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This advice is everywhere now: Stack ten indicators, wait for three of five to agree, then size up...

Two weeks ago I published a piece explaining exactly why AI detectors are unreliable. Then Sloan...

👋 Hey there, Tech Enthusiasts! I'm Sarvar, a Cloud Architect who loves turning complex tech problems...

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Automating workflows has always been a priority for me, especially for repetitive and error-prone manual processes. Recently, integrating AI capabilities into these automations offers a great opportunity for those, like me, who seek practical solutions. However, this integration often requires coding or complex API integrations. This is where "low-code/no-code" tools like n8n come into play. I used n8n to set up AI-powered agent flows on my own servers, without compromising data privacy and control. In this post, I will share my experience and explain how to do it step-by-step. Why n8n and Self-Hosted AI Automation? A few years ago, I experimented with different automation tools, especially for simple data transfers and notification flows. But when AI capabilities became involved, I either found them too expensive or avoided cloud-based solutions due to data security concerns. Especially in a client project where we needed to set up an automation handling sensitive financial data, a self-hosted solution became inevitable. n8n offers a wide range of integrations and, thanks to Docker support, I can easily host it on my own server. For me, self-hosting is not just about cost advantage; it also means having complete control over my data. Especially when using AI agents, the question of how much of the data you send to LLMs is logged or used for training is always a concern. With an n8n setup under my control, I minimized these worries. Moreover, n8n's flexible structure gives me the freedom to add as many custom integrations or LLM providers as I want. This is a significant advantage for someone like me who enjoys testing different LLMs. ℹ️ Data Privacy Priority Especially when working with sensitive data, it's crucial to carefully review the data usage policies of cloud-based AI services. Self-hosted n8n offers more control in this regard, making it my preferred choice for critical workflows. Setup Steps: Quick Start with Docker Compose The easiest way to run n8n on y

Swift Testing shipped with Xcode 16 back in 2024. Swift Testing was built from the ground up for Swift. That means Swift concurrency is a first-class citizen, test cases run in parallel by default, and the API surface is dramatically smaller than XCTest's forty-plus assertion functions. One macro, #expect , replaces most of them. If you are still on XCTest, you have probably felt the friction: class inheritance for every test suite, function names that must start with test , assertion messages that tell you what the values were but not where the expression came from. Swift Testing fixes all of this. That said, you do not need to migrate everything at once, and WWDC 2026 is emphatic about this. The Migration Strategy: Small Chunks, No Big Bang The session opens with something refreshing: permission to be slow about this. The recommended approach is to leave your existing XCTests where they are and start using Swift Testing only for new tests. Both frameworks can coexist in the same target and even the same file. You do not need a separate test target, and you do not need a migration sprint. The one rule: Swift Testing tests cannot live inside XCTestCase subclasses. Everything else is fair game. Raw Identifiers for Readable Test Names One small quality-of-life improvement worth knowing about from the start: Swift supports raw identifiers using backticks, and Swift Testing takes full advantage of this. import Testing @testable import DemoApp @Test func ` Default climate : tropical ` () async throws { let fruit = Fruit ( name : "Coconut" ) #expect(fruit.climate == .tropical) } No more testDefaultClimateTropical or dealing with camelCase names in test output. The test name is the test name. Interoperability: The Key to Reusing Your Helper Code This is the main new story in WWDC 2026 and the feature that makes incremental migration actually work. The problem: you have test helper functions that wrap XCTFail . You want to call them from new Swift Testing tests. Previously,

