Viewers | OHIF zero-footprint DICOM viewer | Messaging library

I have a table Movie with columns Movie and Viewer where each movie is viewed by any user any number of times, so the table can have multiple same entries. I want to find the Top N most viewed movies and then the Top K viewers for each of the Top N movies. How can I apply group by or partition by effectively in such scenario ? Or if there is any better approach to this, please share. Thanks!

So, in this table Batman is the most watched movie is Batman followed by X-Men so I want the result table to look like :

I understand that I can group by movie and then do order by count(*) desc but this doesn't give me the second column which is grouped by viewer and the count for each viewer also.

Currently, I am attempting to generating a hash of a user password for PDF, given the encrypted PDF file and the plain password. I follow the instruction of this article. However, the hash I've computed is different from the hash stored in the PDF file.

The hashed user password (/U entry) is simply the 32-byte padding string above, encrypted with RC4, using the 5-byte file key. Compliant PDF viewers will check the password given by the user (by attempting to decrypt the /U entry using the file key, and comparing it against the padding string) and allow or refuse certain operations based on the permission settings.

First, I padded my password "123456" using a hardcoded 32-byte string, which gives me

I am trying to stream live to Facebook with the following settings:

When an IFC model is uploaded and translated by Autodesk Forge, some weird "shadow lines" are generated and appear in the Forge viewer. These lines mostly are IFC wall elements and correspond to real walls in the model, but they are drawn under the actual model. Here is an example of such lines:

Now, if I try to add another model, which should align with the first one and I set both Global Offset Zs to 0, the added model fits into the shadow lines at the bottom and not the actual model. Thus, it seems that the shadow lines are the considered to be a part of the model. Here is a visualisation of the problem:

When I load the model with other IFC viewers, these shadow lines don't appear:

Thus, I guess these lines are generated during the Forge translation process. Where are these lines coming from and how can I get rid of these? And even more important, how can I align the models correctly?

Thanks for any kind of help!

EDIT: When I use legacy conversion, the alignment works! Here is an image:

The problem is, that I need to have spaces and opening elements, thus I need to use the modern conversion.

I have a react project and am trying to use the Autodesk Forge viewer. I have it sort of working but am getting a lot of errors and weird behavior that I don't understand. I'm pretty new to both Forge viewer and React so I'm sure I'm missing something simple but I don't know what it is.

The general idea of this page is that the user gets a list of locations from the DB (outside Forge) that they can click on. If they click on one to select it the system checks if there is a dwg file associated with it. If not it displays a generic div that says there is no file associated but if so it displays the dwg in the forge viewer. So the viewer itself is sometimes hidden but should always be there but will need to change the file that it's displaying sometimes.

Right now I have it so that when I click the first one it comes up and displays it correctly. However, when I click another and then back to the first one it blanks out and gives me an error in the console. Here is my forge component:

I created a custom markup following the example: https://forge.autodesk.com/blog/implementing-custom-markups

The markup is created, highlighted and edited. We save and send information about the markup on the document to the server. When you open a document, the native markup is perfectly restored - edited, highlighted. But there is a problem with custom markup - they are displayed on the document, but they cannot be edited. They are not markups for viewer. It seems to me that this is due to the fact that viewer does not know about the type of custom markup (in the example this.type = 'smiley';)

How can this be fixed? Thanks!

We restore the markup in this way:

i have a main report and tow sub reports as show On-Demand, my problem is when click on sub report link everything is fine and first page as sub report will be shown ,but if i want to go to next page or export sub report as pdf just main report will be export. and if i want to go to next page crystal report viewer closed my sub report tab and back to second main report page my CrystalReportViewerPage.cs class

SOLUTION: To make the HTML code work, swap "reader.readAsText" for "reader.readAsBinaryString" as explained in @KJ's answer

I am trying to view a PDF using PDFJS. I have the following code which works fine for a demo PDF I got from the PDFJS website, however it doesn't work for other PDFs I have tried. Here is the raw text of the demo PDF that works:

I need to load around 1000 static images, .gifs, and videos for an online slideshow presentation. Currently all items are loading at once and viewers need to wait to see the first item. How to load each item after the one before is finished loading?

Vue.js Vuetify.js code: