logo
down
shadow

PERL QUESTIONS

Getting "400 Bad Request" and "invalid_grant" message with "Net::Google::Drive::Simple"
Getting "400 Bad Request" and "invalid_grant" message with "Net::Google::Drive::Simple"
hop of those help? First thing to check:Your server’s clock is not in sync with NTP. (Solution: check the server time if its incorrect fix it. )
TAG : perl
Date : November 25 2020, 11:01 PM , By : AinzOoalGown
Group input values using Perl
Group input values using Perl
I hope this helps you . First off - I wouldn't use separate arrays. A single data structure - an array of hashes - looks more sensible for your use case.Secondly - $/ is your friend. It's the record separator, and lets you iterate 'record by record'
TAG : perl
Date : November 24 2020, 11:01 PM , By : Aiden
Unblessed Hashref error
Unblessed Hashref error
I think the issue was by ths following , keys($ref) was an experimental feature that has been abandoned. You shouldn't be using it. You must pass an hash (keys(%...)) or an array (keys(@...)) to keys.
TAG : perl
Date : November 22 2020, 11:00 PM , By : Nadav Bilu
Perl: tr/// is not doing what I expect whereas s/// is
Perl: tr/// is not doing what I expect whereas s/// is
will be helpful for those in need When you don't have use utf8;, but you are viewing the code with a utf8 text editor, you're not seeing it the way perl sees it. You think you have a single character in the left half of your s/// and tr/// but becaus
TAG : perl
Date : November 18 2020, 11:01 PM , By : R-man Maoeck Boedoet
How to append and the line once the matched pattern is found
How to append and the line once the matched pattern is found
I hope this helps . Note in perlre and RE.info that using $ and { ... } have special meanings within regular expressions. You may not see output because you are missing at least one print statement. The first curly enclosure (ie: {\d+}) could be opti
TAG : perl
Date : November 12 2020, 11:01 PM , By : Michal Suchanek
perl - Trying to use a while loop to ask the user if they want to do that again
perl - Trying to use a while loop to ask the user if they want to do that again
it should still fix some issue Your program is almost right, just a few issues: Please get used to always add use strict; and use warnings; to your scripts. They will (beyond other things) force you to declare all the variables you use (with my $num=
TAG : perl
Date : November 10 2020, 11:01 PM , By : Zusite Majulas Palom
Linux - Perl fork loop without exiting child process
Linux - Perl fork loop without exiting child process
I hope this helps you . It's because the point at which you fork() both processes start at exactly the same point. So 'child 1' will continue to run, and continue through the loop, and run 'iteration 2'.
TAG : perl
Date : November 08 2020, 11:01 PM , By : Sumam
Deadlocks due to buffering. How does it work?
Deadlocks due to buffering. How does it work?
I wish this help you The reason for the deadlock seems to be that the pipes get filled up when writing and no one reads from them. According to pipe(7):
TAG : perl
Date : November 07 2020, 11:01 PM , By : Jad
Perl find out if X is an element in an array
Perl find out if X is an element in an array
Hope that helps You are using an anonymous array [ ... ] there, which as a scalar (reference) is then assigned to @techarray, as its only element. It is like @arr = 'a';. An array is defined by ( ... ).A remedy is to either define an array, my @techa
TAG : perl
Date : November 04 2020, 04:05 PM , By : Infinite
seach and replace the value inside curely braces
seach and replace the value inside curely braces
hop of those help? I want to search the value between curly braces for each line in a file and replace the corresponding value with 0x0 (For e.g. 1-->0x01,7-->0x07) , Save it as script.pl and invoke it as $ perl script.pl input.txt:
TAG : perl
Date : November 04 2020, 04:05 PM , By : Shuuya
Perl database connection
Perl database connection
will help you I can't find anything wrong with your code, unless logMsg just doesn't work, but it's a tedious way to go about using DBI.Rather than checking if something went wrong with DBI, it's much better to set DBI to throw an error. You can do t
TAG : perl
Date : November 02 2020, 11:01 PM , By : cinderella
Change attribute value if condition matches in second or third level section elements
Change attribute value if condition matches in second or third level section elements
hope this fix your issue First you need to fix your xpath expression. Your elements are called , not . Then you need to use the right expression to target the elements. They don't directly precede the second , so you need to use two slashes //.
