News
Running 100 Playwright Tests in Parallel Without Inbox Collisions
1+ hour, 1+ min ago (486+ words) If you've ever tried to run a large Playwright test suite in parallel " the kind that tests email verification flows, magic links, or password resets " you've probably hit this problem: This is the inbox collision problem. It's subtle, it's intermittent,…...
Duck DB Data Inlining, SQLite Fossildelta OOB, Postgres 19 Temporal Data
1+ hour, 37+ min ago (1344+ words) Today's Highlights Today's highlights include Duck DB's innovative data inlining for stream processing in data lakes, offering significant performance gains by eliminating the small files problem. Additionally, a critical out-of-bounds read vulnerability in SQLite's fossildelta extension and a peek into…...
Competitive Programming Series " Session 2: Recursion and Backtracking
1+ hour, 37+ min ago (826+ words) After covering the foundational building blocks in Session 1, the next step is one of the most important problem-solving techniques in all of programming: recursion. And once recursion feels comfortable, it unlocks a powerful search strategy called backtracking. These two concepts…...
Top 8 Flask alternatives: Key features and pricing
2+ hour, 54+ min ago (1580+ words) Flask is a lightweight Python web framework used for APIs, prototypes, small web applications, and projects where developers want full control over routing, databases, authentication, and other components. Flask alternatives are worth considering when projects benefit from built-in async capabilities,…...
Building a Resilient Instagram Scraper With Selenium " What Mimicking Human Behavior Actually Looks Like
2+ hour, 15+ min ago (284+ words) Scraping any modern social platform is less a parsing problem and more a behavioral one. The HTML is the easy part. The hard part is that the site is actively watching how you act, and the moment you act like…...
Hello DEV Community! I'm Usman Ali
2+ hour, 14+ min ago (165+ words) My name is Usman Ali, and I'm a Full Stack Website Developer with over 15 years of experience building custom websites, e Commerce stores, plugins, and web applications. Throughout my journey, I've worked on a wide range of projects, including: " Custom…...
Build a RAG Pipeline From Scratch (Production Patterns That Actually Matter)
2+ hour, 51+ min ago (602+ words) Most RAG tutorials stop at "embed your docs, do a similarity search, stuff the results in a prompt." That gets you a demo. It does not get you something that gives correct, grounded answers on real data " and the gap…...
I've built a open source PDF-To-Excel-Converter
2+ hour, 40+ min ago (323+ words) I've built a open source PDF to Excel Converter and let me tell you why! The core idea is simple: upload a PDF, pick an extraction mode, download an. xlsx. The interesting part is in the modes, because "convert a…...
When Py Mu PDF Can't See the Table: Parse PDFs for RAG with Azure Layout
5+ hour, 15+ min ago (1425+ words) Enterprise Document Intelligence [Vol. 1 #5bis] " The same relational tables. Native table cells. OCR for scanned pages and images. Captions and headings without regex. Py Mu PDF (fitz) is fast, free, and exact on clean prose. It also goes blind in three…...
The Night Logging Saved a Production System " and Why `print()` Is Not Enough
3+ hour, 21+ min ago (1443+ words) At 2: 07 AM, the payment system started failing. Not with a crash. Not with a clear error. Just" silently dropping transactions. At first, it was a trickle. Then retries. Then support tickets. Then alerts. Within minutes, revenue was bleeding. The system…...