Integer Factorization Using Backtracking with Erlang

By | December 18, 2016

In an earlier post I showed an algorithm to factorize integers using backtracking. The algorithm was implemented in python. Here we have now the same thing in erlang. To run the code, copy the script and save it to a file named "factorize.erl". Then enter a shell and compile the module using the following command:… Read More »

Problems with FTP when Installing FreeBSD

By | February 13, 2016

If you have problems installing FreeBSD using FTP, because you are behind a NAT that doesn't handle FTP properly, simply chose HTTP. In the "Mirror Selection" dialog select the "Main Site", and then chose "Other": And now simply replace ftp with http: The installation should work now.  

Integer Factorization Using Backtracking

By | February 1, 2016

Here is an algorithm, written in Python, to factorize integers, using backtracking. The time consumption should be around  . So it's not the fastest one, but it's nice. To use it, save the code to a file. If you call the file, for example, "", then run python <integer to factorize> Have fun!

Don't use,, ...

By | January 30, 2016

Have you ever missed an important event, because you haven't got the invitation email, but an invitation email was evidently sent to you? If so, you are probably using an email address at or or in general Microsoft's mail services, also including addresses at and other  domains. The reason for this is… Read More »