标签：#Product

These butt-cleaning machines also offer luxe features like custom seat warming and adjustable water flows.

Swimming against the iGarden Swim Jet X Pro 10’s artificial current is a real workout, even if it doesn’t quite replace a full-size lap pool.

Every developer I know has the same reflex now. Hit an unfamiliar concept, paste it into ChatGPT, read the explanation, move on. I did this for months. It felt efficient. Then I noticed a pattern: I was reading a lot of clear explanations and retaining almost none of them. I could follow along perfectly in the moment and then draw a blank a week later when I actually needed the knowledge. The problem was not ChatGPT. The problem was using a general-purpose conversational tool for a job it was never designed to do. Here is what I switched to, and why it works better. The three failure modes of using a chatbot to learn Passive consumption feels like learning. Reading a good explanation triggers the feeling of understanding without the work that creates actual memory. You nod along, it makes sense, and nothing sticks. This is the biggest trap. There is no retrieval practice. The research on this is well established: you remember things by pulling them out of memory, not by putting them in repeatedly. A chatbot will explain the same concept ten different ways, but it will never make you answer a question you cannot immediately answer. That struggle is the mechanism. Confident hallucination is dangerous when you are the beginner. If you already know a topic, you can spot when an AI is subtly wrong. If you are learning it for the first time, you cannot, and you may internalize something incorrect with full confidence. For technical material, this is a real cost. What actually works better Tools that quiz you. Anything built around retrieval practice and spaced repetition beats passive reading by a wide margin. If a tool generates questions from your material and makes you answer them over spaced intervals, it is working with how memory actually forms rather than against it. Tools that read YOUR source material. This one is huge for technical learning. Instead of asking a model to answer from its general training data (which may be outdated or wrong for your specific libra

Module caching, execution order, and circular imports explained by tracing what actually happens. How Python's Import System Works and Why It Matters for Debugging The import system is one of the least understood parts of Python and one of the most practically important for debugging production issues. Circular import errors, unexpected code execution, and module state bugs all stem from not understanding what happens when Python encounters an import statement. What Happens on the First Import When Python executes import mymodule for the first time: Python checks sys.modules for mymodule . If found, returns the cached module object immediately. If not found, Python locates the module file. Python creates a new module object and adds it to sys.modules under the module name. Python executes the module file's code in the new module's namespace. The name mymodule in the importing module is bound to the module object. Step 3 happens before step 4. This is critical for understanding circular imports. The Module Cache import sys import os print ( " os " in sys . modules ) print ( sys . modules [ " os " ] is os ) Output: True True Every imported module is cached in sys.modules . Subsequent imports return the cached object without re-executing the module code. Module-Level Code Executes on Import # config.py print ( " config module loading " ) DEBUG = True print ( f " DEBUG is { DEBUG } " ) # main.py import config import config # second import print ( config . DEBUG ) Output: config module loading DEBUG is True True The print statements in config.py run exactly once — when the module is first imported. The second import returns the cached module object without re-executing the code. Circular Import Behavior # module_a.py print ( " loading module_a " ) from module_b import b_function def a_function (): return " from a " # module_b.py print ( " loading module_b " ) from module_a import a_function def b_function (): return " from b " When you import module_a , Python starts exe

Responsibly dispose of your food scraps with one of these indoor, (mostly) odor-free, WIRED-tested devices.

Most people assume better AI performance means a bigger bill. That assumption is quietly being proven wrong. The "Don't Touch It" Trap in AI Products There's a psychological pattern that shows up in almost every team running a live AI-powered product: once something works, nobody wants to mess with it. And honestly, that instinct makes sense. You've tuned your prompts, worked out the edge cases, trained your users, and finally gotten the thing stable. The idea of swapping out the underlying model - the engine of the whole operation - feels like pulling a thread that might unravel everything. So teams stay put. They watch new model releases come out, read the benchmark comparisons, and quietly decide it's not worth the risk. The phrase you hear most often is "if it ain't broke, don't fix it." The problem is that this logic made sense when model upgrades were expensive and disruptive. That's no longer the default reality. What's actually happening now is that AI providers are competing hard on price-per-token while simultaneously improving quality. That combination - better output, lower cost - breaks the old mental model most product people are still operating with. What a Model Migration Actually Involves Let's be clear: switching AI models isn't a one-click operation. But it's also not the months-long project many teams imagine it to be. At its core, a model migration for an AI agent involves three things: re-evaluating your prompts (because different models respond differently to the same instructions), running parallel tests to compare output quality on your real use cases, and updating any API parameters that differ between versions. That's the actual work. For most small-to-medium deployments, that's days of effort, not weeks. The bigger shift is in how you think about model versions. Rather than treating the model as permanent infrastructure, it helps to think of it more like a dependency in your software stack - something you update deliberately, test careful

Multiple Tailscale tailnets at once, no switching + no VM Discussion | Link

For decades, software was designed around one assumption: A human would be the one using it. That...

