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The Roofline Model for LLM Inference
In Part 3 the Word Factory had two speed limits. The forklift brings tables from the warehouse, and the workbench does the math. Reading your question got stuck on the workbench. Typing the answer got stuck on the forklift. Today we draw both limits on one picture . Engineers…
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Why ChatGPT Makes Things Up — And the Fix Nobody Told You
Originally published on Substack: https://paragonaimag.substack.com/p/why-chatgpt-makes-things-up-and-the Full video: https://youtu.be/tI_02Sl3gHM Podcast: [podcast URL once known; edit in after step 16] Why ChatGPT Makes Things Up — And the Fix Nobody Told You, from Paragon AI…
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Polly's maintenance fee starts 16 November. Is your .NET app affected?
Check your solution in one command, along with MediatR, AutoMapper, MassTransit and FluentAssertions. On 14 July 2026 the Polly project announced that it's adopting the Open Source Maintenance Fee (OSMF) . Payment requests start on 16 November 2026 . Polly is everywhere in .NET.…
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Building Cometflow Do: One Chat Interface for Everyday Utilities, With Privacy at Its Core
What if you didn't need to open a different app every time you wanted to perform a simple task? Compressing an image, converting a file, calculating something, checking metadata, generating a checksum, or performing everyday utility operations shouldn't require navigating…
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Mobile App Onboarding: A UX and Development Checklist for 2026
Mobile app onboarding sits at the intersection of product design, authentication, permissions and application performance. A new user may need to understand the app, create an account, grant access to a device capability and complete an initial task. Poor sequencing can turn…
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How to Publish a Replit App to the App Store and Google Play (2026)
Short answer: first check what Replit built for you. If it's a web app (most Replit Agent projects are), you need to turn it into a native app before the stores will take it. If it's a mobile app built with Expo , you can build and submit it with Expo's tools. Either way, you…
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Spec to Compile for coding agents: A-ISL (experimental)
Repo: fra00/a-isl-agents . I got tired of two extremes: one-shot prompts that disappear into the chat, and hand-written specs nobody maintains. A-ISL is an experiment in the middle: you describe the product in natural language; a coding agent writes a reviewable Spec in classic…
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HTTP Message Signatures need a canonical request, not a collection of headers
HTTP Message Signatures need a canonical request, not a collection of headers An API gateway can verify a signature and still authorize the wrong request. RFC 9421 defines HTTP Message Signatures so that a signer can sign selected components of a request or response, and a…
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252 x402 receipts, but how many confirmed customers?
My store's receipt feed records 252 settled sales. That sounds like traction until I ask a different question: who paid, and what evidence shows they wanted the service? Of those sales, 56 are marked as payments from wallets controlled by the same operator. The remaining 196…
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PHP2Shell: The PHP Vulnerability Everyone Is Talking About Right Now (And How to Fix It)
If you have been seeing "PHP hacked" , "PHP vulnerability" or "PHP2Shell" everywhere lately — in tech news, on Twitter, or from developer friends — you are not imagining it. This is real. It is serious. And most PHP website owners have no idea they are vulnerable right now. Let…
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GitHub Actions GITHUB_TOKEN Doesn't Trigger Workflows: 11 Tags, 0 Runs
A user opened an issue on one of my side projects: "Is this package abandoned? The README says 1.4.6 but npm says 1.3.0." I checked GitHub. The tags were there: v1.3.1 through v1.4.6 , eleven of them across nineteen days, each cut by my release workflow. I checked npm. Still…
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I Cut Concurrency Latency by 60% in Production. Here is Why Single-User Speed Barely Moved at First.
This is the fourth series of the production LLM Systems and RAG of Vicquant. Step 1 was fixing the concurrency queue with multi-worker ASGI. Step 2 was unblocking the event loop and facing the 8-round-trip database tax. In the previous article, I exposed a critical vulnerability…
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Local Success Story: A Coffee Shop Triples Customer Calls with AI Calling Agents
Introduction – A Small Shop with Big Ambitions When Brewed Awakening , a neighborhood coffee shop in Portland, decided to upgrade its customer outreach, the owners imagined a simple email newsletter. What they didn’t expect was a dramatic surge in inbound calls— three times more…
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A Small Python Script to Catch E-Invoice Data Problems Before They Reach the Network
Disclosure: I used AI to help draft this article. I reviewed the content and tested the script myself. I work at an accounting software partner in Dubai, and this post is a general tutorial. The UAE is moving to structured electronic invoices. Instead of emailing a PDF, a system…
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A practical checklist: turn one SKU into a full ad set (image + short video)
Marketing teams rarely lack ideas. They lack a repeatable path from one product photo to a usable ad set — static variants plus a short motion clip — without a week of back-and-forth between design, copy, and video. This is a workflow checklist you can run in under an hour once…
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Background Removal in a Small Frontend Pipeline: Where Review Belongs
The problem is usually upstream A frontend asset pipeline can produce technically valid images that still look wrong in the UI. A halo, missing hole, or overly tight crop is a content defect, not something CSS should hide. Start by defining the visual acceptance criteria. 1.…
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Rider and Databases: Lesser-Known IDE Features That Save Time
Most developers work with databases through dedicated tools: some prefer SQL Server Management Studio (SSMS), others go for DBeaver or pgAdmin. Rider is usually seen as a .NET IDE and nothing more, so many people overlook the fact that it handles backend database work perfectly…
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The offline claim is twelve patched calls and one gap
Every "never phones home" line in a tool's README is a policy statement until you open the file that enforces it, and the enforcement is usually shorter than the promise. I cloned Zero Breach Toolkit on Oct 28 and read its network guard before running anything. Today's GitHub…
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AI App Builder: How to Turn Ideas into Working Applications Faster
What if you could create an application in minutes rather than days of writing generic code? AI App Builders are making it possible to describe what an application should contain in simple English, then watch an AI tool generate the UI, database and back-end. AI App Builders are…
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AI Calling Agents for Nonprofits: Boosting Donor Engagement and Retention
The Power of Personalized Outreach in the Digital Age Nonprofits thrive on relationships, not transactions. Every call, email, or text that reaches a donor’s phone or inbox is an opportunity to deepen trust, share impact stories, and ask for continued support. Yet, limited staff…