I have created an installer using the qt Installer in W8.1. When I want to install it in W10, Microsoft Defender is showing me a security message:
How I can bypass this message?, my software is using just a camera, I didn't have any problem in virustotal.com as well
You should sign your app using signtool
https://learn.microsoft.com/en-us/windows/win32/seccrypto/cryptography-tools
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With Xamarin.Forms I'm developing a mobile app. In Android I get this succesfully running on a device. I succeeded to create an app package from the UWP project and install it on my own Windows 10 PC. This is also my developing machine, so it's in Developer Mode by default. So it runs here without any problems.
My purpose is to get it running on Windows 8.1 Pro (tablet size). It just needs to consume the app. When installing the app by using the script, it's throwing the error that no developers license is found. On this device I didn't found anything to put it in Developers Mode, but it seems me that this is not needed, because it only consuming the app and no developing will take place on it.
It's is an internal app, so no need to place it on the Windows Store.
So my exact question: how can I install this app on this device without setting everything up for a Developer?
The answer would be no. Windows 10 has more new API and concepts that are not available on Windows 8.1. UWP app will not backward compatible to Windows 8.1. But WRT app will be Upward compatible to windows 10. It means that the windows 8 store app could run in windows 10. for more please refer Move from Windows Runtime 8.x to UWP.
I have already created Qt based application which uses some third-party open source library like OpenCV, I have looked Windows Dev Center and seems the all the reference is using Visual Studios and other Windows tool. I have created my App using Qt creator. Is it possible to submit such an application on Windows App store?
Any help will be appreciated,
Thanks
Haris
Bad news: Microsoft does not support Win32 apps on AppStore yet (but it has been announced, currently under development as "Project Centennial"). It looks like an "old-school" desktop applications cannot be submitted to the Windows App store.
Good news: Qt has support for WinRT (complete in Qt 5.6 which is currently in Beta and will be released in a few weeks). And qmake can generate a Visual Studio solution from your project (in case you need it for deployment or debugging; VS Community edition is free).
Qt WinRT tutorial: http://doc.qt.io/qt-5/winrt-support.html
OpenCV in WinRT: https://msopentech.com/blog/2014/03/20/easily-build-opencv-powered-apps-for-windows-store/
I have developed a custom media player that works on Windows 7. I used QMediaPlayer, QVideoWidget and QMediaPlaylist classes. I need to port the app to Linux. Do these classes also exist for Linux? Do they come automatically when installing Qt?
I tried copying the project to my Linux partition and recompiling but it can not find the headers.
Check weather the major version of Qt is the same on both platforms.
Seeing your description, I believe you are using an older version of Qt on the Linux machine as compared to the Windows machine.
Hope this helps.
Is it ok to develop ASP.NET web applications on MacBook Pro ?
.NET is only available for Windows. There's the Mono project, which is not affiliated with Microsoft, which aims to create an open source .NET runtime and developer tools, usable on *NIX (including Mac OS X). If you want to develop .NET applications under Mac OS, this is your only choice.
Speaking of a MacBook though, you can install Windows on it using Boot Camp or run it in a virtual machine and develop in Visual Studio like on any other Windows box. And this is ok, I don't think anybody will confiscate your Mac for doing so.
If you have Windows running on the Mac then it is OK.
Another way is to use some .NET IDE for Mac (e.g. MonoDevelop)
New from Microsoft, IDE for Mac, Linux and Windows: https://code.visualstudio.com/Download
The best method to do that would be to install windows 10 with bootcamp and then install .NET . The steps involved are pretty straight forward. Just open bootcamp and create the partition and select the ISO of windows. Once installed, tap the options key on boot to boot to windows. If everything is smooth, you can continue the development, else, just open bootcamp again and delete the partition.
https://www.microsoft.com/en-in/software-download/windows10 - open this on mac to get the legal windows image. This will be valid only for a limited time
When I use the Web Platform installer on Vista x64 Business it doesn't list any of the applications (such as DotNetNuke or SubText).
Has anyone got it to work on Vista 64?
I'm running Vista Home Premium x64 SP2 and can see plenty of web applications with no problem. Is it possible there is some prerequisite software or libraries you need to install (say, using the WPI) before you can install web applications?
The first step I'd take is to uninstall WPI, restart your computer, and reinstall WPI. It sounds so basic but the simplest fixes are so often sufficient.
Is everything on your system up-to-date?
It should work with Vista x64 Business edition. The application catalog is downloaded from the web via http requests. You might try using a tool like Fiddler Web Debugger to determine if the app is able to connect properly. You may have a firewall or network issue preventing it from fetching the list of applications.