#low-level-programming

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FU Furkaankaraduman

Understanding Binary Numbers and Two’s Complement

As you probably know, computers can work with just 1s and 0s, nothing more. So, we need to represent everything using 0s and 1s in…

Jul 05, 2026 · 3 min read · 2 claps #computer-science #computer-architecture #low-level-programming

HUM TCH

SA Saeed Khatami

Teaching the Kernel to Count RAM, (MaH)Memory and Heap

Or: How I Learned That malloc Is Not a Birthright

Jun 08, 2026 · 7 min read · 0 claps #operating-systems #system-programming #x86

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SA Saeed Khatami

Giving the Kernel a Mouth, (SaC)Shell and Commands

Or: How I Learned to Stop Rebooting for Every Typo

Jun 06, 2026 · 7 min read · 5 claps #operating-systems #system-programming #x86

TCH ECO

YE Yen Wang · RE: Exploit

Interesting instructions in Rust binary: lock cmpxchg

The story starts when I reverse engineer a “normal” Rust binary (release build, MCVC x64 PE), also inspected a tab “Tags” in Binary Ninja.

May 14, 2026 · 8 min read · 0 claps #rust-disassembly #reverse-engineering-rust #lock-cmpxchg

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YE Yen Wang · RE: Exploit

Assembly Breakdown: x86–64 structure alignment examples

x64 Structure Alignment in MSVC: What the Compiler Does to Your Structs

May 07, 2026 · 4 min read · 0 claps #assembly-language #x86-64 #msvc

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YA Yair Lenga · Stackademic

Stop Waiting for defer: A Practical Cleanup Layer for C

Small set of cleanup helpers that cover memory, files, .. , and custom objects. Provide defer-like function on legacy code.

May 07, 2026 · 10 min read · 4 claps #c-language #reliability #gcc

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ME Meerthika SR

Copy Fail Breakdown: A 4-Byte Page Cache Write via AEAD Misuse

Modern kernels rely heavily on assumptions — some documented, many implicit. When those assumptions break, even a tiny write can become a…

May 05, 2026 · 3 min read · 4 claps #linux #copyfail #distro

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SO Sohamchandane

De-referencing the power of 2 ASCII characters: Understanding the power of pointers in C - Part 1…

Discover how your compiler blueprints the Stack and how the CPU building variables in RAM using the notorious duo

Apr 30, 2026 · 6 min read · 60 claps #c-programming #memory-management #low-level-programming

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GE Gero Zayas

Aprende a usar Google Gemini REST API desde Odin a través de `curl` (Nivel Principiante)

Objetivos del artículo

Apr 26, 2026 · 9 min read · 0 claps #odin #low-level-programming #odin-lang

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YE Yen Wang · RE: Exploit

x86–64 Assembly Breakdown: rep stos in 2 examples

The content is the note based on the practices from an amazing online course OST2:Architecture 1001: x86–64 Assembly .

Apr 20, 2026 · 6 min read · 0 claps #assembly #x86-64 #x64-assembly

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JO Josemejia

What I learned Building a Gameboy emulator.

Over the past year, I’ve been building a Game Boy emulator in C. While the nostalgia of playing Zelda and Mario was certainly a driving…

Apr 17, 2026 · 3 min read · 15 claps #game-emulators #gameboy #programming

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YE Yen Wang · RE: Exploit

Reverse Engineering: mul, imul, div and idiv

The content is the note based on the practices from an amazing online course OST2:Architecture 1001: x86–64 Assembly .

Apr 17, 2026 · 17 min read · 0 claps #reverse-engineering #x86-64 #assembly-language

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YA Yair Lenga · Stackademic

Optimizing Chained strcmp Calls for Speed and Clarity — Without Refactoring

From memcmp and bloom filters to 4CC encoding for small fixed-length string comparisons

Apr 13, 2026 · 10 min read · 0 claps #c-programming #performance #low-level-programming

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K K.

Building an OS from Scratch — Day4: Implementing a Custom Bootloader

In the previous article, I have covered Real mode and Protected if you don’t understand these operation modes please read that article…

Apr 02, 2026 · 13 min read · 0 claps #operating-systems #low-level-programming #bootloader

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K K.

Building an OS from Scratch — Day3: Real Mode, Protected Mode, SMM, Memory Models.

Understanding the memory models and addressing modes is imporant because bootloader performs some transitions so without understanding the…

Mar 29, 2026 · 13 min read · 44 claps #operating-systems #low-level-programming #system-programming

MDA TCH

K K.

Building an OS from Scratch — Day2: Understanding the Boot Process

In this article we will understand the booting process of a system. When you press the power button the electricity starts flowing. It goes…

Mar 28, 2026 · 6 min read · 39 claps #operating-systems #low-level-programming #system-programming

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K K.

Building an OS from Scratch — Day1: Installing Tools Just To See A Black Screen

Every big project has a moment zero. The moment you are just staring at a terminal wondering if you even have the right tools installed…

Mar 27, 2026 · 3 min read · 22 claps #operating-systems #low-level-programming #system-programming

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K K.

Building an OS from Scratch: The Series That Started With “How Hard Can It Be?” :P

This is the story of how I built an OS from a blank screen just to find out what an operating system actually is and how things work under…

Mar 26, 2026 · 1 min read · 50 claps #operating-systems #system-programming #low-level-programming

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K K.

