Perl Weekly - all the articles published by Adam Russell

https://adamcrussell.livejournal.com/

2019.04.04 in #402 Perl Weekly Challenge 002
Adam Russell joined the team in the second week but solved last week challenge as well. Here he explains the solution to the second challenge.
2019.04.14 in #403 Perl Weekly Challenge 003
2019.04.16 in #404 Another Week Another Challenge
Adam Russell taking on another challenge and shares his experience.
2019.04.26 in #405 Anagrams!
Interesting use of Fundamental Theorem of Arithmetic, Adam showed it helped him solve Anagrams challenge.
2019.05.09 in #407 Perl Weekly Challenge 007
2019.05.14 in #408 Perl Weekly Challenge 008
Adam solutions always focus on performance. Read the blog to find out more.
2019.05.26 in #409 Perl Weekly Challenge 009
Adam is one of the consistent blogger about weekly challenge. He again came up with clean solution with lots of explanation.
2019.06.02 in #410 Perl Weekly Challenge 010
I love the way Adam Russell approached each challenge. It made me re-wired my own solution.
2019.06.09 in #411 Perl Weekly Challenge 011
Adam made the challenge looks like a child's play. Please take a look.
2019.06.16 in #412 Perl Weekly Challenge 012
Adam, as always, came up with detailed solution for the challenge 012.
2019.06.23 in #413 Perl Weekly Challenge 013
Adam is also very active member of the team. His blog introduced me to few interesting links. Check it out yourself.
2019.06.30 in #414 Perl Weekly Challenge 014
2019.07.14 in #416 Perl Weekly Challenge 016
I enjoyed the discussion of the task in the blog as it shows the thought process. Highly Recommended.
2019.07.19 in #417 Perl Weekly Challenge 017
Adam literaly converted the task spec into perl subroutine. It can't be any simpler. Great use of Parse::Yapp, I must confess it took me long to get my head around.
2019.07.28 in #418 Perl Weekly Challenge 018
Adam use of Class::Struct brought back good old memories. This is the beauty of weekly challenge that you are free to experiment with different ideas. You must read the blog.
2019.07.31 in #419 Perl Weekly Challenge 019
Adam re-used some code from previous week challenge. He used Sakamoto method to calculate "day of week".
2019.08.11 in #420 Perl Weekly Challenge 020
I noticed, Adam, attempted Perl6 for the first time. Please do checkout his blog.
2019.08.24 in #422 Perl Weekly Challenge 022
I loved the comment by Adam that he learnt LZW compression for the first time. I am relieved that I am not the only one. I loved his compression algorithm.
2019.09.08 in #424 Inverted Index Formatting
The best part of Adam's blog is his detailed explanation of his solution.
2019.09.15 in #425 Pokemon Name Ladder
Adam made use of graph theory to solve Pokemon sequence task. It is always fun to read the blog.
2019.09.15 in #425 Chaocipher Card Simulation
Adam used card deck to show his solution to Chaocipher. A very interesting take, must read.
2019.09.22 in #426 Perl Weekly Challenge 026
Adam, ex-Champion, came up with his unique blog. You can't afford to miss it.
2019.09.29 in #427 Perl Weekly Challenge 027
Adam shares how he used standard formula to figure out intersection of two lines.
2019.10.06 in #428 Perl Weekly Challenge 028
Adam solved the "Digital Clock" using POE::Component::Schedule and some ANSI escape codes. Please do checkout.
2019.10.13 in #429 Perl Weekly Challenge 029
I simply loved how Adam explained with an include C file and steps to execute.
2019.10.19 in #430 Perl Weekly Challenge 030
Reading Adam's blog always enjoyable, specially the section NOTE in the end.
2019.10.26 in #431 Perl Weekly Challenge 031
Adam took the challenge to another level by doing in C++. Please do checkout the blog for more details.
2019.11.03 in #432 Perl Weekly Challenge 032
Adam has been consistent with C++ solutions now a days.
2019.11.10 in #433 Perl Weekly Challenge 033
Adam used Perl formatting magic very beautifully for Task #2. Even Raku solution looks very similar to Perl. Great.
2019.11.17 in #434 Perl Weekly Challenge 034
A very short and precise blog, specially the Task #2 solution.
