NeuroAnswers

Learn javascript delete operator, Reflect.deleteProperty, object rest/spread to remove properties. Examples for js delete object, js delete object property, js object delete key without mutating.

Learn what metaclasses are in Python, how they work as the class of a class, and their uses like automatic registries, ORM mapping, and framework enforcement. Examples included.

Learn what stack and heap are in programming, their physical location in computer memory, differences in management by OS or runtime, sizes, scope, and why stack is faster. Detailed guide with examples.

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.

Resolve pip uninstall error for databricks-dlt in Databricks: 'No input was expected ($PIP_NO_INPUT set)'. Use %pip uninstall -y databricks-dlt, restart Python with dbutils.library.restartPython(), and handle cluster libraries.

iOS 26 UISlider .valueChanged event is blank, event.allTouches nil preventing phase detection (.began, .moved, .ended). Fixes: use touch events (.touchDown, .touchUpInside) or subclass UISlider overriding tracking methods.

Java compound assignment operators (+=, -=, *=, /=) implicitly cast the promoted result back to the left-hand type, so i += j compiles without an explicit cast.

Understand the difference between px, dp (dip), and sp units in Android UI development. Learn when to use android dp for layouts, android sp for text, and px for pixels, with conversion formulas and best practices.

Learn how to undo the most recent local commits in Git using git reset (--soft, --mixed, --hard) or git revert. Step-by-step fixes for wrong files, recovery with reflog, and when to avoid rewriting history. No push needed.