Latest Entries
Codecademy Launched PHP Course
Computer Science / HTML/CSS / Internet / JavaScript / Online Education

Codecademy Launched PHP Course

Codecademy is such a great resource. Thanks to the HTML, CSS, JavaScript, and jQuery courses I was able to pull up my own website (sebastianraschka.com). Now, Codecademy responded to further wishes of the customers and launched section 1 of a PHP course (http://www.codecademy.com/tracks/php). This is very interesting, since JavaScript & Co are (usually) only able … Continue reading »

Be aware of the streamlined exception hierarchy in Python 3.3.0
Computer Science / Python Script

Be aware of the streamlined exception hierarchy in Python 3.3.0

It is really nice to see the active development of Python. Thanks to the great community, Python has evolved into the favorite and most popular interpreted programming language. An important date in the history of Python certainly was December 3rd, 2008 – the release of Python 3.0. However, Python 3 didn’t please everyone, the community … Continue reading »

Inaccuracies of FASTA sequences in the Protein Data Bank
Computer Science / Protein Science / Tutorials

Inaccuracies of FASTA sequences in the Protein Data Bank

If you downloaded a PDB structure and you are planning to use its amino acid sequence for further analyses, you have to be aware that the FASTA sequence on the Protein Data Bank server (PDB) is not necessarily identical to the corresponding sequence in the PDB file that you have downloaded. Take the crystal structure … Continue reading »

An Introduction to Linux/Unix Executables, $PATH, Aliases, and Symlinks
Computer Science / Linux / Mac / Tutorials

An Introduction to Linux/Unix Executables, $PATH, Aliases, and Symlinks

This article is intended for those who want to shed a little bit more light on the file and directory structure of their MacOS X or Linux operating system. Writing this article was a very exciting process, since it took me some time of exploration and experimentation until I understood the underlying concept. Hopefully, I … Continue reading »