2019.11.23 in #435 Perl Weekly Challenge 035
As always the case, Adam, once again presented the solutions elegantly.
2019.12.01 in #436 Perl Weekly Challenge 036
Adam blogged about Task #1: VIN validation.
2019.12.08 in #437 Weekdays and Daytimes
Adam went one step further and fetched the data using web scraping technique. A very good use of HTML::TableExtract.
2019.12.15 in #438 Perl Weekly Challenge 038
Adam used the power of regex to solve the task. Please do checkout.
2019.12.22 in #439 Lights On!
Adam, like every week, is bang on the topic. Interesting Read.
2019.12.29 in #440 Perl Weekly Challenge 040
Adam's Notes made it so special this week. Thank you Adam.
2020.01.05 in #441 Perl Weekly Challenge 041
A very interesting trick used in Attractive number task by Adam. Please do checkout.
2020.01.12 in #442 Balancing Parentheses
Adam made use of pure Perl solution without any dependency.
2020.01.19 in #443 Perl & Prolog
Adam introducing Prolog beautifully. Must Read.
2020.03.10 in #451 More Perl & Prolog
Adam used Prolog once again to solve the weekly challenge.
2020.04.19 in #456 Graph Visualization (for small graphs)
Adam took us to the trip of Graph Visualization. Interesting Read.
2020.04.26 in #457 Inverting a Binary Tree
Adam seems to be having fun with Graphs these day. His print tree attempt is worth reading.
2020.05.09 in #459 Partition A Linked List
Adam solved the task completely with proper Linked List rule.
2020.05.17 in #460 Perl Weekly Challenge 060
Adam Find Numbers solution is really interesting. Check it out.
2020.08.08 in #472 Using -s with Perl One Liners
Adam shared little secret -s command line option.
2020.08.09 in #472 n! has how many trailing zeroes?
Adam shared interesting ways dealing with trailing zeros.
2020.08.27 in #475 All Combinations Equal to a Sum in Perl and Prolog
Adam merged the power of Prolog and Perl to solve the "Coins Sum" task.
2020.08.30 in #475 Largest Rectangle Histogram
For the "Largest Rectangle Histogram" task, he used pure Perl solution.
2020.09.06 in #476 Perl Weekly Challenge 076
Adam made use of pre-computed Prime Numbers to solve the "Prime Sum" task.
2020.09.13 in #477 Perl Weekly Challenge 077
Adam seems to moved to new blogging platform, shared interesting facts about Fibonacci numbers.
2020.09.20 in #478 Perl Weekly Challenge 078
Adam kept the solution simple and easy to follow, yet elegant.
2020.09.27 in #479 Perl Weekly Challenge 079
Adam presented interesting discussion on Trapped Rain Water task.
2020.10.04 in #480 Perl Weekly Challenge 080
Nice to see Adam back to regular blogging. It is always a pleasure to read his posts.
2020.10.11 in #481 Perl Weekly Challenge 081
Highlight of the blog is the solution to "Common Base Strings".
2020.10.18 in #482 Perl Weekly Challenge 082
Adam short and sweet blog for the week 82.
2020.10.25 in #483 Perl Weekly Challenge 083
Adam showing the power of pack() to solve Flip Array task.
2020.11.01 in #484 Perl Weekly Challenge 084
Adam only had time to do the Reverse Integer task.
2020.11.08 in #485 Perl Weekly Challenge 085
Adam shared a blog post showing the power of Prolog and Perl.
2020.11.22 in #487 Perl Weekly Challenge 087
Short notes at the end of each solution tell the story behind the journey. You don't want to miss this.
2020.11.29 in #488 Perl Weekly Challenge 088
Adam keeps the discussion short and sweet.
2020.12.06 in #489 Perl Weekly Challenge 089
Adam's blog is never short of resourceful contents. You are going to enjoy it as much as I did.
2020.12.13 in #490 Perl Weekly Challenge 090
Interesting to read Adam's reference to YAPC 2009 with regard to the DNA task.
2021.01.03 in #493 Perl Weekly Challenge 093
Reading the notes at the end of the blog is the best thing. You don't want to miss out.
2021.01.10 in #494 Perl Weekly Challenge 094
Adam, thanks for reminding us of the "Fundamental Theorem of Arithmetic". It seems I no longer know any mathematics.
2021.01.17 in #495 Perl Weekly Challenge 095
Thanks, Adam for introducing struct in Perl. I have never used it before
2021.01.24 in #496 Perl Weekly Challenge 096
Adam showing Perl a adaptation of a Haskell implementation deaing with the "Edit Distance" task. An interesting approach.
2021.01.31 in #497 Perl Weekly Challenge 097
Adam made use of a bitwisw operator to solve the binary substrings task. You don't want to miss it.
2021.02.06 in #498 Perl Weekly Challenge 098
Cool example of using closures to deal with the readN() task.
2021.02.21 in #500 The Weekly Challenge 100
Adam also shows his regex skill while dealing with this week's task.
2021.03.07 in #502 The Weekly Challenge 102: Threads and Recursion
Enjoy the twists and turns described by Adam as he uses threads. Very interesting approach.
2021.03.14 in #503 The Weekly Challenge 103: Astrology and Audio
Adam made the Chinese Zodiac task look so simple, incredible. Please do check out.
2021.03.28 in #505 Newton’s Method and Perl Formats: The Weekly Challenge 105
Thanks for introducing Newton’s Method. Always fun to read your blog.
2021.04.04 in #506 Recursion and Repeated Decimals: The Weekly Challenge 106
Adam's notes section for the Decimal String task is an eye-opener for me. I will go back to it later to gain a better understanding.
2021.04.11 in #507 Static Analysis and Self Describing Numbers (now with Threads!): The Weekly Challenge 107
Adam used threads to solve the Self-descriptive numbers task. Very Cool.
2021.04.18 in #508 Memory Addresses and Bell Numbers: The Weekly Challenge 108
Adam took the opportunity to share solutions in Perl and Prolog. You don't want to miss the opportunity to dig deep.
2021.04.25 in #509 Chowla Numbers and Numbers in Boxes: The Weekly Challenge 109
I must thank Adam for keeping Prolog in the loop and giving us a glimpse of it.
2021.05.02 in #510 Checking Phone Numbers and Transposing Tabular Data the Hard Way: The Weekly Challenge 110
Adam never hesitates to try a unique tool. This week he used Parse::Yapp grammar. Thanks for sharing.
2021.05.16 in #512 The Weekly Challenge 112
Adam presented cute modularised solutions to this week's challenges. Nice work, keep it up.
2021.05.23 in #513 The Weekly Challenge 113
Adam's use of pack()/unpack() is really interesting. There is always something new to learn. Thanks for sharing.
2021.05.30 in #514 The Weekly Challenge 114
Thank you Adam for introducing redo; I had never heard of it before.
2021.06.13 in #516 Evolving a Sequence with a Functional Genome: The Weekly Challenge 116
I love the use of genetics to solve the task. My favourite this week. I will revisit it later.
2021.06.20 in #517 A List with One Missing Line and Too Many Lines to List: The Weekly Challenge 117
Credit must be given to Adam for printing the structured triangle and introducing the Qauntam Pascal Triangle. Thanks for sharing.
2021.07.11 in #520 Swapping Bits / Time Angle
I noticed something new in both of Adam's solutions, the use of MAIN: {}. Never seen this before. Something to explore later. Thanks for sharing knowledge.
2021.07.25 in #522 Average of Stream / Basketball Points
2021.08.01 in #523 Ugly Numbers / Square Points
Adam sharing his work in C++ and Prolog this week along with Perl. What a bonus, thanks for sharing.
2021.08.17 in #526 Perl and Computer Science
Discord server for the purposes of discussing more academic Computer Science type topics, as they relate to Perl.
2021.08.22 in #526 Count Numbers / MineSweeper game: The Weekly Challenge 126
Nice example of code reuse while dealing with the Minesweeper Game. Well done.
2021.08.29 in #527 Conflicting Lists and Intervals
Adam's ability to make a difficult task look simple is rare. This is pure talent. Keep it up.
2021.09.19 in #530 These Binary Trees are Odd
Adam used struct to deal with the BST task. Thanks for sharing your knowledge.
2021.0y.04 in #519 Packing and Unpacking from vacation: The Weekly Challenge 119
2021.10.17 in #534 Perl Weekly Challenge 134
A very special regex solution to the Pandigital Numbers task. Thanks for sharing this knowledge.
