Programming Tutorials
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LeetCode 819: Most Common Word — Simple Explanation with Carry Logic (Java)
Difficulty: Easy Topics: Array, Math, Hash Table, String, Counting Platform: Leetcode Problem Statement Given a string paragraph and a s
Leveling up: Adding SQLite Persistence to my Rust Guessing Game
Introduction I recently started my journey with Rust by following the famous "The Book" (The Rust Programming Language). After completing t
Build an Intent-Based LinkedIn Outreach System in an Afternoon
I got tired of cold-outreach tools that scrape lists and spray sequences. The reply rates are awful (~0.3% on cold), the recipients hate it, and as a
🤨 Go Quiz — Slices, Pointers, Structs & Decimal
A collection of Go quizzes to test your understanding of slices, pointers, structs, and decimals. Try to answer before revealing each answer!
Best PHP CMS Platforms for Developers in 2026
PHP CMS platforms don’t get simpler with age, they get more numerous. In 2026, the best PHP CMS platforms range from WordPress to purpose-built option
Python vs Go vs Rust for AI Agents in 2026: A Pragmatic Field Guide
The AI agent ecosystem has a language problem that nobody talks about directly: the tutorials and frameworks are all Python, but production agent syst
Retrospective: 1 Year as a Rust 1.86 Developer at Discord – Salary and Growth
Retrospective: 1 Year as a Rust 1.86 Developer at Discord – Salary and Growth One year ago, I joined Discord’s backend infrastructure team
Method Overriding in Java
Overriding in Java - GeeksforGeeks
Deep Dive: How TypeScript 5.6's New Chrome Extension Types Improve Safety by 40%
Chrome extension developers lose 12 hours per month to runtime errors from untyped browser APIs. TypeScript 5.6’s new first-party Chrome extension typ
Stop Killing Your GC: Moving 10M Token Contexts Off-Heap with Project Panama
Stop Killing Your GC: Moving 10M Token Contexts Off-Heap with Project Panama In 2026, if you are still storing 10-million-token conversatio
I built a free LocalStack alternative in Go — v0.6.0 is out with 37 AWS services
So I've been working on this project called CloudDev for a while now. It's basically a local AWS emulator — think LocalStack but free, open source, an
Boost WordPress Speed Instantly by Upgrading Your PHP Version
When it comes to improving website performance, most developers immediately think about caching plugins, CDN, or theme optimization. But the real foun
The 4 Composer Conflicts That Block Most Laravel 13 Upgrades (And How to Find Yours)
Originally published at hafiz.dev Most Laravel apps don't fail upgrades because of breaking changes. They fail because composer update throws a
Method Overriding in Java
Method Overriding in Java Overriding is a feature that allows a subclass or child class to provide a specific implementation of a method that is alr
Alfresco REST API Tutorial + Production-Ready REST APIs with Spring Boot
Building APIs is one thing — making them production-ready is another. I’ve published 2 practical guides covering: ✔ Alfresco Content Services REST A
How to Get a Job at Google with Rust 1.85 and LangChain 0.3 on Your Resume
How to Get a Job at Google with Rust 1.85 and LangChain 0.3 on Your Resume Landing a role at Google is a top goal for many software enginee
Stop Using Python for Your Gen AI Apps, Use Go and Genkit Instead
Introduction For the last few years, every Gen AI tutorial, framework, and "hello world" has assumed one thing: that you are writing Python
Why I stopped writing Serverspec specs by hand
Every Serverspec suite I inherit looks like a different language I've been using Serverspec for years and I still reach for it when I want
PDF Redaction in Rust — Why "Delete the Text" Isn't Enough
All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. Real PDF redaction is hard