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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).

• 05:05, 22 November 2025 PC talk contribs created page I Don’t Need Rust’s Speed — So Why Does Its Type System Keep Winning My Web APIs? (Created page with "500px The failure wasn’t noisy.
A transfer path slipped past a validator and moved money when it shouldn’t.
The rule existed in comments.
It didn’t exist in the shape of the code.
We reshaped the code around types.
The same change refused to build.
That was the day I stopped talking about speed. The short answer Rust keeps winning because business rules can become types.
When a rule is a type, illegal st...")
• 05:03, 22 November 2025 PC talk contribs created page File:I Don’t Need Rust’s Speed.jpg
• 05:03, 22 November 2025 PC talk contribs uploaded File:I Don’t Need Rust’s Speed.jpg
• 05:02, 22 November 2025 PC talk contribs created page Inlining Gone Wrong: How Rust’s Optimizer Sometimes Betrays You (Created page with "500px There’s a special kind of heartbreak every systems developer knows:
You open your profiler expecting to see your carefully tuned function blazing fast…
…and instead, it’s taking more time than before you optimized it. You didn’t change the algorithm. You just added #[inline(always)]. Welcome to the dark side of Rust’s inlining optimizer — where performance can sometimes regress the moment you try to help i...")
• 04:59, 22 November 2025 PC talk contribs created page File:Inlining Gone Wrong.jpg
• 04:59, 22 November 2025 PC talk contribs uploaded File:Inlining Gone Wrong.jpg
• 04:58, 22 November 2025 PC talk contribs created page Rust Is the New Assembly — And That’s a Compliment (Created page with "file:Rust_Is_the_New_Assembly.jpg Introduction: Rust Isn’t High-Level — It’s Closer to the Metal With a Seatbelt When people say “Rust feels like modern C++”, they’re only half right. Rust isn’t trying to replace your scripting languages or your backend frameworks — it’s quietly taking the role Assembly once had: the language you use when performance, control, and correctness matter more than convenience. In this article, we’ll dive into why...")
• 04:56, 22 November 2025 PC talk contribs created page File:Rust Is the New Assembly.jpg
• 04:56, 22 November 2025 PC talk contribs uploaded File:Rust Is the New Assembly.jpg
• 04:55, 22 November 2025 PC talk contribs created page Rust’s RefCell and Interior Mutability: The Feature That Broke My Brain (Then Fixed My Design) (Created page with "500px I’ll be honest:
The first time I saw a RefCell in Rust, I closed the tab. It felt like a betrayal. 
Rust was supposed to be safe, predictable, immutable by default. And now this thing — this box of interior mutability — was promising to mutate data behind an immutable reference. My brain screamed: “Isn’t that literally what Rust was built to prevent?” But then… it clicked. 
And that...")
• 04:53, 22 November 2025 PC talk contribs created page File:Rust’s RefCell and Interior Mutability.jpg
• 04:53, 22 November 2025 PC talk contribs uploaded File:Rust’s RefCell and Interior Mutability.jpg
• 04:51, 22 November 2025 PC talk contribs created page A sprinkle of Rust — Bind, don’t rewrite, in the age of MCP servers (Created page with "With the advent of OpenAI’s AgentKit, and a general shift towards agentic workflows in nearly everything you could imagine, it is more prudent than ever to get familiar with developing and deploying Model Context Protocol (MCP) servers that your LLM agents can use for tool calling. That being said, let us explore how the beautifully performant language of Rust fits in the equation, and why I would recommend using it in small doses, through bindings to Python code, rat...")
• 04:49, 22 November 2025 PC talk contribs created page Rust in Production: The Day I Realized Safety Could Also Mean Speed (Created page with "500px Source : Unsplash by Emile Perron 1. The First Time Rust Surprised Me When I first picked up Rust, I expected pain. I had heard all the horror stories about the borrow checker, cryptic error messages, and endless compilation errors. What I didn’t expect was how fast and safe my production systems would become once I pushed through. My turning point came while rewriting a service I had originally bu...")