2021.10.24 in #535 Caught in the Middle With SEDOL
Adam's blog post is precise and to the point. You don't want to miss the little NOTE section. Thank you.
2021.10.31 in #536 Friendly Fibonacci Summands
Adam's approach to the "Fibonacci Sequence" task is really interesting. I liked how he made it go beyond the task. Nice attempt.
2021.11.21 in #539 Jort Sort the First Five Long Primes
Adam shared a really cool hack to solve the Long Primes task. Thanks for sharing this knowledge.
2021.12.05 in #541 Like, It’s Just the First Ten Numbers Man!
Thanks to Adam for introducing Data::PowerSet. This is the first time, I have noticed it. Thanks for your support and encouragement.
2021.12.11 in #542 Average of Stream
2021.12.12 in #542 Sleeping Divisors
Adam was the person who proposed the Sleep Sort task and has gone into detail with lots of interesting background.
2021.12.19 in #543 Stealthy Calculations
What a treat, a complete parser for the Calculator task. You don't want to skip it. Keep it up great work.
2021.12.26 in #544 A Stocking Full of Numbers: Semiprimes and the Ulam Sequence
Adam presentis the power of grep in this week solution. Cool promotion of Perl power.
2022.01.09 in #546 Sieve of Atkin / Curious Fraction Tree
Thank you Adam for sharing the 'Sieve of Atkin' method of determining prime numbers. Keep it up great work.
2022.01.16 in #547 Primes and Pentagonals
Reuse of Sieve of Atkin code by Adam this week to solve the Truncatable Primes task. Keep it up great work.
2022.02.27 in #553 Finding the Factorials and Factorions That Are Left
Adam optimized solution is the highlight for me this week, thanks for sharing.
2022.03.06 in #554 Padovan Prime Directive: Find the Missing Permutations
Loved the use of handy CPAN modules like Algorithm::Loops and Math::Primality. Thanks for sharing new ideas.
2022.03.13 in #555 Fortunate Pisano
The best part of Adam's blog is the Notes section where everything is explained. Thank you.
2022.03.20 in #556 Persnickety Pernicious and Weird
Use of CPAN module makes the solution sleek. Thanks for introducing new CPAN modules. Keep it up great work.
2022.04.10 in #559 Farey and Farey Again, but in a Mobius Way
The Adam's blog Notes section sharing very interesting aspects of the task. Highly recommended.
2022.04.17 in #560 Four is Equilibrium
A clever use of recursive functions to solve the "Four is Magic" task. Twisted my brain with pack/unpack too! Thanks for sharing.
2022.04.24 in #561 Are Abecedarians from Abecedaria?
Perl one-liner to find Abecedarian word is very special, you must take a look. Thanks for your contribution.
2022.05.01 in #562 The Weekly Challenge 162
Straight forward solution to the task ISBN-13 in Perl. Thank you for your contribution.
2022.05.08 in #563 Bitwise AndSums and Skip Summations: Somewhat Complicated Uses of Map
Cool use of pack/unpack to solve the task #2. Thanks for your contributions as always.
2022.05.22 in #565 SVG Plots of Points and Lines
Cool compact and modular solution to the weekly challenge. Thanks for your contributions.
2022.06.12 in #568 Take the Long Way Home
Great show of code reuse and CPAN, promoting the idea 'don't reinvent the wheel'. Keep it up great work.
2022.06.19 in #569 Brilliantly Discover Achilles' Imperfection
Code re-use and interesting aspects dealing with floating point numbers. Great source of knowledge.
2022.07.10 in #572 Partition the Summary
Short and precise blog post with self explanatory code. Thanks for sharing.
2022.07.17 in #573 Suffering Succotash!
Loved the blog title, very creative just like the solutions. Thanks for sharing.
2022.07.24 in #574 Permutations Ranked in Disarray on Mars
Great example of goto inside map. Thanks for your contributions.
2022.07.30 in #575 Sunday Was Perfectly Totient
Nice commentary about the blockers and also the solution. Great work, keep it up.
2022.08.14 in #577 Cyclops Validation
Short and sweet notes about the weekly challenge. Thank you for your contributions.
2022.09.04 in #580 First Uniquely Trimmed Index
As always the case, the cool combination of map and grep is worth checking out. Keep it up great work.
