Web usb devices not displaying in chrome windows 10 [closed] - google-chrome

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I am using chrome version 86.0.4240.193 in my windows 10 .I am trying to connect usb devices and cant find any device in chrome://devicelog. The same devices are being detected in mac and even in ubuntu 18.04 installed chromes .I am really in a fix any help regarding this ? .Can anyone tell me why this issues occurs
.I have installed and reinstalled chrome many times ,but nothing works.
Thanks

The most common reason you will see a device available on other platforms but not on Windows is that Windows imposes additional restrictions on what devices can be controlled from a user-space application such as Chrome. Microsoft provides a special driver called WinUSB.sys which must be the selected driver for the device. If you are building your own device I have published a guide for designing a device to support WebUSB across all platforms. If you are working with a device you don't have the ability to change then Zadig provides a tool for replacing the driver for a USB device with the WinUSB.sys driver.
To see what driver has been selected for your device,
Open the Windows Device Manager control panel.
Find the device.
Right-click on it and select "Properties".
Open the "Driver" tab.
Click "Driver Details".

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How to run BIOS from 386 motherboard in qemu? [closed]

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I'm trying to start a dd-wired hard drive with the following command:
qemu-system-i386 -drive format=raw,file=dos.img
And it works great:
However, if you try to load an external BIOS, none of the BIOS images in any way wants to start. The emulation system tells me the following message:
Guest has not initialized the display (yet)
And Tried various ways to start, so far the command is this:
qemu-system-i386 -machine pc -bios SER386AD3.BIN -vga cirrus
What am I doing wrong and what are the solutions?
I tried to run the old BIOS in the qemu emulation system.
You shouldn't expect to be able to run a real hardware BIOS image on QEMU. Generally speaking, BIOS binaries are tightly tied to the specific hardware that they are running on (eg which specific motherboard chipset is used on the motherboards they were built for). Even if the BIOS is intended to work with the i440fx or q35 chipsets that QEMU emulates, it may also try to exercise hardware features which QEMU doesn't emulate (because no higher-than-BIOS-level code needs to touch them), or touch motherboard-specific hardware. It's likely that the BIOS has crashed before it was able to get to the point of enabling the display.
The intended BIOS for QEMU is one which is aware of QEMU, such as SeaBIOS (which is the default).

Raspberry Pi2 Windows 10 IOT core and Visual Basic 2015 [closed]

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Is it possible to run Visual Studio on a Raspberry PI 2 with Windows IOT core on it?
I want to creating create a touch-screen (HDMI with RPI2) application on Windows 10, which will be used to take the orders of customers and transfer the order information to another Raspberry PI running MySQL server.
I was able to implement this on PC but I want to implement it on RPI. Is it possible or should I use Gambas for that purpose?
you might try to use the driver provided by MySQL
http://dev.mysql.com/doc/connector-net/en/connector-net-rt.html
But my suggestion would to create an UWP app for your client Raspberry Pi running Windows 10 IoT Core and a web service to expose your MySQL database server on the other Raspberry Pi running a Linux distribution.
So the key is to make your client consume a web service. This way, you can change your service location or database format freely.
I am working on Official RPi 7" Touchscreen(https://www.raspberrypi.org/blog/the-eagerly-awaited-raspberry-pi-display/) for Windows IoT with a community member. This display works with RPi2 + Windwos IoT but touch won't works. We are working to get support for touch and got partial success to retrieve touch data but we still require 1-2 months. Hope that Microsoft will soon release support for Official RPi 7" Touchscreen in Windwos IoT.
Once we got success, will report back here with source code.
Update (15-DEC-2015)
Right now, RPi2 (Windows IoT) supports a touchscreen display from chalkboard electronics only. Setup instruction for this touchscreen is given at ms-iot Website's Miscellaneous section.

To download WindowsPhone8 app form IBM app center, we need AET(app enrolmnt tokens),cost 299$-Symantec cert+99$-Windows dev act,any alternative? [closed]

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Hi we have developed a Windows phone 8 mobile application using IBM worklight. For deploying the application to IBM App Center,application is not downloadable unless signed with Symantec/Microsoft. For this it costs me a lot 299$ + 99 $
The Windows Phone version of the mobile client is included as an
unsigned Windows Phone application package (.xap) file in the software
delivery. The IBMApplicationCenterUnsigned.xap file is in the
ApplicationCenter/installer directory.
The unsigned .xap file cannot be used directly. You must sign it with your company certificate obtained from Symantec/Microsoft before you can install it on a device.
Optional: If necessary, you can also build the Windows Phone version
from sources. To build the Windows Phone version, you must have the
latest version of the Microsoft Visual Studio development tools.
It costs 99$ for windows Developer account and 299$ for
Symantec Enterprise mobile code signing certificate
, with which i can sign the application and upload the Application Enrollment Token(AET-aetx) to IBM application center
Is there any alternative or this is the only way to sign the application.
I explored that Microsoft trusts directly the Symantec but will i be able to sign it using some other certificate by IBM or any other sample certificates for deploying the application to IBM app center.
please suggest
IBM does not provide certificates for you. You need to buy a certificate...

error in enabling hyper-v

i have installed window 8 pro. but still unable to run my window phone 8 application. and also i have already enabled hyper-v from my window features settings.
it showing error "hypervisior is not running". and also i have enabled virtulization from my bios settings.
what should i do now .
see the snapshot of my error
https://drive.google.com/file/d/0By99iBtpMUurLVU2cVNXSHJ3dUE/edit?usp=sharing
https://drive.google.com/file/d/0By99iBtpMUurVTNqWW9fN2xTNWs/edit?usp=sharing
As I've answered on another forum - try running Hyper-V Manager directly and try starting the emulator image manually. Most likely there is some error in question unrelated to Windows Phone 8 development.

XAMPP is not running in Window 8.1 [closed]

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After upgrading Window 8 to 8.1 my XAMPP is not running. I can't access my phpmyadmin and getting server not found page.
My XAMMP Details:
Apache 2.2.11
MySQL 5.1.33 (Community Server)
PHP 5.2.9 + PEAR (Support for PHP 4 has been discontinued)
XAMPP Control Version 2.5 from www.nat32.com
phpMyAdmin 3.1.3.1
you may have to put the port that it is running on. thats what i had to do, other than that does it give any errors when starting any of the services?
also i found this windows 8.1 compatibility, and the majority of people have gotten it to work, so i dont think its an incompatibility problem.
Try change www.localhost.com/phpmyadmin to
http://localhost/phpmyadmin/
Check that Windows Defender not block applications needed to run XAMPP. On page XAMPP you can find "Attention..." about false-positives virus warnings. May be it solution. When I try to install XAMPP on Win8.1 x64 this displayed several messages about UAC disable, Antivirus etc.
After Windows updating Apache and MySQL services are removed. So run xampp-control.exe as Administrator and add them (services) back. I had the same problem and this solved
If you have SKYPE installed, either make sure you close SKYPE or disable "Use port 80 and 443 as alternatives for incoming connections" in SKYPE options.