#programming

Understanding self in Python OOP: A Beginner Friendly Guide

What is self in Python? A Simple Explanation with Real-World Examples for Beginners

I Built a Workaround for a Rule That No Longer Exists

The App Store banned external payment links for a decade. That ban is gone in the US, and a lot of us are still writing code as if it…

We Built a Free Regex Tester to Test, Debug, and Understand Regular Expressions

Test JavaScript regex patterns in real time, inspect capture groups, preview replacements, generate code, and catch dangerous patterns —…

Master SQL Window Functions With Real World Examples

Stop writing SQL that just fetches data, start writing SQL that tells a story

Learning python by doing: My first week of data science.

When you spend your days looking at the microscopic structures of alloys, crystal lattices, and phase diagrams, you start to realize that…

FIRE/J the fast regular expression engine in Java, eighteen years later: the JIT took its cut

In 2007 Diomidis Spinellis and I wrote a paper about a regular expression engine that cheats. Instead of interpreting an automaton, FIRE/J…

Top Pattern Printing Programs Every Programmer Should Practice

Master nested loops, rows, columns, stars, numbers, pyramids, and other common pattern problems with practical examples.

Giving a Terminal Agent a Plugin System

plank is a coding agent that lives in a terminal. Like most programs that grow for a while, it had accumulated extension points the way a…

Programming for Cybersecurity

Im enrolled the LetsDefend Programming for Cybersecurity learning path and i learned many things about the programming about Python, Bash…

I built a paywall that refuses to sell the most valuable feature

Most apps decide what to charge for. I spent longer deciding what I would refuse to charge for, and that turned out to be the harder…

Educative.io 50% OFF — Is It Worth it for FAANG/MAANG Interview Prep in 2026?

Is Educative.io is the best resource FAANG/MAANG Interview Prep?

Abstraction in Java: Hiding Complexity with Abstract Classes and Interfaces

Learn how Java exposes essential behaviour while hiding unnecessary implementation details.

Deploying My AI Money Bot on Tencent EdgeOne Makers (And Everything That Broke Along the Way)

I used to earn money and just never track it. Opening a notes app to log an expense felt like a wall I couldn’t get over, not because it…

How to Prepare for a Coding Assessment in 7 Days: A Practical Plan

Coding assessments are often described as algorithm tests, but many poor results have less to do with one missing algorithm than with…

Future-Proof Your Business: A Practical IT Modernization Strategy for Forward-Thinking Leaders

In today’s fast-changing digital economy, businesses can no longer rely on outdated technology and expect to remain competitive. Customer…

From Legacy to Leading: Actionable IT Modernization Strategies for Today’s Leaders

For many businesses, legacy technology is more than an IT problem. It can affect productivity, customer experience, security, scalability…

Python 3.15 Is Quietly Changing the Language – 10 Features Worth Knowing in 2026

Python 3.15 is not just another yearly update. Several changes affect performance, startup time, typing, debugging,….

WebAssembly Finally Grew Up in 2026 — Just Not Everywhere

### For three straight years, every WebAssembly conference talk ended the same way: impressive benchmarks, a nod to that famous Solomon…

Codemia.io 50% OFF — Is It Worth It for FAANG Interview Prep?

Does the Codemia.io really worth it for FAANG level coding interviews

Two Oldest Ages Problem

ผมอยากเขียน Kolin เลยไปลองเล่นโจทย์ Codewar

Stop Using ChatGPT

Most people treat AI like a glorified typewriter. I treat it like a $150/hour senior data analyst. Here is my exact playbook and the exact…

The Best Cheap Mechanical Keyboard for Gaming, Work, and Programming

If you are reading this because you are looking for the best cheap mechanical keyboard for gaming, work, and programming, the immediate…

The Microservices Migration That Multiplied Our Failure Modes

We broke the monolith into independently deployable services — and accidentally turned local method calls into a network of queues…

IT Modernization Strategy: A Practical Guide for Leaders

An it modernization strategy is a practical plan for upgrading legacy applications, infrastructure, data platforms, and delivery processes…

