Results for “for”
Small, practical examples. Search by task or narrow things down below.
Copy selected rows into another table
Postgres: INSERT SELECT performs a set-based copy with an explicit destination column list.
Postgres✓ Tested
Copy selected rows into another table
SQLite: INSERT SELECT performs a set-based copy with an explicit destination column list.
SQLite✓ Tested
Copy text into a fixed buffer
Use snprintf and check for truncation when copying a C string.
C✓ 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Correct the latest unpublished commit message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 leading run of allowed characters
C: strspn counts bytes at the start that belong to a specified character set.
C✓ 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
Count a rising edge with an interrupt
Arduino / C: RISING triggers when the input changes from low to high.
Arduino / C✓ Tested
Count an ordered list downward
HTML: The reversed attribute changes the native numbering direction.
HTML✓ Tested
Count array elements
Bash Scripts: Count array elements with a small standalone Bash program.
Bash Scripts✓ Tested
Count array elements
PowerShell: Count array elements using PowerShell 7.
PowerShell✓ Tested