Since I studied Computer Science, I don’t know exactly how many programming languages or scripting languages I have learned and used: Basic in High School, Pascal and C in Undergraduate, then Assembly, C++, Dephi, Java, C#, Visual Basic, Bash, Csh, Perl, VBA, VBScript, Javascript, Windows PowerShell, Python, F#, J#… The list is still growing. Sometime I’m just thinking why not just one language easy and simple. The worst thing is my worst memory. Recently when I got back to test some apps in Perl, I accidently put some PowerShell syntax in there. Of cz it didn’t work. Anyway, programming language should always advance to satisfy new requirements.