try-catch Archives - Page 2 of 3

Can I try/catch a warning?

I need to catch some warnings being thrown from some php native functions and then handle them. Specifically: array dns_get_record ( string $hostname ...

May 8, 2022
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Why should I not wrap every block in “try”-“catch”?

I have always been of the belief that if a method can throw an exception then it is reckless not to protect this ...

May 5, 2022
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I want to write trycatch code to deal with error in downloading from the web. url <- c( "http://stat.ethz.ch/R-manual/R-devel/library/base/html/connections.html", "http://en.wikipedia.org/wiki/Xz") y <- mapply(readLines, ...

May 5, 2022
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Is it a good practice to use try-except-else in Python?

From time to time in Python, I see the block: try: try_this(whatever) except SomeException as exception: #Handle exception else: return something What is ...

May 2, 2022
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Why catch and rethrow an exception in C#?

I’m looking at the article C# – Data Transfer Object on serializable DTOs. The article includes this piece of code: public static string ...

April 29, 2022
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Can I catch multiple Java exceptions in the same catch clause?

In Java, I want to do something like this: try { ... } catch (/* code to catch IllegalArgumentException, SecurityException, IllegalAccessException, and NoSuchFieldException ...

April 21, 2022
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How to catch and print the full exception traceback without halting/exiting the program?

I want to catch and log exceptions without exiting, e.g., try: do_stuff() except Exception as err: print(Exception, err) # I want to print ...

April 14, 2022
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Try-catch speeding up my code?

I wrote some code for testing the impact of try-catch, but seeing some surprising results. static void Main(string...

April 11, 2022
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What is the proper way to handle a NumberFormatException when it is expected?

Is there a method that I can call that will tell me if Integer.parseInt() will throw a NumberFormatException before calling it? Then I ...

April 8, 2022
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EOFException – how to handle?

While reading from the file, your are not terminating your loop. So its read all the values and correctly throws EOFException on the next iteration ...

April 8, 2022
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