SEO Health Basics for Personal Websites and Portfolios
A personal website does a specific job. When a recruiter, client, conference organiser or potential collaborator searches your name, it should come…
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Excel weekday from a date with TEXT: Mon, Tue, Wed in one formula
Schedules, shift rotas and delivery logs often need the day of the week beside each date. If you fill that column by looking at a calendar and typin…
I'm a B.Tech student in a small Indian city, and I'm going to write honestly for 30 days
Most developer blogs I read sound like their authors have it all figured out. I don't, so I'm not going to write like that. This is Day 1 of a 30-da…
How I finally understood the Single Responsibility Principle
The Intro Welcome to the first stop of a five-part road trip through SOLID . Five letters, five principles, five posts, one tiny project per post th…
Designing a Vehicle-Rental Booking Workflow: Architecture, State Management, and Operational Workflows
Introduction Building a vehicle-rental platform is often perceived as a standard e-commerce challenge—much like selling physical merchandise. Howeve…
I Let AI Code a CV Creator App. It Drained Me.
Yes. You heard that right. This is my shameful confession. I am a student of the University of the Philippines Mindanao, currently in my second year…
Budget Tracking: Your First Month, Set Up From Scratch
Most people do not fail at budgeting because they lack discipline. They fail because they never actually see where their money goes. A budget tracke…
What is Overfitting: How Can an AI Model Score 99% on Training Data and Still Fail in the Real World?
Imagine building an AI model to detect fraudulent transactions. You train it on thousands of historical transactions. The results look incredible. I…
Selecting the Right Full-Stack Architecture: A Decision Matrix
Building a full-stack application? The hardest technical decision is not which framework to use. It is choosing the right architecture. Before writi…
Python Course for Beginners: Seeking Feedback on Structure, Depth, and Suitability
Introduction and Course Overview The Python Essentials: Practical Programming Fundamentals course, designed for absolute beginners, emerges as a res…
Excel Conditional Formatting: Highlight Overdue Dates Automatically
Coloring overdue rows by hand works until you miss one. It also has to be redone every day, because yesterday's "due tomorrow" is today's "due today…
Building Your First PC: A Practical Roadmap
Introduction For a hobby made of parts that mostly fit only one way, building a PC has an outsized reputation for difficulty. The reality is closer…
VoxCommerce: Multi-Modal AI for Resellers
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built I built VoxCommerce, a hands-free, voice-to-lis…
Reviewers are needed
Introducing Sentinel-43: A Cybersecurity Project I'm Building Hey everyone! I'm an independent developer working on a cybersecurity project called S…
The Hint Was Wrong on Purpose: A Bootcamp Lab on Disagree-Before-Retry
The second click is not a strategy. I grade two decisions before I look at a green test: did you reject the bad hint, and did you write why another…
How to Make Your First Open-Source Contribution: TencentDB Agent Memory
Open-source project: TencentDB Agent Memory When preparing to contribute to open source for the first time, many people head straight for the source…
One Glue Job, Zero Orchestrators — My First Spark Declarative Pipeline on AWS Glue
Disclaimer This is an independent, personal write-up — not official AWS content, and not endorsed by or affiliated with AWS. It documents a hobby pr…
Building a Full RAG Pipeline in Spring Boot — From Ingest to Grounded Answer
Previous articles covered the individual pieces of RAG. You now know what embeddings are, how to chunk documents, and how Pinecone stores and search…
Getting a Grip on Linear Algebra for Data Science: It's Not as Scary as It Sounds!
Alright, so you're diving into data science, and everyone keeps talking about linear algebra. Don't sweat it! It's a super fundamental part of this…
Touch Hardware: Turning Pixel Art into a Gateway to Hands-On Tech
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass . What I Built “Touch grass” usually means stepping away fro…
How to Actually Fix Roblox FPS Drops on PC
You're having a great run in Roblox. The frame rate is smooth, everything is clicking, and then it happens: you walk into a crowded hub, turn the ca…
I replaced our warehouse paper inventory with one HTML file
At work, inventory day looks the same every time. We walk around the warehouse with printed sheets and pens: wood panels, aluminium profiles, glass…
System Architecture Fundamentals: A Beginner’s Guide to Building Better Software
When you're learning software development, it's easy to focus entirely on writing code. You learn a programming language, build a frontend, connect…
Troubleshooting Video Calls on a VPN: Separate Device, Network, and Meeting-Platform Factors
Adapted from VPN and Video Calls: Realistic Expectations by Mohammad Hesameddin Montazerilisar, published July 9, 2026 and updated September 27, 202…
Thinking in Yii3: How the Framework Fits Together
If you come from Yii2, the first thing you'll look for in Yii3 is Yii::$app . It isn't there. There's no global application object, no base Controll…
Chunking — Why How You Split Documents Decides Retrieval Quality
The previous article explained how embeddings convert text into vectors so similar meanings land close together in vector space. Before you can embe…
Displaying BodyClass from vPIC Without Inventing Trim Packages
NHTSA vPIC returns a field many UIs want to surface immediately: BodyClass (and related body-style style fields depending on endpoint shape). It is…
I Am 12. I Built an AI Ecosystem on a $150 Phone That Beats Claude Code at Max Effort. (Benchmark Report Inside)
i am 12 years old. i don't have a macbook pro. i don't have a $100/month cloud budget. i code on a $150 poco c55 phone. when you code on a device wi…
Social Media Marketing in 2026: A Practical Playbook for Founders, Marketers, and Product Teams
Social media used to be the marketing team's job, and developers stayed out of it. That split doesn't work anymore. In 2026, a growing share of cust…
When You Need Me 💛 — A Private AI Companion Built for a Friend
What I Built When You Need Me 💛 When You Need Me is a private AI companion built for a real friend. Sometimes someone we care about wants to talk, s…