# \#discussion

**URL:** https://discourse.julialang.org/tag/discussion/545.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

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## [Seeking input (and creating output) about visualization software](https://discourse.julialang.org/t/seeking-input-and-creating-output-about-visualization-software/139490)

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**Author:** [@BananaMaster3](https://discourse.julialang.org/u/BananaMaster3)\
**Replies:** 2\
**Last updated:** [September 17, 2026, 5:54pm UTC](https://discourse.julialang.org/t/seeking-input-and-creating-output-about-visualization-software/139490 "2026-09-17T17:54:13Z")

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Manifesto I’ve been using Julia for about a year and a half now, and I truly love the language. More specifically, the REPL environment and the general customizability that the language provides are both amazing, especia…

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## [BoF Current Tooling State - Recap](https://discourse.julialang.org/t/bof-current-tooling-state-recap/138919)

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**Author:** [@StanLipman](https://discourse.julialang.org/u/StanLipman)\
**Replies:** 2\
**Last updated:** [August 19, 2026, 10:14pm UTC](https://discourse.julialang.org/t/bof-current-tooling-state-recap/138919 "2026-08-19T22:14:16Z")

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First of all, a big thank you to everyone who joined our Birds of a Feather session at JuliaCon 2026! Even with it being very hot both outside and inside, we were really happy to see so many people show up and join the d…

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## [Julia package orphanage](https://discourse.julialang.org/t/julia-package-orphanage/130554)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 8\
**Last updated:** [July 18, 2025, 12:33pm UTC](https://discourse.julialang.org/t/julia-package-orphanage/130554 "2025-07-18T12:33:26Z")

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Some Emacs maintainers started emacsorphanage, a git org for managing Emacs packages that are not maintained. The idea is that instead of archiving your source repo, you can transfer it to them, and they will do very bas…

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## [Type domain (static) integers](https://discourse.julialang.org/t/type-domain-static-integers/118568)

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**Author:** [@nsajko](https://discourse.julialang.org/u/nsajko)\
**Replies:** 28\
**Last updated:** [September 2, 2024, 4:41am UTC](https://discourse.julialang.org/t/type-domain-static-integers/118568 "2024-09-02T04:41:37Z")

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I’m trying to get type domain integers into Base: Type domain integers are not a new idea, there was previously an effort by @Zach\_Christensen to get a StaticInt type into Base, and two relevant packages exist, Static…

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## [Will AI make programming languages obsolete?](https://discourse.julialang.org/t/will-ai-make-programming-languages-obsolete/118276)

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**Author:** [@yvikhlya](https://discourse.julialang.org/u/yvikhlya)\
**Replies:** 4\
**Last updated:** [August 19, 2024, 6:53pm UTC](https://discourse.julialang.org/t/will-ai-make-programming-languages-obsolete/118276 "2024-08-19T18:53:11Z")

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The topic is a bit provocative, but I am interested to hear opinion of people who understand how programing languages and compilers work. According to some resources dedicated to AI discussion, many software developers a…

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## [Potential issue with multiple registrations of same handler in error hint](https://discourse.julialang.org/t/potential-issue-with-multiple-registrations-of-same-handler-in-error-hint/115389)

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**Author:** [@arhik](https://discourse.julialang.org/u/arhik)\
**Replies:** 5\
**Last updated:** [June 13, 2024, 4:06am UTC](https://discourse.julialang.org/t/potential-issue-with-multiple-registrations-of-same-handler-in-error-hint/115389 "2024-06-13T04:06:17Z")

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Currently the experimental api for error hint registration allows same handler to be registered multiple times. And the handler is called multiple times when triggered. Bear with me on this not so minimal example: usin…

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## [YAML.jl have many bugs](https://discourse.julialang.org/t/yaml-jl-have-many-bugs/115158)

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**Author:** [@paalon](https://discourse.julialang.org/u/paalon)\
**Replies:** 1\
**Last updated:** [June 4, 2024, 9:39am UTC](https://discourse.julialang.org/t/yaml-jl-have-many-bugs/115158 "2024-06-04T09:39:36Z")