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...

Hey DEV community! 👋 Like a lot of you, I had a mental list of "quick tool" bookmarks scattered everywhere — a word counter here, a slug generator there, a Lorem Ipsum generator somewhere else. I got tired of it, so I built Yanapex: a single site with free, no-signup tools for text, images, and everyday dev tasks. A few things I focused on: Everything runs client-side. No text or files get uploaded to a server, so it's safe to paste sensitive drafts or code. No accounts, no paywalls. Open a tool and use it immediately. Fast and lightweight, built for quick one-off tasks instead of full blown apps. One of the first tools is a Word Counter ( https://yanapex.com/en/tools/text-tools/word-counter/ ) with real-time word/character/sentence counts and reading time estimates. There are 26 tools so far across text, image, and developer utilities. Would love feedback from this community: what's a small tool you constantly have to search for online that you wish just existed in one place?

Spent the week balancing deep p2p networking work in Python with some much-needed UI polish on my personal site. 11 commits and 6 PRs later, I hit a perfect 7-day streak and made the codebase a bit more secure. TL;DR This week was all about the "invisible" work that makes software feel solid. I spent a good chunk of time in the weeds of p2p networking, specifically hardening WebRTC implementations, while also carving out time to refine the typography and feel of my personal portfolio. With 11 commits across 5 repos and 6 PRs in flight, I managed to keep the momentum going every single day of the week. WHAT I BUILT Most of my direct commit activity this week was split between keeping my dev environment sharp and making my portfolio feel a bit more "me." Portfolio & Personal Branding I spent some quality time in yashksaini-coder/portfolio . If you're like me, you can't leave your personal site alone for more than a month. I pushed a few updates to the blog content, but the real fun was in the UI/UX tweaks. I swapped out the primary typography for JetBrains Mono —there’s just something about a good monospace font that makes a dev portfolio feel right. I also went through a "make-interfaces-feel-better" phase. I refactored the selectedwork section, specifically dropping a cursor-follow preview tile that felt a bit too "heavy" and replaced it with something more streamlined. I also polished the index rows to make the transitions feel snappier. It’s about +452/-279 lines of code, which is a healthy amount of churn for a week that was supposed to be about "minor" updates. The Maintenance Grind My nvim config is basically a living organism at this point. I have CI set up to automatically track plugin updates, and this week was particularly noisy with 6 commits just keeping the toolchain current. It’s [skip ci] territory, but it ensures that when I sit down to actually write code, my editor isn't lagging behind the latest Lua API changes. I also did a quick version bump for

Last month, an AI coding agent handed me a beautiful fix. Five lines. Elegant. It reused an existing helper, matched the codebase style, compiled on the first try. Exactly the kind of diff we've all learned to praise since "make the agent write less code" became the standard advice. It was also completely untested, and it sat on a password-recovery path. That diff taught me something I now consider the central problem of AI-assisted coding in 2026: we've spent a year teaching agents to write less code, and almost no time teaching them to prove the code they kept actually holds. The two failure modes Every AI coding agent fails in one of two directions. Failure mode #1: the over-build. You ask for a date comparison; you get a new dependency, a ValidationService class, and a config layer. This one is well known — it's why minimal-code prompts and skills became popular, and they genuinely work on it. Failure mode #2: the confidently small diff. Minimal, clean, written after reading half the flow, verified never — dropped onto a path that handles money, auth, or user data. It compiles. It demos. It detonates in week three. Here's the uncomfortable part: fixing #1 aggressively makes #2 more likely. When the objective function is "shortest diff," the first things to quietly disappear are edge-case handling, failure-path tests, and the guard clause that looked optional. The diff gets smaller. The blast radius doesn't. A five-line change to a payment path is more dangerous than a four-hundred-line internal script that runs once. Code size is not risk. Blast radius is risk. Yet almost every skill and prompt in this category optimizes for size alone. What a guard does differently This is why I built Guardsman 💂 — an open-source skill that behaves less like a minimalist and more like the royal guard in front of the palace: nothing passes the post unchallenged, and the level of challenge depends on what's behind the gate. Three duties, on every task: 1. Read the standing orders

...now, I pride myself on being good at my job, I'm fast at catching mistakes, I'm efficient at...

