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Shipping two freemium products in one day — no accounts, no KYC, all on-chain

Build log, 2026-10-31 · 9xj89gzrtw-hue · MIT · everything below is live and testable right now.Today we shipped two independent freemium products end-to-end in a singleday-cycle: a browser extension and a browser game. Both are static, both areMIT, and both monetize the same honest way: a usable free tier, one-timeUSDC-on-Base payments verified in the buyer's browser against a public RPC,Ed25519 license keys as the offline fallback. No user database ever exists, sonothing can leak and nobody is

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Stop Trusting Every Webhook - Verify Paystack Signatures in Express for Beginners FredAbod FredAbod FredAbod

tanstack-fetch 2.0.0: A Smaller Core, WebSockets, WebTransport, and Type-Safe Streams

From a lightweight HTTP client to a modular transport layer for modern TypeScript applications.Today, I'm releasing tanstack-fetch 2.0.0.This is more than another feature release. Since v1.7.1, tanstack-fetch has evolved beyond traditional HTTP requests. It now supports multiple communication transports, including WebSockets, WebTransport, and NDJSON streams, while keeping its familiar API and TypeScript-first approach.Version 2.0.0 also brings an important architectural change: a significantly

I Built a Tiny Morse Code Library in JavaScript (Text Morse in ~60 Lines)

Morse code is almost 200 years old, and it is still everywhere: ham radio, aviation, emergency signals, even accessibility switches. I recently built a free online translator, and the core of it turned out to be surprisingly small — a lookup table and two functions. Here is the whole thing, open-sourced. The mapInternational Morse (ITU) assigns every letter, digit and common punctuation mark a pattern of dots and dashes:const MORSE_MAP = { A: ".-", B: "-...", C: "-.-.", D: "-..", E: ".", F

npm Downloads for React Native, Expo and Capacitor Grew 11 to 23 Times Since 2023. React Grew 10 Times Too

The first three posts in this series used Hacker News: hiring posts, job seekers and launches. This one leaves HN and counts installs. The npm registry publishes daily download counts for every package, so I pulled 46 months for the main cross-platform mobile toolchains that ship through npm: react-native, expo, @capacitor/core, @nativescript/core and cordova. I added react as a control, because a rise in all of them at once says something about npm and not about mobile.The three big toolchains

Your Upload Preview Shows a Black Box: Handling 3GP, WMV, AVI and MTS Files That the Video Element Can't Play

You build an upload form, add a nice preview with URL.createObjectURL(file) in a <video> tag, and test it with an MP4 from your phone. Works great. Then support tickets arrive: "the preview is black", "it says the file is broken", "the upload button never activates".The file usually isn't broken. It is in a container or codec the browser simply does not decode. Here's how I deal with it. What browsers actually playRoughly, across current Chrome, Firefox and Safari:ContainerTypical cod

Blurry edge or white halo after resizing a cutout PNG? They are two different problems

When I shrink a cutout PNG and blow it back up, two things go wrong at the edge, and it is easy to file them under one name: "resizing makes the edge blurry". After comparing the channels separately, I think they are two effects with two causes. The soft edge comes from interpolation. The bright or dark fringe comes from how the colour channels are averaged when alpha is not taken into account. Only the second one depends on the premultiplied-alpha convention.The test image is a portrait from Wi

Top 3 Sites to Buy old Github Accounts: Aged, PVA & Bulk

Top 3 Sites to Buy old Github Accounts: Aged, PVA & Bulk24 hours response/(Contact US)➤ WhatsApp: +1 (262) 452-2139➤ Telegram: @pvasmmmarket➤ Email: [email protected] Technology has become an essential part of modern education, business, communication, and professional development. Software development, programming, website creation, and digital innovation are now important activities across many industries. As a result, platforms that help people learn, organize, and share software pro

What one portrait and one hair sample can and cannot tell you before you change a thumbnail pipeline

Before touching a thumbnail pipeline that shrinks cut-out PNGs, I wanted to know one thing: does it matter whether RGB is premultiplied by alpha before the resize? This post uses two of my three test cut-outs, the portrait and a white dog, and covers what they settled and what they left open.The cut-outs came from ImgIng https://imging.ai/ in a desktop browser, using its AI cut-out tool and exporting PNG at the input size. The sources are two Wikimedia Commons photos, a portrait (Dmitry Makeev,

Top 10 Places to Buy Google Voice Accounts — Verified & …

Top 10 Places to Buy Google Voice Accounts — Verified & …24 hours response/(Contact US)➤ WhatsApp: +1 (262) 452-2139➤ Telegram: @pvasmmmarket➤ Email: [email protected] Digital communication has become an essential part of everyday life. People use phone numbers, email addresses, messaging applications, and online communication platforms to stay connected with family, friends, customers, colleagues, and professional networks. As technology continues to develop, virtual phone services hav

