Python pytest: Write Tests That Actually Help You
Why Testing Matters (and Why pytest) Tests catch bugs before users do. pytest makes writing them fast enough that you'll actually do it. pip install p…
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The Unlikely Journey from Bricks to Bytes
I'm a builder. I taught myself to run servers because freelancers kept burning my money. West London, 2021. I was standing on a site holding a cup of …
Idempotency Keys in Spring Boot: Make POST Safe Against Retries
A user clicks “Pay”, the network drops, the client retries… and your backend creates two payments. This isn’t a “frontend bug”. Retries happen everywh…
CSRF, and the cookie flag
<form action= "https://bank.com/transfer" method= "POST" > <input name= "to" value= "attacker" > <input name= "amount" value= "10000" &…
Quark's Outlines: Python User-defined Functions
Quark’s Outlines: Python User-Defined Functions Overview, Historical Timeline, Problems & Solutions An Overview of Python User-Defined Functions W…
CTF Writeup: Autorev 1 — picoCTF
1. Executive Summary Field Detail Challenge Name Autorev 1 Platform picoCTF Category Reverse Engineering Difficulty Beginner-Intermediate Key Techniqu…
Python Day Two : The Start of Real Coding
Python Day Two : Python Output & Print print() is a Python🐍 command used to show something on the screen. Example: print ( " Pure Pearl Foundation…
Integers and Floating-Point Numbers in C++
File Extensions in C++ Before we start writing code, it is worth mentioning that C++ source files can use different file extensions. Common C++ file e…
SQL Pattern Series #1: The Presence Pattern
Thinking in terms of existence instead of lists SQL Pattern Series #1 of 21 A collection of practical SQL patterns that help developers recognize comm…
You'll not be replaced by AI if ...
There are many reasons why one may not be replaced by AI, not even by a possible future ASI. Here's one reason that may just apply to you! ❤️ You'll n…
You're Using Git Wrong — How Worktrees Will Change Your Workflow Forever
You have a pull request open. Tests are failing. Your PM asks you to fix a production bug — right now. You have two choices: Stash your current work, …
I Built 4 Real Mobile Apps With No Coding Background — Here's the Exact Workflow
I quit learning to code three times. Not because I wasn't motivated. I had app ideas I genuinely wanted to build. I bought courses, watched tutorials,…
I'm 15, Built My First Real Project in 4 Days, and Put It on Gumroad
I'm 15 and Built an AI Energy Dashboard with Next.js 15 + Groq Hey Dev.to! 👋 I'm a 15-year-old student developer from South Korea. I just finished my …
I Passed Every Coding Interview Then Froze on Day One. Here's Why.
My first day at a real software engineering job. I opened the codebase. Twenty thousand lines of code. Files I had never seen before. Services talking…
Learning Progress Pt.22
Daily Learning part twenty-two. I haven't been active in three days due to Eid Al‑Adha. On Tuesday I went to my family house, where we go once in a wh…
💀 Crash #5: The Great OS Migration
💀 Crash #5: The Great OS Migration "New Windows, new me. This time I'll do it right." Famous last words. After the emulator war, I had made a decision…
⚔️ Crash #4: The Emulator War
⚔️ Crash #4: The Emulator War "I just deleted a game emulator. Why is my AI assistant dead?" Months before I fell down the AI rabbit hole, I installed…
Most Flutter Beginners Use TextField Wrong - Here's the Right Way
If you're building Flutter apps, you'll spend a lot of time working with user input. Whether it's a login form, signup page, search bar, or profile sc…
The Ultimate Python Logic Journey: Chocolates -> Divisors -> Primes
Imagine this... You walk into a shop and buy 30 chocolates . 🍫 Your friend looks at the chocolates and asks: “Can we divide these chocolates equally a…
What actually happens when you run `go run main.go`
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
🧠 Understanding Data Types (The Missing Layer)
After working on input and output in Python, I started noticing something small… but important. I could collect data. I could display it. But I didn’t…
A-Z Database Glossary
A comprehensive reference of database terms from A to Z written for beginners and anyone learning how data is stored, managed, and retrieved. Each ter…
Positions Elements in CSS
CSS positioning is used to control the placement of elements on a web page. It allows elements to be positioned relative to the normal document flow, …
What is VPC? Explained for Beginners
AWS VPC (Virtual Private Cloud) Introduction If you are starting your AWS and Cloud journey, one of the most important concepts you will come across i…
Building a random live webcam discovery site
I'm a 32-year-old Brit guy living in Quy Nhon, Vietnam. Travelled 60+ countries, worked as an anti-poaching ranger in Africa and an English teacher in…
From Zero to PCB: A Software Engineer‘s Guide to Designing Your First Circuit Board
No EE degree? No problem. Let’s build hardware the way you build software. You can debug a distributed system. You can optimize a database query. You‘…
Laravel chunk() vs cursor() vs lazy() — Handle Large Data Without Crashing Your Server
If you've ever tried to process thousands of rows in Laravel and got a memory error or server timeout — this article is for you. I learned this the ha…
Discovering Google Lighthouse . A Small Tool That Changed How I See Web Development
Today I discovered something I honestly should have explored a long time ago: Google Lighthouse. Funny enough, revamping my portfolio is one of those …
I built an open-source tool that reverse-engineers any GitHub repo in 10 seconds
You know that feeling when you join a new project or want to contribute to an open-source repo, and you spend the first two days just trying to figure…
Weekly Dev Log 2026-W07
🗓️ This Week Completed two more sections of the SwiftUI tutorial 🦾 As I continue working through the tutorial, I can feel my understanding of SwiftUI …