摘要：
二分法 arr = range(10000000) start = 0 end = len(arr) 1 res = 776575 count = 0 print arr.index(res) while True: count = count+1 mid = (start+end)/2 if ar 阅读全文
摘要：
What is the difference between HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR? it is impossible to say. Different proxies may implement these, or may not. Th 阅读全文