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In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Wordle 958 4/6
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Wordle 958 4/6
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Ok, I have had my coffee, so you can all come out now!
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Wordle 958 3/6
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Jeremy Falcon
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I have written some useful articles that may be valuable to some readers.
I want to post them on my website for users to read and don't want them to download to local computers.
what kind of PDF component to be installed on server side? just a PDF viewer server component?
Thanks a million for any thought!
diligent hands rule....
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If you don't like, that somebody can have a copy in what format ever (pdf, screen shots, whatelse), then don't publish it... 
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That really is the only way.
If shared knowledge is valuable enough, it's worth hanging on to. People will save it. Otherwise, don't share it...? It's contradictory, but one cannot have it both ways.
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On my site I have a lot of photos and the way I restricted users from copying is by capturing the right click and displaying a popup that informs the user if they want a copy to contact me.
But there are always ways to get the material, maybe not in the form they want but they can get it.
"Ten men in the country could buy the world and ten million canβt buy enough to eat." Will Rogers
PartsBin an Electronics Part Organizer - Release Version 1.3.1 JaxCoder.com
Latest Article: EventAggregator
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I generally use print screen for that.
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Or WIN+SHIFT+S
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Windows Prevent Screen Capturing in specific apps - Microsoft Q&A
I think there's also a setting for one's Window Store app in the build.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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You can also quickly disable JavaScript, after the page loads/renders, in DevTools to save the image. Or intercept the request. Or, there are a ton of ways...
Jeremy Falcon
modified 2-Feb-24 10:59am.
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Screwing with someone's browser experience is bad juju. It's no better than endless popups. It'll only prevent non-techy users anyway. If you're really that worried about it, you're better off watermarking the image.
Jeremy Falcon
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I do watermark, but I'm not really worried about them.
The techies will get them no matter what.
"Ten men in the country could buy the world and ten million canβt buy enough to eat." Will Rogers
PartsBin an Electronics Part Organizer - Release Version 1.3.1 JaxCoder.com
Latest Article: EventAggregator
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Cannot prevent someone from taking a picture πΌοΈ of the screen from their mobile camera πΈ. And then using OCR to convert the image to text. Isn't it?
Addendum: Other than the Coca Cola formula, is there anything which has been protected without getting leaked? As individuals, we perhaps don't have the financial strength to protect our so-called intellectual property.
modified 2-Feb-24 3:40am.
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Amarnath S wrote: Other than the Coca Cola formula
Sugar.
Water.
You're mostly there.
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Some good ol' fashioned red dye 40? Like grandma used to make. 
Jeremy Falcon
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Your grandma made her own Coca-Cola? 
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my website is member only. so when you read it, I will put your name on top of the article.
so if you take pictures, your name will be visible.
diligent hands rule....
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Not sure how that changes anything?
It can be erased from the image.
It can be deleted from the OCR text.
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In addition to the above replies, you should note that PDF is not a "read-only" format. Many tools are available to unpick PDFs into an editable form.
You don't need a "viewer server" component. Just publish the PDF and browsers know what to do.
Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012
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Peter_in_2780 wrote: Many tools are available to unpick PDFs into an editable form.
And many other original sources as well.
I was amazed when I looked at the Apache Tika project.
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Southmountain wrote: don't want them to download to local computers.
You do realize that as long as it's published you can't stop that, regardless of format?
I understand if someone doesn't want to be plagiarized. It's happened to me and that sucks. But, asking someone not to save it... why, you wanna show them new adds or something? If you're worried about squeezing a dollar out of someone then put it behind a paywall.
Keep in mind though, the scientific community doesn't take too kind to the average antics people play when it comes to extorsion, money, etc. Which is what this sounds like if plan on making sure nobody can save your content.
Jeremy Falcon
modified 2-Feb-24 11:02am.
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yes, I know it.
this way only prevents good people from doing downloading...
diligent hands rule....
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...just like locks only keep honest people out.
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