2022.09.11 in #581 These Sentences Are Getting Hot
Good use case of DBD::CSV and nice little story around it. Keep it up great work.
2022.09.18 in #582 Deepest Common Index
Adam breaking down the task into smaller actions and dealt with each makes it easy to follow. Thanks for sharing.
2022.10.16 in #586 Zippy Fast Dubious OCR Process
Superlative solution to the Unicode Makeover by Adam. Highly recommended.
2022.10.23 in #587 Days Together Are Magical
Constraint Programming? Never heard of the term before, thanks for introducing.
2022.10.30 in #588 Pairs Divided by Zero
Adam's approach to a task is exceptional. Thanks for your contributions.
2022.11.06 in #589 To a Greater Degree
Cool use of grep and map to get perfect solution. Thanks for sharing.
2022.11.20 in #591 Twice Largest Once Cute
Nice story behind the process and improvement to the algorithm. Thanks for sharing.
2022.11.27 in #592 Flipping to Redistribute
Playing with raw bits makes it fun. Keep it up great work.
2022.12.03 in #593 The Weekly Challenge 193
Cool use of sprintf() to solve the task. Thanks for sharing the knowledge.
2022.12.18 in #595 Especially Frequent Even
Cool use of Perl's map and grep. Thanks for sharing the knowledge.
2023.01.08 in #598 Prime the Gaps!
Nice discussion about the task "Max Gap", thanks for sharing.
2023.01.15 in #599 Multiple Goods
Did I repeat the past task? Well, it seems yes. Should have been more careful? Nice demo of do blocks and postfix for.
2023.01.29 in #601 How Many Missing Coins?
Code re-use and smart use of exists makes it really fun. Keep it going.
2023.02.05 in #602 Into the Odd Wide Valley
Good to see the use of Perl v5.36, thanks for spreading the knowledge.
2023.07.13 in #625 Sentenced To Compute Differences
Welcome back after the break. We got nice regex magic from Adam. Thanks for sharing.
2023.07.23 in #626 Shuffled Operations
Clever use of pack and unpack to get the job done. Thanks for reminder.
2023.08.21 in #632 Not the MinMax Count
2023.09.07 in #633 What's the Similar Frequency, Kenneth?
2023.10.01 in #636 Exact Array Loops
I noticed the use of 'redo' after a long time. Nice solutions without any complications. Thanks for sharing.
2023.10.29 in #640 ABA (Acronym Build Array)
Obfuscated code? Well written post you really don't want to miss it.
2023.11.05 in #641 Recursive Loops and Code Re-Use
Code re-use is on the display. Too cool, well done.
2023.11.11 in #642 Missing Flips
Clever use of map can be fun. Really enjoyed the post, thanks for sharing.
2023.11.19 in #643 Reverse Pairs on the Floor
Use of do..for construct? Really cool, thanks for sharing.
2023.11.26 in #644 Counting the Smallest Embiggens the Group Hero
Clever use of map and grep to get the desired result. Well done and thanks for sharing.
2023.12.03 in #645 Sleeping Threads Reveal the Largest of Three
Good use of thread in Perl. Keep it up great work.
2024.03.10 in #659 Banking Left Into the Parser Zone
Do you know yapp? Want to quick introduction? You have to checkout this post.
2024.03.16 in #660 This Week a Ranking Occurred!
Adam's use of do { ... } for .. always fascinates me. Mind you this is happening alongside the latest Perl v5.38.
2024.03.23 in #661 These Elements, They’re Multiplying!
Using pack() then unpack() to get the element sum. This is something very handy. Find out more in the post.
2024.06.08 in #672 Defanged and Scored
Nice to see you back to blogging. Nice demo of recursion to get the job done. Thanks for sharing the knowledge with us.
2024.08.04 in #680 Asterisks Appear Twice
Welcome back to blogging. Suprise to see do { } for loop construct. Highly recommended.
2024.08.10 in #681 Checking Out the Knight’s Moves
Nicely laid down and documented solutions in Perl. Keep it up great work.
2024.08.12 in #682 It’s Good To Change Keys
Yet another excuse to give regex a twist. Don't you love the power of Perl regex? Keep it up great work.
2024.10.05 in #689 Maximum Jumble
Pure Perl solutions this week with detailed discussion. Keep sharing the knowledge with us.

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