How does your computer gets an IP on the network?

All systems are connected to the internet via cables. Your devices connect to a router, and those routers connect to other routers through…

Mar 20, 2026 · 6 min read · 42 claps #networking #hacking #low-level-programming

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YE Yen Wang · RE: Exploit

Basic Reverse Engineering Vol. 7: LEA, IAT in Two Examples

This is a learning note based on amazing online course of OST2: Arch1001 Architecture 1001: x86–64 Assembly.

Mar 19, 2026 · 11 min read · 0 claps #assembly #x86-64 #computer-architecture

ART TCH

YE Yen Wang · RE: Exploit

Basic Reverse Engineering Vol. 6: The Windows x64 Stack Frame, SysV, and Rust

Table of Contents

Mar 18, 2026 · 13 min read · 0 claps #assembly #x86-64 #computer-architecture

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DI Dilibe

Using Verb Prefixes to Improve Git History

Introduction

Feb 28, 2026 · 3 min read · 0 claps #pewdiepie #github #git-commit

MDA TCH

YE Yen Wang · Rust Rock

Data Representation in C and How it works for C++ and Rust: Signedness, Sizes, and Terminology

Proficiency in reading assembly and low-level data manipulation requires a solid grasp of how computers represent integers, interpret…

Feb 20, 2026 · 10 min read · 0 claps #reverse-engineering #reverse-engineer-rust #rustlang

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AN Ansak Mahir

Finding out endianness using a C program

The way computers store multiple-byte data in memory differs into two types. Each of them follows a different approach to how data is laid…

Feb 08, 2026 · 2 min read · 4 claps #c-programming #low-level-programming #memory-management

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UM Umutcan Elçi

The Logic Behind C Header Files

If you are coming from modern languages like Java or C#, the separation of .h (header) and .c (source) files in C might seem confusing.

Jan 07, 2026 · 2 min read · 0 claps #c-language #header-file #programming

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HO Houssam BACAR

How can I change the size of an enum in C by casting it to 64 bits?

This is not really a detailed article, but rather aims to show how to convert elements of an Enum type from “32-bit int” to “64-bit int” so…

Dec 27, 2025 · 3 min read · 4 claps #c-language #enum #cast

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TU Tuana Nohut

Lunora’da Texture Renderlama

Grafik motorları texture'ları nasıl renderlar?

Dec 19, 2025 · 3 min read · 0 claps #graphics-programming #rendering-engine #programming

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YO Youssef Lamine

Introduction to Parallel Programming: A Comprehensive Summary

This article provides a structured summary of the core concepts of parallel programming, covering shared-memory (Pthreads, OpenMP)…

Dec 14, 2025 · 5 min read · 50 claps #low-level-programming #parallel-computing #parallel-hardware

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MI Milan Achintha

Programming Methods of STM32 — A Simple Beginner’s Guide

STM32 microcontrollers are widely used in embedded systems, IoT devices, robotics, motor control, industrial machines, and many consumer…

Dec 10, 2025 · 2 min read · 0 claps #stm32 #stm32cubeide #arduino

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TR Trevor Woollacott

The Secret Life of DOS: How Clever Programmers Faked Multitasking with TSRs

I always enjoyed writing and using TSR programs in DOS. Have you ever wondered how your 1980/90s computer could run a calculator, spell…

Sep 28, 2025 · 9 min read · 1 claps #ms-dos #low-level-programming #retro

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TR Trevor Woollacott

SSE4.2 CRC32C vs IEEE CRC32

I’ve had to checksum a lot of bytes, files, packets, ring-buffer chunks, and kept bouncing between a boring, table-driven CRC and the shiny…

Aug 27, 2025 · 4 min read · 0 claps #sse #low-level-programming #crc32

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GO Gowtham MA

Understanding Bitwise Operations in C

Let’s start our low level journey by understanding bitwise operations in c.

Jul 28, 2025 · 7 min read · 5 claps #c-programming #bitwise-operations #embedded-systems

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PR Priyanshu Gaurav

Build Your Own printf() in C Using putchar() — Step-by-Step Guide

Ever wondered how printf() works under the hood? Let's create a mini version of it from scratch — just raw C, putchar().

May 11, 2025 · 2 min read · 8 claps #c-programming #printf #beginner-c-projects

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SI Siva

Creating and Invoking a Simple WebAssembly Module with TinyGo and Wasmtime

WebAssembly (Wasm) is a binary instruction format for a stack-based virtual machine. It is designed to be a portable target for the…

Oct 20, 2024 · 4 min read · 0 claps paywalled #webassembly #interoperability #low-level-programming

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RI Riley Mabb [ColleagueRiley]

RGFW Under the Hood: Software Rendering

A tutorial that explains how to setup and handle software rendering for X11, WinAPI and Cocoa.

Aug 19, 2024 · 6 min read · 0 claps #graphics #low-level-programming #rendering-software

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HA Hamzeen Hameem

a beginner’s guide to java native interface (JNI)

There are situations we need to directly invoke functions from other programming languages (such as C, C++ & Fortran) in Java. This post…

Dec 28, 2023 · 3 min read · 4 claps #java #cpp #low-level-programming