# Latest

**URL:** https://discourse.julialang.org/latest.md?page=95

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

**Page:** 96

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## [\[ANN\] Announcing ImageClipboard.jl](https://discourse.julialang.org/t/ann-announcing-imageclipboard-jl/63169)

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**Author:** [@hyrodium](https://discourse.julialang.org/u/hyrodium)\
**Replies:** 4\
**Last updated:** [October 19, 2025, 4:28pm UTC](https://discourse.julialang.org/t/ann-announcing-imageclipboard-jl/63169 "2025-10-19T16:28:08Z")

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Hi all, I’m pleased to announce that I’ve registered ImageClipboard.jl, a package that can handle images on the system clipboard. The followings are sample scripts and screenshots from the README. using Images, ImageC…

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## [Constraints in the Genetic Algorithm implemented in \`Metaheuristics.jl\`](https://discourse.julialang.org/t/constraints-in-the-genetic-algorithm-implemented-in-metaheuristics-jl/123628)

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**Author:** [@AkchurinDA](https://discourse.julialang.org/u/AkchurinDA)\
**Replies:** 7\
**Last updated:** [October 19, 2025, 12:48pm UTC](https://discourse.julialang.org/t/constraints-in-the-genetic-algorithm-implemented-in-metaheuristics-jl/123628 "2025-10-19T12:48:51Z")

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Opening a fresh thread based on the recommendation from @pierre-haessig. My original question was: How does the Genetic Algorithm implemented in Metaheuristics.jl “penalize” the objective function for not satisfying th…

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## [Why no single argument \`filter!(f::Function)\` or \`Iterators.filter(f::Function)\`?](https://discourse.julialang.org/t/why-no-single-argument-filter-f-function-or-iterators-filter-f-function/131190)

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**Author:** [@jlbosse](https://discourse.julialang.org/u/jlbosse)\
**Replies:** 20\
**Last updated:** [October 19, 2025, 10:40am UTC](https://discourse.julialang.org/t/why-no-single-argument-filter-f-function-or-iterators-filter-f-function/131190 "2025-10-19T10:40:36Z")

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In the sprit of this question and this related question I was wondering why the single argument version of Base.filter(f) = Fix1(filter, f) exists, but the equivalent Base.filter!(f) and Iterators.filter(f) are missing. …

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## [Lotka Volterra Neural ODE](https://discourse.julialang.org/t/lotka-volterra-neural-ode/133159)

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**Author:** [@Aditya\_Deshpande](https://discourse.julialang.org/u/Aditya_Deshpande)\
**Replies:** 5\
**Last updated:** [October 19, 2025, 9:36am UTC](https://discourse.julialang.org/t/lotka-volterra-neural-ode/133159 "2025-10-19T09:36:47Z")

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Hello All, Just started learning about neural ODEs, i was trying to solve the Lotka Volterra equation using neural ODE. here is my code using JLD, Lux, DiffEqFlux, DifferentialEquations, Optimization, OptimizationOpt…

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## [Stacked Histogram](https://discourse.julialang.org/t/stacked-histogram/133248)

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**Author:** [@Chrysoberyl](https://discourse.julialang.org/u/Chrysoberyl)\
**Replies:** 6\
**Last updated:** [October 19, 2025, 7:06am UTC](https://discourse.julialang.org/t/stacked-histogram/133248 "2025-10-19T07:06:21Z")

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Is there a way to make a stacked histogram in Makie like Stacked histogram on a log scale — seaborn 0.13.2 documentation? The documentation only has examples about multiple histograms.

