Victor Magallanes at IT Solutions Network·1h agoPaginate a Postgres Table in FastAPI: Offset Took 139 ms at Page 49,501, Keyset Took 4 ms (Tested…When 20 new rows arrived between page fetches, offset pagination returned 380 duplicates and missed 380 rows. Keyset returned neither. And…
Victor Magallanes at IT Solutions Network·2h agoUsing Claude to Query Postgres JSONB: 4 Traps That Return the Wrong Rows Without an Error“amount greater than 9” returned zero rows, though three rows qualified. And three ways of counting “has a note” gave 1, 2 and 2 on the…
Web Mavens·3h agoWhy eval() Is Not a Sandbox: Building a Restricted Expression Evaluator in PythonImagine building a calculator inside a Python application. Users enter mathematical expressions, and the application calculates the…
Daily Python·3h agoYour Python Type Hints Are Lying to You — Here's What They're Not Telling YouPython type hints improve readability and catch mistakes, but they don’t enforce types at runtime. Here’s what every Python developer…
InPython in Plain EnglishbyTharunbalaji·3h agoAn LLM API Is Not Just Another REST APIThe first LLM call I ever made took four lines of Python, and I was smug about it.
InPython in Plain EnglishbyKiran Grewal·4h agoasync Won't Make Your Python Code Faster (and When It Will)I ran four small experiments to find out what async really changes, and what it doesn’t. The results are not what the hype suggests.
InPython in Plain EnglishbyMansheh·5h ago9 Python Libraries That Make Web Scraping Easier in 2026Handle dynamic websites, browser automation, extraction, and messy HTML.
InTowards AWSbyIfeanyi Ogbuehi·5h ago8 Hidden Advantage (and Trap) of Every Major Programming LanguageThe real mistake is picking a programming language by hype or trying to learn five at once. The right move is to pick the one that matches…