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📰 Dev.to · shayan holakouee

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All Articles 190,731 Blog Posts 172,528 Tech Tutorials 51,161 Research Papers 37,035 News 23,239 ⚡ AI Lessons

Building a Custom DSL in Python, From Tokenizer to Interpreter

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 4mo ago

Building a Custom DSL in Python, From Tokenizer to Interpreter

Most backend engineers reach for an existing query language or config format and call it done. That...

Python's AsyncIO Internals, What Actually Happens When You Write await

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 5mo ago

Python's AsyncIO Internals, What Actually Happens When You Write await

You have written async def and await. You know the surface. At some point something deadlocked, or...

Python's Data Model Is an API. Here Is How to Use It Properly

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 5mo ago

Python's Data Model Is an API. Here Is How to Use It Properly

Most Python developers know that __len__ makes len() work and __add__ makes + work. That is the...

Python Metaclasses, What's Actually Happening When You Write class

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 5mo ago

Python Metaclasses, What's Actually Happening When You Write class

Every Python developer knows that everything is an object. What fewer know is that classes are...

The BEAM Is Not Like Other Runtimes (And That's Why Elixir Scales the Way It Does)

Dev.to · shayan holakouee 🏗️ Systems Design & Architecture ⚡ AI Lesson 5mo ago

The BEAM Is Not Like Other Runtimes (And That's Why Elixir Scales the Way It Does)

You have been writing Elixir for a while. You know GenServers. You know supervisors. You have hit the...

Rust's Zero-Cost Abstractions, What Monomorphization Actually Does to Your Code

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 5mo ago

Rust's Zero-Cost Abstractions, What Monomorphization Actually Does to Your Code

"Zero-cost abstractions" is one of Rust's core promises. You can write generic, composable,...

The Go Memory Model, Why Your Concurrent Code Might Be Lying to

Dev.to · shayan holakouee 🔧 Backend Engineering ⚡ AI Lesson 5mo ago

The Go Memory Model, Why Your Concurrent Code Might Be Lying to

You write two goroutines. One sets a variable, the other reads it. You run it a thousand times and it...