{"id":124355,"date":"2020-06-24T08:20:58","date_gmt":"2020-06-24T00:20:58","guid":{"rendered":"http:\/\/4563.org\/?p=124355"},"modified":"2020-06-24T08:20:58","modified_gmt":"2020-06-24T00:20:58","slug":"%e9%97%ae%e4%b8%aa-python-%e6%80%a7%e8%83%bd%e7%9b%b8%e5%85%b3%e7%9a%84","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=124355","title":{"rendered":"\u95ee\u4e2a Python \u6027\u80fd\u76f8\u5173\u7684"},"content":{"rendered":"
\n
\n
\n

\u95ee\u4e2a Python \u6027\u80fd\u76f8\u5173\u7684 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : zckun <\/span> <\/i> 3<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6709\u5f88\u591a\u4e2a\u5b66\u6821\uff0c\u5177\u4f53\u5c31\u5148\u7528\u4e00\u5343\u4e07\u5427\uff0c\u6bcf\u4e2a\u5b66\u6821\u6709\u5f88\u591a\u4e2a\u73ed\u7ea7\uff0c\u6bcf\u4e2a\u73ed\u6709\u5f88\u591a\u7ec4\u7537\u5973\u751f(\u7537\u5973\u6210\u5bf9\u51fa\u73b0\uff0c\u7537\u5973\u751f\u6570\u91cf\u76f8\u7b49)\u3002<\/p>\n

\u73b0\u5728\u8981\u6c42\u6bcf\u4e2a\u73ed\u91cc\u7684\u7537\u5973\u751f\u7684\u67d0\u4e2a\u5dee\uff0c\u6bd4\u5982\u8eab\u9ad8\u3001\u5e74\u9f84\uff0c\u53ea\u9700\u8981\u77e5\u9053\u8fd9\u91cc\u4f1a\u6709\u70b9\u8017\u65f6\uff0c\u6700\u540e\u6309\u73ed\u7ea7\u5427\u7ed3\u679c\u8f93\u51fa\u5230\u6587\u4ef6<\/p>\n

