Advertisements In this example try: raise ValueError except ValueError as e: raise IndexError from e The traceback notes … ValueError: The above exception was the direct cause of the following exception: IndexError … If I were to catch the IndexError, how would I inspect the traceback to discover that it was caused by a ValueError?… Read More Determine cause of exception

Advertisements I have code like this: try { await myFunc(); } catch (MyException ex) { switch (ex.Code) { case 1: … break; case 2: … break; … } } And was wondering is it possible to make all that look something like this: … { await myFunc().HandleMyExeptions(OnMyException); } private void OnMyException(int exCode) { switch (ex.Code)… Read More 'Catch exception' extension on Task class

Advertisements I coded the following java snippet. I want to throw, catch and handle exception if user enters value other than "A","B" or "C". I know this can be done without exception but my task is to implement this with exception. The following code catches exception but the problem is that even if I enter… Read More Validating Input string with Exceptions in Java

Advertisements I’m doing some java exercise for an exam and I have a problem in some of them, like this: This is the code: public class A1 { public static void main(String [] argv) throws Exception { try { m(); System.out.print(1); } catch( Exception u ) { System.out.print(2); } finally { System.out.print(3); throw( new MyExc2()… Read More Unreachble catch block java exercise

Advertisements I have a scenario where I call a library method that catches any exception that occurs and re-throws another exception. Is there a way I can get the original exception? Please find a minimal reproducible code below: def f(): raise KeyError("key not found") def g(): try: f() except Exception as e: raise Exception(f'{e}’) try:… Read More Can I know the actual exception caught by the method?

Advertisements The following code works on Samsung devices to get the Android version number: String buildVersionRelease = Build.VERSION.RELEASE_OR_CODENAME; The same code returns this error on OnePlus devices (3T and 5T) java.lang.NoSuchFieldError: No static field RELEASE_OR_CODENAME of type Ljava/lang/String; in class Landroid/os/Build$VERSION; or its superclasses (declaration of ‘android.os.Build$VERSION’ appears in /system/framework/framework.jar!classes2.dex) >Solution : You can take… Read More Is there a reason why OnePlus devices don't have the Build.VERSION.RELEASE_OR_CODENAME value

Advertisements I am writing a program that converts a prefix expression to a postfix expression. For an expression like " x-x-ABC+BA " the program should throw an out of bounds exception, and the program should continue onto the next line (from the input document), I have managed to make it work for one expression like… Read More How to catch an out of bounds exception in Java and continue?

Advertisements My textbook says : "In Python, exceptions are errors that get triggered automatically. " What does it mean? I had thought about this statement for sometime but unable to understand it. (P.S. I am a beginner in the computer field . Please give a understandable answer for me) >Solution : "In Python, exceptions are… Read More Clarification regarding a statement on exceptions

Advertisements Why can’t I add a variable value into a string using this code: throw new ArgumentOutOfRangeException("Any Opening Type besides ‘None’, should have a minimum width value of 50. Your inputed value = {0}",value); The error I get is: "CS1503: Argument 2: Cannot convert from ‘int’ to ‘System.Exception?’" But when I use this code it… Read More Passing a value into an Exception String Message