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I’m not a mainter of YAML.jl but I’m concerned with the current status of YAML.jl. I have found many bugs in several days but also know YAML has more complex specification than JSON or TOML so it’s generally difficult to…

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## [The Problem with Julia that makes me want to leave - First run Times](https://discourse.julialang.org/t/the-problem-with-julia-that-makes-me-want-to-leave-first-run-times/114316)

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**Author:** [@Maddy](https://discourse.julialang.org/u/Maddy)\
**Replies:** 52\
**Last updated:** [May 18, 2024, 6:05pm UTC](https://discourse.julialang.org/t/the-problem-with-julia-that-makes-me-want-to-leave-first-run-times/114316 "2024-05-18T18:05:01Z")

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I started my programming journey in Python. A year ago, to create a real-time simulation, I came to know about Julia with its great speed. I used Julia for the first time and I remember the spark of joy I had while mess…

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## [Lipschitz continuity -- Neural ODEs](https://discourse.julialang.org/t/lipschitz-continuity-neural-odes/108463)

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**Author:** [@RahulManavalan](https://discourse.julialang.org/u/RahulManavalan)\
**Replies:** 2\
**Last updated:** [April 7, 2024, 12:13pm UTC](https://discourse.julialang.org/t/lipschitz-continuity-neural-odes/108463 "2024-04-07T12:13:28Z")

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Here’s a open ended topic that I haven’t seen people mention, explicitly in literature. In order to integrate neural ODEs, there needs to be guarentees regarding the existence of its solutions. And any arbitrary NN appr…

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## [Julia learning materials, how to make code work?](https://discourse.julialang.org/t/julia-learning-materials-how-to-make-code-work/109059)

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**Author:** [@KZiemian](https://discourse.julialang.org/u/KZiemian)\
**Replies:** 12\
**Last updated:** [January 21, 2024, 5:13pm UTC](https://discourse.julialang.org/t/julia-learning-materials-how-to-make-code-work/109059 "2024-01-21T17:13:55Z")

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Maybe I’m too picky and pedantic, but when I work thorough learning materials on any programming language and some code doesn’t work due to some breaking changes I feel frustrated or worse. I believe that I’m not the onl…

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## [Kate Gregory “Naming is Hard: Let's Do Better” and what lesson we can learn from it](https://discourse.julialang.org/t/kate-gregory-naming-is-hard-lets-do-better-and-what-lesson-we-can-learn-from-it/108216)

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**Author:** [@KZiemian](https://discourse.julialang.org/u/KZiemian)\
**Replies:** 34\
**Last updated:** [January 8, 2024, 1:48pm UTC](https://discourse.julialang.org/t/kate-gregory-naming-is-hard-lets-do-better-and-what-lesson-we-can-learn-from-it/108216 "2024-01-08T13:48:58Z")

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Kate Greogry talk Naming is Hard: Let’s Do Better is not specific about C++, Julia or any other language, but how to name things properly in any language. As currently working as teacher and leading exercise classes of i…

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## [Learning materials and outreach to the programming beginners](https://discourse.julialang.org/t/learning-materials-and-outreach-to-the-programming-beginners/108041)

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**Author:** [@KZiemian](https://discourse.julialang.org/u/KZiemian)\
**Replies:** 20\
**Last updated:** [January 3, 2024, 11:15pm UTC](https://discourse.julialang.org/t/learning-materials-and-outreach-to-the-programming-beginners/108041 "2024-01-03T23:15:12Z")

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To make my post understandable, I need to first write few boring things about my background. I’m daily C++ programmer, with some Rust on the horizon and teacher in one polish college, when I teach first year students how…

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## [Does Julia Create a "1.5" Language Problem?](https://discourse.julialang.org/t/does-julia-create-a-1-5-language-problem/107984)