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## [Vectorizing an awkward computation: any Julia magic?](https://discourse.julialang.org/t/vectorizing-an-awkward-computation-any-julia-magic/133212)

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**Author:** [@moble](https://discourse.julialang.org/u/moble)\
**Replies:** 6\
**Last updated:** [October 19, 2025, 4:19am UTC](https://discourse.julialang.org/t/vectorizing-an-awkward-computation-any-julia-magic/133212 "2025-10-19T04:19:06Z")

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I’m computing a matrix of values (specifically, a Wigner D matrix for a given ℓ value) via recurrence for a given input value R. The nature of this recurrence makes the memory-access patterns pretty ugly, and there’s re…

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## [End of line ParseError](https://discourse.julialang.org/t/end-of-line-parseerror/133273)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 4\
**Last updated:** [October 19, 2025, 4:00am UTC](https://discourse.julialang.org/t/end-of-line-parseerror/133273 "2025-10-19T04:00:18Z")

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I find this ParseError on a windows machine, can you reproduce? function add\_circuit\_breaker\_pair\_module!(model, P\_BUS\_1, P\_BUS\_2, p\_ES, G, pLent, pEV\_1, pU\_1, pAC\_1, D\_1, pEV\_2, pU\_2, pAC\_2, D\_2) pBus\_1 =…

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## [TIOBE index rank: #20 as of August 2023 (was #23 in Jan 2021)](https://discourse.julialang.org/t/tiobe-index-rank-20-as-of-august-2023-was-23-in-jan-2021/42730)

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**Author:** [@pixel27](https://discourse.julialang.org/u/pixel27)\
**Replies:** 92\
**Last updated:** [October 19, 2025, 12:18am UTC](https://discourse.julialang.org/t/tiobe-index-rank-20-as-of-august-2023-was-23-in-jan-2021/42730 "2025-10-19T00:18:41Z")

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https://www.tiobe.com/tiobe-index/ From all the people here with Python/R/Matlab backgrounds I was kind of surprised that C and Java are up at the top…

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## [What new() in inner costructor do?](https://discourse.julialang.org/t/what-new-in-inner-costructor-do/133251)

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**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 5\
**Last updated:** [October 18, 2025, 9:38pm UTC](https://discourse.julialang.org/t/what-new-in-inner-costructor-do/133251 "2025-10-18T21:38:14Z")

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What does new in general do in inner constructor? For example in this code in documentation how new know the work( here create instance if x\>y) it should do? Constructors · The Julia Language julia\> struct OrderedPair…

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## [Error in oneAPI.jl tests](https://discourse.julialang.org/t/error-in-oneapi-jl-tests/133252)

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**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 3\
**Last updated:** [October 18, 2025, 9:01pm UTC](https://discourse.julialang.org/t/error-in-oneapi-jl-tests/133252 "2025-10-18T21:01:34Z")

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I want to use oneAPI.jl as i have Intel GPU integrated in CPU: 14 × Intel(R) Core™ Ultra 7 155U. I am using Manjaro Linux (x86\_64-linux-gnu). On running tests i got errors. pkg\> test oneAPI ▶ Error output Is there any…

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## [Why not an inverse operator to \`\`\`accumulate\`\`\`?](https://discourse.julialang.org/t/why-not-an-inverse-operator-to-accumulate/133264)

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**Author:** [@atteson](https://discourse.julialang.org/u/atteson)\
**Replies:** 1\
**Last updated:** [October 18, 2025, 8:50pm UTC](https://discourse.julialang.org/t/why-not-an-inverse-operator-to-accumulate/133264 "2025-10-18T20:50:55Z")

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There is a function which I find useful is the inverse of accumulate. I’ll call it contrast. Basically, contrast\`\` is to diffwhataccumulateis tocumsum\`\`\`. My implement (not necesaarily most efficient is: contrast( op, v…

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## [What happened to the downloads counter eu-central after 8 October?](https://discourse.julialang.org/t/what-happened-to-the-downloads-counter-eu-central-after-8-october/133267)

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**Author:** [@joa-quim](https://discourse.julialang.org/u/joa-quim)\
**Replies:** 0\
**Last updated:** [October 18, 2025, 6:48pm UTC](https://discourse.julialang.org/t/what-happened-to-the-downloads-counter-eu-central-after-8-october/133267 "2025-10-18T18:48:57Z")

