exception-handling

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C# User defined exception, cast between exceptions?

1) I have created a test exception. public class TestException : Exception { string info; public string Info { get { return info; } set { info = value; } }[详细]

2023-02-05 08:06 分类：问答
Format exception message thrown by Spring security in filter chain

The setup: Resteasy + Spring Security on Tomcat. Data exchanged between client/server is in JSON format.[详细]

2023-02-05 07:45 分类：问答
If catching null pointer exception is not a good practice, is catching exception a good one?

I have heard that catching NullPointerException is a bad practice, and i think it is sensibly so. Letting the NullPointerException to propagate to the top would allow the detection of a something goin[详细]

2023-02-05 07:23 分类：问答
set wallpaper should be this hard :(

ok i think it\'s throwing an exception. unfortunately i am not getting an error. it loads on the emulator and my phone but won\'t perform. it just says, \"The application MyApp (process com.myapp) has[详细]

2023-02-05 06:56 分类：问答
When to use custom exception [duplicate]

This question already has answers here: Closed 12 years ago. Possible Duplicate: Create custom exception or use built-in exceptions?[详细]

2023-02-05 06:49 分类：问答
Is it good practice to use exceptions for control flow in Ruby or Ruby on Rails?

I am reading Agile Web Development with Rails (4th ed.) and I have found the following code class ApplicationController < ActionController::Base[详细]

2023-02-05 05:57 分类：问答
effective use of python shutil copy2

if we take a look at a file copy function, we can see there are several exceptions to handle. A good example is here: http://msdn.microsoft.com/en-us/library/9706cfs5.aspx[详细]

2023-02-05 03:06 分类：问答
OSError's filename attribute unavailable?

I have the following code: except(OSError) as (errno, strerror, filename): print \"OSError [%d]: %s at %s\" % (errno, strerror, filename)[详细]

2023-02-05 01:09 分类：问答
How do we handle Python xmlrpclib Connection Refused?

I don\'t know what the heck I\'m doing wrong here, I wrote have an RPC client trying to connect to a non-existent server, and I\'m trying to handle the exception that is thrown, but no matter what I t[详细]

2023-02-05 00:13 分类：问答
Dynamics Ax 2009, Exception Handling

In my x++ code I have the following void run() { try { startLengthyOperation(); this.readFile(); } catch (Exception::Deadlock)[详细]

2023-02-04 22:40 分类：问答