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Results for “ps”

Small, practical examples. Search by task or narrow things down below.

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Bash ScriptsLoops & decisions

Dispatch a command with case

Choose an action from a small set of supported commands.

case✓ Tested
PowerShellFunctions & parameter validation

Dispatch values with wildcard patterns

PowerShell: Switch -Wildcard interprets shell-style matching patterns for each clause.

PowerShell✓ Tested
PostgresGetting Started

Display a fallback for missing data

Postgres: Return a supplied label when a column contains NULL.

Postgres✓ Tested
PowerShellFile operations & integrity

Distinguish a file from a directory

PowerShell: Test-Path can constrain the kind of item that is accepted.

PowerShell✓ Tested
SQLReporting & grouped calculations

Distinguish row count from non-null value count

SQL: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Distinguish row count from non-null value count

SQL Server: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQL Server✓ Tested
PostgresReporting & grouped calculations

Distinguish row count from non-null value count

Postgres: COUNT(*) includes every row while COUNT(column) skips NULL values.

Postgres✓ Tested
SQLiteReporting & grouped calculations

Distinguish row count from non-null value count

SQLite: COUNT(*) includes every row while COUNT(column) skips NULL values.

SQLite✓ Tested
PostgresWindow analytics

Divide an ordered result into numbered buckets

Postgres: NTILE distributes rows across buckets; include a unique tie-breaker for deterministic assignment.

Postgres✓ Tested
PowerShellStructured formats & encodings

Encode and decode UTF-8 text with Base64

PowerShell: Convert the string to bytes explicitly before Base64 encoding.

PowerShell✓ Tested
SQLConstraints & defaults

Enforce a bounded numeric range

SQL: A named CHECK constraint keeps numeric values inside an inclusive interval.

SQL✓ Tested
SQL ServerConstraints & defaults

Enforce a bounded numeric range

SQL Server: A named CHECK constraint keeps numeric values inside an inclusive interval.

SQL Server✓ Tested