TAG : perl
Date : November 01 2020, 01:04 PM , By : David Z
Multiple writes to SQLite from Perl
Multiple writes to SQLite from Perl
I hope this helps . You can't. SQLite doesn't allow concurrent writes.From official documentation:
TAG : perl
Date : November 01 2020, 12:01 AM , By : Vicente Echo
Finding elements in a site with iframes using Perl selenium
Finding elements in a site with iframes using Perl selenium
I hope this helps . On proper researching I can answer my query. To switch to a frame we can use following two options: Switching to a frame using its id:
TAG : perl
Date : October 31 2020, 09:54 AM , By : t-bast
Declaring dependencies on specific versions of Perl modules using Dist::Zilla
Declaring dependencies on specific versions of Perl modules using Dist::Zilla
it helps some times Dist::Zilla::Prereqs uses CPAN::Meta::Spec to do the prereqs. That doc describes the syntax in the Version Ranges chapter.
TAG : perl
Date : October 31 2020, 05:55 AM , By : Sirkadirov
How to pipe the content of a variable as STDIN in a qx{} statement in Perl?
How to pipe the content of a variable as STDIN in a qx{} statement in Perl?
may help you . This answer is a very naive approach. It's prone to deadlock. Don't use it!ikegami explains in a comment below:
TAG : perl
Date : October 31 2020, 12:01 AM , By : Marcin Kołodziejczak
How to pass a subroutine as a parameter to another subroutine
How to pass a subroutine as a parameter to another subroutine
Any of those help You can take subroutine reference using \subname syntax and then, you can easily pass it to other subroutine as arguments like a scalar. This is documented in perlsub and perlref. Later you can dereference it using Arrow operator(->
TAG : perl
Date : October 29 2020, 12:01 AM , By : k. kh
Perl & CFD-Post: Calculating the average of a sequence of numbers on the fly to an output file using Perl
Perl & CFD-Post: Calculating the average of a sequence of numbers on the fly to an output file using Perl
Any of those help Update Here's your code updated to do what I think you want. It writes two output files instead of one: pressure.txt and avg.txt. I have also fixed a few instances of bad practice in your code; in particular you should have use stri
TAG : perl
Date : October 22 2020, 03:08 PM , By : Jemil
what is the meaning of prototype in perl?
what is the meaning of prototype in perl?
I think the issue was by ths following , Looking at your previous question, your prototype is this:
TAG : perl
Date : October 21 2020, 01:08 AM , By : Vibhu tayal
Is this Canary::Stability rant a legitimate concern?
Is this Canary::Stability rant a legitimate concern?
To fix this issue p5p, the informal team that maintains Perl, takes backwards compatibility very seriously.[1] They have a formal policy concerning this in perlpolicy.Let's put Canary::Stability into context.
TAG : perl
Date : October 15 2020, 03:08 PM , By : Matt Hagerty
How to read a config file from a command line using perl (automation)
How to read a config file from a command line using perl (automation)
this one helps. I am new to Perl and need help with this. , To open a file for reading use:
TAG : perl
Date : October 14 2020, 09:39 AM , By : Leandro Jiménez Jimé
How to sort an hash Reference in perl by descending/ascending values and ascending/descending keys?
How to sort an hash Reference in perl by descending/ascending values and ascending/descending keys?
help you fix your problem Sort is using an expression to work out what order to sort things in, so it's not limited to just comparing one thing. In your case you want something like this...
TAG : perl
Date : October 14 2020, 09:38 AM , By : Valarie Mance
shadow
Privacy Policy - Terms - Contact Us © soohba.com