Mike Cowlishaw is a distinguished computer scientist and creator of Rexx and NetRexx. He has worked on many other programming languages, including PL/I, C and Java. Mike Cowlishaw is a Visiting Professor at the Department of Computer Science at the University of Warwick. He is a Fellow of the Royal Academy of Engineering, elected for his contributions to the field of engineering, and is a retired IBM Fellow. His relentless spirit has catapulted too many contributions to count yet he remains humble and accessible :)
February 8, 2023 — Dr. John Ousterhout is a computer science luminary who has made significant contributions to the field of computer science, particularly in the areas of operating systems and file systems. He is the creator of the Tcl scripting language, and has also worked on several major software projects, including the Log-Structered file system and the Sprite operating system. John Ousterhout's creation of Tcl has had a lasting impact on the technology industry, transforming the way developers think about scripting and automation.
appearedto four entities
February 8, 2023 — In this Livestream I show the sometimes boring and laborious process for adding data to PLDB.com.
renamekeyword to TQL
February 4, 2023 — TQL is the new query language powering search on PLDB.com. In this livestream I show the process for designing and coding up the
January 3, 2023 — 2022 was a breakout year for a Programming Language DataBase (PLDB). We are now used by over ten thousand people in a slow week and probably were used by over a million people on the year (I can't be too exact since our stuff is public domain and we don't do much tracking). Some of the world's top software people got in touch with us and we now provide analysis on how to make their companies' languages better. Not bad for a research effort started by a kid from Brockton without a PhD! I am 100% convinced that someone can (and will) revolutionize research in any and every domain simply by copying our tech and creating a high-quality public domain CSV file for their domain.Continue reading...
November 22, 2022 — Dr. Kartik Agaram is a professional programmer by day and the author of several open source projects that try to demystify computers. His projects all show a great love for programming and empathy for readers grappling with a strange codebase.
Hassam: What problem is Mu attempting to solve?Continue reading...
November 18, 2022 — Niklaus Wirth has designed programming languages all over the world that have had immense impact. And yet, he still maintains great humility and somehow finds time for mentoring the next crop of programming language designers. Thank you for your time Dr. Wirth!
Hassam: Are there any novel ideas from your languages that have yet to be adopted by others?Continue reading...
November 15, 2022 — Dr. Brian Kernighan is a Canadian computer scientist who contributed to the development of UNIX at Bell Labs. Along with Dennis Richie, he co-authored a fundamental book on C, The C Programming Language. He has been training the next generation of programmers at Princeton University since 2000 and has been monumental in his contribution to the computer science community at large. He wrote the first documented “Hello World!” program and to that we say, “Hello, Brian!”.
Hassam: Are there any novel ideas from Awk that have yet to be adopted by others?Continue reading...
November 11, 2022 — Dr. Scott Fahlman is a Professor Emeritus in the Carnegie Mellon’s School of Computer Science. He is a computer programming language connoisseur and the original neural network jedi master. He was one of the core developers of the Common Lisp Language and his current work includes Artificial Intelligence. Dr Fahlman is as notably kind as he is a humble scientist. Befittingly, he is the originator of the internet's first emoticon, sideway smile :-)
Hassam: Are there any neat ideas from Lisp that have yet to go mainstream?Continue reading...
November 3, 2022 —
You can export the data using this Ohayo script:
September 2, 2022 —
The code for the visualization above was written in the Explorer language.
July 14, 2022 — JSON is the only popular language in the PLDB without comments.Continue reading...
July 13, 2022 — About 85% of the languages in PLDB have line comments.Continue reading...
June 23, 2022 — I started PLDB 1,681 days ago(~4.5 years). After a big lull, I am excited to announce the new release!
November 18, 2019 — I started PLDB 2 year ago today! Since that time:
September 7, 2019 — I have done many problems on Project Euler but I've never participated in competitive programming. The other day I got curious, what does the competitive programming landscape look like?
The first one started in 1970. A few of the newer ones are online only.
May 29, 2019 — There are around 7.574 billion people in the world. How many of them are programmers?
The answer, of course, depends on how you define "programmer". But before I define "programmer" and share my estimates, let's look at what some other sources say.
The other day I was curious: does every programming language have one of these? I decided to find out. I pointed my crawler and trained a model to check for a package repository for every one of the 3,006 languages I am tracking. The results surprised me.
January 24, 2019 — Python, as one of the top 10 programming languages in the world, is the most popular programming language that treats indentation as significant. In these offside languages, programmers indent their code blocks instead of using braces, brackets, or other visible characters.
I was curious about how common these languages were so I did some brief analysis to answer these questions:
November 18, 2018 — I started PLDB 1 year ago today! Since that time:
Unfortunately the number of articles on PLDB is 9 (counting this one). Limited time and resources has meant building up the dataset took priority. Hopefully the next year will see a lot of growth in number of posts!
November 9, 2018 — Before GitHub started in 2008, the source code for nascent programming languages was stored in a variety of places. In the early days it was physical media; later on it was publicly accessible servers; and even later it started moving to online source control systems like self-hosted SVN servers or Sourceforce.
But nowadays new language creation happens on GitHub more than anywhere else. Of the 44 languages created in 2008 that I track, 7% were put on GitHub that same year. Last year it was over 50%.Continue reading...
October 28, 2018 — As the chart below shows, the number of programming languages beginning with a certain letter varies as much as 10x by letter.Continue reading...
December 12, 2017 — As I build up my database of programming languages I hope to be able to answer questions like:
At the moment I am tracking 533 computer languages and I currently have creation years for more than half of those, including for 271 of the most popular ones.
Here is a simple line graph of the cumulative number of languages I have by year.Continue reading...
December 11, 2017 — I was looking to spruce up the walls with some interesting posters and found a few well designed visuals.Continue reading...
November 25, 2017 — Last week I explored the question "how many programming languages are there in the world?". My current estimate is between 5,000 and 25,000 active computer languages.
But perhaps the number is higher, if you include all active external web APIs.Continue reading...
November 20, 2017 — ~7,099 spoken languages exist. But how many programming languages exist?
This is one of the questions I aim to answer with PLDB. I am building a comprehensive database of programming languages.
The number of programming languages in the world depends on the rules you establish for deciding whether or not a language counts.
November 18, 2017 — Welcome to PLDB: a Programming Language Database!
The goal of this site is to build a comprehensive database of programming languages and their common features.
This site is for two types of people: