C# Portal | Программирование

void PrintFirst(ReadOnlySpan<int> values)
{
    Console.WriteLine(values[0]);
}

int[] numbers = [10, 20, 30];
PrintFirst(numbers);

if (customer is not null)
{
    customer.Order = GetCurrentOrder();
}

customer?.Order = GetCurrentOrder();

shared_preload_libraries = 'pg_stat_statements, ...'
pg_stat_statements.track = top

CREATE EXTENSION IF NOT EXISTS pg_stat_statements;

SELECT
round(total_exec_time::numeric, 1) AS total_ms,
calls,
round(mean_exec_time::numeric, 2) AS mean_ms,
rows,
query
FROM pg_stat_statements
ORDER BY total_exec_time DESC
LIMIT 20;

SELECT pg_stat_statements_reset();