This week it was just Paul and Philippe; we discussed the final changes for the upcoming RC2 and stable release, and marked some issues/PR as release blockers.
Graham expects to release 5.40-RC2 before the week-end.
These are some answers to the Week 276, Task 1, of the Perl Weekly Challenge organized by Mohammad S. Anwar.
Spoiler Alert: This weekly challenge deadline is due in a few days from now (on July 7, 2024 at 23:59). This blog post provides some solutions to this challenge. Please don’t read on if you intend to complete the challenge on your own.
You are given an array of integers, @hours.
Write a script to return the number of pairs that forms a complete day.
A complete day is defined as a time duration that is an exact multiple of 24 hours.
Example 1
Input: @hours = (12, 12, 30, 24, 24)
Output: 2
Pair 1: (12, 12)
Pair 2: (24, 24)
Example 2
Following on from The bad days
We made the decision that our problems in Kubernetes were exactly the sort of thing that should not be distractions to the project. We had been trying to save costs when we choose Hetzner for hosting... especially as we did not know where our ElasticSearch cluster (needing 3x32Gig of ram) was going to live. The great news is last week ElasticSeach agreed to host this for us, which really is a game changer.
With this in mind, we reviewed hosting again... Digital Ocean (DO) provides a fully managed Kubernetes control plane, with high availability load balancer, Postgres Database integration and storage options e.g. we can focus on deploying to it and not managing it.
Hey All,
Yes, we're back we'd like to announce this year's LPW:
WHEN: TBC, most likely Saturday 26th October 2024
WHERE: TBC
Please register and submit talks early - it gives us a better idea of numbers. The date is tentative, depending on the venue, but we'd like to aim for the 26th October 2024.
This will be the 20th anniversary of LPW (in terms of years, not number of events). We might try to do something special...
The venue search is currently in progress. The 2019 venue has turned into a boarding school so we can't use that any more due to safeguarding issues. We don't want to go back to the University of Westminster so we are searching for a venue.
In anticipation for the stable release, we:
These are some answers to the Week 265, Task 2, of the Perl Weekly Challenge organized by Mohammad S. Anwar.
Spoiler Alert: This weekly challenge deadline is due in a few days from now (on April 21, 2024 at 23:59). This blog post provides some solutions to this challenge. Please don’t read on if you intend to complete the challenge on your own.
You are given a string, $str containing alphanumeric characters and array of strings (alphabetic characters only), @str.
Write a script to find the shortest completing word. If none found return empty string.
A completing word is a word that contains all the letters in the given string, ignoring space and number. If a letter appeared more than once in the given string then it must appear the same number or more in the word.
Example 1
I just received an E-Mail purporting to be from the PAUSE Team, claiming a compromise of a server. It was written with some thought, referencing the account name of someone well known and trusted in our community. On closer inspection however, it was merely an attempt to phish PAUSE usernames and passwords via a supposed alternative login server.
I'm sure many of us are old enough and experienced enough to detect and ignore this type of attack. But in case you aren't (welcome!) or if you are feeling a bit out of practice, then please remember to only log in via the official PAUSE entry point.
The deadline for talk and paper submissions to the 2024 TPRC has been Officially extended through April 20th for both the regular Perl and Raku tracks; and also the Science Track.
Update for the Science Track submissions, we have a small, but solid set of submissions and are expecting a few more. The Science Perl Committee is committed to helping anyone submitting a serious entry to succeed. If you're hesitating at all because you're afraid of getting rejected, please be reassured we want as many people to be part of this inaugural Science Track, as possible.
Please note, acceptable topics DO include white papers discussing implementation details of the Perl or Raku interpreters, experimental language features, implementations, benchmarks, etc.
I personally and strongly encourage you to submit an abstract to the Science Track. And if you don't want to write a paper, I strongly encourage you to submit a regular conference talk.
Brett Estrade (OODLER)
We were back from the PTS in Lisbon, and had a shorter meeting than usual, during which we mostly discussed the last remaining release blockers for 5.40.
These are some answers to the Week 275, Task 2, of the Perl Weekly Challenge organized by Mohammad S. Anwar.
You are given an alphanumeric string, $str, where each character is either a letter or a digit.
Write a script to replace each digit in the given string with the value of the previous letter plus (digit) places.
Example 1
Input: $str = 'a1c1e1'
Ouput: 'abcdef'
shift('a', 1) => 'b'
shift('c', 1) => 'd'
shift('e', 1) => 'f'
Example 2
This means that personal, technical, systemic and economic well-being in the end are all actual and real dependencies* for the businesses that rely on these people and their projects.*
What can an ecosystem provide to make the lives of these maintainers easier in this regard?
