Recent questions tagged Exception

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exception handling - python isinstance vs hasattr vs try/except: What is better?

I am trying to figure out the tradeoffs between different approaches of determining whether or not with object obj you ... method (and why)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception handling - Python not catching MemoryError

I've wrapped some code that can run out of memory with a try/except block. However, though a MemoryError is ... being unable to be caught? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - when is it necessary to add an `else` clause to a try..except in Python?

When I write code in Python with exception handling I can write code like: try: some_code_that_can_cause_an_exception() ... 's the difference? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - PHP: Dynamic or Programmatic Catch Blocks

I have a situation where it would be nice to be able to have a catch block where the type of the Exception is ... ; } Is this at all possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception handling - c++ abort override

Some C++ libraries call abort() function in the case of error (for example, SDL). No helpful debug information ... handle it. Is it possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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707 views

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exception handling for filter in spring

I am handling exceptions in spring using @ExceptionHandler. Any exception thrown by controller is caught using method ... s wrong in here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception handling - Java InputMismatchException

I have this code and I want to catch the letter exception but it keeps having these errors: Exception in thread " ... number of students"); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - Why is using "vector.at(x)" better than "vector[x]" in C++?

If I want to get to a value in vector I can use two options : use the [] operator. Or I might ... exception. Can somebody please explain this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - Hibernate : attempted to assign id from null one-to-one property: employee

This is my Database structure, One-to-One mapping in MySQL: This is my java file: public class ... CustomerClient.main(CustomerClient.java:31) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - Gradle Project: java.lang.NoClassDefFoundError: kotlin/jvm/internal/Intrinsics

I'm working on a Java project and within this project I did my first try with Kotlin. I started converting some ... gradle does not work for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

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exception - python, __slots__, and "attribute is read-only"

I want to create an object in python that has a few attributes and I want to protect myself from accidentally ... about "read-only" errors? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - Surprising behavior of Java 8 CompletableFuture exceptionally method

I have encountered strange behavior of Java 8 CompletableFuture.exceptionally method. If I execute this code, it ... it's quite surprising. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exception - How can I get around the lack of a finally block in PHP?

PHP prior to version 5.5 has no finally block - i.e., whereas in most sensible languages, you can do ... rather irritating hole in the language? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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635 views

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exception - How to write multiple try statements in one block in python?

I want to do: try: do() except: do2() except: do3() except: do4() If do() fails, execute do2(), if ... , exceute do3() and so on. best Regards See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

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exception handling - Usage of try/catch blocks in C++

In general, I tend to use try/catch for code which has multiple failure points for which the failures have a ... in advance for the help, AJ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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exception - Java: Meaning of catch (final SomeException e)?

What does final do in the following Java expression? catch (final SomeExceptionType e) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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exception - Closing a Java FileInputStream

Alright, I have been doing the following (variable names have been changed): FileInputStream fis = null; try ... too many checked exceptions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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755 views

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exception handling - Multiple try-catch or one?

Normally, I'd do this: try { code code that might throw an anticipated exception you want to handle code code ... I made the tags reflect that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

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exception - How to change the message in a Python AssertionError?

I'm writing per the following, in which I try to produce a decent error message when comparing two multiline blocks ... nose to run the test. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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451 views

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exception - Please explain RuntimeException in Java and where it should be used

I am following this great discussion at SO, titled: The case against checked exceptions , but I am unable to ... in greater detail here. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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687 views

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exception handling - ASP.NET Web API: Non-descriptive 500 Internal Server Error

As title says, I've got 500 Internal Server Error from GET request to an IQueryable action. The body of the ... get stack trace of that error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

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exception handling - When to use throws in a Java method declaration?

So I thought I had a good basic understanding of exception-handling in Java, but I was recently reading some code ... block and that's it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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exception - Difference between try-catch and throw in java

What is the difference between try-catch and throw clause. When to use these? Please let me know . See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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exception - Passing multiple error classes to ruby's rescue clause in a DRY fashion

I have some code that needs to rescue multiple types of exceptions in ruby: begin a = rand if a > 0.5 ... clause when I attempt the above. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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602 views

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exception handling - .NET 4 Serial Port ObjectDisposedException on Windows 7 Only

This is a problem I used to have all the time with the serial port class in .NET 2.0. It was ... -serial adapter on XP works beautifully. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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806 views

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exception - Could not load assembly System.Data.SQLite.dll

I have a perfectly working windows forms C# .NET 4 application that uses a SQLite3 database file to store data and ... can't find it? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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exception - Hashtable insert failed. Load factor too high. - ASP.NET 2.0

I received the following error while trying to login to a secured directory. As far as I know there are no large ... .NET Version:2.0.50727.1433 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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692 views

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exception - WPF Recursive call to Automation Peer API is not valid

I am receiving an error message "Recursive call to Automation Peer API is not valid" when loading a datagrid ... this issue is appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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