一劳永逸解决:TypeError: cannot use a string pattern on a bytes-like object TypeError: cannot use a string pattern on a bytes-like object python2和python3之间切换,难免会碰到一些问题,有些方法比如re模块的findall要求传入的是字符串格式的参数,urllib.request.urlopen(url).read()返回的是bytes类型(这个是python3…
import re from common_p3 import download def crawl_sitemap(url): sitemap = download(url) links = re.findall('<loc>(.*?)</loc>',sitemap) print('links=',links) for link in links: print('link=',link) html = download(link) return crawl_sitemap('ht…
Symbols of String Pattern Matching in Introduction to Algorithms. As it's important to be clear when discussing the problem of string matching, we can use the meticulous symbols used in Introduction to Algorithms. Text: $T[1, ..., n]$. Pattern: $P[1,…
Running gulp gives “path.js:7 throw new TypeError('Path must be a string. Received ' + inspect(path));” 百思不得其解,最后还是在万能的 stackoverflow 找到解决办法,特此记录一下 我的Node.js版本太高了,6.9.1,卸载后重新安装 4.2.4版本,npm,gulp,bower,yo等用到组件重新装一遍,执行 gulp serve:dist 成功…