If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?
Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical?
What does `$result = f() .. g()' really return?
What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.)
What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?
What's the difference between /^Foo/s and /^Foo/?
When would `local $_' in a function ruin your day?
Why aren't Perl's patterns regular expressions?
Why is it hard to call this function: sub y { "because" } ?
How do I replace every character in a file with a comma?
Which of these is a difference between Perl and C++ ?
How do I sort a hash by the hash value?
How do I sort a hash by the hash key?
How many ways can we express string in Perl?
How to read file into hash array ?