2011.11.03 in #15
Traveling Salesman without Farmer's Daughter
Dave Jacoby from /var/log/rant describes his alternative to the well known traveling salesman problem and provides code implementing it.
2011.11.10 in #16
Caching pages - Beyond Firebug to NYTProf
Dave Jacoby shows an example how NYTProf lead him to caching result pages reducing the response time by more than 50%. It was interesting to see now as I am planning to do the same with my simple blog engine.
2014.03.06 in #137
PPI and Unicode
Perl deals rather magnificiently with unicode-based variables. PPI? Not so much, as Dave Jacoby found out.
2014.09.12 in #164
Leveraging the Forecast.io API
Apparently Dave Jacoby is also interested what's the weather like, but he used a different source for his information. He directly talks to the web API using LWP::UserAgent and JSON.
2015.01.07 in #181
A Higher Order Idea stolen from Ramda.js
Dave saw something neat in Ramda.js, and checked out how easy it'd be to port the idea in Perl-space.
2015.01.12 in #182
How I Post Code
2015.03.03 in #189
Look At My Pretty Pictures
Dave shows the code he wrote to write spirograph style pictures in SVG, which he then etched onto wood using a laser cutter. I have no justification for one, but a laser cutter is going on my wishlist!
2015.03.31 in #193
Testing my API changes with Perl
A test script using LWP::UserAgent to access a web page, and JSON to convert the returned JSON string to a Perl data structure.
2015.04.14 in #195
Where to generate the HTML? A Test.
In an Ajax-using web application, should you generate HTM chunks on the server and send them over while they are ready for display, or should you go with the crowd and send over only the data letting the client-side generate the HTML? Reddit.
2015.04.15 in #195
Subroutine Signatures and Multimethods in Perl, Oh My!
How do you have multiple subroutines responding to the same name, distinguished only by the subroutine signature?
2015.04.16 in #195
Template vs Text::Handlebars
2015.05.01 in #197
Explaining the Schwartzian Transform
Code with some comments.
2015.05.19 in #200
01010100 01101000 01100001 01110100 ...
A Robot From The Future Reviews Tomorrowland - translated by Perl with the help of a shrinking geek.
2015.06.17 in #204
Mojo::DOM vs Web::Query
Dave compares Mojo::DOM and Web::Query for web scraping, and finds that the code he has to write is almost identical. Apparently Mojo::DOM was slightly faster.
2015.06.29 in #206
Fixing an old logic issue
An interesting mix of old-school CGI script with 0 padding if IDs and JSON response.
2015.07.08 in #207
Because everything can jump the rails...
Dave's thoughts on running things on remote machines using Net::OpenSSH; read the comments too.
2015.07.26 in #209
What I learned from perlbrew
2015.08.01 in #210
Dave Jacoby (/var/log/rant): What Language Should I Learn? Three Answers
That's a question that comes back over and over again. "Which language should I learn next?" Dave offers, and debates, three suggestions.
2015.08.17 in #213
I Am Unlikely To Move To Perl6
The imminent official release of Perl 6 brings up even more emotions. Dave describes his background and rationally explains his emotions toward Perl 6.
2015.08.19 in #213
I Need To Write This Up To Understand It, or The Epic Battle between Wat and Derp!
2016.04.12 in #247
Did I Mention I Hate Default Mail Notifications?
2016.06.21 in #257
Personal Programming Plans: Instagram2Background
Handy utility script to set your latest Instagram picture as your desktop background.
2016.07.27 in #262
Net::Twitter Cookbook: How to Tweet
Sending a Tweet from a Perl script.
2016.07.28 in #262
Log your machines and Check your logs
An example using Log::Log4Perl and Pushover for notifications.
2016.08.12 in #264
A Little Fun with OpenCV
Despite what you might have thought OpenCV has nothing to do with your resume. CV stands for Computer Vision. Dave takes us through his exercise taking pictures and tweeting them.
