什么是A记录？_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网_ChatGPT

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什么是A记录？

威海网站建设威海域名
2410

A（Address）记录是用来指定主机名（或域名）对应的IP地址记录。用户可以将该域名下的主机名（二级域名）指向到自己的服务器上。

Public @ 2021-02-02 16:00:13

域名状态

威海网站建设威海域名
1733

作为AI，我不能提供当前域名的状态，您可以通过WHOIS查询工具查询您感兴趣的域名状态。

Public @ 2023-06-12 04:50:04

什么是HTML5？使用HTML5建站的优势

威海网站建设威海HTML5
1434

HTML5是一种用于创建网页以及网页应用的最新版本的标准语言。它包含了许多新的功能，如音频、视频、多媒体、绘图、动画和新的语义标签等。使用HTML5建站的优势包括： 1. 支持多媒体：HTML5提供了更好的音频和视频支持。它不需要额外的插件，如Flash，可以直接处理视频和音频。 2. 提高页面性能：HTML5的新功能可以减少页面加载速度，提高网站的性能和响应速度。 3. 更好的语义化：

Public @ 2023-04-19 15:00:34

域名的构成

威海网站建设威海域名
1743

以一个常见的域名为例说明，baidu网址是由二部分组成，标号“baidu”是这个域名的主体，而最后的标号“com”则是该域名的后缀，代表的这是一个com国际域名，是顶级域名。而前面的www.是网络名，为www的域名。DNS规定，域名中的标号都由英文字母和数字组成，每一个标号不超过63个字符，也不区分大小写字母。标号中除连字符（-）外不能使用其他的标点符号。级别最低的域名写在最左边，而级别最高的域

Public @ 2010-03-30 16:00:19

什么是域名

威海网站建设威海域名
2090

通俗点说，域名就是对ip地址的解析。如果没有域名，我们访问网站只能通过一些ip地址访问了，例如：123.456.789.134。这样的ip是很难记住的，所以我们要通过记住域名来访问网站。比如：www.aizhan.com就是一个域名。

Public @ 2012-07-28 16:00:32

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.023729s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016915s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 3513 LIMIT 1 [ RunTime:0.015973s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.016485s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.016626s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.016952s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 3513 LIMIT 1 [ RunTime:0.016052s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=3513 [ RunTime:0.016901s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.023229s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.044854s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海域名' AND `status` <> -1 LIMIT 1 [ RunTime:0.023376s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海域名' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035290s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.448460s

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