Hi, friends! Welcome to Installer No. 142, your guide to the best and Verge-iest stuff in the world. (If you're new here, welcome, how is it almost September already, and also you can read all the old editions at the Installer homepage.) This week, I've been remembering Dolly Parton, Tim Curry, and Peter Cullen, absorbing […]
This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more on falling robots and the US-China AI race, follow Robert Hart. The Stepback arrives in our subscribers' inboxes on Sunday at 8AM ET. Opt in for The Stepback here. How it started I've admitted my fondness for […]
Chess.com has done one thing, and one thing very well, for almost 20 years, but now it's going beyond its domain name. The biggest name in online chess quietly launched its first companion site in beta back in May: Gambit, a free online poker website where players can learn the game without risking any real […]
As backlash grows over Flock's AI surveillance cameras, Texas Governor Greg Abbott has frozen state spending on them. The move came just ahead of the publication of a Texas Tribune investigation that revealed the state spent over $30 million on Flock cameras. That money was primarily raised by tacking a $1 fee onto insurance policies, […]
A Japanese version of this is on Zenn .
I build and sell a macOS network-security menu bar app called RoamSwitch .
In a previous post , I wrote about attacking my own Mac from an Arch Linux box on the same LAN to see how it handled basic reconnaissance and rogue device probes.
Since then, as I kept adding features and refactoring, a nagging question kept resurfacing: Are we introducing regressions? Is our privileged helper still watertight? Did a recent update accidentally punch a ...
1. Problem Statement
I wanted to contribute to an open source project called WikiEduDashboard , a web application built by Wiki Education. It helps instructors and program leaders run Wikipedia-editing classes and campaigns: students join a course, make edits to Wikipedia, and the dashboard tracks their work.
To contribute code to this project, I first need a working copy of it running on my own PC. This is called a "local development environment." Without it, I can't test any changes I ...
The assumption every RAG demo makes
Standard RAG assumes the user's question maps onto one vector search. One query in, one embedding, one top-k lookup, one answer.
That assumption holds up in demos, because demos ask demo questions. "What's our parental leave policy?" is one document. Retrieve it, stuff it into the prompt, done.
Then you ship, and a real user types: "Did the carrier rate change we approved in Q2 actually reduce our cost per shipment in the Northeast, and does that ho...
Originally published on xroot.dev .
On-chain, a regulated fund token and a honeypot scam are the same shape.
Both are Token-2022 mints. Both keep an active freeze authority. Both set DefaultAccountState to Frozen , so every new holder's account starts locked. One of them is a European money-market fund following its regulator's rules; the other is a trap built to let you buy and never sell. Every token scanner I tested reads them identically: red flags, high risk, score zero.
The...
Managing academic records , student enrollments and staff communication across educational institutions requires speed, reliability, and security. Legacy school management systems are often slow, difficult to navigate, and bogged down by bloated software architectures.
At SkyBuild Technologies, we designed and developed EduSky (edusky.skybuildtechnologies.com)—a modern, cloud-native and multi-tenant school management platform engineered to streamline administrative workflows and deliver inst...
Changelogs and pricing pages ship the model. Your feed just argues about it later.
I used to treat AI Twitter like a release channel. Bad idea. The timeline is commentary. The drop is usually a quiet line on a docs page.
Last month a new model ID showed up on an API pricing table before anyone I follow wrote a thread. I was not clever. That URL was already on a watch. The feed still spent the afternoon debating vibes.
What belongs in a real brief
When a lab ships, I want fi...
As I have started my Data analysis and science curriculum, Microsoft excel is the first tool we have learnt. In my life before getting into this course, I used to underestimate the power of Microsoft excel.
Definition of Microsoft Excel
This is a spreadsheet software developed by Microsoft that allows you to collect, organize, analyze, calculate and visualize data efficiently.
The Excel Interface
When open Microsoft excel, you first an interface made of various to...
The Problem
GitHub profiles are data-rich but visually boring
Developers want to "flex" their stats but have no aesthetic way to do it
The Solution
DevCard: enter username → pick theme → download PNG
Show all 3 themes with screenshots
How It Works (Architecture)
Cloudflare Worker + GitHub GraphQL API (single query)
Edge caching strategy
Client-side rendering with html-to-image
The CORS avatar trick (base64 conversion)
The RPG Class System (fun sec...
Intro
I recently read an article about a VC who uses AI to boost his productivity. He described building a knowledge base using NotebookLM, and one point that stuck with me was:
Every time I read something online that I thought I wanted to remember, I'd copy and paste it into that repository. Whenever I wanted to write a blog post, I could query it and retrieve all the information I needed.
Like him, I have knowledge and resources scattered across Logseq, Gmail, Notion, ADR docum...
Help wanted: validate a React faceted search SPFx sample in SharePoint Online
A new read-only React faceted search sample is ready for the PnP SharePoint Framework webparts repository:
Pull request: https://github.com/pnp/sp-dev-fx-webparts/pull/6480
Sample: https://github.com/pnp/sp-dev-fx-webparts/tree/main/samples/react-faceted-search
The web part uses SharePoint Search REST ( /_api/search/query ) to search the current site. It supports:
Search terms
FileType and ...
Chapter 1 — Core Foundation
1.1 Objective
The first version of ACAI should begin with a small, working core rather than attempting to implement the entire architecture at once.
The Chapter 1 pipeline is:
User
↓
FastAPI
↓
ACAI Orchestrator
↓
Model Service
↓
AI Model
↓
Response
The first implementation uses a Mock Model so the system can be tested without requiring an external API key.
1.2 Project Structure
ACAI/
└── backend...
I know job searching, especially when you are starting a tech career, can be frustrating regardless of the position you are targeting, whether it is Software Engineering, Data Science, Data Analysis, Data Engineering, Cybersecurity, or any other tech role .
Most people rely on LinkedIn and a few common job boards, but there is another simple method you can try: Google X-Ray Search .
Google X-Ray Search is a technique where you use Google's advanced search operators to search specific web...
Oofoe ( sourcehut ) is a REBOL-refugee comes from animation and now works on precision instrument software. He makes puzzles in Decker and games in Janet (using his Janet->JavaScript transpiler) and Racket and Racket and, again, Racket and Racket and even visual novels .
In this interview, we discuss:
DSL design
exotic languages (REBOL, Forth, Janet)
Decker
industrial domains (VFx)
Do you know of any resources to set up additional targets in %project.janet ? ...
From the Coinfest Asia stablecoin panel to coins.ph CEO Wei Zhou on corporate chains, the $5m token exemption and why cards win the first AI agent wave.
Burnt out on wrist buzzes and notification overload? A new crop of minimalist wearables promises to collect your health data without demanding your attention.
Have you ever noticed that a website sometimes loads slowly the first time, but much faster when you visit it again?
For example, imagine you open an online shopping website for the first time.
The browser needs to download things like HTML, CSS, JavaScript, images, and fonts.
After the page loads, you refresh it.
Suddenly, the page may load much faster.
So what happened?
The answer is browser caching .
What Is Browser Cache?
A browser cache is temporary storag...
HTTP caching, cache-aside, write-through, Redis patterns, and cache invalidation — plus the stale data problems.
The Request That Cost $100,000
In 2017, a major cloud provider experienced an outage that traced back to a single misconfigured cache. A caching layer that was supposed to serve data within 5 milliseconds had been configured with a TTL (time-to-live) of 24 hours. When the underlying database was updated at 2:00 PM, the cache continued serving the old data until 2:0...