Detect if pdf has a password on clientside [closed] - javascript

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in my application I want to allow the user to upload a PDF file. Before I send the file to the server, I want to validate with JavaScript that the PDF is not password protected. What is the best way to do this with Vanilla JS. I would like to avoid using a library if possible.

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Transfering large amount of data from backend db to browser [closed]

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Hi I am transferring a large amount of data to my browser. I have a few methods in mind of doing this.
To accomplish this, I am writing it to a json/csv file and reading that from the browser. Can a browser parse remote json/csv urls - if so let us say I have "https://remote_file.json" how can I access the data in this file through my JS?
Thanks

How to create a YAML based editor in html [closed]

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I have a website that is used in a local area environment. I need to give an option to the users to upload and edit the YAML file on this website. I have seen a lot of online editors like this. My only requirement is to validate and highlighted the syntax. Can someone please give me a hint is there any javascript library that gives me the option to add a YAML editor to the website?

Is there any option that PDF can be protected from downloading? [closed]

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I want to protect my website PDF files from downloading and snapshot or Ctrl+P. I read that it can be done by JavaScript but I'm unable do it.
Not possiable
In order for the client or user to see and read the PDF, your serve needs to server it. To send a copy of it to the clients broswer. The user can always download the PDF becuase you need to send it

How can I load an existing pptx file with PptxGenJs [closed]

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how can I load an existing pptx file? Our customers would like to create a master pptx file with their own coporate branding. They are users and not developers. Is it possible?
Thanks.
Holm
You can't do it with PptxGenJS, as you can see it is listed as a feature they will not be implementing:
https://github.com/gitbrent/PptxGenJS/wiki/Unimplemented-Features
If your data does not have to be in pptx format, then you can reproduce an HTML table and use it within PptxGenJS:
https://gitbrent.github.io/PptxGenJS/docs/html-to-powerpoint.html

Make my page work for certain place [closed]

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Closed 5 years ago.
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I am under developing a game website i would like to know how to make only certain point of my website to work? and the rest should be disabled!
Assuming you gonna host it on a apache webserver, you could block some directorys with a .htacces file like asked here

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