A new side-by-side measurement shows Claude Code ships roughly 33,000 tokens of system prompt, tool schemas, and scaffolding before your prompt even arrives — about 4.7x the ~7,000 tokens OpenCode sends on the same setup. The bigger cost surprise is next: Claude Code re-wrote up to 54x more prompt-cache tokens per session, and cache writes bill at a premium. How the test was run The benchmark (published by Systima) spliced a logging proxy between each harness and the model endpoint, capturing the exact request payload and the API's usage block. Both harnesses were pinned to the same conditions: Claude Code 2.1.207 and OpenCode 1.17.18 , both pointed at claude-sonnet-4-5 Fresh config directories, empty workspace, no MCP servers, no instruction files, permissions bypassed Tasks ranged from "reply with OK" (isolating fixed overhead) to a write-run-test-fix loop against FizzBuzz A zero-tools variant separated system-prompt weight from tool-schema weight The payload captures are exact; the only adjustment was subtracting a constant ~6,200-token gateway envelope that wrapped every request in the test setup. The fixed floor Harness Fixed overhead before your prompt Cache-write behavior Claude Code 2.1.207 ~33,000 tokens Re-wrote tens of thousands of cache tokens per run; up to 54x OpenCode OpenCode 1.17.18 ~7,000 tokens Byte-identical prefix each run; cached once, read back cheaply OpenCode's request prefix was byte-identical in every captured run, so it paid to cache its payload once per session and read it back for pennies. Claude Code re-wrote large amounts of prompt-cache tokens mid-session, run after run — and because cache writes bill at a premium, one usage dashboard climbs while the other stays flat. Where it piles on in real setups The harness floor is only the start. The benchmark added variables one at a time: A production repository's 72KB instruction file added an average of ~20,000 tokens to every request. Five modest MCP servers added 5,000–7,000 more. By th

What’s up everyone! Back again for my daily drop. We talk a lot about deployment frequency and lead time for changes, but if you're a solo dev or part of a small team building something like LaunchAlly , there’s one metric that rules them all: Time to Recovery (TTR) from a bad push. When you're marketing, coding, and handling support all at once, a broken main branch is a massive bottleneck. Here is my quick tip for today: Invest 20 minutes into setting up strict automated rollbacks . If a deployment fails health checks, let the system revert it instantly without your intervention. Spend lots of hours working today...happy to go to bed now:) What’s your go-to strategy for handling failed deployments on the fly?

Submission: Edu-Insight Assistant What I build I built the Edu-Insight Assistant, a tool designed for educators to bridge the gap between complex school management data and actionable insights. It allows teachers to query students performance data using natural language, turning educational evaluation into a conversation rather than a manual data-processing task. Demo 🔗 Link: Passion-challenge How I Built It I utilized Next.js for a responsive, performant frontend and hooked it up to Google Gemini 3.5 API. The core logic involves a server-side API route that takes a teacher's natural language questions, prompt Gemini to generate the necessary SQL, and execute that query against a database. This architecture makes data exploration accessible to non-technical educators. Prize Categories: - Best Use of Google AI : Leveraged Gemini 3.5 Flash for natural language-to-SQL translation and result interpretation. - Best Use of Snowflake: Designed with an extensible data layer ready for production-scale analytical workloads in Snowflake.

Upgrading CI Workflows: From Node 20 to Node 22 and Actions v5/v6 TL;DR: I upgraded the CI workflows for the content-automation repository from Node 20 to Node 22 and Actions v5/v6, addressing compatibility issues and improving performance. Key changes included updating upload-artifact from v5 to v7 and implementing retry with backoff. The Problem The CI workflows for the content-automation repository were using Node 20 internally, despite the configuration specifying Node 20. This discrepancy caused compatibility issues with newer versions of the GitHub Actions. Specifically, the upload-artifact action was still on version 5, which was internally targeting Node 20. What I Tried First Initially, I attempted to update the upload-artifact action to version 7, which supports Node 22. However, this change alone did not resolve the issue, as other actions like checkout and setup-python were still on older versions. The Implementation To address the compatibility issues, I updated the following actions: upload-artifact from v5 to v7 checkout to v5 setup-python to v6 Here are the specific code changes: // .github/workflows/main.yml steps: - name: Checkout code uses: actions/checkout@v5 - name: Setup Python uses: actions/setup-python@v6 - name: Upload artifact uses: actions/upload-artifact@v7 Additionally, I implemented a retry mechanism with backoff for the CI workflows: // .github/workflows/main.yml steps : - name : Retry with backoff run : | for i in {1..3}; do if ./script.sh; then break else echo "Retry $i failed, backing off..." sleep $((i * 2)) fi done Key Takeaway The key takeaway from this experience is the importance of keeping CI workflows up-to-date with the latest versions of GitHub Actions. This not only ensures compatibility but also improves performance and reliability. What's Next Next, I plan to monitor the CI workflows for any issues and continue to optimize the retry mechanism for better performance. I will also explore other ways to improve the reliabili

