小编Nav*_*air的帖子

我想使用发送网格发送群组消息.我的小组有100个成员.当我发送群组消息时,会传递50到80封消息,然后显示一个空白页面:

NetworkError: 500 Internal Server Error

我的代码是,

set_time_limit (0);
$usernames = 'username'; // Must be changed to your username
$passwords = 'password';  // Must be changed to your password
// Create new swift connection and authenticate
$transport = Swift_SmtpTransport::newInstance('smtp.sendgrid.net', 25);
$transport ->setUsername($usernames);
$transport ->setPassword($passwords);
$swift = Swift_Mailer::newInstance($transport);
// Create a message (subject)
$message = new Swift_Message($subject);
// add SMTPAPI header to the message
$headers = $message->getHeaders();
$headers->addTextHeader('X-SMTPAPI', $hdr->asJSON());
// attach the body of the email
$message->setFrom($from);
$message->setBody($html, 'text/html');
$message->setTo($to);
$message->addPart($text, …

嗨,我想排序一个表.该字段包含数字,字母和带字母的数字,即,

1
2
1a
11a
a
6a
b

我想对此进行排序,

1
1a
2
6a
11a
a
b

我的代码是,

SELECT * FROM t ORDER BY CAST(st AS SIGNED), st 

a
b
1
1a
2
6a
11a

我在这个网址中找到了这段代码

"http://www.mpopp.net/2006/06/sorting-of-numeric-values-mixed-with-alphanumeric-values/"