Ihre OpenAPI-Datei ist die Quelle der Wahrheit für Ihre API: Pfade, Parameter, Request-Bodies, Responses und Schemas. Für Entwickler im Alltag ist rohes YAML oder JSON aber selten das beste Lesematerial. Backend-Teams brauchen eine schnelle Endpunkt-Referenz im Repository, Frontend-Teams wollen Request- und Response-Felder im Pull Request prüfen, und technische Redakteure möchten Inhalte in Wiki- oder Docs-Systeme übernehmen, ohne Schemas abzutippen. Testen Sie Apidog noch heute Markdown ist dafür das praktischste Zielformat. Es funktioniert in GitHub, Confluence, Notion, Docusaurus, MkDocs, Hugo und jedem Texteditor. Die Aufgabe lautet also: Aus einer vorhandenen openapi.yaml automatisch sauberes Markdown erzeugen. Manuell ist das zu langsam und driftet beim nächsten API-Change auseinander. Automatisch generiertes Markdown bleibt dagegen Teil Ihres Release-Prozesses. Warum Markdown aus OpenAPI generieren? Ein OpenAPI-Dokument ist primär für Maschinen gedacht. Tools parsen es, um Clients zu generieren, Contract-Tests auszuführen, Requests zu validieren oder interaktive Dokumentation zu rendern. Diese Maschinenlesbarkeit sollten Sie beibehalten. Wenn Sie zuerst die Qualität Ihrer Spezifikation prüfen möchten, hilft der Leitfaden zu OpenAPI-Validierungstools . Markdown löst ein anderes Problem: Es macht die API dort lesbar, wo kein OpenAPI-Renderer läuft. Typische Einsatzfälle: README.md oder /docs im Repository Pull-Request-Beschreibungen für neue oder geänderte Endpunkte Confluence- oder Notion-Seiten für Team-Reviews Statische Dokumentationsseiten mit Docusaurus, MkDocs oder Hugo Offline- oder interne Referenzdateien für Support und QA Wichtig ist: Markdown sollte ein abgeleitetes Artefakt sein. Die OpenAPI-Spezifikation bleibt kanonisch, Markdown wird bei Änderungen neu erzeugt. Methoden im Überblick Es gibt keinen offiziellen OpenAPI-Befehl für Markdown-Export. In der Praxis nutzen Teams entweder Konverter, ein eigenes Skript oder eine API-Plattform. Methode Am b

Forget neural networks for a second. The real idea inside this repo is a blueprint for letting AI agents run unattended overnight — and it maps onto problems you already have on your team. If you've been anywhere near tech Twitter or LinkedIn this week, you've probably seen people losing their minds over a small GitHub repo called autoresearch , published by Andrej Karpathy — former Tesla AI director and OpenAI founding member. The framing is dramatic: an AI agent that runs machine learning experiments on its own, overnight, while you sleep. Tweak the code, train for five minutes, check if it got better, keep it or throw it away, repeat. Wake up to a log of a hundred experiments and a model that's quietly improved itself. If you're not an ML researcher, your instinct might be to scroll past. "Cool, but I don't train neural networks. How does this apply to me?" Here's the thing — the neural network part is almost incidental. What Karpathy actually open-sourced is a pattern for structuring AI-agent work: a specific way of dividing responsibility between human and AI that happens to generalize to a huge range of engineering problems. Once you see the pattern, you start noticing places in your own job where it fits. What's Actually in This Repo The repo itself is intentionally tiny — and that's the point. There are really only three files that matter: The evaluator (untouchable). A file containing the fixed constants, data preparation, and the scoring logic. The agent is never allowed to modify this. It's the ruler everything else gets measured against. The implementation (the agent's playground). A single file containing the actual model, training loop, and hyperparameters. This is the only file the agent is allowed to change. Architecture, batch size, optimizer — all fair game. The instructions (the human's only job). A plain Markdown file describing what the agent should try, what the constraints are, how to interpret results, and what to do when something breaks. Ka

Running 23 European e-commerce shops on Payload CMS v3 taught me that some things simply don't exist yet. So I built them. Background I maintain a multi-clone e-commerce infrastructure — 23 Next.js + Payload CMS v3 shops deployed across Europe, each on its own subdomain and language. Think fr.myshop.com , de.myshop.com , sk.myshop.com ... all running on the same codebase with country-specific patches. While building this, I kept running into two missing pieces that no one had published for Payload v3: A customer reviews system with admin moderation and Google star ratings Complete Schema.org JSON-LD for Google rich snippets (Product, BreadcrumbList, ItemList, AggregateRating) Both are now published on npm. Here's what I built, the bugs I hit, and how I solved them. Part 1 — The Reviews Plugin What didn't exist Search npm for payload reviews or payload ratings — you'll find nothing for v3. The official plugin ecosystem covers SEO, forms, redirects, Stripe... but not customer reviews. Building the collection The reviews collection itself is straightforward — relationship to products , rating (1-5), status select (pending/approved/rejected), author fields. The tricky parts came later. Access control gotcha: Payload v3 uses a roles array, not a role string. This breaks if you copy v2 patterns: // ❌ Wrong — always returns false update : ({ req }) => req . user ?. role === ' admin ' , // ✅ Correct for v3 update : ({ req }) => req . user ?. roles ?. includes ( ' admin ' ), Prevent self-verification: Users can POST any field on create: () => true collections. Lock verified in a beforeChange hook: hooks : { beforeChange : [ ({ data }) => { if ( ! data . status ) data . status = ' pending ' data . verified = false // admin-only, always reset on create return data }, ], }, Email protection: read: () => true on the collection exposes authorEmail in the public API. Add field-level access: { name : ' authorEmail ' , type : ' email ' , access : { read : ({ req }) => req . user ?.

