commercial

Do you copy & paste a code?

Do you copy & paste a code from books, articles, msdn whatever or are you always trying to come up with your own solution or implementation (the book etc. is just an inspiration - there are always 2 or more ways how to do it)? Or do you make difference between your noncommercial and commercial code, i.e. if you are writing a noncommercia...

Free or cheap tools for commercial developement

I'd like develop software which in future I'd like to sell. Qt licence for one user, one OS costs ~2500 euro! I'm student and profit from sold software would be lower than QT Commercial licence cost. What tools (free or cheaper?) I can use for commercial software developement? (windows and linux, c/c++/c#). ...

If I release a commercial client-side JavaScript library, how can I detect people using it without paying my license fee?

If I release a commercial client-side JavaScript library similar to the jQuery, how can I detect people using it without paying my license fee? If I insist that the license fee must be paid before the library can be used in a web application, how can I enforce this and determine who is violating this policy? Is this even possible? ...

Can I produce a commercial application using Visual Studio Express 2010?

Hi, I've been reading about the commercial use of Visual Studio Express 2010 and according to the Microsoft Express FAQ: Can I use Express Editions for commercial use? Yes, there are no licensing restrictions for applications built using Visual Studio Express Editions. While I think this is referring to VS2008, not 2010...

Legal to sell qt application?

would it be legal to sell a qt/c++ application (lgpl) without buying a license? And would doing the same but with pyqt(GPL) be legal? If it's not, should I explicitely tell the customer (It's an specific application for only a few customers) It's license, I don't think he/she would understand a thing. And I guess we will install the soft...