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**Author:** [@KZiemian](https://discourse.julialang.org/u/KZiemian)\
**Replies:** 132\
**Last updated:** [December 31, 2023, 3:26pm UTC](https://discourse.julialang.org/t/does-julia-create-a-1-5-language-problem/107984 "2023-12-31T15:26:56Z")

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I just watch intriguing talk Julia solves the 2 language problem, however it creates the 1.5 language problem. Outside fundamental problem raised by this video “When we will be able to run Julia on washing machine?” (I’m…

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## [Good error messages](https://discourse.julialang.org/t/good-error-messages/105523)

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**Author:** [@jules](https://discourse.julialang.org/u/jules)\
**Replies:** 5\
**Last updated:** [October 28, 2023, 10:39pm UTC](https://discourse.julialang.org/t/good-error-messages/105523 "2023-10-28T22:39:48Z")

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I often find error messages like this impractical: julia\> only(\[1, 2\]) ERROR: ArgumentError: Collection has multiple elements, must contain exactly 1 element We don’t know what the Collection is, we don’t know what the…

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## [JuliaData BoF @ JuliaCon2023 discussion](https://discourse.julialang.org/t/juliadata-bof-juliacon2023-discussion/102521)

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**Author:** [@bkamins](https://discourse.julialang.org/u/bkamins)\
**Replies:** 2\
**Last updated:** [August 14, 2023, 2:05am UTC](https://discourse.julialang.org/t/juliadata-bof-juliacon2023-discussion/102521 "2023-08-14T02:05:10Z")

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Below I recap a summary from the BoF Data Ecosystem discussion during JuliaCon2023 (for sure, it is probably opinionated, so feel free to comment to add your thoughts). I recap things I took out as most important to wor…

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## [Why HTTP.jl is not in Julia Core?](https://discourse.julialang.org/t/why-http-jl-is-not-in-julia-core/102426)

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**Author:** [@DeevsDeevs](https://discourse.julialang.org/u/DeevsDeevs)\
**Replies:** 5\
**Last updated:** [August 3, 2023, 9:01am UTC](https://discourse.julialang.org/t/why-http-jl-is-not-in-julia-core/102426 "2023-08-03T09:01:40Z")

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Hello Julia community, I have been using Julia for some time now and have found it to be an excellent language for various applications. However, I have noticed that HTTP.jl is not integrated into the Julia core, unlike…

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## [Write documentation PRs not blog posts](https://discourse.julialang.org/t/write-documentation-prs-not-blog-posts/100942)

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**Author:** [@Nathan\_Boyer](https://discourse.julialang.org/u/Nathan_Boyer)\
**Replies:** 36\
**Last updated:** [July 30, 2023, 3:03am UTC](https://discourse.julialang.org/t/write-documentation-prs-not-blog-posts/100942 "2023-07-30T03:03:52Z")

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I will start by saying I have read many useful blog posts and course notes that have been linked on this forum, and I greatly appreciate the effort that goes into making them. The problem is they are not discoverable. It…

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## [Syntax Surprises](https://discourse.julialang.org/t/syntax-surprises/92369)

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**Author:** [@uniment](https://discourse.julialang.org/u/uniment)\
**Replies:** 83\
**Last updated:** [January 21, 2023, 9:45am UTC](https://discourse.julialang.org/t/syntax-surprises/92369 "2023-01-21T09:45:59Z")

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A fun one for the new year :wink: One of the things I really like about Julia is being able to write code how I like (and the surprisingly large number of language decisions I find myself loving). The syntax is natural,…

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## [Prioritising GPU Primitives from Vendor-Specialised Libraries](https://discourse.julialang.org/t/prioritising-gpu-primitives-from-vendor-specialised-libraries/91700)

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**Author:** [@anicusan](https://discourse.julialang.org/u/anicusan)\
**Replies:** 1\
**Last updated:** [December 15, 2022, 3:49pm UTC](https://discourse.julialang.org/t/prioritising-gpu-primitives-from-vendor-specialised-libraries/91700 "2022-12-15T15:49:39Z")

