{"id":342955,"date":"2021-02-15T00:15:54","date_gmt":"2021-02-14T16:15:54","guid":{"rendered":"http:\/\/4563.org\/?p=342955"},"modified":"2021-02-15T00:15:54","modified_gmt":"2021-02-14T16:15:54","slug":"python-%e5%a6%82%e4%bd%95%e7%ae%80%e5%8d%95%e7%9a%84%e5%9c%a8%e5%88%97%e8%a1%a8%e8%a2%ab%e6%94%b9%e5%8f%98%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c%e7%94%9f%e6%88%90%e9%9a%8f%e6%9c%ba%e4%bd%86","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=342955","title":{"rendered":"Python \u5982\u4f55\u7b80\u5355\u7684\u5728\u5217\u8868\u88ab\u6539\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u751f\u6210\u968f\u673a\u4f46\u56fa\u5b9a\u7684\u5185\u5bb9"},"content":{"rendered":"
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Python \u5982\u4f55\u7b80\u5355\u7684\u5728\u5217\u8868\u88ab\u6539\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u751f\u6210\u968f\u673a\u4f46\u56fa\u5b9a\u7684\u5185\u5bb9 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : v2zero <\/span> <\/i> 1<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u9700\u6c42\u662f\uff0c\u5728\u7f51\u7ad9\u4e0a\u4ee5\u968f\u673a\u7684\u5339\u914d\u903b\u8f91\u6765\u5c55\u73b0\u76f8\u5173\u6587\u7ae0\u533a\u57df\u7684\u5185\u5bb9\u3002\u4e0d\u540c\u9875\u9762\u4e4b\u95f4\u9700\u8981\u5c55\u73b0\u4e0d\u540c\u7684\u5185\u5bb9\uff0c\u4f46\u540c\u4e00\u4e2a\u9875\u9762\u4e0a\u9762\uff0c\u9700\u8981\u56fa\u5b9a\u5c55\u793a\u67d0\u51e0\u6761\u5339\u914d\u5185\u5bb9\u3002<\/p>\n

\u4e00\u5f00\u59cb\u60f3\u5230\u7684\u529e\u6cd5\u662f\u901a\u8fc7 random.seed \u5b9e\u73b0\uff0c\u4f46\u53d1\u73b0\u5e76\u4e0d\u591f\u7528\u3002<\/p>\n

import random docs = [1,2,3] random.seed(1) # \u4ee5\u5f53\u524d doc_id \u4e3a seed relate_docs = random.sample(docs, 2) # [1, 3] <\/code><\/pre>\n
\u5f53 docs \u672c\u8eab\u88ab\u6539\u53d8\u65f6\uff1a<\/p>\n
docs = [1,2,3,4] random.seed(1) # \u4ee5\u5f53\u524d doc_id \u4e3a seed relate_docs = random.sample(docs, 2) # [2, 3] <\/code><\/pre>\n
\u6211\u77e5\u9053\u8fd9\u6837\u7684\u7ed3\u679c\u662f\u5408\u7406\u7684\uff0c\u4f46\u4ecd\u5e0c\u671b\u627e\u5230\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u4f7f\u5f97\u5728\u5217\u8868\u53d8\u5316\u7684\u65f6\u5019\uff0c\u8f93\u51fa\u4ecd\u7136\u4f1a\u662f\u524d\u9762\u7684[1,3]<\/p>\n
\u611f\u89c9\u4e0a\u5e94\u8be5\u6ca1\u6709\u7279\u522b\u7b80\u5355\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u4f46\u6bd5\u7adf\u76ee\u524d\u7684\u89e3\u51b3\u65b9\u6848\u7740\u5b9e\u4e0d\u7406\u60f3\u3002<\/p>\n
\u76ee\u524d\u91c7\u53d6\u7684\u51d1\u5408\u529e\u6cd5\uff0c\u662f\u6bcf\u4e00\u4e2a doc \u7684\u6570\u636e\u5e93\u6761\u76ee\u91cc\u9762\u53bb\u5199\u6b7b\u5b83\u9700\u8981\u5c55\u73b0\u7684\u968f\u673a n \u6761\u5185\u5bb9\uff0c\u8fd9\u5b9e\u5728\u662f\u592a\u4e0d\u4f18\u96c5\u3002\u73b0\u5728\u60c5\u51b5\u4e0b\uff0c\u521d\u59cb\u6570\u636e\u5165\u5e93\u3001\u589e\u91cf\u6570\u636e\u66f4\u65b0\u548c\u9875\u9762\u5c55\u73b0\u51e0\u5757\u7684\u4ee3\u7801\u90fd\u5f97\u6709\u8fd9\u4e2a\u5904\u7406\u6d41\u7a0b\uff0c\u7ed9\u7ef4\u62a4\u4e5f\u6dfb\u52a0\u4e86\u4e9b\u8bb8\u9ebb\u70e6\u3002<\/p>\n