React List Keys: Keep Edited Text with the Right Record

You type a note in the first row of a list. Then you sort the list. The note stays in the first row, but that row now shows a different record.This can happen when a React list uses its array index as a key. The rows look correct until someone edits a field and changes the order. Why the text ends up in the wrong rowEach editor below stores its text with useState. React uses the key to decide which editor instance belongs to which item.An index key identifies a position: first row, second r

Find out why your Spring Boot + React request is slow, from the click to the SQL

You click Checkout. It takes almost a second. Yesterday it took a quarter of that.The usual next step is to open five tools: the Network tab, the Spring Boot logs, a SQL log, maybe a profiler, maybe Postman. Each one shows you one layer. You become the glue, lining up timestamps and guessing which layer is to blame.This post shows a different way. We'll trace one click from React, through Spring Boot, down to the SQL, and back to the React state update, then read the trace to find the cause. The

JSX in React – What and Why?

JSX stands for JavaScript XML.JSX is a syntax extension used in React that allows us to write HTML-like code inside JavaScript.In simple words, JSX helps us write UI elements using HTML-like syntax inside JavaScript.What is JSX?Without JSX, we create UI elements using JavaScript's React.createElement() method.Without JSX:import React from "react";function App() { return React.createElement( "h1", null, "Hello World" );}export default App;With JSX:function App() { return <h1>Hel

What Abstraction Does React Introduce?

JavaScript could already update the DOM. So why did we need React? In my previous post, we discussed the history of Web UI and how it evolved from HTML to React. But there are many misconceptions about React. One of them is that React removes DOM manipulation. That’s not the proper way to understand it. Instead, React abstracts DOM manipulation. So, what is abstraction? The bigger picture of React's abstraction is where you describe UI declaratively as a function of application state

Tired of uploading 40MB PNGs to your server and then slicing them (React + Canvas)

As a digital comic artists, we all know , we love exporting massive files.I run a small indie comic platform called ZealPlane and we were putting together chapters for our original series KARMA, G.O.D (unpublished) We’d often send over single vertical strips that were 1600px wide and 30,000px tall from Clip Studio Paint. even upto 45MB, just for a sinlge image.You obviously, can't serve a 30,000px tall PNG directly to a mobile browser unless you want your reader's phone to catch fire. Webtoons

Stop Modeling State With Booleans: Make Impossible States Impossible in TypeScript

Here is a type you have probably written:type UserState = { isLoading: boolean; error?: string; data?: User;};It looks reasonable. Then one day your UI shows a spinner on top of an error message, and a user stares at a screen that says both "Loading..." and "Something went wrong".The bug is not in your rendering code. It is in the type, which allows states that should never exist. Count the States You Actually AllowThat type has three fields. How many combinations can it represent?isLoad

Converting Web Applications to Native iOS & Android Apps: Modern WebView Architectures, PWA, and Native Shell Engineering

Converting Web Applications to Native iOS & Android Apps: Modern WebView Architectures, PWA, and Native Shell EngineeringOne of the most frequent dilemmas for modern product teams and startups is choosing between a costly, multi-codebase native mobile development cycle (Swift/Kotlin) and delivering a cross-platform mobile experience from an existing responsive web application.While modern Progressive Web Apps (PWAs) deliver near-native performance, businesses still require App Store an

How to Build a Reusable Modal Component in React with Tailwind CSS

A few months ago, I ran into some frustrating challenges when trying to build a reusable modal component using ReactJS. Of course, there are many good modal libraries out there. But, what if you don't want to overengineer your project and keep the dependencies minimal?If you’ve ever found yourself in the same boat, let me walk you through how I solved it.📦 Source Code: You can find the complete source code for this project in this GitHub Repository. PrerequisitesBefore following this tutori

Taming Post-Purchase Chaos: Building a Shopify Tracking Widget

When I first started helping a friend manage their Shopify store, I thought the hard part was getting the initial sales. I was wrong. The real headache started the moment an order was placed. About a week later, my inbox would flood with the same question: "Where is my order?" (WISMO). At first, I replied to each one personally. But when we hit a minor shipping delay and I received 40 identical tickets in a single afternoon, I realized our post-purchase experience was completely broken. So I dec

Rethinking Post-Purchase Tracking to Eliminate WISMO Support Tickets

When I first started helping a friend manage their Shopify store, I thought the hard part was getting the initial sales. I was wrong. The real nightmare began after the checkout.Within a week of launching, my inbox was flooded with the same question: "Where is my order?"We were dealing with a massive wave of WISMO (Where Is My Order) tickets. The default Shopify order status page was practically a dead end, just showing a basic "fulfilled" status and a raw tracking number. Customers would click