Category: technical

The search engines are crawling the web every second. Some are good but some mis-use the information e.g. your email addresses and sell them to third party. You then …

In python, you can define classes using keyword class. The basic class skeleton that has a constructor and a destructor is given below. #!/usr/bin/env python class TestClass: def __init__(self): …

Sometimes, maybe you want to know how popular your programs are. You put the download links but have no idea how many of them have been downloaded. In fact, …

The webhosting company usually provides you with the ability to update the DNS records, which allows you pointing your domain to somewhere else. Therefore it is necessary to understand …

The problem is from codeforces: http://codeforces.com/problemset/problem/197/B It has been a while since last time I submitted Python solutions to codeforces. This time, I pick a math problem that can …