Solved : Failed to save main TiddlyWiki file. Your changes have not been saved

This usually means that the disk is full. Try deleting/moving some files from the drive and then resave the Wiki! This however does not revive the Wiki though. So have some backup measures.  

How to embed a Wolfram Mathematica demonstration in your webpage in 3 easy steps

This is a test post + a tutotial on embedding your Mathematica demos in your web-page ! Convert the interactive document into a CDF (Computable Document Format). You can get a number of them in the Wolfram demonstration projects. Upload the document to your server Insert the following snippet of code, to point to the […]