15 questions
When generating strings in Perl, I often issue Use of initialized value concatenation, so I would like to resolve it somehow.This appears when you combine variables that are not initialized (or contai...
Currently, I am reading and processing Excel-2007 file (.xlsx) in Perl's CGI program.in CPAN Spreadsheet::XLSX->new (file path);You are using the , but if you have more than 10000 lines of files, y...
a. Set cookies in cgi and Trying to read cookies from b.cgi in the same hierarchyThen an error occurs.b. by specifying the $main->param(READID=>$readid); in cgiThere seems to be an error, but I ...
If global variables $foo, $bar, $buz exist and try to localize them only within a specific scope, I think:use strict;use warnings;use v5.10;our($foo,$bar,$buz) = qw(foo barbuz);UPPER_CASE_WORLD: { # C...
Environment Perl 5.20.1cpanm(App::cpanminus) 1.7044 on perl 5.020001 build for darwin-2 levelmacOS Catalina 10.15.6 As the title suggests, when I try to move the Perl script, Util.bundle cannot be ope...
I'm using the perl file pg (is it like including?) and doing pg::connectdb, but I'd like to check the return value of SQL.# begin.$conn=Pg::connectdb(host=$hostport=$portdbname=$dbname user=$user);$re...
I am a beginner at perl.I have no idea what while(<STDIN>) is in the perl file.What is it?
I'm creating something like a file server.I am generating thumbnails of PDF files using ImageMagic, but there are PDF files that fail with ImageMagic.For that file, I just want to avoid using thumbnai...
Run a select statement using Perl's DBI and read each line.$th->bind_columns(\$name, \$old, \$language);while($th->fetch()) { ...}I'm running the code in the line where $old on the DB does not c...
Thank you for your help.Attempting to operate Apache with Nginx as the reverse proxy.For the time being, most of the configuration tasks have been completed, and HTML and PHP can now be displayed norm...
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