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Looks like the eu-central downloads counter went crazzy after 8´th October. Just a few examples. PrecompileTools Images PrettyTables StaticArrays

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## [How to find code that can be invalidated?](https://discourse.julialang.org/t/how-to-find-code-that-can-be-invalidated/133266)

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**Author:** [@jules](https://discourse.julialang.org/u/jules)\
**Replies:** 0\
**Last updated:** [October 18, 2025, 6:39pm UTC](https://discourse.julialang.org/t/how-to-find-code-that-can-be-invalidated/133266 "2025-10-18T18:39:57Z")

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When discussing TTFX and latency we often talk about which compiled methods of a package may have been invalidated once another package was loaded. But to find invalidations this way you have to have the “right invalidat…

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## [Type instability seemingly due to redundant inner functions that are never called](https://discourse.julialang.org/t/type-instability-seemingly-due-to-redundant-inner-functions-that-are-never-called/133227)

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**Author:** [@Nikos\_Gianniotis](https://discourse.julialang.org/u/Nikos_Gianniotis)\
**Replies:** 5\
**Last updated:** [October 18, 2025, 5:27pm UTC](https://discourse.julialang.org/t/type-instability-seemingly-due-to-redundant-inner-functions-that-are-never-called/133227 "2025-10-18T17:27:26Z")

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I have created an MWE that can readily executed by copy-pasting to the REPL, provided package DispatchDoctor.jl is installed. What follows below is: A variable Z is created in global scope (see end of script below). …

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## [Multiple dispatch translation to e.g. German; Multimethoden? Multimethods \[NOT\] a synonym?](https://discourse.julialang.org/t/multiple-dispatch-translation-to-e-g-german-multimethoden-multimethods-not-a-synonym/133196)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 42\
**Last updated:** [October 18, 2025, 1:53pm UTC](https://discourse.julialang.org/t/multiple-dispatch-translation-to-e-g-german-multimethoden-multimethods-not-a-synonym/133196 "2025-10-18T13:53:50Z")

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Multimethods is maybe a synonym with Multiple dispatch? I’m not sure it could be subtly different, and I see on German Wikipedia Multimethoden is used in Julia’s article, and I though it might be wrong. I tried to trans…

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## [Heatmap! in GeoMakie](https://discourse.julialang.org/t/heatmap-in-geomakie/133249)

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**Author:** [@mreichMPI-BGC](https://discourse.julialang.org/u/mreichMPI-BGC)\
**Replies:** 3\
**Last updated:** [October 18, 2025, 1:32pm UTC](https://discourse.julialang.org/t/heatmap-in-geomakie/133249 "2025-10-18T13:32:02Z")

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The projection in heatmap! does not seem to work (using GeoMAkie 0.7.15), the example using GeoMakie, GLMakie lons = -180:180 lats = -90:90 field = \[exp(cosd(l)) + 3(y/90) for l in lons, y in lats\] fig = Figure() ax = G…

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## [Strange Quarto output using PrettyTables](https://discourse.julialang.org/t/strange-quarto-output-using-prettytables/133104)

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**Author:** [@kellertuer](https://discourse.julialang.org/u/kellertuer)\
**Replies:** 2\
**Last updated:** [October 18, 2025, 9:37am UTC](https://discourse.julialang.org/t/strange-quarto-output-using-prettytables/133104 "2025-10-18T09:37:23Z")

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I have a relatively simple task I want to achieve: Render a quarto notebook into Markdown, so that I can include it in my docs. I am of course running QuartoNotebookRunner.jl. When I have to work with tables, using Pre…

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## [Problems when installing Revise.jl in Julia 1.12 on WSL2-Fedora43](https://discourse.julialang.org/t/problems-when-installing-revise-jl-in-julia-1-12-on-wsl2-fedora43/133254)

