Morning.dev

DEV Community • 2026-07-26 14:49

TestRail to Zephyr Scale Migration: CSV vs REST API

If you're planning a TestRail to Zephyr Scale migration in 2026, there are three things worth knowing before you start that most documentation doesn't make clear upfront: the product has been renamed in a way that's easy to get wrong, the "simple" import method only migrates a fraction of your data, and the timing might matter more than you think. Atlassian is sunsetting Data Center — an...

Hacker News • 2026-07-26 14:49

4m read

Show HN: I built an app for learning and playing Bridge

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DEV Community • 2026-07-26 14:45

Why Developer Utilities Should Process Sensitive Data in Your Browser

Developers paste surprisingly sensitive information into online utilities every day: API responses, access tokens, database records, cURL commands, and configuration fragments. A formatter or converter may look harmless, but the input can still contain customer data, internal URLs, credentials, or claims that were never meant to leave a local machine. That is why I built DevCrate: an open-source ...

DEV Community • 2026-07-26 14:44

Fix: resolve Qwen3 text encoder loading issues for FP8 and GGUF formats

Description This PR resolves two separate crashing issues that occur when loading the Qwen3 text encoder in different quantized formats (FP8 Safetensors and GGUF) alongside the Z-Image model. Issue 1: Missing lm_head.weight in FP8 Safetensors Error Traceback: Exception: Missing keys: ['lm_head.weight'] Root Cause: Many quantized FP8 checkpoints intentionally drop the lm_...

DEV Community • 2026-07-26 14:44

I Built an Autonomous On-Chain Agent on Solana: Here's the Documentation I Wish I Had Earlier

The last few days of the #100DaysOfSolana challenge have been some of the most exciting and humbling of my developer journey. I didn't just build another blockchain project. I built an AI agent capable of making decisions, interacting with Solana, and safely moving funds on Devnet. Today's challenge wasn't about adding new features. It was about documenting everything well enough that another de...

DEV Community • 2026-07-26 14:41

6m read

Python Is More Than Just print("Hello World"): Understanding the Fundamentals

I recently started learning Python, and in my first session, we explored some important fundamentals about Python, programming languages, Python versions, Python implementations, and the features that make Python popular. Before jumping directly into coding, understanding these basics gives us a better idea of what Python actually is and why it is widely used. What is Python? Pytho...

Hacker News: Front Page • 2026-07-26 14:40

7m read

Park by Robot at London Gatwick Airport

Article URL: https://aerospaceglobalnews.com/news/gatwick-airport-robotic-parking-stanley-robotics/ Comments URL: https://news.ycombinator.com/item?id=49058669 Points: 8 # Comments: 0

DEV Community • 2026-07-26 14:39

Fetching Instagram Data Concurrently in Python with HikerAPI

When I started collecting at , a simple sequential loop quickly became the bottleneck. Even if each request only takes a fraction of a second, hundreds or thousands of API calls add up. The solution wasn't making each request faster—it was making many requests at the same time. In this article I'll show the simple progression I followed: start with a single request, then parallelize it with thr...

DEV Community • 2026-07-26 14:34

Episode 1: Understanding Requirements

This series follows a fictional conversation between an experienced engineer and his nephew. Every episode explores one stage of how software moves from an idea to production. 👦 Nephew: Uncle, I finished the React course. I finished the RAG course. I can build a chatbot that talks to a PDF. What does a senior engineer even have that I don't? 👨‍🦳 Uncle: Tell me something first. When a civil en...

DEV Community • 2026-07-26 14:30

7m read

How I Built an Auditable Palworld 1.0 Breeding Calculator Without Shipping Game Files

Breeding calculators look simple from the outside: choose two parents and display a child. The harder engineering problem is trust. If the game changes, how does a player know which data a result came from? If a public dataset has a gap, should the calculator guess? And if automated tests pass, is it fair to say the results were verified in the game? I maintain Palworld Breeding Combos, the inde...

Hacker News: Front Page • 2026-07-26 14:30

5m read

The hacker who humiliated spyware makers and was never caught

Article URL: https://techcrunch.com/2026/07/25/the-hacker-who-humiliated-spyware-makers-and-was-never-caught/ Comments URL: https://news.ycombinator.com/item?id=49058593 Points: 3 # Comments: 0

DEV Community • 2026-07-26 14:26

I made LLM context editable: a graph where the wires are the prompt

Most LLM interfaces present a conversation as a transcript. That works until the conversation branches. One branch contains useful research. Another is a discarded hypothesis. A third is an unrelated detour. The interface may show where they came from, but the user often cannot see exactly which branches will be included in the model's next request. I wanted to make that state editable. ...

DEV Community • 2026-07-26 14:24

2m read

Terax packs a terminal, editor, git graph, and an AI agent into an 8 MB binary

Terax fits a terminal, a code editor, a git client with a real commit graph, a web preview pane, and an agentic AI panel into a binary that takes about 7 to 8 MB on disk. Most tools that pack that much surface area ship far heavier. Terax gets there by building on Tauri 2 and Rust instead of a bundled browser runtime, and the result is a dev workspace you install without an account and run without...

DEV Community • 2026-07-26 14:23

How to use third party web components - "for the rest of us"

How to use third party web components - "for the rest of us"

The question Last week I had a chat conversation with a friend who has some basic understanding of what HTML and Javascript is but wasn't familiar with tools and usage from the "modern" JS ecosystem like npm. He wanted to use a third party web component (found on GitHub) in a simple html file. The docs said something like: Installation: npm install @some-author/some-pkg Usage: imp...

DEV Community • 2026-07-26 14:19

4m read

Multi Agent RAG using LangGraph

Introduction to Multi Agent RAG using LangGraph The field of artificial intelligence has seen significant advancements in recent years, with the development of large language models (LLMs) and multi-agent systems. One area that has garnered attention is the use of Retrieval-Augmented Generation (RAG) with LangGraph, a library that enables the creation of intelligent agents. In this blog...

DEV Community • 2026-07-26 14:16

How to Self-Host an AI API Gateway With Sub2API

How to Self-Host an AI API Gateway With Sub2API

Sub2API can put one Base URL in front of several AI providers and accounts. Your clients use keys that you issue, while the gateway handles authentication, routing, usage accounting, and concurrency limits. Getting the containers online is the easy part. Once the gateway is running, you also own its database, Redis instance, TLS endpoint, credentials, logs, backups, and upgrades. This guide buil...

DEV Community • 2026-07-26 14:14

6m read

I built a security layer for applications that developers can install in seconds

Building Defen.so: a developer-first security layer for modern applications Most developers know they should add more security to their applications. A WAF, vulnerability scanning, monitoring, rate limiting, bot protection, file upload checks, security logs... But in practice, security often becomes a task for "later". The problem is that later usually means after something goes wrong. I starte...

Hacker News • 2026-07-26 14:07

2m read

Show HN: A browser-based video editor that renders videos directly with FFmpeg

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DEV Community • 2026-07-26 14:02

Conducting agents like an orchestra: how agents-concerto works

For months I had the same problem with coding agents: the session drops a pile of changes, and by review time I no longer know what it touched or why. The agent writes, the agent validates, the agent congratulates itself. The human signs blind. And when the agent did write tests, it got worse — green tests that proved nothing. Mocks of the very code under test, assertions on private fields, sna...