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How-to articles, tricks, and solutions about EXCEPTION

Can I catch multiple Java exceptions in the same catch clause?

Yes, you can catch multiple exceptions in the same catch clause in Java.

java exception try-catch multi-catch

Catch multiple exceptions in one line (except block)

In Python, you can catch multiple exceptions in a single except block by separating the exceptions with a tuple.

python exception exception-handling

How can I handle the warning of file_get_contents() function in PHP?

The file_get_contents() function in PHP is used to read a file and return its contents as a string.

php function exception warnings file-get-contents

How can I safely create a nested directory?

To safely create a nested directory in python, you can use the os module and the makedirs function.

directory path python exception operating-system

How can I solve "java.lang.NoClassDefFoundError"?

java.lang.NoClassDefFoundError is an error that occurs when the Java Virtual Machine (JVM) can't find a required class definition at runtime. This can happen for a variety of reasons, including:

java exception package noclassdeffounderror

How can I write a `try`/`except` block that catches all exceptions?

You can catch all exceptions by using the Exception class in the except block, like this:

python exception

How do I check if a variable exists?

In Python, you can check if a variable exists by using the globals() or locals() function to check if the variable is in the global or local namespace, respectively.

python exception variables

How do I print an exception in Python?

You can print an exception in Python by using the print() function and passing the exc variable which is the default variable name for an exception.

python exception error-handling

How do you test that a Python function throws an exception?

You can use the pytest.raises function to test that a Python function throws an exception.

python exception unit-testing

How to assert that a certain exception is thrown in JUnit tests?

To assert that a certain exception is thrown in a JUnit test, you can use the @Test annotation's expected attribute. Here's an example:

java exception junit junit4 assert