Debugging
16 published questions
What you’ll find here
- Short, practical answers with runnable Perl code blocks.
- Sandbox-verified output (proof that the example actually runs).
- Notes on common pitfalls and version differences.
- intermediate • 2025-12-30How to validate function arguments in Perl?
- beginner • 2025-12-30How to pretty print JSON data in Perl?
- beginner • 2025-12-30How to handle 'Can't locate module' error in Perl?
- advanced • 2025-12-30How to profile Perl script performance?
- advanced • 2025-12-30How to find memory leaks in Perl script?
- intermediate • 2025-12-30How to log debug messages to file in Perl?
- intermediate • 2025-12-30How to enable autodie for automatic error checking in Perl?
- intermediate • 2025-12-30How to debug regex patterns in Perl?
- beginner • 2025-12-30How to fix 'Use of uninitialized value' warning in Perl?
- intermediate • 2025-12-30How to print stack trace on error in Perl?
- beginner • 2025-12-30How to check if variable is defined in Perl?
- intermediate • 2025-12-30How to trap and handle errors with eval in Perl?
- intermediate • 2025-12-30How to debug Perl script with perl -d?
- beginner • 2025-12-30How to use strict pragma in Perl?
- beginner • 2025-12-30How to enable warnings in Perl script?
- beginner • 2025-12-30How to use Data::Dumper to debug complex data structures in Perl?