EF Core ExecuteUpdate vs Loading Entities: What the Benchmark Reveals

The biggest performance difference is not a faster method call. It is whether your update requires loading, tracking, materializing, and…

주말 아침 — 주간 닷넷 #42 (2026.08.23)

Why Senior Engineers Prefer Explicit Code in Performance-Critical Paths

Abstraction reduces cognitive load when it hides irrelevant detail. On a hot path, the detail you hide may be exactly what determines…

Why Database Connection Pool Problems Look Like Slow Queries

The SQL may execute in 12 milliseconds while your API reports 900. The missing time is often not inside the query at all — it is spent…

How Cell Networks Track Your Phone’s Location

Ever wonder how a call reaches your phone no matter where you are? Or how your carrier magically finds you the second you step off a plane?

What Programming Language Did Tony Stark Use to Build Iron Man?

Did Iron Man run on C++, C, Python, or something far more advanced? Let’s trace the clues back to Tony Stark’s engineering roots.

.NET 11 Just Made Me Rethink Everything I Knew About async/await

Runtime Async moves async execution into the runtime and unlocks a new set of optimizations.

Panda Express

MCP Security: A Beginner’s Guide to Authentication and Authorization

In the rapidly evolving world of Artificial Intelligence, the Model Context Protocol (MCP) has emerged as a groundbreaking standard. It…

I rent my code editor for $20 a month. SpaceX just bought the whole thing for $60 billion.

I found out my code editor got sold while I was using it.

The .NET Libraries Worth Knowing in 2026

Mostly the Ones Nobody Talks About

Google Search is Officially Dead (And You Haven’t Even Heard of the Company Replacing It)

How the SEO-industrial complex, AI-generated spam, and corporate greed cannibalized the most important tool on the internet.

Preparing a GitHub Repository for Claude, ChatGPT, or Gemini

A practical way to select the right parts of a codebase and prepare them for AI coding assistants.

Golang to the Rescue: A How-To Guide for Bulletproof Inventory Systems Against Concurrency

Okay, so picture this nightmare scenario, right? You’ve got this super cool e-commerce site, orders are just flying in, and then it…

Rust is Officially Doomed (And C++ Developers Are Laughing)

How borrow checker dogmatism, paralyzing compile times, and governance civil wars turned the C++ Killer into systems programming’s most…

R vs. Python

Which One Should You Use for the Job?

Binary Search — The Algorithm You Underestimate Every Single Day

Four lines of code, and Java shipped them broken in the standard library for eight years. The idea was never the hard part.

Recursion Isn’t the Problem. The Stack Is.

Recursive code can be perfectly correct and still crash. The reason isn’t recursion. It’s where the unfinished work gets stored.

身為 CS 與 AI 專業學生，我用一部 Samsung 舊平板突破硬體極限，實現隨時隨地寫 Code 與訓練模型的自由。

用續約送的廢柴 Tablet 操控 512GB Mac Studio：我如何用「土炮設備」跑 100B AI 大模型？

We Deleted 400KB of JavaScript and Nobody Even Noticed the Deploy

Why 2026’s biggest frontend shift isn’t a new framework — it’s admitting the browser was doing work it never needed to

5 Modern Coding Habits That Instantly Elevate You From Junior to Senior Developer

Let’s be honest: writing code that simply works is the bare minimum.

MCP Deep Dive: Why Developers Are Switching to This Architecture

In the rapidly evolving world of Artificial Intelligence, a new standard is changing how we build applications: Model Context Protocol…

Four Editors, One Microscope, and an Unreliable Power Grid

Choosing a Python environment for bioimage analysis in 2026 — when your laptop has no NVIDIA GPU and your city has scheduled blackouts

I audited 53 flatfish illustrations for which eye faces up

A flatfish has both eyes on one side of its head. It lies on the seabed with that side facing up, and only that side carries colour and…

Inheritance vs. Composition

🦆 The Grand Zoo Taxonomy

Python Inheritance Explained: Stop Rewriting the Same Code

If you understand classes, inheritance is the next concept that will make Python OOP finally click.