• 04:48, 22 November 2025 PC talk contribs created page File:Rust in Production- The Day I Realized Safety.jpg
• 04:48, 22 November 2025 PC talk contribs uploaded File:Rust in Production- The Day I Realized Safety.jpg
• 04:46, 22 November 2025 PC talk contribs created page 7 Times Rust Made My Python Code Run 100x Faster (Created page with "If one hot function costs your company thousands of dollars per month, rewrite that function now. 500px Short. Direct. High stakes. Read this if latency or cost matter in your product. Why this article exists Python is an excellent orchestrator. The ecosystem is vast. Most problems can be solved inside Python with great libraries. However, when a single hot function dominates latency or cost, a surgical migration to Rust c...")
• 04:43, 22 November 2025 PC talk contribs created page File:7 Times Rust Made My Python Code.jpg
• 04:43, 22 November 2025 PC talk contribs uploaded File:7 Times Rust Made My Python Code.jpg
• 04:42, 22 November 2025 PC talk contribs created page The Rust Borrow Checker Saved My Career: A Memory Leak Detective Story (Created page with "500px The borrow checker forces you to untangle memory relationships before your code compiles — a frustrating teacher that saves you from production nightmares. 02:14 AM, production server down. Again. I was three years into what I thought would be a legendary career building high-frequency trading systems in C++. The reality? I spent more time hunting phantom memory leaks than writing actual features. That nigh...")
• 04:40, 22 November 2025 PC talk contribs created page File:The Rust Borrow Checker Saved My Career.jpg
• 04:40, 22 November 2025 PC talk contribs uploaded File:The Rust Borrow Checker Saved My Career.jpg
• 04:39, 22 November 2025 PC talk contribs created page 5 Times the Rust Borrow Checker Saved Me From Disaster (Created page with "The borrow checker stopped a production crash during a mid night deploy. The code looked fine until it did not. 500px This article shows five real failures that the borrow checker prevented.
Each story contains a short problem description, minimal code that caused the issue, the change that fixed it, and a measurable result.
Read one story. Fix one component. Ship safer code. 1. Prevented use after free in a server handler P...")
• 04:36, 22 November 2025 PC talk contribs created page File:5 Times the Rust Borrow.jpg
• 04:36, 22 November 2025 PC talk contribs uploaded File:5 Times the Rust Borrow.jpg
• 04:34, 22 November 2025 PC talk contribs created page I Don’t Need to Rewrite Go into Rust to Save Cost — I Just Use JavaScript! (Created page with "500px golang — notblessy Let me clarify before the Rust zealots start sharpening their cargo build knives: When I say “save cost,” I don’t mean infrastructure cost — I mean my personal cost — my time, my mental bandwidth, and yes, my income. I don’t want to spend six months rewriting something in Rust just to make a server 10% faster when that 10% doesn’t pay my bills. Because, spoiler alert: performa...")
• 04:33, 22 November 2025 PC talk contribs created page File:I Don’t Need to Rewrite Go.jpg
• 04:33, 22 November 2025 PC talk contribs uploaded File:I Don’t Need to Rewrite Go.jpg
• 04:31, 22 November 2025 PC talk contribs created page Rust - How to use map err to Handle Result (Created page with "We can call the map_err method on any Result value. If the Result is Err, map_err applies the function to transform the error. If the Result is Ok, it does nothing. In other words, we use map_err to manipulate the value inside an Err. https://youtu.be/3ZiRLOd6gjY?si=RdGFxxFyNE08ZPBQ fn main() { let b = hello(11).map_err(|e|{ println!("error : {}", e); format!("The error is {}", e) } ); println!("b: {:?}", b); } fn hello(a :...")
• 04:29, 22 November 2025 PC talk contribs created page Python vs. Rust: The Speed War No One Asked For (Created page with "500px Once every now and then, some programming language comparison descends upon social media. 
“Rust crushes Python in benchmarks!”
“Python remains the lord of productivity!” 
And then the comments blow up with programmers defending the language they like best in the style sports team. But the reality is — comparing Python and Rust based solely on speed is comparing a rocket and a bicycle. Both are moving...")
• 04:27, 22 November 2025 PC talk contribs created page File:Python vs. Rust- The Speed War .jpg
• 04:27, 22 November 2025 PC talk contribs uploaded File:Python vs. Rust- The Speed War .jpg
• 04:26, 22 November 2025 PC talk contribs created page 7 Reasons Rust Ownership Isn’t as Scary as You Think (Created page with "Introduction / Hook: Ownership in Rust scares almost every new developer. I know — it frightened me too. But the truth is, it is the single most powerful feature Rust gives you for safe, high-performance code. 500px By understanding a few core principles, you can write faster, bug-free applications without wrestling with complex memory management. Reason 1 — Ownership Prevents Memory Leaks Naturally Problem: In many lan...")
