SSL error unsafe legacy renegotiation disabled

WARNING: When enabling Legacy Unsafe Renegotiation, SSL connections will be vulnerable to the Man-in-the-Middle prefix attack as described in CVE-2009-3555. With the help of https://bugs.launchpad.net/bugs/1963834 and https://bugs.launchpad.net/ubuntu/+source/gnutls28/+bug/1856428 Beware that editing your system’s openssl.conf is not recommended, because you might lose your changes once openssl is updated. Create a custom openssl.cnf file in any directory with … Read more

RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu! when resuming training

There might be an issue with the device parameters are on: If you need to move a model to GPU via .cuda() , please do so before constructing optimizers for it. Parameters of a model after .cuda() will be different objects with those before the call. In general, you should make sure that optimized parameters … Read more

Android app unable to start activity componentinfo

Your null pointer exception seems to be on this line: String url = intent.getExtras().getString(“userurl”); because intent.getExtras() returns null when the intent doesn’t have any extras. You have to realize that this piece of code: Intent Main = new Intent(this, ToClass.class); Main.putExtra(“userurl”, url); startActivity(Main); doesn’t start the activity you wrote in Main.java, it will attempt to … Read more

“Error: Main method not found in class MyClass, please define the main method as…”

When you use the java command to run a Java application from the command line, e.g., java some.AppName arg1 arg2 … the command loads the class that you nominated and then looks for the entry point method called main. More specifically, it is looking for a method that is declared as follows: package some; public … Read more