Now we can add posts to our applications, so next we'll make the application in such a way that we can add categories; however, before we do this, I want to implement an editor so that when we enter, when we create a post, we can have this little text editor enabling us to make the text bold, change the font size and do things like that. There are a lot of different options you can use, but CKEditor is a really good one of them all; it has a lot of features and it's really simple to set up. So we will go to ckeditor.com and click on Download:

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We need the standard version, not the basic one. So let's save it, then open it up, and take the whole folder and put it into our application. We'll take projects and nodeblog and will paste them inside the public folder. Next we'll go to add, which is in views and then addpost.jade. We need to include the script at the bottom, so let's go down and enter script(src='/ckeditor/ckeditor.js'):

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    label Author...