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GitRestoring & revising local work

Correct the latest unpublished commit message

Git: Amend replaces the current commit while preserving its tree when no new changes are staged.

Git✓ Tested
Arduino / CDigital input & output

Count a falling edge with an interrupt

Increment a counter when an external input changes.

attachInterrupt✓ Tested
PowerShellArray operations

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
PowerShellGetting Started

Count array elements

PowerShell: Count array elements using PowerShell 7.

PowerShell✓ Tested
PowerShellDates & numeric validation

Count days between calendar dates

PowerShell: Parse an unambiguous format before subtracting date values.

PowerShell✓ Tested
JavaDates & time zones

Count days between two dates

Java: Use ChronoUnit.DAYS for an elapsed count rather than a Period day component.

Java✓ Tested
JavaScriptUTC date operations

Count days between UTC-midnight dates

JavaScript: A day is exactly 86400000 milliseconds for these explicitly UTC-midnight inputs.

JavaScript✓ Tested
TypeScriptUTC date operations

Count days between UTC-midnight dates

TypeScript: A day is exactly 86400000 milliseconds for these explicitly UTC-midnight inputs.

TypeScript✓ Tested
SQLReporting & grouped calculations

Count distinct values within a result

SQL: COUNT DISTINCT counts distinct non-null values.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Count distinct values within a result

SQL Server: COUNT DISTINCT counts distinct non-null values.

SQL Server✓ Tested
PostgresReporting & grouped calculations

Count distinct values within a result

Postgres: COUNT DISTINCT counts distinct non-null values.

Postgres✓ Tested
SQLiteReporting & grouped calculations

Count distinct values within a result

SQLite: COUNT DISTINCT counts distinct non-null values.

SQLite✓ Tested