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什么是IP地址？

威海网站建设威海域名
1692

IP地址（Internet Protocol Address）是一种用于在计算机网络中唯一表示网络设备的标识码。它由32位的二进制数字组成，其中24位表示网络号，其余8位表示主机号。网络上的每台计算机都必须拥有一个唯一的IP地址，以便其它计算机能够识别它并与它进行通讯。

Public @ 2023-03-04 13:48:10

什么是网站的实用性？

网站的实用性指的是网站的功能和内容能够满足用户的需求和期望，用户能够轻松、快速地找到想要的信息或完成特定的任务。一个实用性强的网站应该有清晰明确的导航，易于理解的页面结构和布局，丰富多样的内容和功能，良好的性能和稳定性等特点。同时，网站应该考虑用户的不同背景和需求，在设计和开发过程中注重用户体验，力求让用户感到方便和舒适。

Public @ 2023-06-10 19:00:11

FTP软件的安装及上传/下载方法

威海网站建设威海FTP
2060

FTP软件是一种用来传输文件的应用程序，它可以方便地上传和下载文件。常用的FTP软件有FileZilla、CuteFTP、WinSCP等等。以下是安装和使用FTP软件的步骤：一、安装FTP软件： 1. 在官方网站下载FTP软件的安装程序。 2. 执行安装程序，按照提示完成安装。 3. 启动FTP软件，输入FTP服务器的地址、用户名和密码。二、上传/下载文件： 1. 在FTP软件中选择上

Public @ 2023-06-06 00:50:11

如何下载域名证书？

威海网站建设威海域名
1989

登录我司会员中心，即可下载域名证书，详细步骤如下：1.登录会员中心1.png2.进入域名业务列表，查找相关注册商域名，点击证书2.png来源：景安

Public @ 2011-12-31 15:45:23

什么是静态IP地址？

威海网站建设威海域名
2845

　静态IP，也叫固定IP，是长期分配给一台计算机或网络设备使用的 IP 地址。

Public @ 2016-08-07 16:00:14

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[ DB ] CONNECT:[ UseTime:0.022747s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016400s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6263 LIMIT 1 [ RunTime:0.015484s ]
[ 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:0.015760s ]
[ 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:0.015818s ]
[ 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:0.015994s ]
[ 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` = 6263 LIMIT 1 [ RunTime:0.015340s ]
[ 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+1 where id=6263 [ RunTime:0.019072s ]
[ 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:0.022562s ]
[ 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:0.040789s ]
[ 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:0.022371s ]
[ 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:0.034124s ]
[ 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', ) ]

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