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Article URL: https://hostim.dev/blog/postgres-benchmark-rds-vs-hostim-vs-self-hosted/ Comments URL: https://news.ycombinator.com/item?id=48816129 Points: 4 # Comments: 0

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Choosing the wrong image format costs you page speed, user experience, and bandwidth. Here's a practical guide to the four major formats and when each makes sense. JPEG (JPG) — Still the universal standard Best for: Photographs, complex images with many colors. JPEG uses lossy compression that works well for natural scenes. It's supported everywhere. The downsides: no transparency, no animation, and visible artefacts at very low quality settings. When to use it : Backgroun...

Claude Code skills are easy to write. The hard part nobody documents: how does the skill know where your app's files live on someone else's machine? I hit this building a skill for my Mac screenshot app. The skill needs to read the latest capture. On my machine that folder is one path. On yours it's wherever you set it in preferences. Hardcode it and the skill breaks for everyone but me. Here is the pattern that fixed it, in three parts. What a skill is, in one paragraph A ...

Every Node.js project I've ever worked on has the same invisible vulnerability. Somewhere in the codebase, there's a line like this: const db = new Client ({ url : process . env . DATABASE_URL }) It works in development. It works in staging. And then one day, in production, the variable is missing, misspelled in the CI config, forgotten in a new environment, silently dropped during a secrets rotation. The app starts. No error. No warning. Just undefi...

I've built a handful of small color tools over the past year, and the thing that keeps surprising me is how bad HSL is at the one job people reach for it to do: generating a set of colors that look evenly spaced. If you've ever built a palette by walking the hue wheel in HSL, keeping saturation and lightness fixed and stepping the hue, you've probably seen the result. The yellows and greens come out glaring, the blues and purples look dark and muddy, and the whole set feels lopsided even thou...

The page came in at 2:14 a.m., which is the only time pages ever come in. I have a theory that PagerDuty holds them in a little queue until it's certain you're in the deepest part of your sleep cycle, and then it releases them all at once, like a cat knocking a glass off a table while making eye contact. I've been doing this work for twenty-five years — long enough to have carried a literal pager at Yahoo, long enough to have learned resilience the hard way at Netflix, long enough that a 2 a.m. ...

Last time I told you to bring coffee. I did. This one didn't start at 2 a.m. — it started at 10:40 on a perfectly ordinary Tuesday, which, if anything, is worse. There's a particular kind of dread that only arrives in full daylight, when you're well-rested and caffeinated and therefore have no excuse for not understanding what's happening. And I did not understand what was happening. Welcome back to Troubleshooting Kubernetes . Today's episode is about the most unsettling category of outage ...

It all started when I became dissatisfied with my approach to deploying personal services. I decided to rewrite everything from scratch. Besides, it was an excellent opportunity to gain new skills and try out tools I hadn’t found the time for. Renting powerful VPS instances for resource-heavy tasks is unjustifiably expensive in the current climate. Meanwhile, at home, I already had a dedicated nettops (mini-PC) with 16 GB of RAM powered by an energy-efficient Intel N95 processor. Going fro...

Unlike English web fonts, Korean web fonts are notoriously heavy because they need to contain anywhere from 2,350 to 11,172 characters. Even with aggressive compression (like WOFF2 Subsets), they can heavily impact performance, causing text rendering delays (FOIT) or layout shifts (CLS) on slower networks. Inspired by modernfontstacks.com, I realized that we can build beautiful, blazing-fast web pages by smartly combining the pre-installed system fonts of major OS environments (Windows, Mac, ...

Introduction Recently I worked on a feature that revolves around expiring quotes in a multi-step fintech flow. What made this interesting was the frontend architecture behind it. State management, timing-sensitive UX, dynamic forms, and render performance all collided here, and each one forced a real design decision. Here's how I approached the trickiest parts. The snippets below are simplified examples intended to illustrate the architecture rather than production code. The P...

I Built This Because My Dad's Truck Kept Breaking Down My dad runs a small trucking company in Texas. Last year, his 2018 Kenworth T680 threw SPN 3226 FMI 0 — NOx sensor circuit failure. The dealership quoted $650. He called me: "Can you find what this code means?" I searched Google. Results: two-line blurbs on generic sites. No technical depth. No repair cost estimates. No Spanish version for his Mexican driver. That's when I realized: truck drivers need a dedicated fault code datab...

Blockchain payment systems promise transparency, speed, and lower transaction costs — but they also raise the stakes on security. A bug in a traditional backend might cause downtime. A bug in a smart contract handling real money can drain funds permanently, with no undo button. After building and auditing blockchain-based payment systems for fintech clients, here are the smart contract security lessons that mattered most. * Why Smart Contract Security Is Different * Traditional web app sec...

The guides on turva.dev describe other people's specifications, and specifications move. A sentence that says "the specification says" is true the day it ships and starts aging the day after, and no scanner will tell you when it has gone stale. So the four AI agents that read the site line by line came back for a second pass, all running Claude Fable 5, each taking one family of standards: the agent commerce stack, MCP discovery, the discovery files from agents.json to llms.txt, and the plumbi...

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Article URL: https://blog.cr.yp.to/20260706-fairness.html Comments URL: https://news.ycombinator.com/item?id=48811887 Points: 91 # Comments: 80

Hiya! So I've been playing around with having Claude make videos for a bit now even had some success posting the results to TikTok (and setup a whole pipeline so Claude can generate and post autonomously). With the release of Nano Banana 2 Lite, I was curious show fast I could make the generation, so last night I gave it a whirl and got down to around 30s for short-form video. It uses GLM-5.2 fast via Fireworks to generate the scripts and image prompts and, like I said, Nano Banana 2 Lite for th...

Article URL: https://jobs.ashbyhq.com/lago Comments URL: https://news.ycombinator.com/item?id=48814509 Points: 0 # Comments: 0

A new report suggests Netflix viewers aren’t sticking around for Season 2. The bigger issue may be that binge-watching itself is no longer the advantage it once was.

AI is coming for your cloud budget before it comes for your job. Everyone is talking about what AI will do to engineers. Nobody is talking about what AI services are doing to cloud bills right now. Every team is spinning up AI workloads. LLM endpoints; vector databases; GPU instances; embedding pipelines. All of them expensive. Most of them ungoverned. I have seen environments where AI service costs doubled in 30 days because nobody set a budget limit. No alerts. No guardrails. Just an invoic...

A simple bubble tea experiment completely changed how I think about AI recommendations. Last week, I asked ChatGPT a question that seemed almost impossible to get wrong. "What are the best bubble tea brands in my city?" Surprisingly，some of the recommended brands were companies I had never heard of before. A few weren't even available in the cities I had lived in. After asking the same question to Claude, Gemini, and DeepSeek, I noticed something interesting that many of the same bra...

Hi folks! This is Mark Tony , a fresher to this field of technology from the UG Physics background. In a way, I'm pursuing my desire which I missed during my college days. My new venture begins along with @payilagam_135383b867ea296 Where I'm doing my Full stack developer course right now. I'm excited and enthusiastic about learning and becoming a developer. Dev community kick starts my journey 😉😊

If you've ever built a scraper that worked perfectly in dev and then got blocked or CAPTCHA'd the moment it hit production traffic volume, you already know why proxy choice matters. This post breaks down residential proxies from a practical, implementation-focused angle: what they are, when to use them vs. alternatives, how to wire them into common tools, and how the major providers stack up. TL;DR Residential proxies route requests through real ISP-assigned IPs, so they're har...