Results for “open file”
Small, practical examples. Search by task or narrow things down below.
Convert Unix time to a timestamp
Interpret a seconds-since-epoch value as UTC.
unixepoch✓ Tested
Copy a flash string into a bounded RAM buffer
Arduino / C: strncpy_P reads from program memory into ordinary RAM.
Arduino / C✓ Tested
Copy a multibyte interrupt-owned counter atomically
Arduino / C: ATOMIC_RESTORESTATE restores the interrupt state after reading a shared value.
Arduino / C✓ Tested
Copy a range without changing the source
JavaScript: Array.slice returns a shallow copy of the selected half-open range.
JavaScript✓ Tested
Copy a range without changing the source
TypeScript: Array.slice returns a shallow copy of the selected half-open range.
TypeScript✓ Tested
Copy a slice without sharing storage
Copy a slice without sharing storage using a complete Go program with explicit sample inputs.
Go✓ Tested
Copy a string with a guaranteed terminator
Arduino / C: Reserve one character for the terminator when copying a bounded string.
Arduino / C✓ Tested
Copy entries into another map
Copy entries into another map using a complete Go program with explicit sample inputs.
Go✓ Tested
Correct the latest unpublished commit message
Git: Amend replaces the current commit while preserving its tree when no new changes are staged.
Git✓ Tested
Count a button’s falling edge in the main loop
Arduino / C: Compare each reading with the previous state to detect transitions.
Arduino / C✓ Tested
Count a falling edge with an interrupt
Increment a counter when an external input changes.
attachInterrupt✓ Tested
Count a result even when it is empty or has one item
PowerShell: Wrap pipeline results in an array subexpression for consistent Count behavior.
PowerShell✓ Tested