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Combined display of all available logs of JOHNWICK. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 09:34, 18 November 2025 PC talk contribs created page File:Learning about.jpg
• 09:34, 18 November 2025 PC talk contribs uploaded File:Learning about.jpg
• 09:29, 18 November 2025 PC talk contribs created page Macros 2.0: The Rust Feature That Will Make Your Editor Feel Like Magic (Created page with "500px Why I think Macros 2.0 will be one of Rust’s biggest quality-of-life wins — on par with things like pattern types or variadic generics. TL;DR New macro system: define declarative macros with the macro keyword instead of macro_rules!. Real scoping: paths inside the macro body resolve where the macro is defined, not where it’s invoked. Way better IDE UX: hover, go-to-definition, comple...")
• 09:25, 18 November 2025 PC talk contribs created page The Hidden Magic Behind Box T — How Rust Manages the Heap Without You Noticing (Created page with "500px When I first touched Box<T>, I thought it was just a pointer.
Something that quietly put data on the heap and cleaned it later.
I could not have been more wrong. Box<T> is not a convenience. It is a contract.
It turns heap allocation — one of the most unpredictable parts of system design —
into something you can trust every single time. And once you see what actually happens inside that one call to Box::new(),
you...")
• 09:19, 18 November 2025 PC talk contribs created page File:The Hidden Magic.jpg
• 09:19, 18 November 2025 PC talk contribs uploaded File:The Hidden Magic.jpg
• 09:17, 18 November 2025 PC talk contribs created page The Most Elegant Code I’ve Ever Written was in Rust (and the Most Painful to Debug) (Created page with "500px I wrote 40 lines that felt like poetry. Under load, the poetry became silence. This is a bug hunt diary: timestamps, exhibits, and the small rewrites that made elegance debuggable. Cast * Service: ingest → enrich → cache → publish * Stack: Rust + Tokio, Postgres, Kafka * Metric that mattered: p99 < 250 ms, no stalls 00:00 — Why the code felt… perfect I replaced a chunky pipeline with one composable stream:...")
• 09:14, 18 November 2025 PC talk contribs created page File:The Most Elegant Code.jpg
• 09:14, 18 November 2025 PC talk contribs uploaded File:The Most Elegant Code.jpg
• 09:13, 18 November 2025 PC talk contribs created page Singletons in Rust? Yes, and Here’s the Dangerous Way People Do It (Created page with "500px If you’ve spent time in Java or C#, you’ve probably seen the Singleton pattern — a way to guarantee that only one instance of a type exists in your program. It’s a design pattern that people either love (“simple global access”) or hate (“global mutable state is evil”). When I first moved to Rust, I assumed singletons weren’t even possible. After all, Rust hates global mutable state. And yet… developers still...")
• 09:10, 18 November 2025 PC talk contribs created page File:Singletons in Rust.jpg
• 09:10, 18 November 2025 PC talk contribs uploaded File:Singletons in Rust.jpg
• 09:08, 18 November 2025 PC talk contribs created page Unsafe Rust Isn’t the Dark Side. It’s the Only Reason Rust Works. (Created page with "Hook Everyone loves to chant the gospel of Rust: memory safety, fearless concurrency, no segfaults, borrow checker as your guardian angel. But here’s the truth no Rust evangelist wants on a T-shirt: Rust is only safe because of the unsafe parts. Yes. That keyword you were told to avoid like it’s black magic? That’s the engine oil. Without it, the whole machine seizes up. 500px The Lie We Sell Newcomers When you first touch Rust, you get...")
• 09:06, 18 November 2025 PC talk contribs created page File:Unsafe Rust.jpg
• 09:06, 18 November 2025 PC talk contribs uploaded File:Unsafe Rust.jpg
• 09:03, 18 November 2025 PC talk contribs created page One Million Connections, 2GB RAM: Rust’s New Async Runtime Just Rewrote My Scaling Playbook (Created page with "The benchmark was not theoretical. It was a pressure test against a real workload.
The surprising part was not the number. The surprising part was how little memory it required to hold that state. This is the story of the tradeoffs, the tiny engineering changes that mattered, and the exact pattern that any backend engineer can reproduce on commodity hardware. 500px Why the question matters Most scaling stories are about adding mo...")
• 08:59, 18 November 2025 PC talk contribs created page File:One Million Connections.jpg
• 08:59, 18 November 2025 PC talk contribs uploaded File:One Million Connections.jpg
• 08:47, 18 November 2025 PC talk contribs created page File:Rust Made My Backend Boring.jpg
• 08:47, 18 November 2025 PC talk contribs uploaded File:Rust Made My Backend Boring.jpg
• 08:47, 18 November 2025 PC talk contribs created page Rust Made My Backend Boring — and Now It Handles 10 Million Requests Without Breaking a Sweat (Created page with "The first release was chaos. Pages crashed, graphs spiked, and the pager screamed like a fire alarm.
The rewrite was calm. No alerts, no drama, no 3 A.M. messages.
Now the system quietly serves ten million requests every single day — and I barely think about it. That is not bragging. It is a confession.
A confession that for years, I believed complexity was proof of skill.
Then Rust taught me that boring is beautiful. file:Rust_Made_My_Backend_Boring.jp...")