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**Author:** [@rtchoucz](https://discourse.julialang.org/u/rtchoucz)\
**Replies:** 1\
**Last updated:** [October 18, 2025, 6:15am UTC](https://discourse.julialang.org/t/problems-when-installing-revise-jl-in-julia-1-12-on-wsl2-fedora43/133254 "2025-10-18T06:15:52Z")

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## [Julia v1.12.1 has been released](https://discourse.julialang.org/t/julia-v1-12-1-has-been-released/133257)

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**Author:** [@ararslan](https://discourse.julialang.org/u/ararslan)\
**Replies:** 0\
**Last updated:** [October 18, 2025, 5:30am UTC](https://discourse.julialang.org/t/julia-v1-12-1-has-been-released/133257 "2025-10-18T05:30:02Z")

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Julia version 1.12.1, the first patch release in the 1.12 series of releases, is now available. Binaries are available via JuliaUp and at https://julialang.org/downloads/ for macOS (Intel and M-series processors), Window…

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## [Coloring background planes of 3d plot in Makie](https://discourse.julialang.org/t/coloring-background-planes-of-3d-plot-in-makie/133247)

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**Author:** [@Gus\_Hart](https://discourse.julialang.org/u/Gus_Hart)\
**Replies:** 3\
**Last updated:** [October 17, 2025, 10:46pm UTC](https://discourse.julialang.org/t/coloring-background-planes-of-3d-plot-in-makie/133247 "2025-10-17T22:46:50Z")

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I’m making a 3d plot, like the one shown below, but I can’t figure out how to color the background planes (or the “axis planes”, not sure what to call them). Changing the Figure() background colors the entire scene’s bac…

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## [PSA: Intent to deprecate -cxx03, -libgfortran3, -libgfortran4 ABIs](https://discourse.julialang.org/t/psa-intent-to-deprecate-cxx03-libgfortran3-libgfortran4-abis/130799)

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**Author:** [@Keno](https://discourse.julialang.org/u/Keno)\
**Replies:** 1\
**Last updated:** [October 17, 2025, 9:55pm UTC](https://discourse.julialang.org/t/psa-intent-to-deprecate-cxx03-libgfortran3-libgfortran4-abis/130799 "2025-10-17T21:55:01Z")

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This is an early PSA that we’re planning to remove the -cxx03, -libgfortran3, -libgfortran4 ABIs from the default list of built ABIs on Yggdrasil. The binaries provided by julialang.org are -libgfortran5-cxx11, so are un…

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## [Ccall of entry point name vs tuple of entry point and library](https://discourse.julialang.org/t/ccall-of-entry-point-name-vs-tuple-of-entry-point-and-library/133209)

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**Author:** [@dmbates](https://discourse.julialang.org/u/dmbates)\
**Replies:** 3\
**Last updated:** [October 17, 2025, 7:30pm UTC](https://discourse.julialang.org/t/ccall-of-entry-point-name-vs-tuple-of-entry-point-and-library/133209 "2025-10-17T19:30:43Z")

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As background, I have been working on modifying some of the RCall.jl code to isolate the boxing/unboxing code for R’s internal representations of objects. The idea is to write Julia code that can be compiled to a shared…

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## [Adjoint sensitivities for non-numeric types in ModelingToolkit.jl](https://discourse.julialang.org/t/adjoint-sensitivities-for-non-numeric-types-in-modelingtoolkit-jl/132082)

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**Author:** [@mxp](https://discourse.julialang.org/u/mxp)\
**Replies:** 2\
**Last updated:** [October 17, 2025, 4:51pm UTC](https://discourse.julialang.org/t/adjoint-sensitivities-for-non-numeric-types-in-modelingtoolkit-jl/132082 "2025-10-17T16:51:26Z")

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I’d like to use non-numeric types in ModelingToolkit.jl, but with adjoint sensitivities. When using DifferentialEquations.jl there is support for this through SciMLStructures.jl as described here. So I assumed this would…