Most AI demos work perfectly on a laptop. But production AI systems can become fragile when everything is handled inside one synchronous API call. A user sends a request. The API extracts text. The API chunks the content. The API generates embeddings. The API stores data. The API waits for everything to finish. This may look simple in a demo, but it quickly becomes a problem in real systems. The problem with one giant API call In many AI applications, the API is expected to do too much. For example, in a document processing or RAG pipeline, one request may trigger multiple heavy steps: text extraction chunking embedding generation indexing summarization database updates If all of this happens inside one synchronous request, the API becomes slow and fragile. If one downstream step fails, the complete request may fail. If traffic increases suddenly, the API may become overloaded. This is why event-driven architecture becomes useful for AI workloads. A better approach: API + Kafka + workers Instead of making the API do everything, we can split the workflow into smaller services. The API accepts the request and publishes an event. Background workers consume events and continue the processing asynchronously. A simple flow looks like this: User Request ↓ FastAPI ↓ Kafka / Redpanda Topic ↓ Python Worker ↓ Next Processing Stage In my practical demo, I am using: FastAPI Redpanda Python workers Docker Compose Kafka-compatible messaging Why Redpanda? Redpanda is Kafka-compatible, which makes it useful for local demos and event-driven architecture experiments. It allows us to work with Kafka-style topics, producers, and consumers while keeping the setup simple for development. What this architecture gives us This approach helps with: decoupling services handling bursty workloads moving long-running tasks to background workers improving scalability isolating failures building production-style AI pipelines This pattern is especially useful for AI systems involving: document proce

There are already many posts about what agent skills are and how to create your own, so in this post I want to dive into the various skills I use to assist in development. The Skills Grill Me Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me". I start every larger task with this excellent skill created by Matt Pocock. I either start this with an already prepared PRD / detailed task description or use it for discovery purposes. The agent will then ask many questions to align language and functional requirements, so fewer hallucinations happen in follow up requests. You should be well equipped to answer the agent's question or the grill me session can go on for a long time. I had it ask me way over 50 questions when not answering detailed enough. As a little extra I added an extra request to the skill to prompt me if I want to create the PRD when the alignment phase is over, this leads us to the next skill. To PRD Turn the current conversation context into a PRD. Use when user wants to create a PRD from the current context. This will simply take the current conversation and creates a PRD out of it, we do this to summarize the conversation so we can easily start a new context window with all information present To Issue Break a plan, spec, or PRD into independently-grabbable GitHub issues using tracer-bullet vertical slices. Use when user wants to convert a plan into issues, create implementation tickets, or break down work into issues. Another excellent skill by Matt Pocock. I modified the skill slightly to use the GitHub MCP to create issues based on a PRD or planning session. But I often found that letting an agent implement those tasks it resulted in a large amount of code and that is why I added the to tasks skill To Task Break down a single GitHub issue into a sequential list of small i

If you've ever needed a list of local businesses - every dentist in Manchester, every plumber in Leeds - with their contact details , you've probably hit the same wall I did: Google's Places API is rate-limited, costs money once you scale, and annoyingly doesn't return email addresses at all. Copy-pasting from Maps by hand is soul-destroying past the first ten rows. Most "scrapers" give you the name and a phone number, then stop right where the value starts: the email . This guide shows a practical way to pull structured business data straight from Google Maps and auto-enrich each result with emails, extra phones, and social links - no Google API key, exportable to JSON/CSV/Excel, and callable from code. What you actually get per business { "name" : "Ringway Dental - Cheadle" , "address" : "187 Finney Ln, Heald Green, Cheadle SK8 3PX" , "phone" : "0161 437 2029" , "website" : "https://www.ringwaydental.com/" , "rating" : 5 , "reviewsCount" : 598 , "category" : "Dental clinic" , "lat" : 53.37 , "lng" : -2.22 , "emails" : [ "reception@ringwaydental.com" ], // ← enriched from the website "socialLinks" : { "facebook" : "..." , "instagram" : "..." }, "extraPhones" : [ "..." ] } The first block (name → coordinates) comes from Maps. The emails / socialLinks / extraPhones are the bit that makes a list actually usable for outreach - they're crawled from each business's own website. The fast way: a ready-made Actor Rather than build and babysit the scraping yourself, I packaged this as an Apify Actor: Google Maps Scraper . You give it search terms + locations; it returns enriched rows. Input: { "searchTerms" : [ "dentists" ], "locations" : [ "Manchester, UK" ], "maxPlacesPerSearch" : 50 , "scrapeContacts" : true , "relatedEmailsOnly" : true } That's it. scrapeContacts: true turns on the website crawl for emails/socials; relatedEmailsOnly keeps only emails that belong to the business's own domain (so you don't get random gmail noise). Call it from code (Python) Every Apify Act

In a bid to dismiss a lawsuit over xAI’s polluting gas turbines, the Justice Department claimed the company is integral to military operations—including the Iran War.

