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I need catch users who make screen on my web page. I can do it easy, if they use key "PrntScr", but what should i do if they make screen on Mac, Android or iPad? And can i catch users who make screen with other software?
p.s. sorry for my bad english
It would be next to impossible for you to detect such behavior. If your website was only available in the form of mobile apps you could detect when people take screenshots (as in the case of Snapchat), but it would be very easy for someone to bypass this on PCs.
In Linux, someone could use a tool such as gnome-screenshot; on Windows someone could use the Snipping Tool, and on any computer someone could use an extension to capture the screen. If all else fails, someone could use a virtual machine to capture the screenshot without you knowing.
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I want to buy a DVB-T stick which gets connect to PC and laptop by USB and has a software to play live TV on windows. What I want to do with that is to show the live TV stream from that stick on a web browser instead of the original windows software. The reason behind that is I need to use it in a digital signage program which only supports web platform for these kind of medias.
As far as I know, if I could make a html page which contains the player to show the live stream from the USB stick, the job is done, but my question is how to write that html page exactly. Any suggestion?
Thanks for paying attention to my question and helping me in advance.
This is not possible with HTML. Also PHP and JavaScript will not fit this problem. Because that are web based languages. You can not access plugin devices in any way.
The only way you can do is to write an application in C#/C++/Java which will read the usb and open it in a webview to show.
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Free Basics has a policy that you need to disable Javascript code in your website now I have a desktop version website and I want to register it on Free Basics platform should I responsive the same website and disable or hide the Javascript using some Php scripts or css or I have to make a new responsive website with not even a single line of Javascript code?
help will be much appreciated thanks
I was intrigued and looked at their technical guidelines - did you read those?
https://developers.facebook.com/docs/internet-org/platform-technical-guidelines
You have to have a site that is specifically designed to work on a low-end devices which are not capable (among other things) to run javascript. While you may detect javascript capability, other requirements of this platform are not easily detected, such as the requirement for smaller image sizes etc. After all, the target users for this applications might be in the area where 20 y/o computer on 9kbps modem is considered to be a good machine.
So I'd say that to pass their technical evaluation you will have to create a separate site, that is targeting their needs.
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I am trying to figure out is it possible to make Internet Cafe client launcher with Electron. The app would have to prevent the user from ALT+TAB or CTRL+ALT+DEL it would also have to: run on startup, cover full screen, shut other processes down, run executable binaries and so on. I never before made application of this kind and do not know what kind of things am i looking for. First thing that i remember when using some other Internet Cafe clients is that they needed administrative rights, so i found electron-sudo, but that is about it of what i know.
NW.js has Kiosk Mode.
https://github.com/nwjs/nw.js/wiki/the-kiosk-mode
It's similar to Electron but it runs a webpage first, not a script (if that makes sense). Basically, you get a browser that lets you run node.js.
And Kiosk mode.
Ah, so does Electron!
kiosk Boolean - The kiosk mode
I did not know that.
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I've come across this link a while ago:
https://lightsaber.withgoogle.com
I thought it was really cool, the ability to connect your phone to a website and let it control certain things. And just now I found this link: http://www.pauljobard.com/#!/
it implements the phone connect option too (if you go to 'experience my work').
I'm considering of experimenting a little something with this for my portfolio website, but I have no idea where to start; can someone give me a push in the right direction? What is this 'function' called? Is it very hard?
to be more specific what I want to use this for: I want the user to be able to drag along a screen and pan and rotate a 3D object that way (I'm a 3d artist).
Take a link at Hammerjs, this allows you to capture your phone's accelerometer and gyroscope data, it's fairly quick to get up and running.
In terms of connecting up a phone to your desktop via a web app, it's a little more work, take a look at this article on establishing a connection with a node server as well at this article which goes into a little more detail and it should point you in the right direction.
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I created a javascript code that rotate the canvas. The script is working fine on my Firefox browser. But when I open it in chrome, it looks too bad to see on it. What should I do to write the browser compatible javascript? My code is about 1000+ lines So How could I Find the functions which not support the browser rendering?
Please If anyone have other suggestion also then please post it.
You can use BrowserSwarm which is a project started by Microsoft aims to test JavaScript project compatiability for major browsers. It's easy to use and one-way to connect GitHub.
But for small project or specific problem, open console and start debugging is prime choice.