• 04:24, 22 November 2025 PC talk contribs created page File:7 Reasons Rust Ownership.jpg
• 04:24, 22 November 2025 PC talk contribs uploaded File:7 Reasons Rust Ownership.jpg
• 03:50, 22 November 2025 PC talk contribs created page Rust for Humans: Safety Without the Pain (Created page with "500px Image by Gemini You’re staring at a compiler error for the third time. The borrow checker rejected your code again. You know what you’re trying to do is safe — you can see it — but Rust won’t let you pass. Your cursor blinks. The room hums. And somewhere in the back of your mind, a voice whispers: maybe this language isn’t for me. Here’s the truth no one says cleanly enough: that feeling isn’t failure. It’s the exact...")
• 03:50, 22 November 2025 PC talk contribs created page File:Rust for Humans.jpg
• 03:50, 22 November 2025 PC talk contribs uploaded File:Rust for Humans.jpg
• 03:47, 22 November 2025 PC talk contribs created page Deadlocks We Deserved: How Rust Retries and Postgres Locks Finally Agreed (Created page with "500px Rust felt bulletproof until Postgres fought back. Our system could not go a week without a deadlock on the busiest tables, even as our retry logic grew cleverer. Metrics looked fine, then fell off a cliff without warning. The bug reports stacked up. We knew our code was safe, yet Postgres held all the cards — and for a long time, we played the wrong hand. Here is how we finally brokered a truce. When Safe Rust Still Loses to t...")
• 03:46, 22 November 2025 PC talk contribs created page File:Deadlocks We Deserved.jpg
• 03:46, 22 November 2025 PC talk contribs uploaded File:Deadlocks We Deserved.jpg
• 03:45, 22 November 2025 PC talk contribs created page Why Big Tech Companies Are Adopting Rust ? (Created page with "500px ver the past few years, a quiet revolution has been unfolding in the software world. If you have been following the technology landscape, you have probably noticed headlines like “Rust joins the Linux kernel”, “Microsoft rewrites core components in Rust”, or “Amazon builds cloud infrastructure in Rust”. As an architect, I tend to look beyond the hype and ask: Why are so many large technology companies investing...")
• 03:44, 22 November 2025 PC talk contribs created page File:Why Big Tech Companies .jpg
• 03:44, 22 November 2025 PC talk contribs uploaded File:Why Big Tech Companies .jpg
• 03:43, 22 November 2025 PC talk contribs created page We Bet the Product on a Rust Rewrite. Here Is What Happened Next (Created page with "We were burning through cash and time.
Every fix broke something else.
Our API was on fire. Logs flooded faster than we could read them.
Memory leaks piled up like sandbags in a storm.
The deadline loomed, and customers were leaving. The team was exhausted.
Every meeting ended with the same phrase: “Maybe next sprint.” Then someone said it — half-joking, half-serious.
“Why not rewrite the hot path in Rust?” Silence.
Then nods.
That was the mome...")
• 03:43, 22 November 2025 PC talk contribs created page File:We Bet the Product on a Rust.jpg
• 03:43, 22 November 2025 PC talk contribs uploaded File:We Bet the Product on a Rust.jpg
• 03:40, 22 November 2025 PC talk contribs created page We Switched One Endpoint To Rust. p99 Fell 10×. Our Sprints Slowed 2×. Here’s The Fix (Created page with "500px I’ll keep this brief. Our graphs moved the way you hope. Latency fell hard. CPU and incidents fell with it. Then our sprint velocity slowed. This is what actually happened, what we changed, and the exact code at the center. The Night The Graphs Flipped Payments spiked at 8:42 p.m. IST. The legacy path sat near ~280 ms p99. The Rust path, same business logic and database, ran around ~28 ms p99. Throughput doubled on th...")
• 03:40, 22 November 2025 PC talk contribs created page File:We Switched One Endpoint.jpg
• 03:40, 22 November 2025 PC talk contribs uploaded File:We Switched One Endpoint.jpg