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面包屑导航(BreadcrumbNavigation)

这个概念来自童话故事”汉赛尔和格莱特”，当汉赛尔和格莱特穿过森林时，不小心迷路了，可是他们发现在沿途走过的当地都撒下了面包屑，让这些面包屑来协助他们找到回家的路。所以，面包屑导航的效果是通知拜访者他们现在在网站中的方位以及怎么回来。

Public @ 2011-05-05 15:26:27

蜘蛛程序圈套（spidertrap）

蜘蛛程序圈套（spidertrap）是一种设计用于防止网络爬虫的技术。它的目的是防止大量的自动访问破坏网站的性能和可用性，同时也可以保护网站的信息和访问者的隐私。蜘蛛程序圈套通常是由一系列链接组成的网页，它会不断向爬虫程序提供各种信息，导致程序无法停止地继续跟进链接而进入死循环。通过这种方式，蜘蛛程序被‘圈套’在了这个网页中，无法继续访问其他网页。当爬虫程序被困在蜘蛛程序圈套中时，它们会产

Public @ 2023-05-27 16:50:18

相关性（relevance）

威海seo术语威海相关性
4251

一个天然查找与查找恳求相关的程度，一个有极高相关性的匹配是对那个查找恳求排名榜首的候选成果，查找引擎一般运用相关性排名算法，来展现查找成果，相关性排名算法运用多种要素，包含匹配查找恳求内容所在网页的方位，网页的权威性（依据链接剖析），查找恳求中的词语在网页上互相的挨近程度，以及更多其他的。

Public @ 2011-08-22 15:51:37

面包屑导航(BreadcrumbNavigation)

这个概念来自童话故事”汉赛尔和格莱特”，当汉赛尔和格莱特穿过森林时，不小心迷路了，可是他们发现在沿途走过的当地都撒下了面包屑，让这些面包屑来协助他们找到回家的路。所以，面包屑导航的效果是通知拜访者他们现在在网站中的方位以及怎么回来。

Public @ 2011-05-05 15:26:27

面包屑导航的原理与作用

面包屑导航是一种网站或应用程序的导航方式，它通过在页面上显示当前位置和历史路径，帮助用户快速理解网站结构和内容，并方便用户回到之前访问的页面。面包屑导航通常出现在页面的顶部或侧边，在用户浏览网站时一直存在。它的原理是在用户进入每个页面时，记录下之前访问的路径和页面层级关系，然后将这些信息用面包屑导航的形式展示给用户。面包屑导航的作用主要有以下几点： 1. 帮助用户了解网站结构：通过显示当前页

Public @ 2023-06-07 01:50:15

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.025627s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018918s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 686 LIMIT 1 [ RunTime:0.017173s ]
[ 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:0.017441s ]
[ 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:0.017674s ]
[ 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:0.017727s ]
[ 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` = 686 LIMIT 1 [ RunTime:0.017092s ]
[ 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=686 [ RunTime:0.020284s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 LIMIT 1 [ RunTime:0.023718s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036938s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海面包屑导航' AND `status` <> -1 LIMIT 1 [ RunTime:0.024229s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海面包屑导航' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036724s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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