1. If a method c++an be static, declare it static. Speed improvement is by a factor of 4. 如果一个方法可静态化,就对它做静态声明.速率可提升至4倍. 2. echo is faster than print. echo 比 print 快. 3. Use echo's multiple parameters instead of string concatenation. 使用echo的多重参数(译注:指用…
1. If a method c++an be static, declare it static. Speed improvement is by a factor of 4. 如果一个方法可静态化,就对它做静态声明.速率可提升至4倍. 2. echo is faster than print. echo 比 print 快. 3. Use echo's multiple parameters instead of string concatenation. 使用echo的多重参数(译注:指用…
python实现自动重启本程序的方法 http://www.jb51.net/article/69174.htm import requests, time url_l = []with open('DISTINCT_url.404.notailaba.txt', 'r', encoding='utf-8') as fo: for i in fo: url = '%s%s' % ('http://', i.replace('\n', '')) url_l.append(url)le, c = l…