exception

问题 This is the code that I have been trying import java.util.Scanner; import java.io.*; abstract class Account implements Serializable { protected String accountHolderName; protected long balance; protected ObjectOutputStream accData; Scanner input = new Scanner(System.in); } class Savings extends Account implements Serializable { Savings() throws IOException { System.out.print("enter your name: "); accountHolderName = input.nextLine(); System.out.print("\n"); System.out.print("enter your

问题 I'm going to create a student information system based on a tutorial. As soon as a user wants to add a new student to the database the following exception occurs. I tried to learn something about TypeInitializationException and I understand a little by its name.. but I can't get it totally. Besides, the exception is absent from the tutorial I'm following.. I'm new in this type of OOP programming and handling errors. I included my database connection and database access class below.. My DB

问题 I'm going to create a student information system based on a tutorial. As soon as a user wants to add a new student to the database the following exception occurs. I tried to learn something about TypeInitializationException and I understand a little by its name.. but I can't get it totally. Besides, the exception is absent from the tutorial I'm following.. I'm new in this type of OOP programming and handling errors. I included my database connection and database access class below.. My DB

问题 I'm going to create a student information system based on a tutorial. As soon as a user wants to add a new student to the database the following exception occurs. I tried to learn something about TypeInitializationException and I understand a little by its name.. but I can't get it totally. Besides, the exception is absent from the tutorial I'm following.. I'm new in this type of OOP programming and handling errors. I included my database connection and database access class below.. My DB

问题 I have searched on the web for a solution, but I didn't find anything. In my C# application I am using MEF for implementing a plugin pattern. Everything is working fine. However today I have tried to figure out what happens if a Plugin Constructor throws an Exception for some reason. To load plugins I am using CompositionContainer.ComposeParts . If for some reason one of the X plugins throws an exception this method will fail and nothing will be loaded. Is there a way to just catch the single

问题 Is there a way to disable all the dialog boxes when an exception or error occurs(like access violations, indy socket errors, timeouts etc.)? They are thrown sometimes in my program, but these errors aren't fatal in any way and can be ignored, just the dialog boxes are disturbing. I use Delphi 7. 回答1: If you just don't wont to show the exception window then go to: Tools/Options/Debugger Options/Language Exceptions and disable CheckBox Notify on language exceptions . That is walid for Delphi

问题 I have a program that, when run in Python 2.7, produces proper Unicode output to the standard output. When run in Python 2.4, I get UnicodeEncodeError: 'ascii' codec can't encode characters in position 1-4: ordinal not in range(128) . What changed between version 2.4 and 2.7 that this works now? 回答1: Although I could not find any mention of it elswhere, it appears that Python 2.7 is automatically converting text to the terminal encoding, instead of throwing an error as expected. Python 2.7: >

问题 I want to set the handler method for all unhandled exceptions from any threads in my WinForms application. I don't create any application domains by myself. According to UnhandledException documentation, I need to set UnhandledExceptionMode.ThrowException mode via Application.SetUnhandledExceptionMode method to catch main thread's exceptions too: In applications that use Windows Forms, unhandled exceptions in the main application thread cause the Application.ThreadException event to be raised

问题 I want to set the handler method for all unhandled exceptions from any threads in my WinForms application. I don't create any application domains by myself. According to UnhandledException documentation, I need to set UnhandledExceptionMode.ThrowException mode via Application.SetUnhandledExceptionMode method to catch main thread's exceptions too: In applications that use Windows Forms, unhandled exceptions in the main application thread cause the Application.ThreadException event to be raised

问题 I want to set the handler method for all unhandled exceptions from any threads in my WinForms application. I don't create any application domains by myself. According to UnhandledException documentation, I need to set UnhandledExceptionMode.ThrowException mode via Application.SetUnhandledExceptionMode method to catch main thread's exceptions too: In applications that use Windows Forms, unhandled exceptions in the main application thread cause the Application.ThreadException event to be raised