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Hi, and thank you for the amazing Julia GPGPU ecosystem you’re building! I’d like to hear your thoughts on GPU primitives on our platforms. Julia - with multiple dispatch, homoiconicity and libraries like GPUCompiler a…

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## [Object-oriented syntax in julia](https://discourse.julialang.org/t/object-oriented-syntax-in-julia/90017)

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**Author:** [@linwaytin](https://discourse.julialang.org/u/linwaytin)\
**Replies:** 11\
**Last updated:** [November 11, 2022, 6:43pm UTC](https://discourse.julialang.org/t/object-oriented-syntax-in-julia/90017 "2022-11-11T18:43:05Z")

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I learned and wrote some c++ code recently. Although I’m convinced that the whole system including like inheritance and modifiers (private vs public) is good, I do think the syntax foo.func(...) has some benefits. I kno…

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## [Is it possible to study the Wizard Book in Julia?](https://discourse.julialang.org/t/is-it-possible-to-study-the-wizard-book-in-julia/88232)

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**Author:** [@VincentFerrigan](https://discourse.julialang.org/u/VincentFerrigan)\
**Replies:** 6\
**Last updated:** [October 5, 2022, 6:17am UTC](https://discourse.julialang.org/t/is-it-possible-to-study-the-wizard-book-in-julia/88232 "2022-10-05T06:17:13Z")

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Hi I would love to study SICP (and even HtDP) one day. It would be magnificent if it was possible to do it all in the Julia REPL, Pluto and/or Jupyter. I wonder if it’s possible to write Scheme code in Julia. Would it…

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## [Discussion on "Why I no longer recommend Julia" by Yuri Vishnevsky](https://discourse.julialang.org/t/discussion-on-why-i-no-longer-recommend-julia-by-yuri-vishnevsky/81151)

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**Author:** [@TheCedarPrince](https://discourse.julialang.org/u/TheCedarPrince)\
**Replies:** 292\
**Last updated:** [September 9, 2022, 10:34pm UTC](https://discourse.julialang.org/t/discussion-on-why-i-no-longer-recommend-julia-by-yuri-vishnevsky/81151 "2022-09-09T22:34:41Z")

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Hey folks! There was a pretty good critical article written about Julia recently called “Why I no longer recommend Julia” by Yuri Vishnevsky There is an ongoing discussion about the article that has largely been constr…

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## [Comparing Sum function from multiple languages](https://discourse.julialang.org/t/comparing-sum-function-from-multiple-languages/67305)

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**Author:** [@hdcpereira](https://discourse.julialang.org/u/hdcpereira)\
**Replies:** 4\
**Last updated:** [August 30, 2021, 6:53am UTC](https://discourse.julialang.org/t/comparing-sum-function-from-multiple-languages/67305 "2021-08-30T06:53:34Z")

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Hello there. I’ve finished the juliaacademy course on the basics of julia and it ends with a very nice comparision of the sum function across multiple languages. I’ve changed some few things in the original code, now I’…

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## [Should we improve the text output of Profile.print()?](https://discourse.julialang.org/t/should-we-improve-the-text-output-of-profile-print/67310)

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**Author:** [@carstenbauer](https://discourse.julialang.org/u/carstenbauer)\
**Replies:** 2\
**Last updated:** [August 30, 2021, 5:52am UTC](https://discourse.julialang.org/t/should-we-improve-the-text-output-of-profile-print/67310 "2021-08-30T05:52:34Z")

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Currently, if you profile the function mentioned in ProfileView.jl’s README and Profile.print() you get the following output. using Profile function profile\_test(n) for i = 1:n A = randn(100,100,20) …

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## [Feature request: REPL mode for debugging](https://discourse.julialang.org/t/feature-request-repl-mode-for-debugging/66926)

