data-protection

Possible Duplicates: How do you protect your software from illegal distribution? Best practice to prevent software copy Hypothetical situation: Lets say I have built a software product from the scratch and it does wonderful things. The only problem is that, once someone takes a look at the code, they will understand it very easily and they can easily build it up themselves. Now, the thing is that I built the code from the scratch 100% and uses a mixture of API calls. Nobody else is involved in the development of the code. If I want to sell this product, what is the guarantee that someone much

Just saw the Session 209 - Securing Application Data from de 2010 WWDC. The keynote explains a lot of things, including the way you can set data protection attributes to your files (NSFileProtectionComplete, NSFileProtectionNone) and how to decide which protection is best for your case. I just implemented it, but can't figure out how to test if the security is on, any ideas? In addition, I have a sql lite database that needs to be accessed in background from time to time, and this method of data protection seems to be not good enough.. any link or tutorial that guide me through the best db

We have a typical web application that is essentially a data entry application with lots of screens some of which have some degree of complexity. We need to provide that standard capability on making sure if the user forgets to click the "Save" button before navigating away or closing their browser they get a warning and can cancel (but only when there is unsaved or dirty data). I know the basics of what I've got to do-- in fact I'm sure I've done it all before over the years (tie in to onbeforeunload, track the "dirty" state of the page, etc...) but before I embark on coding this YET AGAIN,