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> `JoinableTaskContext` is supposed to be a singleton in a process. You shouldn't be creating one in an event handler just to call `RunAsync`. > > It looks like you're...

Install this modules ``` C:\Python311>pip install requests==2.28.1 C:\Python311>pip install websocket-client==1.4.0 C:\Python311>pip install pyppeteer==1.0.2 C:\Python311>pip install PyPDF2==2.10.5 C:\Python311>pip install Pillow==8.4.0 ```

I resolved problem with add follows code ``` browser = await launch(options={ 'headless': True, 'autoClose': False, `'executablePath': 'C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe', ```` in downloader.py Look at result download in C:\Python311 folder

New ASP.NET Core projects are configured to bind to a random HTTP port between 5000-5300 and a random HTTPS port between 7000-7300. The selected ports are stored in the generated...

1. Change binding from **WSHttpBinding** to **BasicHttpMessageCredentialType** on Client and Server aide. 2. Add **listenOptions.UseHttps()** in **UseKestrel** when **Listen** on Server. Its worked. ``` public abstract class WcfStartup { private...