Here’s a quickie little post, just to remind everyone of the usefulness of Date::Easy.
'2024-03-01 09.34.44.jpg'
'2024-03-01 13.18.34.jpg'
'2024-03-31 14.25.27.jpg'
'2024-03-31 14.27.09.jpg'
'2024-03-31 14.27.40.jpg'
'2024-03-31 14.28.23.jpg'
'2024-03-31 14.30.03.jpg'
'2024-03-31 14.33.32.jpg'
'2024-03-31 14.34.10.jpg'
'2024-03-31 14.36.01.jpg'
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Well! said I. This is hardly ideal. A foolish consistency may well be the hobgoblin of little minds, as Emerson once wrote, but there is certainly something to be said for a sensible consistency. But ... how to achieve it?
Discussed some specific ideas for future perl development - more ways to allow CPAN modules to experiment with new ideas, import some possibly-stable ideas from CPAN into core.
Reviewed the list of ongoing experiments in perlexperiment.pod to work out what can now be declared stable. We’re technically past “user visible changes” freeze but maybe the list will be happy with these changes anyway.
Observed that SSL-in-core still hasn’t made any progress, and wondered further on how we can unstall it and try to get someone working on it eventually. Maybe writing a PPC doc would help?
These are some answers to the Week 274, Task 1, of the Perl Weekly Challenge organized by Mohammad S. Anwar.
Spoiler Alert: This weekly challenge deadline is due in a few days from now (on June 23, 2024 at 23:59). This blog post provides some solutions to this challenge. Please don’t read on if you intend to complete the challenge on your own.
You are given a sentence, $sentance.
Write a script to convert the given sentence to Goat Latin, a made up language similar to Pig Latin.
Rules for Goat Latin:
1) If a word begins with a vowel ("a", "e", "i", "o", "u"), append "ma" to the end of the word. 2) If a word begins with consonant i.e. not a vowel, remove first letter and append it to the end then add "ma". 3) Add letter "a" to the end of first word in the sentence, "aa" to the second word, etc etc.
Example 1
Talk submissions are still open, and we are seeking proposals on a wide variety of subjects. This includes language features, personal projects, applications like Koha, and anything that may be of general interest to Perl and Raku programmers.
To submit an abstract, please see the authoritative Science Perl CFP or for a standard talk visit the familiar Papercall site.
Please note it is our (the Science Perl Editorial Subcommittee) goal to be able to accept as many perl+science papers and posters as possible, as such our editorial process is designed to be very friendly.
Science Track Deadlines (initial submission is same date/time as the standard talk tracks):
PLEASE SPREAD THE WORD!
Thank you and I am looking forward to some very good things to see in Vegas, baby!
Brett Estrade (OODLER)
If you’ve never worked with MooX::Role::Parameterized or MooseX::Role::Parameterized, you might wonder what is a parameterized role at all?
Roles are used when you need to share behaviour among several classes that don’t have to be related by inheritance. Normally, a role just adds a bunch of methods to the class that consumes it (there’s more, you can for example specify which other methods the role expects to already exist).
A parameterized role makes it possible to provide parameters for the consumed role. This way, you can adjust the behaviour for each consuming class.
This week, we discussed:
These are some answers to the Week 273, Task 2, of the Perl Weekly Challenge organized by Mohammad S. Anwar.
Spoiler Alert: This weekly challenge deadline is due in a few days from now (on June 16, 2024 at 23:59). This blog post provides some solutions to this challenge. Please don’t read on if you intend to complete the challenge on your own.
You are given a string, $str.
Write a script to return true if there is at least one b, and no a appears after the first b.
Example 1
Input: $str = "aabb"
Output: true
Example 2
Input: $str = "abab"
Output: false
Example 3
Input: $str = "aaa"
Output: false
Following on from day 1
Joel and I spent some more time working out disk provisioning and then decided to upgrade the nodes in the cluster... this is where the problems started...
I shutdown a node to resize it... and the site went down, no healthy backends was then displayed to all users by Fastly (our CDN) for any content that wasn't in their cache. This is not meant to happen!
We also couldn't connect to Argo (web UI for Kuberneties deployment and a view on the K8's API status) or even the kubectl command line tool.
Starting the node backup (after having upgraded) and all came back. We quickly realised that everything was using Round Robin DNS to all 3 node IP's. There was ` Traefik ` setup but it was tied to those IPs and something was not happy. We then looked at alternative tooling and thought it might be worth using rke2 instead of k3s as the underlying flavour of K8s as this would give us a little more flexibility.
Show code for TL;DR:
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