\u8981\u6c42\u7528 python \u5b9e\u73b0\uff0c\u5bf9\u901f\u5ea6\u6709\u8981\u6c42<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (23<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wuwukai007 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    pandas <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : HashV2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u91cc\u6027\u80fd\u5e94\u8be5\u662f sql \u76f8\u5173\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jackeriss <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u662f\u7b97\u6cd5\u9898\u8fd8\u662f\u4ec0\u4e48\uff1f\u597d\u5947\u602a\u7684\u9700\u6c42 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : BBrother <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7528 numpy \u548c numba \u6765\u5b9e\u73b0\uff0c\u4f46\u662f\u6211\u6ca1\u81ea\u5df1\u8bd5\u8fc7 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : sss495088732 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    from aioelasticsearch import Elasticsearch
    0.0 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Hstar <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ece\u9898\u76ee\u770b\uff0c \u5b66\u6821\u6570\u636e\u6beb\u65e0\u610f\u4e49\uff0c\u53cd\u6b63\u662f\u6309\u73ed\u7ea7 group by
    \u9898\u5e72\u4e5f\u4e0d\u662f\u5f88\u6e05\u6670\uff0c\u5b9e\u9645\u9047\u5230\u8fd9\u79cd\u5343\u4e07~\u4ebf\u7ea7\u7684\u6570\u636e\u5c31\u662f\u76f4\u63a5\u4e22\u8fdb es\uff0c\u548c python \u6beb\u65e0\u5173\u7cfb <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u79bb\u5f00 Python \u597d\u7403\u533a\u4e86\u3002\u5982\u679c\u4f60\u91c7\u7528\u5faa\u73af\u8bfb\u4e00\u4e2a\u5904\u7406\u4e00\u4e2a\u7684\u65b9\u5f0f\u7684\u8bdd\uff0c\u6548\u7387\u592a\u4f4e\u4e86\uff0c\u53ef\u80fd\u90fd\u6ca1\u6709 SQL \u5feb\u3002
    1000W*10 \u73ed\u7ea7*30*\u5b66\u751f\uff0c\u8fd9\u662f 30 \u4ebf\u7ea7\u522b\u7684\u6570\u636e\uff0c\u5bb6\u7528\u7535\u8111\u5df2\u7ecf\u65e0\u6cd5\u76f4\u63a5\u8bfb\u53d6\u5230\u5185\u5b58\u91cc\u4e86\u3002\u5982\u679c\u53ea\u662f\u6d41\u5f0f\u5904\u7406\u7684\u8bdd\uff0cSQL \u67e5\u51fa\u6765\u7684\u5176\u5b9e\u5c31\u662f\u7ed3\u679c\u4e86\uff0cpython \u53ea\u8d1f\u8d23\u5199\u6587\u4ef6\u800c\u5df2\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zckun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Vegetable \u6211\u662f\u6309\u6bcf\u4e2a\u73ed\u7ea7\u5904\u7406\u7684\uff0c\u516b\u4e2a\u8fdb\u7a0b\uff0c\u4e00\u5171\u6709 1500 \u591a\u4e2a\u73ed\u7ea7\uff0c68w \u540d\u5b66\u751f\uff0cnumpy+pandas \u8ba1\u7b97\u7528\u662f 93 \u5206\u949f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zckun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Hstar \u6ca1\u529e\u6cd5\uff0c\u4eba\u5bb6\u5c31\u662f\u8981\u7528 python\uff0c\u800c\u4e14\u8fd8\u8981\u5feb <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : superrichman <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zckun \u628a\u4ee3\u7801\u8d34\u51fa\u6765\uff0c\u770b\u600e\u4e48\u4f18\u5316 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : helloworld000 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u79cd\u90fd\u6ca1\u6709 dependence \u7684\u5c31\u76f4\u63a5\u4e0a spark \u6216\u8005 hadoop \u6765\u7b97\u8981\u5feb\u5f88\u591a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Nich0la5 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u7ea7\u522b\u6570\u636e\u7528 cython\uff0c\u4e0d\u8fc7\u8fd9\u5df2\u7ecf\u4e0d\u7b97 python \u4e86\u3002\u539f\u751f\u5faa\u73af\u6709\u591a\u6162\u8dd1\u4e2a 1e8 \u5c31\u77e5\u9053\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zckun #8 \u4f60\u8fd9\u4e2a 68w \u5b66\u751f\u7528\u65f6 93 \u5206\u949f\uff0c\u5904\u7406 1w \u4eba\u9700\u8981\u4e00\u5206\u591a\u949f\u5e94\u8be5\u662f\u4ee3\u7801\u6709\u95ee\u9898\u4e86\uff0c\u4e0d\u5e94\u8be5\u7684\uff0c\u7ed9\u4e2a demo \u5927\u5bb6\u624d\u597d\u51fa\u4e3b\u610f\u5728\u4ee3\u7801\u4e0a\u4f18\u5316 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jimrok <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    Vaex,\u53ef\u4ee5\u770b\u770b https:\/\/mp.weixin.qq.com\/s\/uGGucS4m2FDGobN5DTXrMw\uff0c\u6ca1\u8bd5\u8fc7\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zckun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Vegetable \u3002\u3002\u3002\u4f18\u5316\u5230\u4e86 9 \u5206\u949f\uff0c\u67e5\u627e\u90e8\u5206\u8be5\u7528\u4e8c\u5206\u7684\uff0c\u7b28\u4e86\u70b9 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zckun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jimrok \u8c22\u8c22\u8001\u54e5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : BiteTheDust <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9700\u8981\u67e5\u8be2\u7684\u8bdd \u9884\u5904\u7406\u597d\u6570\u636e\u7136\u540e\u505a hash \u8868 \u7136\u540e\u6bcf\u6b21\u53bb\u67e5\u8868\u5c31\u884c\u4e86 1e7 \u7684\u6570\u636e\u5e94\u8be5\u4e0d\u4f1a\u5f88\u6162
    \u5176\u5b9e\u8fd9\u4e2a\u5bf9\u8bed\u8a00\u6ca1\u5565\u7279\u522b\u7684\u8981\u6c42 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wangyzj <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    pandas \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6108\u53d1\u770b\u4e0d\u61c2\u4e86\uff0c\u201c\u8981\u6c42\u6bcf\u4e2a\u73ed\u91cc\u7684\u7537\u5973\u751f\u7684\u67d0\u4e2a\u5dee\u201d\u662f\u7b1b\u5361\u5c14\u79ef\u6c42\u51fa\u5dee\u77e9\u9635\u8fd8\u662f\u5747\u5dee\uff1f
    \u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u4e8c\u5206\u67e5\u627e\uff1f\u4e2d\u95f4\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lithbitren <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ec0\u4e48\u9b3c\uff0c\u6570\u636e\u624d 68 \u4e07\uff0c\u904d\u5386\u4e00\u8f6e\u6570\u636e\u8bb0\u5f55\u628a\u7537\u5973\u8eab\u9ad8\u603b\u548c\u548c\u4e2a\u6570\u88c5\u8fdb\u5b57\u5178\uff0c\u7136\u540e\u904d\u5386\u5b57\u5178\u8ba1\u7b97\u5dee\u6307\u8f93\u51fa\uff0c\u6700\u591a\u4e0d\u8d85\u8fc7\u534a\u79d2\u3002
    \u4e3b\u4e09\u5341\u4ebf\u4e2a\u5b66\u751f\u662f\u591f\u5413\u4eba\u7684\uff0c\u51e0\u5341\u5206\u949f\u662f\u8981\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lithbitren <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    students = [
    \u3164{
    \u3164\u3164’class’: random.randrange(2000),
    \u3164\u3164’sex’: random.randint(0, 1),
    \u3164\u3164’height’: random.randrange(150, 190)
    \u3164}
    \u3164for _ in range(1_000_000)
    ]<\/p>\n

