How to write trycatch in R

I want to write trycatch code to deal with error in downloading from the web. url <- c( "http://stat.e

Brianne

0 1 0 9

asked 07 September, 2021

ASP.NET Core Web API exception handling

I am using ASP.NET Core for my new REST API project after using regular ASP.NET Web API for many years. I don&

Clarice

0 1 0 9

asked 07 September, 2021

Why does this Jython loop fail after a single run?

I've got the following code: public static String getVersion() { PythonInterpreter interpreter = ne

Clarice

0 1 0 9

asked 07 September, 2021

How to catch an exception in python and get a reference to the exception, WITHOUT knowing the type?

I'm wondering how I can catch any raised object (i.e. a type that does not extend Exception), and still g

Vi

0 1 0 9

asked 07 September, 2021

What exceptions should be thrown for invalid or unexpected parameters in .NET?

What types of exceptions should be thrown for invalid or unexpected parameters in .NET? When would I choose on

Renaldo

0 1 0 9

asked 07 September, 2021

.NET Global exception handler in console application

Question: I want to define a global exception handler for unhandled exceptions in my console application. In a

Clarice

0 1 0 9

asked 07 September, 2021

What is a NullReferenceException, and how do I fix it?

Nidia

0 1 0 9

asked 07 September, 2021

What does "Fatal error: Unexpectedly found nil while unwrapping an Optional value" mean?

My Swift program is crashing with EXC_BAD_INSTRUCTION and one of the following similar errors. What does this

Alba

0 1 0 9

asked 07 September, 2021

Node.js Best Practice Exception Handling

I just started trying out node.js a few days ago. I've realized that the Node is terminated whenever I ha

Omar

0 1 0 9

asked 07 September, 2021

Manually raising (throwing) an exception in Python

How can I raise an exception in Python so that it can later be caught via an except block?

Royal

0 1 0 9

asked 07 September, 2021

Catch multiple exceptions in one line (except block)

I know that I can do: try: # do something that may fail except: # do this if ANYTHING goes wrong I

Chaya

0 1 0 9

asked 07 September, 2021

How can I safely create a nested directory in Python?

What is the most elegant way to check if the directory a file is going to be written to exists, and if not, cr

Dorian

0 1 0 9

asked 07 September, 2021

jQuery Ajax error handling, show custom exception messages

Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message? For examp

Cortez

0 1 0 9

asked 07 September, 2021

How do you assert that a certain exception is thrown in JUnit 4 tests?

How can I use JUnit4 idiomatically to test that some code throws an exception? While I can certainly do somet

Hallie

0 1 0 9

asked 07 September, 2021

Avoiding NullPointerException in Java

I use object != null a lot to avoid NullPointerException. What is an alternative to: if (someobject != null) {

Serina

0 1 0 9

asked 07 September, 2021