metamorph | open source library

The libraries I'm using are:

I want to specify a custom font in my style sheet. I can get the font to work in a link statement in my html header, but I'd rather put it in my style sheet. When I uncomment the link statement, it works. Here's my html file:

I just built my first AWS Apache Server and uploaded my website from my school project. The site works in Dreamweaver. However on my Apache server only some of the images appear. They all have the same path and are contained in the same folder /var/www/html/images. Some appear as intended, others are a broken link. Any ideas why it's not working? To get css to load I had to move my css folder. With the images some work fine while others do not. They are roughly the same size files. This is the code for one of the non working images:

I am working in collapseToolbarLayout, in the design in the appBar it should be an image in the bottom anchor of the appBar (most of the designs put a floatingActionButton .. here I am using an image) I need partially collapse as I scroll up, but not completely. so I get some solution to set a min height from this custom height for appBar

I tried one solution and its work, but, when I scroll up totally the image has been cut and the toolbar disappear , how to make the image stay as it is and not cut, in case of floatingActionButton the button disappear if you understand what I mean in my case which is an image I don't want it to disappear nor been cut

see this image to understand what is happen

what I want is to keep the image like this here and also with the toolbar

here is the layout

I'm building a c# application that connects to a websocket using WebSocket-sharp and I keep receiving a 403 - Forbidden from the server.

I have tried using fiddler to see how the browser handle it differently and I have copied all the local cookies the website is using.

The request:

I am working on an app for rockhounds that will allow them to track the rocks they have found. I am trying to finish a method that will allow users to update rocks. The method itself works if you go to the '/edit' page where you enter a url, but when trying to reach that page via a link from the show page for the rock I get an error: Param is missing or the value is empty: rock Its coming from line 43 in my rocks controller, inside the method rock_params. The parameters for this request are:

{"_method"=>"patch", "authenticity_token"=>"tiQQjQCMi6lbDPOxQ2X7fNTamWEZ3EAandGQ1Tv4NJKxieVIUnnWcKh3efd9F2LIRZWBYeC5M3RuEr0/FHQnww==", "id"=>"6"}

Here is my controller code