Category: code

Under Linux, there is a famous quote: “When there is a shell, there is a way.”, meaning that the Linux SHELL script is very powerful and in fact can …

The problem is from codeforces http://codeforces.com/problemset/problem/221/B The problem statement is clear. The answer is to count the number of divisors that has at least one common digit with the …

Python offers a module urllib and its advanced version urllib2 to allow downloading files from given URLs. The following shows three different ways to access the internet data. #!/usr/bin/env …

Sometimes if you want to extract some records from a table you can use the following SQL syntax select * from table order by rand() limit 10 Different SQL …

I have been doing some SEO (Search Engine Optimisation) work lately to my website and now the page speed has improved quite a lot. In , it describes the …