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The most useful number my system produces is one I never set out to build

The most useful number my system produces is one I never set out to build. I wrote a learning platform for my two children. To choose the next question it has to estimate where the child is, per subje

openred.hashnode.dev

Rajendra Sahu1d ago · 4 min read

How I Built an In-Browser Passport Photo Studio with Next.js and MediaPipe

Getting an official passport photo is still an inconvenient process. Most people either drive to a local pharmacy and spend 15 to 25 dollars for two physical prints, or try taking a selfie on their ph

passportphotobox.hashnode.dev

Speakercleaningtool5d ago · 6 min read

How We Built an In-Browser Acoustic Resonance Engine to Clear Wet Phone Speakers

When your phone takes an unexpected dive into a sink or gets caught in a sudden downpour, the liquid that slips into the speaker grille doesn't just evaporate. It sticks. Due to surface tension and ca

speakercleaningtool.hashnode.dev

kamal singhSep 27 · 1 min read

Why I Built The Apex Calc: A Zero-Tracking, Client-Side Financial Suite

Most online financial tools today are bogged down by aggressive display ads, auto-playing video popups, and slow third-party analytics scripts. When running numbers for a home mortgage or a wage adjus

1 theapexcalc.hashnode.dev

AndriiSep 6 · 8 min read

How Big Is a Billion? I Built the Whole Road to Find Out.

I wanted to build a small thing. One page. It answers a question a child could ask: how big is a billion dollars, physically, if you printed it all in $100 bills and put it somewhere. I thought it wou

realworth.hashnode.dev

ɐ ℒℯℯAug 4 · 2 min read

How I Built ToolHub: A 138-Tool Static PWA That Stays Sub-Second

Hi everyone! 👋 I recently published a full architecture retrospective on building ToolHub — a clean, privacy-first, zero-bloat suite of 138+ in-browser web utilities. Here is a summary of the key eng

axtric.hashnode.dev

WuXinJul 30 · 3 min read

Why We Built an Ad-Free, 100% Client-Side Developer Toolkit as CS Students

As computer science students and web developers, our browser bookmarks used to be a chaotic mess of utility websites. Need to format a messy JSON response? Open one site. Need to decode a Base64 strin

sniptoolkit.hashnode.dev

kandarp gautamJul 21 · 2 min read

🐇 RabbitMQTest — A Simple RabbitMQ Demo in C#

The RabbitMQTest repository by Kandarp Gautam is a C# project that demonstrates how to use RabbitMQ for message queuing. It shows the basics of a producer sending messages and a consumer receiving the

kandy.hashnode.dev

Shubhankar BasakJul 9 · 4 min read

The Architecture of My Dreams: A Full-Stack Journey From Northeast India

I sit down to map out this phase of my engineering journey, and a wave of thankfulness and pride starts pouring into me. The small lad who began with an insatiable curiosity in Sribhumi, Assam is no l

shubhankarbasak.hashnode.dev

Charles BlackwoodMay 20 · 2 min read

Tap to Fix: PasteCheck — A Mobile-First Syntax Linter Built on Android

I've spent years building half-finished projects with AI assistance. This time, I decided to actually ship. The Problem: Debugging on the go is a nightmare. I got tired of switching between five apps

pastecheck.hashnode.dev

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The most useful number my system produces is one I never set out to build

How I Built an In-Browser Passport Photo Studio with Next.js and MediaPipe

How We Built an In-Browser Acoustic Resonance Engine to Clear Wet Phone Speakers

Why I Built The Apex Calc: A Zero-Tracking, Client-Side Financial Suite

How Big Is a Billion? I Built the Whole Road to Find Out.

How I Built ToolHub: A 138-Tool Static PWA That Stays Sub-Second

Why We Built an Ad-Free, 100% Client-Side Developer Toolkit as CS Students

🐇 RabbitMQTest — A Simple RabbitMQ Demo in C#

The Architecture of My Dreams: A Full-Stack Journey From Northeast India

Tap to Fix: PasteCheck — A Mobile-First Syntax Linter Built on Android