Python''s popularity is surging. In 2025, it achieved a record 26.14% TIOBE index rating, the highest any language has ever ...

Uncover the reasons behind the "crypto is not defined" error in Jest testing environments, explore its common causes in ...

Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Your browser does not support the audio element. Write unit tests for utils/date.ts. It sounds effortless - just ask Codex to write tests, and it will. And in most ...

Unit testing forms the foundation of reliable and maintainable code. It helps developers validate individual components in isolation, catch bugs early, and speed up the feedback loop. However, writing ...

A well-designed test can offer valuable insights into what students know, clarify where misconceptions linger, and drive future learning. But they can also leave a lot on the table. When test ...

A blowdown of the fresh steam pipelines in the turbine compartment has been completed at the first unit of the Rooppur nuclear power plant being built in Bangladesh. (Image: Rosatom) The blowdown was ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Americans can no longer order free at-home COVID-19 tests from the government through COVIDtests.gov. The suspension of the program, which has distributed over 1.8 billion COVID tests across the ...

We can use all kinds of feedback loops to detect problems in production code. For example, we can keep an eye on crash reports, bug issues from QAs and customer complaints. But that's the longest loop ...