I built a voice assistant that controls 45 AI tools. I say "Hey Jarvis" and it executes. What It Does Command Action "generate content" Creates YouTube scripts for 9 channels "research quantum computing" Deep research via Tavily + AI "write email about meeting" Drafts email, copies to clipboard "start focus" Starts Pomodoro + blocks apps "code review" Reviews git diff with AI "summarize" Summarizes clipboard content "find file tax PDF" Natural language file search Architecture Mic → Whisper (offline) → Intent Classify → Router → Ollama → say (TTS) Key Features Offline speech (Whisper local) Wake word: "Hey Jarvis" Global hotkey: Ctrl+Space Command chaining: "research AI then write blog" Memory across conversations Hindi + English Setup brew install portaudio pip install SpeechRecognition pyaudio openai-whisper python voice_commander_pro.py 🔗 github.com/amrendramishra/ai-tools 🌐 amrendranmishra.dev

hi, i am Aniruddha Adak, a full-stack developer from kolkata who spends way too much time building things with ai tools, shipping apps, and reading way too many github readmes at 2 am. i built 27 apps in 45 days using no-code and ai tools last year. that experience taught me one thing very clearly: the landscape of ai tooling for developers is moving insanely fast, and it is genuinely hard to keep up. so i sat down and did something about it. this is my deep research post on every ai tool, agent, builder, reviewer, and framework that developers, software engineers, and ai engineers should actually know about right now. i have organized it into categories so you can find what you need quickly. no fluff. just the tools, their sites, and what they do. why i wrote this i keep seeing developers waste time because they do not know the right tool exists. someone is manually reviewing pull requests for a week straight, not knowing coderabbit exists. someone else is hand-writing supabase schemas when emergent can do it in seconds. another person is spending days on a landing page when v0 can scaffold it in one prompt. this post is my attempt to fix that. i went through github repositories, dev communities, product hunt launches, and research aggregators to compile this. it is long. that is intentional. bookmark it. section 1: ai-native ides these are not just editors with a chatbot plugged in. these are environments built from the ground up around how language models think and work. tool site what it does cursor https://www.cursor.com forked vscode, codebase-aware context windows, multi-file edits with copilot-style background indexing windsurf https://windsurf.com cascade ai agent that writes files, runs terminal checks, and fixes things in real-time zed https://zed.dev built in rust with gpui, super low latency, native multiplayer coding support replit https://replit.com cloud ide with a full autonomous agent that runs inside serverless virtual workspaces google antigravit

AWS released an official Agent Toolkit that plugs Claude Code, Codex, and Cursor directly into your AWS account through a single MCP server. Instead of wiring up IAM roles and endpoints by hand, you install one plugin and the agent can search AWS docs, run sandboxed Python, and follow curated cloud skills with full CloudTrail audit logging. What the AWS Agent Toolkit Actually Is The Agent Toolkit for AWS is an open-source project (published on GitHub at aws/agent-toolkit-for-aws ) that bundles two things: The AWS MCP Server — a managed server that gives agents access to AWS through the Model Context Protocol. Agents can search AWS documentation and pull service information without authentication. To actually execute AWS API calls, run Python in a sandboxed environment, or follow curated skills, the agent authenticates through your existing IAM credentials. Agent plugins — single-install packages that bundle the MCP server configuration and a curated set of agent skills, so you don't configure endpoints and install skills one by one. The point is consolidation. One endpoint, IAM-based access controls, CloudWatch metrics, and CloudTrail logging of every API call for audit visibility. Which Agents It Supports Per AWS's own documentation, plugins ship for Claude Code, Codex, and Cursor . Kiro connects to the AWS MCP Server directly without needing a plugin, and any MCP-capable agent can point at the server manually. The install flow is refreshingly short for Claude Code: /plugin install aws-core@claude-plugins-official /reload-plugins The aws-core plugin is the recommended default — it bundles the MCP server config and skills covering service selection, infrastructure as code (CDK and CloudFormation), serverless, containers, storage, observability, billing, SDK usage, and deployment. A second plugin, aws-agents , provides additional agent-oriented capabilities. Why This Matters for Coding-Agent Users Until now, getting an agent to safely touch your cloud account meant h