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**Author:** [@mohamed82008](https://discourse.julialang.org/u/mohamed82008)\
**Replies:** 3\
**Last updated:** [August 28, 2021, 6:38pm UTC](https://discourse.julialang.org/t/feature-request-repl-mode-for-debugging/66926 "2021-08-28T18:38:48Z")

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Wouldn’t it be great to have a REPL mode that’s optimised for debugging rather than ultimate performance? Or maybe it has some experimental features that can be turned on at the user’s own risk? Some features that might …

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## [Benchmark Tests: Improvements for BenchmarkTools](https://discourse.julialang.org/t/benchmark-tests-improvements-for-benchmarktools/66134)

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**Author:** [@viraltux](https://discourse.julialang.org/u/viraltux)\
**Replies:** 16\
**Last updated:** [August 12, 2021, 10:46pm UTC](https://discourse.julialang.org/t/benchmark-tests-improvements-for-benchmarktools/66134 "2021-08-12T22:46:30Z")

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Background In a separate topic discussing why systematic errors appear when using BenchmarkTools, I end up claiming that BenchmarkTools, which happens to be great to measure benchmarks, could introduce improvements when …

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## [Solution concept for "world age" problem occuring with @generated and macros](https://discourse.julialang.org/t/solution-concept-for-world-age-problem-occuring-with-generated-and-macros/57408)

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**Author:** [@rryi](https://discourse.julialang.org/u/rryi)\
**Replies:** 7\
**Last updated:** [April 12, 2021, 7:37pm UTC](https://discourse.julialang.org/t/solution-concept-for-world-age-problem-occuring-with-generated-and-macros/57408 "2021-04-12T19:37:38Z")

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This is not a beginner’s question, it is a question to advanced julia users whether my concept below is a valid and generalizable approach. And if the answers turn out to be positive, it might help others to overcome …

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## [Preferred way to initialize read-only variable using mutations](https://discourse.julialang.org/t/preferred-way-to-initialize-read-only-variable-using-mutations/55504)

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**Author:** [@Uroc327](https://discourse.julialang.org/u/Uroc327)\
**Replies:** 3\
**Last updated:** [February 19, 2021, 9:18pm UTC](https://discourse.julialang.org/t/preferred-way-to-initialize-read-only-variable-using-mutations/55504 "2021-02-19T21:18:37Z")

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I wonder what your preferred ways of initializing a read-only variable using imperative code are. This becomes important, e.g., when there are closures involved and Julia wants to box the variable. Something like funct…

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## [Comparisons between Julia (NeuralPDE.jl and DiffEqFlux.jl) and DeepXDE python package?](https://discourse.julialang.org/t/comparisons-between-julia-neuralpde-jl-and-diffeqflux-jl-and-deepxde-python-package/52669)

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**Author:** [@bad\_at\_math](https://discourse.julialang.org/u/bad_at_math)\
**Replies:** 3\
**Last updated:** [January 25, 2021, 6:07am UTC](https://discourse.julialang.org/t/comparisons-between-julia-neuralpde-jl-and-diffeqflux-jl-and-deepxde-python-package/52669 "2021-01-25T06:07:18Z")

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Hello everyone, I’ve recently come across the DeepXDE python package (https://github.com/lululxvi/deepxde), which can be used for formulating and solving a variety of neural differential equation - type problems. Beyond …

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## [Better compression for JLD2 (Discussion)](https://discourse.julialang.org/t/better-compression-for-jld2-discussion/51306)

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**Author:** [@JonasIsensee](https://discourse.julialang.org/u/JonasIsensee)\
**Replies:** 2\
**Last updated:** [December 6, 2020, 2:25pm UTC](https://discourse.julialang.org/t/better-compression-for-jld2-discussion/51306 "2020-12-06T14:25:03Z")

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Hi all, I’m working on bringing faster / more flexible compression to JLD2. Currently you can do @save "test.jld2" {compress=true} a b c and JLD2 will then compress sufficiently large arrays using CodecZlib. This wor…

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