Quick Introduction to BioPerl
BioPerl is a collection of Perl modules that facilitate the development of Perl scripts for bioinformatics. It is open source and widely used in the bioinformatics community. Bioperl provides software…
Installing Perl/CGI on Microsoft Windows
My Configurations My system is configured as follows: Download ActivePerl Download windows MSI version from http://www.activestate.com/store/activeperl/download Install ActivePerl Double click on the downloaded file to install it. By default it…
Perl: Couldn’t spawn child process
When using Apache and Perl on Windows, it is common to get Couldn’t spawn child process error. The solution is very simple. Verify that you have using the correct directive…
Reading command-line input in C
Following a program which echos whatever you type in the command line. argc is the count of the number of command-line arguments. argv is array of vectors. Each word is…
Writing Math formulas in HTML
Mathematical formulas can be written in HTML without installing special fonts, MathML, or inserting images. This article shows how this can be done. Symbol Entity Description ¬ ¬ not sign…
SSH – Warning: remote host identification has changed
When using ssh, if you get the following message, do not panic. Chances are nothing nasty has happened. This means that the public key of the host has changed and…
Perl Quotes and Escape Sequences
Perl string literals are enclosed in quotation marks. You can use either single quotes (”) or double quotes (“”). Now suppose you need to print a string which contains a…
Eclipse: change font size
To change the font size on eclipse temporarily, simply use ctrl++ and ctrl–. If you wish to change is permanently, do the following: select Window > Preferences choose General >…