I asked AI to write a commit message for me last week The code change was simple. A bug fix One line,...

This week's Java roundup for June 8th, 2026, features news highlighting: the GA release of A2A Java SDK 1.0; an update on Jakarta EE 12; point releases of Micrometer Metrics and Micrometer Tracing; maintenance releases of GraalVM Native Build Tools and OpenXava; the second release candidate of Gradle 9.6; and the first milestone release of Eclipse JNoSQL 1.2. By Michael Redlich

You’ve built something with Playwright. It works perfectly in your local environment. CI is green....

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Anthropic leaders flew to Washington, DC, to meet with White House officials on Monday. After high-level talks, they're still split on the risk Claude Fable 5 presents.

Class, Record, and Struct serve as blueprints for creating new objects. Classes Classes are the foundational building blocks of Object-Oriented Programming (OOP). Blueprint and instance // blueprint public class Person { public int ID { get ; set ; } public string Name { get ; set ; } } // instance var p = new Person { ID = 1 , Name = "Mirza" } Inspection Printing the class instance in the console will just display it's name: var p1 = new Person { ID = 1 , Name = "Mirza" }; Console . WriteLine ( p1 ); // Person To print the actual, we'd need print each property explicitly: Console . WriteLine ( p1 . ID ); // 1 Console . WriteLine ( p1 . Name ); // "Mirza" Mutation C# classes are mutable, meaning the originally set values can be altered: var p1 = new Person { ID = 1 , Name = "Mirza" }; Console . WriteLine ( p1 . Name ); // "Mirza" p1 . Name = "Armin" ; Console . WriteLine ( p1 . Name ); // "Armin" That said, this can be tweaked by changing the accessor the class property. public class Person { public int ID { get ; set ; } public string Name { get ; init ; } // <-- } This time around if we try to change the value of the Name property after initialization, the C# compiler will start to complain. var p1 = new Person { ID = 1 , Name = "Mirza" }; p1 . Name = "Edis" ; // ❌ The init accessor allows you to create properties that can only be assigned a value during object initialization. Memory location Classes are reference types and are allocated on the heap. If we create two distinct class objects and assign one to the other, both objects will point to the exact same reference in memory: var p1 = new Person { ID = 1 , Name = "Mirza" }; var p2 = new Person { ID = 2 , Name = "Mirza" }; p1 = p2 ; p1 . Name = "Sead" ; Console . WriteLine ( p1 . Name ); // Sead Console . WriteLine ( p2 . Name ); // Sead If we change a value in one of the objects, it will be reflected in both. Equality Two class instances (objects) aren't equal even if they share the same values: var p1 = new P

In sandbox runtimes, "isolation" is the core requirement. qwrap (based on bwrap user namespace) and Container (podman/docker) are two mainstream backends. They solve the same problem — running code in a restricted environment — but take completely different paths. This article uses extensive analogies to help you understand the similarities and differences. Building Intuition: Two Ways to "Lock the Door" Imagine you need to confine someone you don't fully trust in a room to do work: qwrap approach : In your existing house, you put up a partition to wall off a corner, leaving only a small window to pass materials through. The walls are still the original walls, the floor is still the original floor, but the person can only see what's inside the partition. Container approach : You build a shipping container with its own independent power, water, and ventilation systems. Put the person inside, close the door. They feel like they're in a complete little house, completely unaware of what's outside. This is the most fundamental difference: qwrap is lightweight view isolation, Container is complete environment encapsulation . What is qwrap (bwrap user namespace) qwrap uses bubblewrap (bwrap) under the hood, a sandboxing tool that leverages Linux user namespaces. How it Works Host filesystem ├── /usr/bin/python3 ← Host's Python ├── /home/user/project/ ← User project └── /tmp/secrets/ ← Sensitive files qwrap sandbox view (what the process sees) ├── /usr/bin/python3 ← bind-mounted in, read-only ├── /workspace/ ← Only the project directory is exposed └── (/tmp/secrets/ doesn't exist) ← Completely invisible Key mechanisms: User Namespace : The process thinks it's root, but actually maps to an unprivileged user on the host Mount Namespace : Only bind-mounts necessary directories in, everything else is invisible No images, no layers, no network namespace (unless explicitly configured) Analogy: VPN Split Tunneling qwrap is like split-tunneling rules on your phone — you're not wrap