Based on my current understanding of hashes in Perl, I would expect this code to print \"hello world.\" It instead prints nothing.
Lets assume I have two hashes. One of them contains a set of data that only needs to keep things that show up in the other hash.
For an assignment in college, we have to make a script in Perl that allows us to manage an inventory for an e-store. (The example given was Amazon). Users can make orders in a fully text-based environ
I have Hash where values of keys开发者_JAVA技巧 are other Hashes. Example: {\'key\' => {\'key2\' => {\'key3\' => \'value\'}}}
This is the code snippet I am working with: my %photo_details = ( \'black_cat\' => ( (\'size\' => \'1600x1200\', \'position\' => -25),
# I have a hash my %my_hash; # I have an array @开发者_开发百科my_array = [\"aa\" , \"bbb\"]; # I store the array in my hash
加载中,请稍侯......