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TF-IDF分詞加權(quán)算法有用嗎？

ChatGPT 3 類型 : 威海seo問答標(biāo)簽 : 威海seo問答
1151

  TF-IDF分詞加權(quán)算法有用嗎？

整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容及代碼片段有且僅有借鑒意義。

  

TF-IDF分詞加權(quán)算法是一種文本處理技術(shù)，是根據(jù)文檔的大小，詞頻和文檔的頻率來給詞語加權(quán)。對(duì)文本內(nèi)容的理解和分析有很大幫助，所以是有用的。

Public @ 2023-02-24 12:24:01 整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容有且僅有借鑒意義。

URL結(jié)尾帶斜杠和不帶斜杠的區(qū)別在于： 1. 帶斜杠：表示這是一個(gè)目錄，服務(wù)器會(huì)返回該目錄下的默認(rèn)頁面。 2. 不帶斜杠：表示這是一個(gè)文件，服務(wù)器會(huì)直接返回該文件。例如，對(duì)于URL "http://www.example.com/home/"，如果在結(jié)尾加上斜杠，服務(wù)器會(huì)返回該目錄下的默認(rèn)頁面，比如index.html；而如果不加斜杠，服務(wù)器會(huì)認(rèn)為是一個(gè)文件，直接返回該文件。但需要注意

Public @ 2023-04-09 00:00:44

速度如此重要為何貴站不備案，以至于打開速度如此之慢？

威海seo問答威海seo問答
2422

我是一個(gè) AI 語言模型，無法回答這個(gè)問題。但是，備案和網(wǎng)站速度之間并沒有必然的聯(lián)系。站點(diǎn)速度可以受到多種因素的影響，包括主機(jī)服務(wù)商、網(wǎng)站設(shè)計(jì)和優(yōu)化、內(nèi)容交付網(wǎng)絡(luò)（CDN）等。備案只是在中國大陸運(yùn)行網(wǎng)站的法定要求，但它與網(wǎng)站速度并沒有直接關(guān)系。

Public @ 2023-04-08 04:50:10

采集的網(wǎng)站是不是沒有任何出路呢

威海seo問答威海seo問答
2416

李家成提問于 3年之前老師啊，今年花了三個(gè)月時(shí)間做了一個(gè)小說網(wǎng)站，內(nèi)容全部是采集其它小說站的，現(xiàn)在網(wǎng)站上線一個(gè)月了，每天訪客不到5個(gè)，現(xiàn)在網(wǎng)站內(nèi)容頁都有3w多個(gè)頁面了，采集的網(wǎng)站是不是沒有出路呢2 個(gè)回答Zac 管理員回答于 3年之前正規(guī)地說，采集站當(dāng)然是不應(yīng)該提倡的。采集站的內(nèi)容說好聽點(diǎn)，是沒什么意義的內(nèi)容，說不客氣點(diǎn)就是垃圾內(nèi)容。網(wǎng)上垃圾已經(jīng)太多了，少制造垃圾比較好。具體到每個(gè)網(wǎng)站，

Public @ 2021-01-27 15:52:37

一個(gè)網(wǎng)站PC和移動(dòng)雙主題展現(xiàn)算不算作弊

威海seo問答威海seo問答
1952

作弊一般指通過非法手段獲得不當(dāng)利益，而一個(gè)網(wǎng)站PC和移動(dòng)雙主題展現(xiàn)并不屬于作弊。這種設(shè)計(jì)是為了更好地適應(yīng)不同終端用戶的使用習(xí)慣和體驗(yàn)需求，提高網(wǎng)站的用戶體驗(yàn)，也有利于網(wǎng)站的推廣和流量增長。因此，PC和移動(dòng)雙主題展現(xiàn)并不算作弊。

Public @ 2023-04-07 15:00:17

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.028757s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_chatgpt` [ RunTime:0.019999s ]
[ SQL ] SELECT * FROM `ob_chatgpt` WHERE `id` = 222 LIMIT 1 [ RunTime:0.019245s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_chatgpt', '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:0.020004s ]
[ 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:0.019822s ]
[ 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:0.020395s ]
[ 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_chatgpt` WHERE `id` = 222 LIMIT 1 [ RunTime:0.019210s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_chatgpt', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_chatgpt` set views=views+1 where id=222 [ RunTime:0.019267s ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020346s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo問答' AND `status` <> -1 LIMIT 1 [ RunTime:0.026429s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo問答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.044320s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海seo問答' AND `status` <> -1 LIMIT 1 [ RunTime:0.026550s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海seo問答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.040927s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.531600s

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TF-IDF分詞加權(quán)算法有用嗎？

URL結(jié)尾帶不帶斜杠/的區(qū)別

速度如此重要為何貴站不備案，以至于打開速度如此之慢？

采集的網(wǎng)站是不是沒有任何出路呢

一個(gè)網(wǎng)站PC和移動(dòng)雙主題展現(xiàn)算不算作弊

更多您感興趣的搜索

国产成人精品999视频&日本一区二区亚洲人妻精品&久久久精品国产99久久精&99热这里只有成人精品国产&精品国产剧情av一区二区&成人亚洲精品久久久久app&国产精品美女高潮抽搐A片

Categories

Tags

TF-IDF分詞加權(quán)算法有用嗎？

URL結(jié)尾帶不帶斜杠/的區(qū)別

速度如此重要為何貴站不備案，以至于打開速度如此之慢？

采集的網(wǎng)站是不是沒有任何出路呢

一個(gè)網(wǎng)站PC和移動(dòng)雙主題展現(xiàn)算不算作弊

更多您感興趣的搜索

速度如此重要為何貴站不備案，以至于打開速度如此之慢？