2016.08.31 in #267
Overkill III: Permutations of Overkill (Perl6)
Dave has been playing with Perl 6, using it to solve the Magic Box problem.
2016.09.09 in #268
Net::Twitter Cookbook: Tweetstorm!
2016.09.26 in #271
Perl on Ubuntu on Windows: A Solution
Running Bash or Ubuntu on Windows is a nice new feature. Running Perl on top of it might be challenging.
2016.10.28 in #275
Using the Symbol Table: "Help"?
2016.10.30 in #275
Net::Twitter Cookbook: Favorites and Followers
Impressive work in writing tutorials. I wonder if he also Tweets about them.
2016.11.19 in #279
Graphs are not that Scary!
That's graphs as in "Graph Theory", not as in "Pie Charts and Histograms". And indeed, not only they are not to be feared at all, but they can also be helluvah useful at times.
2017.01.20 in #287
Ding! Ding! The Process is Dead!
Get alerted when a process is done.
2017.03.14 in #295
Coding for Pi Day
Dave does some Pi-related hacking in Perl, in honour of Pi day.
2017.05.08 in #303
count is not uniq...
In which Dave explains that 'uniq' only works for values that are next to each other and one needs to use 'sort | uniq' in order to get real unique values. Or use a Perl snippet.
2017.06.02 in #306
Tracking your Old Tabs in Chrome over Time
Dave is not satisfied with the order Chrome remembers his tabs so hacked together a script that will back up chrome tabs for easy restore.
2017.06.19 in #309
Feeling "Tipsy" - The Perl Conference 2017 Day 1
The fun of being in a government building... and the talks of the first day.
2017.06.29 in #310
Three Little Words: The Perl Conference 2017 Day 2
Dave's report on day 2 of the perl conference. Also includes a picture of puppies.
2017.07.13 in #312
Github to Perl to Github? Putting your projects on a web page
Dave likes to show his free projects on a nice web page. This is the code that generates the page.
2017.08.02 in #315
Considering Code Documentation
Dave wants to know what documentation would *you* add to his code, but there are no comments. So do you think his code does not need any documentation or is documenting the need of documentation too META?
2018.11.12 in #383
Perl and CGI
The original article that seemed to be innosent, but managed to stirr up the feelings.
2019.03 in #400
2019.03.25 in #401
FizzBuzz One-Liner In Perl
2019.04.02 in #402
Converting to and from Base35
Dave Jacoby shares his encounter with the second edition of "Perl Weekly Challenge".
2019.05.06 in #407
2019.05.06 in #407
Rethinking my Ladder Puzzle Code
2019.05.15 in #408
Finding Perfect Numbers in Perl
Dave blogs make the solution so easy to follow. I always look forward to his blog.
2019.05.15 in #408
Centering Text in Perl
Dave is one of the few members who explain every little bit of the solution. Best guide for any newbie.
2019.05.21 in #409
Ranking in Perl
Dave's solves the ranking challenge with plenty of documentation, It is such a fun reading his code.
2019.05.21 in #409
Finding First Square with Five Distinct Digits, Plus
For ranking challenge, Dave tried different approach. He never shy away from #Perl magical opertaor, e.g. ++$x**2
2019.05.28 in #410
References, Dereferences and Perl
Dave revisits the basics of Perl in really interesting way.
2019.05.30 in #410
Dispatch Tables and doing a LOT of work to stay DRY
Dave talks about Dispatch table follows DRY priniciple.
2019.06.04 in #411
Two Technical Posts about Temperature, Kinda
Dave not only solved the regulary weekly challenge but this time he also solved the optional API challenge. It is nice to see members showing interest in API challenge.
2019.06.11 in #412
Common Paths and an issue with postderef?
I simply love the journey and how Dave progressed through.
2019.06.12 in #412
Euclid and Reduce
Dave always present the solution like a kids play. He has the ability to make the difficult challenge appears easy.
