{"id":2197,"date":"2015-05-21T23:16:53","date_gmt":"2015-05-21T15:16:53","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2197"},"modified":"2015-05-21T23:16:53","modified_gmt":"2015-05-21T15:16:53","slug":"python%e7%9a%84%e4%b8%80%e4%ba%9b%e5%b0%8f%e7%9f%a5%e8%af%86%e7%82%b9_11","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2197.html","title":{"rendered":"Python\u7684\u4e00\u4e9b\u5c0f\u77e5\u8bc6\u70b9_11"},"content":{"rendered":"<h5>Python\u4e2d\u7684yield\u5173\u952e\u5b57<\/h5>\n<h6>\u641c\u7d22\u5173\u952e\u5b57\uff1a<\/h6>\n<p>site:stackoverflow.com python yield<\/p>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/www.ibm.com\/developerworks\/cn\/opensource\/os-cn-python-yield\/\" target=\"_blank\">http:\/\/www.ibm.com\/developerworks\/cn\/opensource\/os-cn-python-yield\/<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/231767\/what-does-the-yield-keyword-do-in-python\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/231767\/what-does-the-yield-keyword-do-in-python<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/1995418\/python-generator-expression-vs-yield\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/1995418\/python-generator-expression-vs-yield<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/26595895\/return-and-yield-in-the-same-function\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/26595895\/return-and-yield-in-the-same-function<\/a><\/li>\n<\/ul>\n<p>==<\/p>\n<h6>\u5728\u540c\u4e00\u4e2a\u51fd\u6570\u4e2d\u4f7f\u7528\u4e86return\u548cyield\u4e4b\u540e\u8fd8\u7b97\u662f\u4e00\u4e2agenerator\u4e48\uff1f<\/h6>\n<p><a href=\"http:\/\/stackoverflow.com\/questions\/26595895\/return-and-yield-in-the-same-function\">http:\/\/stackoverflow.com\/questions\/26595895\/return-and-yield-in-the-same-function<\/a><\/p>\n<p>\u7b97\uff1b\u5728Python\u7684function\u4e2dreturn\u548cyield\u5173\u952e\u5b57\u7684\u4f5c\u7528\u51e0\u4e4e\u7b49\u4ef7\uff08\u4f46\u4e2a\u4eba\u5efa\u8bae\u8fd8\u662f\u5efa\u8bae\u4e0d\u8981\u6df7\u7740\u6765\uff09<\/p>\n<blockquote><p>The return is (almost) equivalent to raising StopIteration.<\/p><\/blockquote>\n<p>==<\/p>\n<h6>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u548cyield\u5173\u952e\u5b57<\/h6>\n<p><a href=\"http:\/\/stackoverflow.com\/questions\/1995418\/python-generator-expression-vs-yield\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/1995418\/python-generator-expression-vs-yield<\/a><\/p>\n<p>\u5927\u4f53\u4e0a\u8bf4\u662fyield\u5173\u952e\u5b57\u7684\u66f4\u5feb\uff0c\u800c\u4e14\u80fd\u5904\u7406\u66f4\u590d\u6742\u7684\u60c5\u51b5\uff1b\u4f46\u662f\uff0c\u5177\u4f53\u60c5\u51b5\u5177\u4f53\u5206\u6790\u4e0d\u662f\u2014\u2014\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fd0\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u5728\u5bf9\u6027\u80fd\u8981\u6c42\u4e0d\u662f\u7279\u522b\u9ad8\u7684\u60c5\u51b5\u4e0b\u600e\u4e48\u65b9\u4fbf\u600e\u4e48\u6765\u3002<\/p>\n<p>==<\/p>\n<h6>Python\u4e2d\u7684\u4e09\u5143\u8fd0\u7b97\u7b26<\/h6>\n<pre class=\"lang:default decode:true\">x if y else z    #\u5982\u679cy\u4e3a\u771f\uff0c\u5219x\uff1b\u5426\u5219\u4e3az<\/pre>\n<p>==<\/p>\n<h6>Python\u7684\u5217\u8868\u63a8\u5bfc\u5f0f(list comprehension)\u7684\u6548\u7387<\/h6>\n<p>\u641c\u7d22\u5173\u952e\u5b57\uff1asite:stackoverflow.com python list comprehension efficiency<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684yield\u5173\u952e\u5b57 \u641c\u7d22\u5173\u952e\u5b57\uff1a site:stackoverflow.com python y [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,7,12],"tags":[8,19,519],"class_list":["post-2197","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-programing","category-tools","tag-python","tag-tips","tag-yield"],"views":2762,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=2197"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/2197\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=2197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=2197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=2197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}