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37+ min ago  (679+ words) I'm a solo dev who spent the last 6 months building a sports card scanner app from scratch. Along the way I hit an interesting problem: every existing scanner on the market gives different prices for the same card, and almost…...

36+ min ago  (642+ words) Next. js gives you a fast site almost for free. The framework does a lot of heavy lifting out of the box, which is exactly why most performance problems aren't dramatic. There's no error, nothing crashes. Your Lighthouse score just…...

21+ min ago  (826+ words) How I used Gemini in Save the Sun: it reads players' plain-language questions and plays a Norse wolf tuned to lose like a kid'never to cheat. DEV June Game Jam 2026 entry. Tagged with devchallenge, gamechallenge, gamedev, gemini....

23+ min ago  (20+ words) In the previous article, we saw how we automated several manual pieces when training a neural. .. Tagged with ai, machinelearning....

28+ min ago  (226+ words) If you write code in 2026, you've had this argument: Cursor, Git Hub Copilot, or Windsurf? They look similar on the surface, but they're built on genuinely different philosophies " and picking the wrong one means fighting your editor instead of shipping....

28+ min ago  (905+ words) Most engineers first encounter feature flags as a simple abstraction: a key-value lookup that returns true or false. That mental model works fine for a single service handling a few hundred requests per minute. It becomes actively dangerous at scale....

28+ min ago  (134+ words) As developers, we have the opportunity to build technology that not only solves problems but also creates awareness about important global challenges. This project was a great experience in combining technology, user experience, and sustainability into a single application. " Carbon…...

4+ hour, 22+ min ago  (225+ words) MILAN, June 20 (Reuters) " Dolce & Gabbana drew on Sicily, one of the Italian fashion house's key sources of inspiration, for its summer "2027 men's collection, presenting a wardrobe of "light fabrics and rich accessories. The collection, titled "Vacanze Siciliane" (Sicilian Holidays), was…...

39+ min ago  (6+ words) . .. Tagged with algorithms, interview, java, tutorial....

39+ min ago  (179+ words) Given a row-wise sorted matrix of size N " M, find the median of the matrix. The matrix contains an odd number of elements. In an interview, you can explain it like this: Since every row is sorted, one straightforward approach…...