Lập Trình .NET

    public bool IsAlphanumeric(string input)
    {
        foreach (char c in input)
        {
            if (!char.IsLetterOrDigit(c))
            {
                return false;
            }
        }
        return true;
    }

    public bool IsAlphanumeric(string input)
    {
        var regex = new Regex("^[a-zA-Z0-9]*$");
        return regex.IsMatch(input);
    }

https://learn.microsoft.com/en-us/ef/core/saving/transactions#savepoints

https://github.com/dotnet/efcore/issues/23269

https://stackoverflow.com/questions/65990565/how-to-prevent-ef-core-5-from-creating-a-savepoint-when-saving

https://www.rabbitmq.com/docs/consumers#acknowledgement-timeout

https://stackoverflow.com/questions/42003640/how-to-configure-rabbitmq-config-inside-docker-containers

SELECT 
	DB_NAME(req.database_id) as db_name
	,sqltext.text
    ,req.session_id
    ,req.status
    ,req.command
	,req.start_time
    ,req.cpu_time
    ,req.total_elapsed_time
	,queryplan.query_plan
	,c.client_net_address
	,s.login_name
	,s.login_time
	,s.program_name
	,s.host_name
	,s.host_process_id
	,s.client_interface_name
	,s.client_version
	--,req.*
	--,c.*
	--,s.*
FROM sys.dm_exec_requests req
JOIN sys.dm_exec_connections c on req.connection_id = c.connection_id
JOIN sys.dm_exec_sessions s on req.session_id = s.session_id
CROSS APPLY sys.dm_exec_sql_text(sql_handle) AS sqltext
CROSS APPLY sys.dm_exec_query_plan(req.plan_handle) as queryplan

declare @dateTime datetime2 = SYSDATETIME()
declare @dateTimeOffset datetimeoffset = SYSDATETIMEOFFSET()
 
select @dateTime as [CurrentDateTime],
@dateTimeOffset as [CurrentDateTimeOffset],
CAST(@dateTimeOffset as datetime2) as [DateTime1]


select CAST('2023-04-19 15:32:31.2721255 +07:00' as datetime2) -- Output: 2023-04-19 15:32:31.2721255
select CAST('2023-04-19 15:32:31.2721255 +08:00' as datetime2) -- Output: 2023-04-19 15:32:31.2721255

select SWITCHOFFSET('2023-04-19 15:32:31.2721255 +07:00', '+01:00') -- Output: 2023-04-19 09:32:31.2721255 +01:00
select SWITCHOFFSET('2023-04-19 15:32:31.2721255 +08:00', '+01:00') -- Output: 2023-04-19 08:32:31.2721255 +01:00

select CAST(SWITCHOFFSET('2023-04-19 15:32:31.2721255 +07:00', '+01:00') as datetime2) -- Output: 2023-04-19 09:32:31.2721255
select CAST(SWITCHOFFSET('2023-04-19 15:32:31.2721255 +08:00', '+01:00') as datetime2) -- Output: 2023-04-19 08:32:31.2721255