Introduction to x86_64 Assembly
Before diving further into the study of crackmes, it seemed appropriate to write a short introduction to x86_64 assembly language. It is a complex a…
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How Does Ground Moving Target Indication Work? A Developer’s Guide to GMTI Processing
How Does Ground Moving Target Indication Work? Ground Moving Target Indication, or GMTI, is a radar processing capability used to detect moving obje…
Review: "Software Aging" by David Parnas
The paper under review is “Software Aging” by David Parnas. This 1994 paper provides a humorous look into the concept of software aging at a time wh…
Building an HTTP Server From Scratch using TCP.
HTTP is something I interact with every single day, whether I am fetching data on the frontend or building backend APIs. But for a long time, if you…
LeetCode 3116 (Hard) — binary search + inclusion-exclusion makes it easy
Full walkthrough: https://www.youtube.com/watch?v=vFuFA3ByCs0 LeetCode 3116 — Kth Smallest Amount With Single Denomination Combination. Here’s the t…
Part 1 — What Actually Happens When Code Runs
When we write: const result = add ( 10 , 20 ); it feels like the computer simply "runs the code." But the CPU doesn't understand JavaScript. There a…
Computer Fundamentals: No BS
I've been working with software for a few years now, and I've noticed something uncomfortable. I can build things. I can work with React, Node.js, d…
Quantum Computing: A Complete Learning Path
QUANTUM SERIES 2026 — The complete learning path, from a single qubit to Grover's algorithm. This is the index to the Techucation Quantum Series: a…
Overview of the RTOS Kernel Project
In previous tutorial, I've gave you the theoretical background about ARM Cortex-M3/4 processors. In here, I will explain the RTOS kernel project str…
How PDF & Document Parsers Actually Work Under the Hood
To the average user, opening a PDF feels no different than viewing a webpage or reading a Word document. You see headers, paragraphs, multi-column a…
Graph Theory in C#
Using graph search to solve real-world problems in C# Most day-to-day C# work involves flat collections: filter a list, sort a table, look something…
An O(1) Space Alternative to "Rearrange Array Alternately" Using Sequential Suffix Reversal
If you've spent time on LeetCode or GeeksforGeeks, you've probably run into the classic "Rearrange Array Alternately" problem. The premise: given a…
What Building a C++ Benchmarking Suite Taught Me About "Simple" Data Structures
We all know the Big-O complexity of basic data structures. Arrays are O(n) for search. Hash maps are O(1). Linked lists are... well, complicated. Bu…
The Regex That Took Down Cloudflare for 27 Minutes
On July 2, 2019, Cloudflare's entire network hit close to 100% CPU across every edge server handling HTTP and HTTPS traffic. Sites went down globall…
Benchmarks for Scientific Reasoning: What a Score Establishes
Graduate-level science question sets are among the more carefully constructed benchmarks in the field, and the care went into a place that rarely ge…
Arrays vs Linked Lists: Why the Textbook Winner Loses on Real Hardware
📺 Prefer to watch? 90-second YouTube Short · 💬 Telegram Originally published on software-engineer-blog.com . Every data-structures course teaches th…
# What Actually Happens When You Type a URL Into Your Browser?
You type: {% embed https://yatharthkelkar.infinityfree.io %} Press Enter. A moment later, a webpage appears. It feels almost instantaneous. But your…
Custom Promise in JS
Implementing a Custom Promise from Scratch in JavaScript Promises are one of the most important features of modern JavaScript. We normally use the b…
What Happens During a TLS Handshake?
Two machines that have never spoken before need to agree on a secret. They're communicating over a network where anyone can read every packet. And t…
Why Does Unix Time Start on January 1, 1970?
Unix time starts on 1 January 1970 because that date was chosen as the "Unix epoch" — the zero point from which seconds are counted — by the enginee…
What Really Happens When You Run a Java Program? A Deep Dive from .java to JVM Execution ❓️❓️
What Really Happens When You Run a Java Program? A Deep Dive from ".java" to JVM Execution When we write a Java program, it looks deceptively simple…
I Gave Five AI Systems the Same Architecture Test 10 Times. The Test Became More Interesting Than the Models
It started with DeepSeek. In conversations about AI architecture, it kept returning to the same ideas: persistent memory, state across interactions,…
I Built an Agentic AI Stock Research Terminal with LangChain
What if you could type a stock ticker and get more than just its current price? I wanted to build something that could combine real financial data,…
Bitcoin’s Quantum Problem Is a Governance Problem
Originally published by InvisibleHill Research . This cross-post preserves the original research cut-off and source list. Quantum computing will not…
The Long History of Machine Translation
Machine translation is the oldest continuously funded application of computing to language, the first field to be shut down by an evaluation report,…
Data Analysis With LLMs: Where It Breaks
Ask a model to analyse a dataset and it writes code, the code runs, real numbers come out, and a paragraph explains what they mean. Three independen…
Deep Blue and What Beating Kasparov Proved
On 11 May 1997 Deep Blue beat Garry Kasparov 3½–2½ in a six-game match in New York. The machine had no learning component, no general reasoning and…
AI in Mathematics: Why Formal Verification Is the Interesting Part
Nearly every discipline in this cluster has an expensive verification step, and that is what limits how much a model can help. Mathematics is the ex…
What Linux actually does when you read a file
I asked Linux for one 4 KiB page from the start of a cold file. Four pages came back. I moved the same read one page further in, ran it again, and g…
The Architecture of Bare-Metal: How Udayaan Tech Built India’s First Custom OS Compiler
When the industry talks about a "Custom OS," the conversation usually degrades into amateur territory: lightweight Linux forks, registry tweakers, o…