"Learn why We benchmarked the leading AI code review tools against 118 real-world runtime bugs from 45 open-source repos, across 8 languages. Macroscope dominated-catching more bugs with fewer false positives-especially in Python. Real Python is enrolling new cohorts for two instructor-led courses: Online Python training created by a community of experts. Give your team the Writing DataFrame-Agnostic Python Code With Narwhals If you're a Python library developer looking to write DataFrame-agnostic code, this tutorial will show how the Narwhals library could give you a solution."
"Eliminate Flaky Tests in Selenium time.sleep() and WebDriverWait aren't enough when testing with Selenium and what to do about race conditions caused by UI state changes DHIRAJ DAS * Shared by Dhiraj Which Code Review Tool Catches the Most Python Bugs Check out our benchmark results → MACROSCOPE sponsor A Testing Conundrum Ned presents a useful class that is hard to test thoroughly and his failed attempt to use Hypothesis to do it."
"Moving Towards Spec-Driven Development What are the advantages of spec-driven development compared to vibe coding with an LLM? Are these recent trends a move toward declarative programming? This week on the show, Marc Brooker, VP and Distinguished Engineer at AWS, joins us to discuss specification-driven development and Kiro. A common pattern used when migrating from one system to another at scale is "tap compare" or "shadow testing"."
Benchmarks compared leading AI code review tools against 118 real-world runtime bugs from 45 open-source repositories across eight languages. Macroscope detected the most bugs while producing fewer false positives, with especially strong performance on Python. Real Python is enrolling new cohorts for two instructor-led online Python courses taught by a community of experts. The Narwhals library offers techniques for writing DataFrame-agnostic Python code for library developers. Selenium tests remain vulnerable to race conditions; time.sleep() and WebDriverWait are often insufficient. A testing conundrum shows a class difficult to test and a failed Hypothesis attempt. Python 3.15.0 Alpha 3 was released, and DjangoCon US 2026 opened a call for proposals.
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