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    question
    Perl image

    How do you test code that uses temporary variables and scope?

    Testing Perl temporary variables scope code validation programming
    question
    Perl image

    How does FFI::Platypus affect performance or memory usage?

    FFI::Platypus Perl performance memory usage foreign function interface
    question
    Perl image

    How do you test code that uses coverage (Devel::Cover)?

    coverage testing Devel::Cover Perl testing code quality
    question
    Perl image

    How does Test::More affect performance or memory usage?

    Performance Memory Usage Test::More Perl Testing Framework
    question
    Perl image

    When should you prefer Carp and confess, and when should you avoid it?

    Perl Carp confess error handling debugging production code stack trace
    question
    Perl image

    What is perl -d debugger in Perl?

    Perl Debugger perl -d debugging Perl scripts Perl programming troubleshooting Perl
    question
    Perl image

    When should you prefer module versioning, and when should you avoid it?

    Perl module versioning dependencies management code compatibility software development
    question
    Perl image

    What are good alternatives to YAML handling (YAML::XS), and how do they compare?

    alternatives YAML Perl YAML::XS data serialization JSON TOML XML data interchange formats
    question
    Perl image

    How does Storable and serialization interact with Unicode and encodings?

    Perl Storable serialization Unicode UTF-8 encoding data structures
    question
    Perl image

    What are common pitfalls or gotchas with map, grep, sort?

    Perl map grep sort coding practices common pitfalls optimization
    question
    Perl image

    When should you prefer sorting with custom comparators, and when should you avoid it?

    Perl custom comparator sorting performance code readability
    question
    Perl image

    How do you use array slices with a short example?

    Perl array slices programming coding programming languages
    question
    Perl image

    How does global matching /g affect performance or memory usage?

    Perl global matching performance memory usage regex /g modifier
    question
    Perl image

    What are common pitfalls or gotchas with dispatch tables?

    question
    Perl image

    What is attributes (sub :lvalue, etc

    Attributes Perl :lvalue subroutine modifiable value
    question
    Perl image

    How do you test code that uses package and namespace?

    Testing Perl Packages Namespaces Code Testing Unit Testing
    question
    Perl image

    How does argument passing (@_) interact with Unicode and encodings?

    argument passing Perl Unicode encodings strings data integrity
    question
    Perl image

    How does subroutines (sub) affect performance or memory usage?

    Perl subroutines performance memory usage optimization modularity code readability
    question
    Perl image

    What is references in Perl?

    Perl references Perl data structures Perl arrays Perl hashes
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    Perl image

    How do you use strict and warnings with a short example?

    strict warnings Perl code quality programming
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