debugging

Diagnose and fix identical accuracy, F1, AUC metrics across VGG16, ResNet50, DenseNet121 in TensorFlow Keras on medical imaging datasets. Check metric state, tf.data caching, preprocessing issues.

Resolve Python ModuleNotFoundError when importing modules in VS Code after pip install. Learn common causes like wrong interpreter, unactivated virtual environment, name collisions, and step-by-step fixes including selecting the correct Python interpreter and using python -m pip.

Debug Laravel + React (InertiaJS) app stalling after ~30KB load on hosters like aeza. Fix PHP-FPM timeouts, Nginx proxy issues, output buffering, chunked transfer, and network stalls with logs and traces.

Resolve 'java.security.cert.CertPathValidatorException: Trust anchor for certification path not found' in Android Studio. Configure network security for dev servers, custom TrustManager, and workarounds when backend changes aren't possible.

Resolve 'Cannot create symlink: Permission denied' in Python tarfile when extracting archives with dereference=False. Workarounds using custom extractor, GNU tar fallback, and debugging tips for symlinks.

Troubleshoot React Native Android app crashes when accessing DevTools. Solutions for Metro connectivity, debug mode, and emulator configuration issues.

Learn to create a VS Code workspace with global toolchains for AVR/STM32, PlatformIO extensions, and project-specific .vscode settings for tasks.json, launch.json, and debugging with Cortex-Debug.