I've used FCKEditor and am looking to change to CKEditor 3.4.1. I was using the insertHtml plugin in fckeditor and was able to insert/embed widgets, google gadgets, iframes, html, etc all in one plugin. But the CKEditor plugin version of insertHtml does not work in version 3.4.1 and I hacked the plugin to insert/embed html, iframe and youtube code. But when I try to embed google gadgets or simple javascript it never gets ...

Hi,

is it possible to prevent the drag and drop functionality in the WYSIWYG area of CKEditor?

I am referring to this bug which is relevant only for Mozilla browsers so actually it is a Firefox bug but I need to prevent the drag and drop functionality anyway because the fix is to be expected at Firefox 3.6.11. ...

I have a few problems with CKEditor.

It is very important for my users that a html source that is entered stays as entered and should not be "reformatted" by CKEditor. Means when a user enters (or pastes) a html source which consists of one single line (because of not producing to much spaces) it should also remain in one line. But when a user decides ...

I wanted to prove:

  if .

using first principle, but without any success. Can anyone help me, and show me the detail steps?

In many cases, the recurrence equations that people are solving involves index of only non-negative values. Here I have a recurrence equation which arises from transport of light in an infinite 1D chain:

where is the Kronecker delta function. i.e.:

...