• 08:42, 18 November 2025 PC talk contribs created page Rethinking Concurrency: The Actor Model and Ractor in Rust (Created page with "500px The moment you start building systems that handle thousands of concurrent operations, you realize that traditional threading models start to crack under pressure. Shared memory concurrency forces you into a world of mutexes, race conditions, and the constant fear that somewhere, somehow, two threads are fighting over the same piece of data. The cognitive overhead becomes overwhelming. You spend more time reasoning about locks th...")
• 08:41, 18 November 2025 PC talk contribs created page File:Actor state.jpg
• 08:41, 18 November 2025 PC talk contribs uploaded File:Actor state.jpg
• 08:40, 18 November 2025 PC talk contribs created page File:Sender mailbox.jpg
• 08:40, 18 November 2025 PC talk contribs uploaded File:Sender mailbox.jpg
• 08:38, 18 November 2025 PC talk contribs created page File:Client threads.jpg
• 08:38, 18 November 2025 PC talk contribs uploaded File:Client threads.jpg
• 08:35, 18 November 2025 PC talk contribs created page File:Rethinking Concurrency.jpg
• 08:35, 18 November 2025 PC talk contribs uploaded File:Rethinking Concurrency.jpg
• 08:32, 18 November 2025 PC talk contribs created page Top 50 Rust Interview Questions and Answers (2025 Edition) (Created page with "After reviewing hundreds of Rust interviews across startups and big tech, I’ve noticed a pattern: most interview guides focus on theory, but real interviews test your ability to think in Rust. This guide bridges that gap. 500px Whether you’re interviewing at a systems programming shop, a blockchain startup, or a web services company, these 50 questions cover what you’ll actually encounter. I’ve included not just answers, but...")
• 08:15, 18 November 2025 PC talk contribs created page File:Top 50 Rust Interview.jpg
• 08:15, 18 November 2025 PC talk contribs uploaded File:Top 50 Rust Interview.jpg
• 08:13, 18 November 2025 PC talk contribs created page Rust 1.90: The Speed Update — LLD Linker Makes Everything 7x Faster (Created page with "500px What if your Rust projects suddenly compiled 40% faster… without changing a single line of code? Released on September 18, 2025, Rust 1.90 brings one of the most impactful performance improvements in recent Rust history. By switching to the LLD linker as the default on Linux, this release dramatically cuts build times — especially for large projects and incremental rebuilds. Add workspace publishing support to Cargo, and you’ve got a r...")
• 08:03, 18 November 2025 PC talk contribs created page File:Let’s look at concrete numbers.jpg
• 08:03, 18 November 2025 PC talk contribs uploaded File:Let’s look at concrete numbers.jpg
• 08:02, 18 November 2025 PC talk contribs created page File:Rust 1.90.jpg
• 08:02, 18 November 2025 PC talk contribs uploaded File:Rust 1.90.jpg
• 07:59, 18 November 2025 PC talk contribs created page Rust Promised Fearless Concurrency. Erlang Shipped It in 1986. (Created page with "The Rust community celebrates fearless concurrency as a revolutionary achievement. Zero-cost abstractions, ownership semantics, and compile-time guarantees that prevent data races. It’s impressive engineering. But Erlang solved the same problems 39 years ago with a different approach that’s arguably more practical for distributed systems. 500px After spending years writing Rust for systems programming and recently diving deep into Erlang...")
• 07:55, 18 November 2025 PC talk contribs created page File:Rust Promised .jpg
• 07:55, 18 November 2025 PC talk contribs uploaded File:Rust Promised .jpg
• 07:53, 18 November 2025 PC talk contribs created page The Future of Systems Programming: Rust, Go, Zig, and Carbon Compared (Created page with "500px The systems programming landscape is undergoing its most dramatic shift since the transition from assembly to C. Four languages are vying to define the next two decades of infrastructure software: Rust with its memory safety revolution, Go with its simplicity-first philosophy, Zig with its zero-overhead obsession, and Carbon with its ambitious C++ migration story. After spending eight months benchmarking these languages across 23 rea...")
• 07:48, 18 November 2025 PC talk contribs created page File:The Future of Systems.jpg
• 07:48, 18 November 2025 PC talk contribs uploaded File:The Future of Systems.jpg
• 07:47, 18 November 2025 PC talk contribs created page Teaching Claude to Write Better Rust: Automating Microsoft’s Guidelines with Skills (Created page with "500px When Microsoft released their Pragmatic Rust Guidelines in September 2025, they did something clever. Beyond the typical human-readable documentation, they created a condensed, AI-optimized version specifically designed for coding assistants like Claude and GitHub Copilot. The timing couldn’t have been better, because just weeks later, Anthropic launched Claude Skills, a powerful new feature that lets you package expertise into reu...")
• 07:45, 18 November 2025 PC talk contribs created page File:Teaching Claude.jpg
• 07:45, 18 November 2025 PC talk contribs uploaded File:Teaching Claude.jpg
• 07:43, 18 November 2025 PC talk contribs created page 10 Rust Design Patterns Every Developer Should Master in 2025 (Created page with "Rust forces you to think differently. The patterns that work in Java or Python often don’t translate. Here are the patterns that actually matter when writing Rust code. 500px 1. Newtype Pattern Wrap primitives to add type safety. Prevents mixing up values that happen to have the same type. <pre> struct UserId(i32); struct ProductId(i32); fn get_user(id: UserId) -> User { // can't accidentally pass ProductId here } let user_...")
• 07:38, 18 November 2025 PC talk contribs created page File:10 Rust Design Pattern.jpg
• 07:38, 18 November 2025 PC talk contribs uploaded File:10 Rust Design Pattern.jpg