Identify keyboard [closed] - keyboard

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I have two keyboards connected to my PC, is there any way to know what keyboard a key was pressed on in any language or framework?

For Windows, you can register you application to receive raw input notifications with the RegisterRawInputDevices API. Once you register, your application will start receiving WM_INPUT messages. The lParam to that message is a pointer to a RAWINPUT structure. You can use the GetRawInputData API to get the header in the form of RAWINPUTHEADER structure. Then you can use the GetRawInputDeviceInfo on the device handle from the header to extract information for the device that generated the input.
I am not aware of other ways to get the device that generated the keyboard input on Windows.
I also have no idea how to address that problem on any other operating systems.

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Filter works in Spark AR simulator, but not in app? [closed]

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So basically when I build and test in the simulator, it works fine. This includes the simulator for phone and the one in the program. However, when I create an instagram link it doesn't work at all, doesn't even say the name of the filter at the top when selected. What should I do? It used to work.
Does your filter include segmentation?
This may be it as Instagram's segmentation is not supported in majority of devices

How to write linux app/library to interact with Samsung Galaxy Buds headphones? [closed]

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I'd like to write some library/app to interact with Galaxy Buds.
I assume that this would require me to somehow sniff packages it sends to my mobile telephone and get which corresponds to what command(volume/pause/play) and so on. And then write some wrapper for it? I'd like to make this app/library reusable between different Linux distros, and not-that-hard-portable to Mac OS.
Knowing all that I still in the place where I'm not sure where to start from.
I'd appreciate suggestions to any part of this process e.g (Programming language selection, software for BT sniffing ...)
I do have some experience with C#/Java/C++, but I'm willing to learn if these aren't most suitable for solving the issue.
I don't know that much about the libraries needed for such a solution, but as far as sniffing is concerned, I know that Wireshark (WireShark_Bluetooth_Sniffing) is a good starting place.Once you isolate the touch commands, I assume you can map them to media commands, as described here: D-Bus_Media_Commands

How can I make a program to operate another program? [closed]

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So what I'm wanting to do is pretty lame. Anyway, what I'm wanting to do is basically make a bot that will do some specified tasks for me.
I have an emulator on my laptop that when open, operates like an Android phone, and I'm using Snapchat on it. What I have been trying to do is make it send my 'streaks' on Snapchat a picture everyday at specified times. I have tried using a Macro Recorder to do this, but the loading time varies.
My questions are:
1) What programming language should I use for this?
2) What would be the best application to use? (Like Notepad, or some other application)
Any help is appreciated :)
Have you heard of autohotkey (AHK)? It's a macro app, but also a very powerful programming language. Entire apps have been written in it.
You can also use it to control other programs.
reference:
http://ahkscript.org/

Will the Nest API support reading the state of the system? [closed]

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The API doesn't give any information on the state of the HVAC system, i.e. heating, cooling, fan. Will this be added in the future?
You can determine the cooling/heating mode using the "hvac_mode" property (https://developer.nest.com/documentation/api#hvac_mode), and "fan_timer_active" to check if the fan timer is running. You can also query the target properties, starting with "target_temperature_f" (https://developer.nest.com/documentation/api#target_temperature_f)
No, HVAC mode isn't the same as HVAC state. My system could be in cooling mode but not actively making a call for cooling. If you know the swing value you can guess based on the difference between set point and actual temp but that really isn't reliable.
Presumably this might be to prevent replication of existing Nest functionality?

how to perform automatic button click? [closed]

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Is there any idea on how to create a program (in any programming language) that clicks on a given button of a software that has buttons to be clicked ?
The software in question is programmed by a third party (I have not its code source).
The easiest way is to use AutoHotKey. Look an example on this page.
More complicated way is to use WinAPI. You can get a handle of interest window. Then you need to get handle to interest button on this window. Then you would send WM_CLICK message to them. Like that:
HWND window, button;
window= FindWindow("Caption of interest window",NULL);
button= FindWindowEx(window,0,"Button",NULL);
PostMessage(button,WM_CLICK,0,0);

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