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@Thepracticaldev

A constructive and inclusive social network for software developers. With you every step of your journey.

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News

DEV Community
dev.to > c1-anderson > where-second-hand-price-data-actually-comes-from-every-source-i-tried-measured-416b

Where second-hand price data actually comes from: every source I tried, measured

4+ day, 8+ hour ago   (1009+ words) I needed to answer one question automatically: what is this second-hand thing worth? Not "what are people asking" — what did one actually sell for, recently, with a date attached. That turns out to be one of the most locked-down pieces…...

DEV Community
dev.to > frorning > the-browser-only-talks-to-one-server-composing-marko-react-and-riot-into-one-hotel-page-3355

The browser only talks to one server — composing Marko, React, and Riot into one hotel page

6+ day, 9+ hour ago   (804+ words) You open a hotel page. It looks like one product: a search grid, a featured stay, local highlights, reviews, a sticky trip summary. Under the hood it is eight HTTP servers and three UI runtimes. That is the experiment behind…...

DEV Community
dev.to > goran2324 > build-a-sports-app-with-nextjs-and-a-sports-data-api-3clp

Build a Sports App with Next.js and Sportmicro

1+ week, 4+ day ago   (1166+ words) I started this project from a familiar problem: sports apps look simple at first, but they rarely stay simple. The moment you need leagues, fixtures, live scores, standings, teams, and player data in one place, the code can get scattered…...

DEV Community
dev.to > rebaiahmed > i-open-sourced-kleinanzeigens-full-category-tree-634-categories-no-api-existed-1e73

I open-sourced Kleinanzeigen's full category tree (634 categories, no API existed) 🗂️

1+ week, 4+ day ago   (256+ words) Kleinanzeigen.de — Germany's biggest classifieds site — has no public API and no category reference. While building AnzeigenBoost, I had to reverse-engineer the full category tree directly from their listing form: 15 top-level, 143 second-level, 476 third-level categories, with numeric IDs for L1/L2 and slug…...

DEV Community
dev.to > mikhailnikitenkov > building-a-public-coupon-quality-crawler-that-fails-closed-kip

Building a public coupon-quality crawler that fails closed

1+ week, 6+ day ago   (810+ words) Coupon data has an awkward property: most defects look plausible. An expired offer can still have polished copy. A publisher instruction can look like shopper-facing terms. The same offer can appear on two localized pages with different text. A code…...

DEV Community
dev.to > designbytk > my-car-had-a-check-engine-light-my-code-has-consolelog-3g0n

My Car Had a Check Engine Light. My Code Has console.log().

2+ week, 4+ day ago   (1043+ words) A few weeks ago, the check engine light came on in my 2007 SUV. I plugged in an OBD scanner and got P003F: “Intake Camshaft Profile Control Stuck On, Bank 2.” Sounded menacing enough… Basically, I had a bug. What finally made the…...

DEV Community
dev.to > priyasundaram > that-category-sidebar-on-every-shopping-site-you-can-build-it-in-pure-python-49n6

That category sidebar on every shopping site? You can build it in pure Python

2+ week, 4+ day ago   (238+ words) I'm Priya Sundaram, the current maintainer of whoosh3 — the actively-maintained fork of the pure-Python Whoosh full-text search library. Every snippet below is verified against the current release (3.48.0). You don't. If your catalog is a few thousand rows, you can build the…...

DEV Community
dev.to > dubaguntla_charansai_e70 > building-a-trip-planner-with-vanilla-js-and-json-how-i-structured-travel-syncs-data-57b0

Building a Trip Planner with Vanilla JS and JSON: How I Structured Travel Sync's Data

3+ week, 9+ hour ago   (416+ words) Not every project needs a database and a backend framework. When I built Travel Sync, a trip planning and itinerary management web app, I used plain HTML, CSS, and JavaScript with JSON for data — no backend, no build tools. Here's…...