Morning.dev

DEV Community • 2026-04-18 16:05

Traditional Quantization vs 1.58-Bit Ternary Models: A Practical Comparison

If you've been running local LLMs, you already know the drill: download a 70B model, quantize it to 4-bit with GPTQ or GGUF, cross your fingers, and hope your GPU doesn't catch fire. It works. It's practical. But there's a fundamentally different approach gaining serious traction — ternary quantization at 1.58 bits per weight. The concept behind projects like Ternary Bonsai and Microsoft's BitNet...

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6m read

Hacker News: Front Page • 2026-04-18 16:04

Amazon won't release Fire Sticks that support sideloading anymore

Article URL: https://arstechnica.com/gadgets/2026/04/amazon-wont-release-fire-sticks-that-support-sideloading-anymore/ Comments URL: https://news.ycombinator.com/item?id=47816954 Points: 16 # Comments: 8

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1m read

HackerNoon • 2026-04-18 16:03

The HackerNoon Newsletter: The Proof of Usefulness Algorithm: Is It Good? Do People Use It? (4/18/2026)

How are you, hacker? 🪐 What’s happening in tech today, April 18, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Osborne Computer introduced in 1983, and we present you with these top quality stories. ...

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1m read

Why Your Soldering Iron Is the Problem, Not Your Skills

DEV Community • 2026-04-18 16:02

Why Your Soldering Iron Is the Problem, Not Your Skills

Why Your Soldering Iron Is the Problem, Not Your Skills You have watched the tutorials. You have practiced on scrap boards. Your solder joints look reasonable under magnification. But every time you power on your project, something behaves erratically. The microcontroller resets. The sensor readings drift. The LED flickers in a pattern that has nothing to do with your code. You assume ...

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6m read

Day 60: Decoupling State and CloudWatch FinOps

DEV Community • 2026-04-18 16:00

Day 60: Decoupling State and CloudWatch FinOps

Today, on Day 60 of my 100 Days of Cloud challenge, I had to pause building new features to clean up some critical technical debt in my Serverless AI Financial Agent. When you are preparing an application to scale and handle real users, the little things you hardcoded during the sandbox phase will inevitably come back to haunt you. I faced two specific operational leaks today: one affecting my app...

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2m read

HackerNoon • 2026-04-18 15:59

What Ghost Murmur Technology Actually Is (It's Not a Heartbeat Detector)

The CIA claims a classified tool called "Ghost Murmur" — built by Lockheed Martin's Skunk Works — used quantum magnetometry + AI to detect a downed pilot's heartbeat from 40 miles away in Iran. The rescue was real. The physics story? Multiple physicists say it violates the inverse cube law so severely it'd require detecting a signal 2 quintillion times weaker than what current lab sensors can bare...

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1m read

DEV Community • 2026-04-18 15:56

The Attention Economy Inside Your Agent

Every AI agent has a finite attention budget. Not the token context window — that's the container. I'm talking about something more fundamental: the way agents decide what's worth their own processing time. Most people building agents treat attention as unlimited. They design pipelines, chains, and workflows as if the agent will carefully evaluate every option, consider every constraint, and deli...

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3m read

Hacker News: Front Page • 2026-04-18 15:54

Amazon is discontinuing Kindle for PC on June 30th

Article URL: https://goodereader.com/blog/kindle/amazon-is-discontinuing-kindle-for-pc-on-june-30th Comments URL: https://news.ycombinator.com/item?id=47816878 Points: 4 # Comments: 0

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1m read

The 5 Questions to Ask Before Touching Any Component

DEV Community • 2026-04-18 15:54

The 5 Questions to Ask Before Touching Any Component

The 5 Questions to Ask Before Touching Any Component You have an idea. You already ordered the parts. You are watching YouTube tutorials and reading forum posts. You have started writing code before you have finished reading the datasheet. Photo by LED Architectural Machine project via Hackster.io — complex integrated maker project This is the maker reflex. It is also why most projec...

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6m read

Why Your LED Strip Flickers Because of WiFi Interference

DEV Community • 2026-04-18 15:52

Why Your LED Strip Flickers Because of WiFi Interference

Why Your LED Strip Flickers Because of WiFi Interference You have an ESP32 driving a WS2812B LED strip. The LEDs work fine when your phone is across the room. When your phone is near the ESP32, the LEDs flicker. When you upload new code over WiFi, the LEDs go haywire. When the ESP32 connects to your router, the LEDs stutter. This is not a power supply problem. This is not a code proble...

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6m read

DEV Community • 2026-04-18 15:51

Why Your Ultrasonic Sensor Lies to You

Why Your Ultrasonic Sensor Lies to You You mount an HC-SR04 ultrasonic sensor. You write the code. You measure the distance to the object. The object is 50cm away. The sensor reads 48cm. You move it to 100cm. The sensor reads 97cm. Close enough, right? Then you try to use it in your interactive installation. Someone walks in front of it. The sensor reads 30cm. Someone else steps behin...