    collect = collections.defaultdict(lambda: {
    \u3164’maleSum’: 0,
    \u3164’maleCount’: 0,
    \u3164’femaleSum’: 0,
    \u3164’femaleCount’: 0
    })<\/p>\n

    for student in students:
    \u3164if student[‘sex’]:
    \u3164\u3164collect[student[‘class’]][‘maleSum’] += student[‘height’]
    \u3164\u3164collect[student[‘class’]][‘maleCount’] += 1
    \u3164else:
    \u3164\u3164collect[student[‘class’]][‘femaleSum’] += student[‘height’]
    \u3164\u3164collect[student[‘class’]][‘femaleCount’] += 1<\/p>\n

    result = [
    \u3164Class[‘maleSum’] \/ Class[‘maleCount’] – Class[‘femaleSum’] \/ Class[‘femaleCount’]
    \u3164for Class in collect.values()
    ]<\/p>\n

    \u6d4b\u4e86\u6d4b\uff0c\u767e\u4e07\u7ea7\u6570\u636e\u67e5\u8be2\u65f6\u95f4\u80af\u5b9a\u4e0d\u8d85\u8fc7\u534a\u79d2\uff0c\u8fd9\u8fd8\u662f\u7528\u5e26\u952e\u540d\u7684\uff0c\u5982\u679c\u628a\u4e34\u65f6\u5b57\u5178\u6362\u6210\u6570\u7ec4\uff0c\u4f30\u8ba1\u8fd8\u80fd\u518d\u5c06\u5feb\u51e0\u500d\uff0c\u62c6\u5206\u6570\u7ec4\u7c7b\u578b\u5230 numpy \u7136\u540e\u5f00 numba\uff0c\u4f30\u8ba1\u8fd8\u80fd\u518d\u5feb\u51e0\u500d\uff0c\u51e0\u5341\u5206\u949f\u5c45\u7136\u5c31\u771f\u7b49\u4e86\u3002\u3002\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : necomancer <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    numpy \u5c31\u53ef\u4ee5\u3002anaconda \u7684 numpy \u6709 MKL \u52a0\u901f\u3002\u6bd4\u5982\u8eab\u9ad8\uff0cdata->(10, 5, 50, 2) \u578b\u7684\u6570\u7ec4-> 10 \u6240\u5b66\u6821\uff0c\u6bcf\u4e2a\u5b66\u6821 5 \u4e2a\u73ed\u7ea7\uff0c\u7b49\u91cf\u7537\u5973\u5404 50 \u4eba\u4e24\u7ec4\u8eab\u9ad8\uff0c\u53ea\u8981 np.mean(data, axis=(0,1)) \u5c31\u662f\u6309\u5b66\u6821\u548c\u73ed\u7ea7\u505a\u5e73\u5747\u3002\u4f60\u8fd8\u9700\u8981\u4ec0\u4e48\u7edf\u8ba1\u91cf numpy \u90fd\u6709\u73b0\u6210\u51fd\u6570\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : linvaux <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sss495088732 6 \u7684\u4e0d\u884c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u95ee\u4e2a Python \u6027\u80fd\u76f8\u5173\u7684 \u8cc7…<\/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\/124355"}],"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=124355"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/124355\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124355"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}