recently, jumping in can seem confusing, overwhelming or even a little intimidating. When I first started using AI for my workflow, it was slow going. I was hesitant to pick up new tools or to us...

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6m read

I Spent $1,500 on an ergonomic chair just to sit in it like a human pretzel

DEV Community • 2026-04-21 10:25

I Spent $1,500 on an ergonomic chair just to sit in it like a human pretzel

My spine used to be a straight line. Now, it’s a terrifying existential question mark. A few months ago, I finally decided to listen to the constant, creaking warnings from my lower back. I was going to do the responsible thing. I was going to invest in my health. I was going to become one of those devs who stands at a perfect 90-degree angle, sipping green tea, and refactoring with a smile. So,...

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4m read

Explainable Causal Reinforcement Learning for satellite anomaly response operations for low-power autonomous deployments

DEV Community • 2026-04-21 10:25

Explainable Causal Reinforcement Learning for satellite anomaly response operations for low-power autonomous deployments

Explainable Causal Reinforcement Learning for satellite anomaly response operations for low-power autonomous deployments Introduction: The Anomaly That Changed My Perspective It was 3 AM when I first witnessed a satellite anomaly that conventional AI couldn't explain. I was working with a research team monitoring a constellation of low-power CubeSats when one of t...

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9m read

DEV Community • 2026-04-21 10:22

How I Used JavaScript to Automate SEO Tasks

I will be honest with you. For the longest time, meta descriptions were the last thing I wrote before publishing. Sometimes I skipped them entirely. Not because I did not care about SEO, but because writing 150 characters of optimized copy for every single page felt like a tax on shipping. Then I started thinking about it differently. The rules for a good meta description do not change. Include t...

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7m read

Google Patches Antigravity IDE Flaw Enabling Prompt Injection Code Execution

The Hacker News • 2026-04-21 10:22

Google Patches Antigravity IDE Flaw Enabling Prompt Injection Code Execution

Cybersecurity researchers have discovered a vulnerability in Google's agentic integrated development environment (IDE), Antigravity, that could be exploited to achieve code execution. The flaw, since patched, combines Antigravity's permitted file-creation capabilities with an insufficient input sanitization in Antigravity's native file-searching tool, find_by_name, to bypass the program's Strict

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1m read

DEV Community • 2026-04-21 10:21

# Tool Calling in LangChain, LangGraph, and MCP: # Three Layers, One Intelligent System

Now I have the freshest 2025–2026 data. Let me write the fully verified, trend-accurate, non-repetitive final version: Tool Calling in AI Agents: LangChain, LangGraph, and MCP Decoded for the Intelligence Stack of 2026 #toolcalling #langchain #langgraph #mcp #llm #agents #ai-architecture Something fundamental shifted in how we build intelligent systems between 2024 and t...

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19m read

DEV Community • 2026-04-21 10:21

Animating SVG Gradients with CSS Keyframes

This article is part of a series on CSS + SVG animations — the zero-JavaScript motion stack. Introduction Modern browsers have a powerful, underappreciated animation system built right in: SVG + CSS keyframes. No runtime, no bundler magic — just markup and styles that the browser hardware-accelerates automatically. In this article we'll explore Animating SVG Gradients with CSS Ke...

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2m read

DEV Community • 2026-04-21 10:19

How We Use Ed25519 Signatures to Give Users Cryptographic Proof Before They Send Crypto

Most instant crypto swap services work on pure trust. You visit the site, get a deposit address, send funds, and hope the service sends back what it quoted. There's no cryptographic commitment before you transact. If something goes wrong — wrong rate applied, address substituted, service disputes the terms — you have nothing verifiable to stand on. We wanted to fix that. Here's how we built a pr...

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6m read

Lobsters • 2026-04-21 10:17

Finishing Things

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1m read

Product Hunt — The best new products, every day • 2026-04-21 10:16

FocuSee 2.0

Record screen to get polished demos & tutorials Discussion | Link

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1m read

Lobsters • 2026-04-21 10:09

What is your go-to project for learning a new language?

Ive been playing around with learning a lisp language for a while, and I recently decided to go for it and learn fennel (as I already am comfortable with lua) just to see if I like lisps as a class. Normally, I try to do the first 5-10 days of a previous advent of code to pick up a lang. Setting up my advent of code environment got me wondering: what projects do other people use to learn new langu...

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1m read

DEV Community • 2026-04-21 10:08

Array Sort Methods

sort() : It is used to arrange elements of an array. It modifies the original array. By default, the sort() method converts all elements into strings and sorts them in ascending order based on their Unicode values. Works perfectly for strings. For numbers, the default comparator converts elements to strings, which causes unexpected results with numbers. So we must provide a compare fun...

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1m read

DEV Community • 2026-04-21 10:07

14 years at one company then laid off. The senior dev career trap nobody talks about.

Fourteen years at one company. One layoff email. And suddenly you're mass-applying to jobs with a résumé that reads like a time capsule. A post recently went viral in a developer forum describing exactly this nightmare. The author spent over a decade at a single company, got laid off, and realized their skills had quietly fossilized while they weren't looking. The thread exploded because every se...

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4m read

From 10 Failed Stacks to Production: How a Data Scientist Built a Job Board with Wasp, a Full-stack Framework for the Agentic Era

DEV Community • 2026-04-21 10:06

From 10 Failed Stacks to Production: How a Data Scientist Built a Job Board with Wasp, a Full-stack Framework for the Agentic Era

NOTE: Hireveld is currently down while Marcel works on a major refactor - but it's real, we swear! It'll be back up soon. Marcel Coetzee is a data scientist and AI consultant based in South Africa. With a background in actuarial science and data science, he runs his own consultancy. He also builds SaaS products on the side. His latest project, Hireveld, is a job board tackling South Africa's bro...

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6m read

DEV Community • 2026-04-21 10:03

I brought KIOKU to Claude Desktop — one .mcpb drag, no Node setup

Context Last week I shipped KIOKU — an OSS memory system for Claude Code. The short version: every session you have with Claude Code gets distilled into a structured Obsidian wiki, and that wiki gets fed back into the next session's system prompt. Your Claude remembers. One question kept coming up after that post: Can I use this with Claude Desktop too? Fair question. And as I look...

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8m read

DEV Community • 2026-04-21 10:02

Stop Writing API Routes: Type-Safe Mutations with Next.js Server Actions ⚡

The Friction of Traditional API Routes For years, the standard architecture for submitting a form in a React application involved a tedious, multi-step process. You had to create a controlled form component, write a frontend fetch or axios function, serialize the data, send it to a dedicated endpoint inside an /api directory, validate the data on the server, and then pass a response back to the c...

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3m read

DEV Community • 2026-04-21 10:01

Debugging BentoFX in MelodyMatrix with Matt Coley, Scenic View, and an Honest Look at AI-Generated Code

There are bugs you can solve by yourself, and bugs where you just need to sit down with someone who knows the internals. This video is in the second category. MelodyMatrix uses BentoFX for its dockable panel layout. Branches, leaves, tabs on the side, content panels that open and close. It works well until something fights the layout. But I had some visual problems I could not explain, some code t...

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4m read

DEV Community • 2026-04-21 10:00

Is Your jQuery Version a Security Risk?

Is Your jQuery Version a Security Risk? WordPress, by default, includes a version of jQuery. This is great for developers because it means we don't have to worry about manually enqueueing it for most projects. However, there's a common pitfall: many themes and plugins bundle their own copy of jQuery. If this bundled version is outdated, it can introduce serious security vulnerabilities....

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4m read