{"id":515,"date":"2025-02-19T23:51:58","date_gmt":"2025-02-19T15:51:58","guid":{"rendered":"https:\/\/qwq.cafe\/?p=515"},"modified":"2025-03-17T11:24:51","modified_gmt":"2025-03-17T03:24:51","slug":"algebraic-geometry-0-preparation","status":"publish","type":"post","link":"https:\/\/qwq.cafe\/?p=515","title":{"rendered":"Algebraic Geometry &#8211; 0. Preparation"},"content":{"rendered":"\n<p>You can download following pdf from this <a href=\"https:\/\/github.com\/Hookan\/MyMathNotes\/tree\/main\/Algebraic%20Geometry\" data-type=\"link\" data-id=\"https:\/\/github.com\/Hookan\/MyMathNotes\/tree\/main\/Algebraic%20Geometry\">link<\/a>.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><a href=\"https:\/\/qwq.cafe\/?p=618\" data-type=\"link\" data-id=\"https:\/\/qwq.cafe\/?p=618\">Back to contents<\/a>.<\/p>\n\n\n\n<object id=\"normal\" data=\"https:\/\/qwq.cafe\/wp-content\/uploads\/2025\/03\/0.-Preparation.pdf#toolbar=0\" type=\"application\/pdf\" style=\"width: 100%;height: 100vh;border: none;\">\n  <p>Your broswer doesn&#8217;t support pdf.<\/p>\n<\/object>\n\n<div id=\"safaripdf\" style=\"display:none;\">\n<\/div>\n\n<script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf.js\/2.10.377\/pdf.min.js\"><\/script>\n\n<script>\nfunction isSafari() {\n    var userAgent = navigator.userAgent.toLowerCase();\n    return userAgent.indexOf('safari') !== -1 && userAgent.indexOf('chrome') === -1;\n}\n \nvar normal = document.getElementById('normal');\nvar safaripdf = document.getElementById('safaripdf');\nif (isSafari()) {\n    normal.style.display = 'none';\n    safaripdf.style.display = 'block';\n\n    \/\/ PDF \u6587\u4ef6\u8def\u5f84\n    const url = 'https:\/\/qwq.cafe\/wp-content\/uploads\/2025\/03\/0.-Preparation.pdf';\n\n    \/\/ \u83b7\u53d6 PDF \u6587\u6863\n    pdfjsLib.getDocument(url).promise.then(function(pdf) {\n      \/\/ \u83b7\u53d6 PDF \u9875\u9762\u603b\u6570\n      const totalPages = pdf.numPages;\n\n      \/\/ \u5faa\u73af\u6e32\u67d3\u6240\u6709\u9875\u9762\n      for (let pageNum = 1; pageNum <= totalPages; pageNum++) {\n        pdf.getPage(pageNum).then(function(page) {\n          \/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 canvas \u5143\u7d20\u6765\u6e32\u67d3\u5f53\u524d\u9875\n          const canvas = document.createElement('canvas');\n          safaripdf.appendChild(canvas);\n\n          const context = canvas.getContext('2d');\n          const scale = 4; \/\/ \u8c03\u6574\u7f29\u653e\u6bd4\u4f8b\n          const viewport = page.getViewport({ scale: scale });\n\n          \/\/ \u8bbe\u7f6e canvas \u7684\u5bbd\u9ad8\n          canvas.style = 'width:100%;height:cal(var(--width)*1.414);';\n          canvas.height = viewport.height;\n          canvas.width = viewport.width;\n\n          \/\/ \u6e32\u67d3\u5f53\u524d\u9875\n          page.render({\n            canvasContext: context,\n            viewport: viewport\n          });\n        });\n      }\n    }).catch(function(error) {\n      console.error('Error loading PDF: ', error);\n    });\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>You can download following pdf from this link.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[14,11,8],"class_list":["post-515","post","type-post","status-publish","format-standard","hentry","category-6","tag-14","tag-11","tag-8"],"_links":{"self":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=515"}],"version-history":[{"count":74,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/515\/revisions"}],"predecessor-version":[{"id":630,"href":"https:\/\/qwq.cafe\/index.php?rest_route=\/wp\/v2\/posts\/515\/revisions\/630"}],"wp:attachment":[{"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qwq.cafe\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}