Original Technical Advisory & Research published on DevOmniTools Security Research. Vulnerability Context & Overview On 2026-10-23T22:16:44Z, the security advisory CVE-2026-109461 disclosed a critical token and…
A date that shows up as the day before is one of the most common small bugs in front-end code. Here is a one-minute check you can run in any console. The check const a = new Date("2026-10-25"); // date-only string const…
Basically, I was revising JavaScript fundamentals. While doing that, I had a curious thought that led me to write content on it. And this is a common topic roaming all over the internet. ## Demo Data const users = [ {…
Every slicer has a moment where it pops up "this model has errors" and offers to fix them. Most of the time you click yes, the print comes out fine, and you never think about it again. But when the auto-fix guesses…
A practical debugging rehearsal: trace one request, isolate the mistake, and prove the repair without rewriting everything. You prepare to build a solution from an empty editor. Then you open the interview project and…
I run a small browser-based file converter, and for a while my PNG compressor had a quiet bug: it did not compress anything. The code looked reasonable: canvas.toBlob((blob) => resolve(blob), 'image/png', 0.8); Draw the…
Merhaba geliştirici ve teknoloji topluluğu! 👋 Son aylarda tarayıcı üzerinde sürekli sekme değiştirmeden, doğrudan bulunduğunuz sayfanın canlı DOM yapısını analiz edip çalışan 24 farklı üretkenlik, geliştirici ve yapay…
I spent a day shipping a small rhythm game: fireflies fall down four lanes, you tap them on the beat, combo builds, a fox head peeks up from the bottom of the screen and perks its ears when you land a catch. The version…
If you’ve worked with Next.js API routes, you know how quickly they can get bloated and hard to maintain. Constantly checking for req.method === 'POST', wrapping everything in repetitive try/catch blocks, and handling…
Matita is a set of pencil-style icons for the web, drawn by code. Lines run a little past their ends, box corners cross, circles overlap where the pen closes. 0.4.0 is out today: 60 new icons (200 to 260) and a new…
Why a small rounding error matters Try this in your browser console or Node.js: console.log(0.1 + 0.2); // 0.30000000000000004 This is expected behavior, not a JavaScript bug. The Number type uses IEEE 754 binary…
This is the fifth post in a series I'm writing as I learn JavaScript. By now this series has a running theme: I learn a rule, then I find something that seems to break it, and chasing down why teaches me more than the…
Disclosure: I publish the Apify actor used below (pennydata/website-contact-extractor) and earn a fee when it runs. This post was written with AI assistance (Claude). Prices are copied from the public Apify Store API on…
On Thursday I told the person I work for that four videos had gone out and none had failed. An hour later the same script said six of them never went out. Both runs were minutes apart, the same code, the same data. The…
Why an AI‑Powered Podcast? Podcasts have exploded in popularity, but producing them is still a manual, time‑consuming process. You have to write a script, record the audio, edit out mistakes, and finally publish the…
Disclosure: I run the Apify actor used below (pennydata/bulk-email-validator-no-smtp), and this post was written with AI help. It is a how-to for cleaning an email list without opening a single SMTP connection. What it…
Every follower tracker answers its questions with set operations, whether it admits it or not. When we built the historical comparison in Follower Change, the engineering turned out to be the easy part — a few set…
I’ve been building ReplayLens, a project around AI agent quality and regression reporting. That got me interested in an engineering question: how do we make complex technical systems easier to understand when something…
Programmatic pages are easy to ship and hard to audit. You write one template, feed it a list, and get a directory of HTML files. Nothing errors. Every page renders. The nav works, the sitemap validates, and the whole…
We've launched a new free challenge: a gamer sign-up form. You'll build the sign-up screen for NEONCORE, a competitive-gaming network where players register as "operators" with a callsign. It's a junior-level project…