Enterprise Blockchain in TypeScript: Real-World Case Studies, Protocol Mappings, MPC, HSM & Post-Quantum Patterns That Actually Run
Most enterprise blockchain projects die in PoC hell. You've seen it: a flashy demo, some Hyperledger slides, a proof-of-concept that "works on my mach
typescript
dev.to
Mar 31, 2026
Your Ruby CSV Import Ran Successfully — Your Data May Still Be Wrong
Are you sure that Ruby CSV imported all your data — and correctly? 🤔
I wasn't looking for bugs. I was improving the performance of smarter_csv, the
ruby
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Mar 31, 2026
Stop Searching, Start Contributing: How GoodFirstGo is Making Open Source Approachable
Remember the first time you tried contributing to open source?
If you were like most developers, the experience involved staring at a massive, comple
go
dev.to
Mar 31, 2026
Your Rails Apps Postgres Is Probably Unhealthy
A few Rails apps I have worked on have unused indexes silently slowing down writes, tables that havent been vacuumed in weeks, and bloat creeping up w
ruby
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Mar 31, 2026
Stop staring at Claude Code's statusline: here's one you can actually customize
Claude Code's default statusline is fine, until you realize you can't change it. You can't reorder widgets, remove ones you don't care about, or add y
rust
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Mar 31, 2026
Building a Full-Stack Java App with Quarkus — No React, No Angular, No Problem
You don't need React. You don't need Angular. You don't need Vue, Svelte, or the JavaScript framework that launched last Tuesday.
I built re:Money —
java
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Mar 31, 2026
Building a Circuit Breaker in Rust: From Zero to Production
Your service calls an external API. It goes down. Your threads pile up waiting for timeouts.
Your whole app dies. The Circuit Breaker pattern exists
rust
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Mar 31, 2026
Inside Claude's Brain: What I Learned from Anaalyzing 75KB of AI Agent Architecture
Building production-grade AI coding agents isn't magic—it's engineering. Here's what the leaked Claude CLI code taught me about tool systems, task man
typescript
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Mar 31, 2026
Command line Expense Tracker
Command-Line Expense Tracker
Using Java with a database-backed architecture
Challenge Outlines
Object-Oriented Progr
java
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Mar 31, 2026
How I Built a Support Ticket MCP Server in Laravel
Model Context Protocol is much easier to understand when it is attached to a real workflow.
In my Laravel project, I wanted a support-focused MCP ser
php
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Mar 31, 2026
I Built an AI Employee That Monitors My SaaS Store 24/7 — Here's the Architecture
What if your SaaS store had a full-time operations worker that never sleeps, catches every failed payment within minutes, and answers "how many custo
php
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Mar 31, 2026
Custom Polygons vs. Uber's H3: Building a High-Performance Geofencing Backend in Go
When building logistics and telemetry platforms, processing thousands of GPS pings per second is just a regular Tuesday. The core challenge isn't just
go
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Mar 31, 2026
🔐 Free MD5 Generator Tool – Generate Hash Instantly (No Signup Required)
As developers, we often need a quick way to generate hashes for testing, verification, or simple data transformations.
I built a free online MD5 Gene
php
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Mar 31, 2026
Using RAII to Add Budget and Action Guardrails to Rust AI Agent
Rust is a strong fit for agent runtimes, but until now it has largely lacked a first-class runtime and budget enforcement layer.
We built cycles to a
rust
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Mar 31, 2026
What Claude Code stores on your machine (and how to see it)
Claude Code keeps a lot of data in ~/.claude/ that most people never look at. I wanted to know what was there, so I built a scanner.
On my machine it
typescript
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Mar 31, 2026
How I Built Secure Firebase Cloud Functions with Admin Permissions and Rate Limiting
If you're building an admin panel that talks to Firebase Cloud Functions, you need two things before anything else — permission checks and rate limiti
typescript
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Mar 31, 2026
Show HN: Isartor – Pure-Rust prompt firewall, deflects 60-95% of LLM traffic
Isartor: pure‑Rust prompt firewall that claims to deflect 60–95% of LLM calls using semantic caching + an embedded SLM. Self‑hosted, air‑gapped. Read
rust
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Mar 31, 2026
3474. Lexicographically Smallest Generated String
3474. Lexicographically Smallest Generated String
Difficulty: Hard
Topics: Principal, String, Greedy, String Matching, Weekly Contest 439
You are g
php
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Mar 31, 2026
I built a free Solana trading API — here's how to use it
I run MadeOnSol, a Solana tool directory. Over the past few months I built infrastructure that tracks 946 KOL (Key Opinion Leader) wallets in real-tim
typescript
dev.to
Mar 31, 2026
AI-Generated Go Serialization: High Performance, Zero Boilerplate
I wanted to share a quick story about a weekend experiment.
There is a library called mok that lacks a code generator, so every time you want to mock
go
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Mar 31, 2026