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I am working on haptic science.
I need to connect two phantom devices in the same computer. how can I identify the phantom blocks for each device in the same file?
How to identify the phantom block to a certain device?
If this is what you are referring to, the answer seems quite simple.
The phantom block contains a parameter Device Name. This parameter should be the name of the device as set up in the Phantom Configuration (outside MATLAB). So give your two devices different names and then make sure the right name is in the phantom block you are using for each.
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I'm pretty new to everything related to hardware.
I am searching for a way to connect PWA to POS hardware, like Scanner or cash drawer. How can I access these via PWA or JavaScript?
The hardware you intend to use need to use webUSB api (for e.g. "Canon DR-M160II scanner" uses one), which will of course depend on the implementation by the hardware vendor.
You can either check if there's any compatible hardware already available and then for coding your PWA accordingly, you can refer to this web.dev article.
If you strictly need to use the existing hardware and can get the corresponding hardware vendor to customize it, you can ask them to refer to this article on web.dev.
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so I know a little bit about writing Linux kernel device drivers. And I wrote a device driver for my game controller. The problem is, I want to integrate my device driver to ROS. How should I do that? I don't want to use the pre-existing packages for ROS. And I tried to look for the documentation but to no avail. So, Any help would be appreciated! Thank you!
ROS is a strongly-typed messaging system, that wraps the real math/code up, to provide a generic interface via topics and messages. Write your code, write a ROS node, call your code from the ROS node, and define the publishers/subscribers/interface you want other nodes to talk to you by.
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I'm trying to build a swift app that would allow a user on one side to draw an image that will be updated in nearly real time on the other user's device, somewhat as if they were drawing on a whiteboard in person.
Anyone have any tips or places where I should start? I'm relatively new to swift. Thanks for your help.
This requires a persistent line of communication between your mobile device(s) and your server. Websockets allow this type of communication. I haven't implemented them myself so I can't provide implementation details, but there are plenty of resources available online.
Sockets with Swift
Websockets Tutorial
I think Realm is exactly what you are looking for.
Real time collaboration in as little as 10 lines of code
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Is pgadmin aware of PostgreSQL large objects?
pgAdmin does not appear to have any special large object support. You can however use the standard sql language functions available on any client interface to manage them. See http://dave.webdev.pgadmin.org/docs/1.4/pg/largeobjects.html as a reference of these functions.
This leads to a number of important limitations. You would get an escaped string when you pull a large object from the database. You cannot, say, pull a file and display it as an image or the like.
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I want to developed iphone application in which i want to track another iphone on google map with in 10km region what kind of API can i use please tell me
Thanks
You'll need the device you're tracking to tell you its position. That means that it'll have to be running some app (possibly the same app) to get its position using Core Location. Then, it'll have to provide that information. As Richard Ross points out in his comment, you could do that using GameKit. Another approach would be to have the device send its location to a server that you create, perhaps using a web service. Your device would then query the server to find out the location(s) of device(s) it cares about.