I got tired of hand-rolling message queues in FreeRTOS. So I built embedmq.
Every FreeRTOS project I've worked on has the same problem. You have a sensor task that reads temperature. You have a UI task that needs to display it…
Programming
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[Перевод] Вы можете победить бинарный поиск
В этой статье речь пойдёт не просто об очередном алгоритме, а о том, как можно обойти классический бинарный поиск. Казалось бы, что может быть эффекти…
RugCheck AI: On-chain Token Safety for Solana AI Trading Agents
If you're building autonomous trading agents on Solana, you've hit this problem: your agent needs to vet a token before it buys — but most agents trad…
Day-04 : Understanding int in C: Binary, Ranges, and What Happens When You Overflow
What I Learned Today (Week-01/Day-04) Fundamental Data Types -> int Decimal and Binary Number System Types of int and their ranges Edge cases in th…
Because in a Life-Threatening Situation, Every Millisecond Counts
Removing expf() from a fire detector: one header, 1.95x faster, zero accuracy loss A smoke detector is not a demo project. When it fires, someone eith…
Clifford’s (aka, Claire’s) Device in C and C++
Introduction If you’ve been programming in C or C++ for a while, you likely have heard of Duff’s Device that takes advantage of C’s often-derided “fea…
teamOS Bare Metal x86 Kernel
I am building an independent hobby kernel from scratch using C and NASM assembly. The project is built to run entirely inside a web browser tab using …
[Перевод] Автоматизация SBOM в большом legacy-проекте: опыт LibreOffice и Collabora Online
Вот уже более 20 лет проходит масштабная конференция разработчиков свободного и открытого ПО – FOSDEM. Для CodeScoring она примечательна тем, что с 20…
A fast, zero-copy Transit-format reader and writer written in C
What is Transit? Transit is a format and a set of libraries for conveying values between applications written in different languages. It is layered on…
Arc v0.0.1-alpha - A Lightweight C-Based Programming Language
We are excited to announce the first alpha release of Arc, a lightweight, C-based programming language and interpreter designed for simplicity, perfor…
Why C is still dominates C++?
Why C Is Still the GOAT (And Why People Like Me End Up Hating C++) Disclaimer: This is a personal opinion from a developer who enjoys simple tools, si…
Как написать свое расширение postgres?
Привет, хабровчане! Сегодня покажу, как писать расширения для PostgreSQL. На примере pg_plan_alternatives, который логирует все пути, рассматриваемые …
What Happens Before Your C Program Reaches the CPU?
Most developers know how to write C code. Far fewer know what actually happens after they press Run . A common mental model looks like this: Write Cod…
Stripping away the layers of abstractions: How does a filesystem work?
Modern operating system filesystems (like ext4 or NTFS) are intimidating to look at. If you dive into their source code, you're immediately drowned in…
Hello, Array: malloc, free and Manual Bookkeeping
Post 1 of the Dynamic Arrays in C series · Full source code The Problem No One Starts With You have five integers. You put them in an array: int numbe…
How I Built My Own Shell From Scratch in C — Ion
I never really knew what a shell actually was until I switched my entire workflow to Linux and started using EndeavourOS as my daily driver. That comp…
From Arduino IDE to AVR GCC | AVR Bare Metal #1
Introduction It has been a while since I started playing around with microcontrollers. My journey began with the Arduino UNO and programming it using …
Ghost in the Stack (Part 1): Why uninitialized variables remember old data
Have you ever written a C program, run it, and watched it print values you never assigned? At first glance, it feels almost as if old data is haunting…
Symbolic Constant Conundrum
Introduction A symbolic constant in any programming language is a name — a symbol — that can be used to stand in for a constant — a literal value. Pro…