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5m read

Your LED Art Should Dance to the Music, Not Just Blink Randomly

DEV Community • 2026-04-18 15:45

Your LED Art Should Dance to the Music, Not Just Blink Randomly

Via YouTube — ESP32 project demonstrating audio-reactive LED matrix What FFT Actually Does for Your Installation FFT stands for Fast Fourier Transform. It is a mathematical operation that takes a signal in the time domain (amplitude over time) and converts it into the frequency domain (how much of each frequency is present at that moment). Your microphone captures a waveform. That wav...

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9m read

Part 2: The Data — Building the First Public Coffee Roasting Audio Dataset with Warp/Oz

DEV Community • 2026-04-18 15:45

Part 2: The Data — Building the First Public Coffee Roasting Audio Dataset with Warp/Oz

There is no widely available public audio dataset for coffee roasting first crack detection. I was not able to find one on Hugging Face, Kaggle, or in the literature. Before the model in Post 1 could train a single epoch, I had to build one from scratch: recording sessions, annotating audio in Label Studio, and designing a pipeline that avoids a common failure mode in time-series audio ML where ev...

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15m read

Why Your Interactive Art Installation Feels Dumb

DEV Community • 2026-04-18 15:44

Why Your Interactive Art Installation Feels Dumb

The Detection vs Perception Problem A motion sensor tells you: "someone is there." A perception system tells you: "this person is standing still, looking at the piece, and leaning closer." The first tells you to turn the lights on. The second tells you to deepen the color, slow the animation, and bring the nearest element toward them. Most maker installations use the first type of se...

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5m read

Your ESP32 Project Should Run for Months, Not Days

DEV Community • 2026-04-18 15:42

Your ESP32 Project Should Run for Months, Not Days

The Battery Life Gap ESP32 is not a low-power chip. It is a high-performance WiFi chip that can enter a low-power state. The distinction matters. When the ESP32 is awake, it draws 80-240mA depending on radio activity. In deep sleep, the datasheet promises 10μA. But 10μA is the number for the ESP32 chip alone, with no peripherals, no voltage regulator, no sensors, no USB-to-serial chi...

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5m read

Why Does Your LED Installation Feel Disconnected?

DEV Community • 2026-04-18 15:37

Why Does Your LED Installation Feel Disconnected?

Why Does Your LED Installation Feel Disconnected? You spend three weeks building the installation. Fifty ESP32 boards. Fifty LED strips. Every board programmed, every strip tested. You hit run. The waves move across the first ten boards in perfect sync. Then the delay kicks in. By board thirty, your "wave" has become a "stagger." By board fifty, it looks like chaos. This is not a code...

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5m read

DEV Community • 2026-04-18 15:35

The 5-Stage System for Chasing Late Invoices (Without Burning Bridges)

Late payments are the silent killer of freelance businesses. You did the work. You sent the invoice. And now... crickets. Most freelancers either send one awkward follow-up email or go straight to threats. Both approaches fail. Here's the 5-stage escalation system that actually works: Stage 1: The Friendly Reminder (Day 3 After Due Date) Tone: warm, assumes good intent. Hi [Name], j...

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2m read

How to Build a Professional Quote Request Form With File Upload for Your Small Business

DEV Community • 2026-04-18 15:34

How to Build a Professional Quote Request Form With File Upload for Your Small Business

Your customer wants a quote. They visit your website, fill in your contact form, and hit send. You get an email with their name and a vague description of what they need. But where is the logo file? Where is the artwork? Where is the reference photo of the job they want done? It is not there. So you reply, asking them to send it. They send it in a separate email. Now the details are in one ...

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12m read

DEV Community • 2026-04-18 15:33

ConfDroid Puppet Modules - SSH

Introducing confdroid_ssh: Reliable and Hardened SSH Access for Your Rocky 9 Servers SSH is the primary way we access and manage Linux servers. When SSH stops working, everything else grinds to a halt — troubleshooting becomes painful, and automation pipelines can fail. To solve this, I created confdroid_ssh, a new Puppet 8 module that ensures the SSH daemon (sshd) is always installed,...

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3m read

SAP Hybris Impex When None of Us on the Team Can Read It

DEV Community • 2026-04-18 15:31

SAP Hybris Impex When None of Us on the Team Can Read It

I'm currently embedded as an external on a team that uses the Hybris Management Console — HMC for short — to administer a SAP Commerce environment. Every few days the shared environment gets refreshed from production, which is exactly what you want for most of the data, and exactly what you don't want for half-finished configuration that hasn't made it to prod yet. A content type you registered on...

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10m read