2019.06.19 in #413
Yeah, about Challenge 13
Dave literaly wrote this blog while attending the keynote by Sawyer X at TPCiP. You can't afford to miss his blog.
2019.06.24 in #414
Drink Coffee, Blog on Challenge 014
2019.07.01 in #415
Perl Weekly Challenge 015
Dave raised a question in the beginning that really made me think again. Is 2 a prime number?
2019.07.16 in #417
Thoughts on Perl Weekly Challenge 17
Dave solved the Ackermann function with Memoize. He also show how Mojo::URL can be used to parse URL. Nice writings.
2019.07.31 in #419
Five-Weekend Mondays and How Years Work
Dave blogging skill is unique and I am a big fan of his blog. Here also he shares interesting facts and figures with regard to the challenge.
2019.08.05 in #420
Perl Weekly Challenge - Week 20
Dave was the first to blog about his solution. He has got very unique analysis skill. Must read.
2019.08.13 in #421
PWC Week 21 - Euler's Constant and Big Numbers
Dave's blog discuss the first task about to calculate the value of e. He started with simple solution and then made it slightly difficult.
2019.09.19 in #426
Scripting the Dropbox API
Incredible implementation of Dropbox API by Dave. You can't afford to miss the writing.
2019.10.01 in #428
Fake Seven-Segment Displays with Perl and SVG
Dave impressed me with his Digital Clock solution. You must checkout.
2019.10.08 in #429
Code "Reuse" and Perl Weekly Challenge #29
I really enjoyed how solved the calling C function from perl script task. So simple and easy to follow.
2019.10.15 in #430
Blogging Challenge 30
Dave used just 2 for-loops instead of 3 to solve the number series task with a nice little hack.
2019.10.30 in #428
Flags, Switches and Unicode in Perl
Dave always pick the topic that is so commonly used in the devs life. He then starts analysing the different aspects that you would never bother talking about before. Dave's quality writing skill makes it very special.
2019.12.02 in #437
Sunrise and Sunset in Perl
The use of CPAN module DateTime::Event::Sunrise was a surprise package. Thanks Dave for introducing the distribution.
2019.12.10 in #438
Words and Dates: Which is more fun?
Dave never hesitates in using latest features of Perl which makes code reading really fun.
2020.01.17 in #443
Perl Weekly Challenge #43 - Rings and Self-Description
Dave is back with his magic. He loved solving puzzle with his thought. Must Read.
2020.01.29 in #445
Challenge 45: Cyphers and Quines
Dave shared the power substr() in solving this week challenge.
2020.02.12 in #447
Counting from 100 is the Fun Part
Dave's homemade iterator made the Gap number task very interesting. Highly Recommended.
2020.03.16 in #452
Minimax, British Coins and Old-School AI in Perl
Check out Dave's solution to the Lucky Winner.
2020.03.23 in #453
Rotate Your Matrix and String Your Vowels
Dave gave us bonus by sharing solutions in Rust and Node.js on top of regular Perl.
2020.03.30 in #454
Permutations and Conjectures
Dave showed the power of the recursion to solve the Collatz junction.
2020.04.13 in #456
Challenge 56 - Diff-K and Binary Trees
Dave came up with complete solution with package Node. Must Read.
2020.04.20 in #457
Challenge 57: Mostly Binary Trees
Dave gave a detailed description about his work on Invert Tree task. Must Read.
2020.05.04 in #459
Challenge 59 - Lists and Binary XOR
Dave kept the Linked List as simple as possible.
2020.05.06 in #459
More on Linked Lists
In his second blog of the week, Dave shared his idea of proper Linked List solutions. Cool solutions.
2020.05.18 in #461
Challenge 61: Products and Addresses
Dave's use of recursion made the IPv4 Partition task looks like cake walk. Nice attempt.
2020.06.08 in #464
Perl Challenge #64
Very interesting approach for the Word Break task.
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