\u6211\u4e0d\u662f\u4e13\u4e1a\u505a\u6280\u672f\u7684\uff0c\u6240\u4ee5\u95ee\u9898\u53ef\u80fd\u6bd4\u8f83\u5c0f\u767d\u3002\u5c1d\u8bd5\u641c\u7d22\u65e0\u679c\uff08\u8fd9\u4e2a\u95ee\u9898\u4e5f\u4e0d\u5bb9\u6613\u88ab\u51e0\u4e2a\u8bcd\u6765\u63cf\u8ff0\uff09\uff0c\u56e0\u6b64\u63d0\u95ee\u6c42\u6559\uff0c\u611f\u8c22\u8bf8\u4f4d\u3002<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (8<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : noqwerty <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u968f\u673a\u4f46\u56fa\u5b9a -> \u5217\u8868\u6539\u53d8\u4ecd\u7136\u5c55\u793a\u4e4b\u524d\u7684\u5185\u5bb9 -> \u65b0\u589e\u5185\u5bb9\u6c38\u8fdc\u4e0d\u88ab\u5c55\u793a -> \u6ca1\u5fc5\u8981\u65b0\u589e\u5185\u5bb9                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : JeffGe <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u6211\u7406\u89e3\u9519\u4e86\uff0c\u4f60\u7684\u9700\u6c42\u662f
    [1] -> [1]
    [1, 2] -> [1, 2]
    [1, 2, 3] -> [1, 2, 3]
    [1, 2, 3, 4] -> [1, 2, 3, 4]
    \uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : krixaar <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @JeffGe \u6211\u7406\u89e3\u7684\u9700\u6c42\u662f\u53d1\u6587\u7ae0\u7684\u65f6\u5019\u6709\u51e0\u7bc7\u6587\u7ae0\uff0c\u968f\u673a\u53ea\u80fd\u662f\u4ece\u8fd9\u51e0\u7bc7\u6587\u7ae0\u91cc\u6311\uff0c\u65e0\u8bba\u540e\u7eed\u589e\u52a0\u591a\u5c11\u6587\u7ae0\uff0c\u8fd8\u662f\u53ea\u80fd\u4ece\u8fd9\u51e0\u7bc7\u91cc\u6311\u3002\u8fd9\u6837\u7684\u8bdd\u53ef\u4ee5\u7528\u6587\u7ae0\u7684\u751f\u6210\u65f6\u95f4\u6765\u5148\u628a\u5217\u8868\u7b5b\u51fa\u6765\u518d\u968f\u673a\uff0c\u4f46\u662f\u592a\u91cd\u4e86\u3002<\/p>\n
    \u5b9e\u9645\u4e0a\uff0c\u968f\u673a\u751f\u6210\u603b\u4f1a\u5e26\u6765\u968f\u673a\u7684\u5185\u5bb9\u4e0d\u5b8c\u5168\u5408\u9002\u7684\u60c5\u51b5\uff0c\u8fd9\u6837\u603b\u4f1a\u9700\u8981\u4e00\u4e2a\u5b57\u6bb5\u6765\u624b\u5de5\u8c03\u6574\uff0c\u65e2\u7136\u6709\u8fd9\u4e2a\u8c03\u6574\u5b57\u6bb5\uff0c\u4e0d\u5982\u76f4\u63a5\u628a\u968f\u673a\u751f\u6210\u7684\u5185\u5bb9\u76f4\u63a5\u5199\u6b7b\u8fdb\u53bb\uff0c\u968f\u673a\u53ea\u7528\u53d1\u5e03\u65f6\u8ba1\u7b97\u4e00\u6b21\uff0c\u5f80\u540e\u90fd\u662f\u9759\u6001\u6570\u636e\uff0c\u5c31\u7b26\u5408\u4e86\u8fd9\u4e2a\u9700\u6c42\uff0c\u4ee3\u4ef7\u53cd\u800c\u53ea\u662f\u4e00\u70b9\u70b9\u7684\u6700\u4e0d\u503c\u94b1\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u4e3b\u611f\u89c9\u4e0d\u4f18\u96c5\u7684\u65b9\u6cd5\u53cd\u800c\u53ef\u80fd\u662f\u6700\u4f18\u96c5\u7684                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : wd <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u770b\u6837\u5b50\u9700\u8981\u7684\u662f \u8f93\u5165\u7684\u79cd\u5b50\u662f\u4e00\u6837\u7684 \u90a3\u4e48\u8f93\u51fa\u7684\u5e8f\u5217\u662f\u56fa\u5b9a\u7684 \u8fd9\u6837\u7684\u903b\u8f91\uff1f\u56e0\u4e3a\u4f60\u968f\u673a\u7684\u8303\u56f4\u662f\u53ef\u53d8\u7684\uff0c\u4f8b\u5982\u5f00\u59cb\u662f 3 \u540e\u9762\u53d8\u6210 4\uff0c\u6211\u611f\u89c9\u6ca1\u6709\u5386\u53f2\u8bb0\u5f55\u7684\u8bdd\uff0c\u4f3c\u4e4e\u4e0d\u80fd\u5b9e\u73b0\u6709\u65f6\u5019\u968f\u673a\uff0c\u6709\u65f6\u5019\u56fa\u5b9a\u7684\u9700\u6c42\u3002\u81f3\u5c11\u9700\u8981\u77e5\u9053\u672c\u6b21 sample \u6709\u51e0\u4e2a\u662f\u9700\u8981\u65b0\u968f\u673a\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : wd <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @krixaar \u540c\u610f\u3002\u6309\u7167\u76ee\u524d\u7684\u9700\u6c42\uff0c\u4f3c\u4e4e\u53ea\u662f\u9700\u8981\u5728\u7b2c\u4e00\u6b21\u5165\u5e93\u7684\u65f6\u5019\u4ea7\u751f\u968f\u673a\u62bd\u6837\uff0c\u7136\u540e\u4fdd\u5b58\u4e0b\u6765\u3002\u4ee5\u540e\u4e5f\u4e0d\u53d8\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : llsquaer <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u662f\u5b66\u6821\u6447\u53f7\u7a0b\u5e8f?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : v2sir <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u89c9\u5f97\uff0c \u4f60\u5148\u628a\u539f\u6570\u636e random\uff0c \u518d\u628a docs.append() \u65b0\u589e\u6570\u636e\u4e0d\u5c31\u884c\u4e86\uff0c\u6309\u4f60\u7684\u610f\u601d\uff0c\u4f60\u65b0\u589e\u7684\u6570\u636e\u4e5f\u968f\u673a \u4e0d\u5230\u554a\uff1f
    \u5982\u679c \u968f\u673a\u6570\u636e\u4e5f\u589e\u52a0\uff0c\u53ef\u6839\u636e\u5177\u4f53\u60c5\u51b5 \u9012\u5f52\u3001\u5faa\u73af remove\uff0crandom \u3002 \u6211\u5c31\u63d0\u4e2a\u60f3\u6cd5\u6602\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : v2sir <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e5f\u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u4f60\u7684\u9700\u6c42
    import random
    docs = [i for i in range(48)]
    random.seed(1) # \u4ee5\u5f53\u524d doc_id \u4e3a seed
    n1 = 10 
    n2 = 2
    doc2 = [docs[i:i+n1] for i in range(0,len(docs),n1) if len(docs[i:i+n1])==n1]<\/p>\n
    relate_docs = sum([random.sample(i,n2) for i in doc2],[])
    print(relate_docs)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Python \u5982\u4f55\u7b80\u5355\u7684\u5728\u5217\u8868\u88ab\u6539…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/342955"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=342955"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/342955\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=342955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=342955"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=342955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}