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## [JuliaCon Paris is releasing the videos!](https://discourse.julialang.org/t/juliacon-paris-is-releasing-the-videos/133246)

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**Author:** [@gdalle](https://discourse.julialang.org/u/gdalle)\
**Replies:** 0\
**Last updated:** [October 17, 2025, 3:44pm UTC](https://discourse.julialang.org/t/juliacon-paris-is-releasing-the-videos/133246 "2025-10-17T15:44:35Z")

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Hi everyone! Now that JuliaCon Local Paris 2025 is over, it’s time to relive the best moments with our video recordings :movie\_camera: They will be released in batches over the next couple of weeks, so keep watching the…

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## [How to change struct without julia restart?](https://discourse.julialang.org/t/how-to-change-struct-without-julia-restart/133242)

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**Author:** [@Alex1](https://discourse.julialang.org/u/Alex1)\
**Replies:** 2\
**Last updated:** [October 17, 2025, 2:54pm UTC](https://discourse.julialang.org/t/how-to-change-struct-without-julia-restart/133242 "2025-10-17T14:54:00Z")

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I use named tuples, the problem - it’s hard to make code typed properly and it’s slow. Working with struct requires julia restart, so also not an option. Is there a way to somehow update struct without restarting julia…

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## [@snoop\_inference taking a very long time?](https://discourse.julialang.org/t/snoop-inference-taking-a-very-long-time/133233)

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**Author:** [@johnomotani](https://discourse.julialang.org/u/johnomotani)\
**Replies:** 2\
**Last updated:** [October 17, 2025, 2:03pm UTC](https://discourse.julialang.org/t/snoop-inference-taking-a-very-long-time/133233 "2025-10-17T14:03:51Z")

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Running @snoop\_inference on a function from my package is taking a very long time - it’s been running for an hour since the function finished executing and hasn’t returned yet. Is this a known issue in any cases? Any sug…

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## [Identification using LowLevelParticleFilters.jl](https://discourse.julialang.org/t/identification-using-lowlevelparticlefilters-jl/132393)

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**Author:** [@langestefan](https://discourse.julialang.org/u/langestefan)\
**Replies:** 19\
**Last updated:** [October 17, 2025, 1:04pm UTC](https://discourse.julialang.org/t/identification-using-lowlevelparticlefilters-jl/132393 "2025-10-17T13:04:10Z")

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I am looking for an example (or some guidance) on how to fit a Kalman smoother to data using log-likelihood maximization using LowLevelParticleFilters.jl. I already have a model structure and have collected a dataset. I…

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## [Recommendations for larger than memory data](https://discourse.julialang.org/t/recommendations-for-larger-than-memory-data/129015)

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**Author:** [@RobertGregg](https://discourse.julialang.org/u/RobertGregg)\
**Replies:** 5\
**Last updated:** [October 17, 2025, 12:08pm UTC](https://discourse.julialang.org/t/recommendations-for-larger-than-memory-data/129015 "2025-10-17T12:08:24Z")

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I’m starting to work with a large dataset that does not fit into memory. The data is approximately 5000 samples, 1 million features, and two time points. The features are continuous values that range from 0 to 1. I’m try…

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## [Any solution for float 32 required by lux models embeded in Turing.jl](https://discourse.julialang.org/t/any-solution-for-float-32-required-by-lux-models-embeded-in-turing-jl/133202)

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**Author:** [@imantha](https://discourse.julialang.org/u/imantha)\
**Replies:** 3\
**Last updated:** [October 17, 2025, 11:25am UTC](https://discourse.julialang.org/t/any-solution-for-float-32-required-by-lux-models-embeded-in-turing-jl/133202 "2025-10-17T11:25:44Z")

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Hi I have trained Variational Autoencoder from Lux.jl embeded inside a Turing.jl model. But I am unable to convert a latent variable to float32 to pass it through Lux.jl model to get its ouput. I saw a post here (Issue w…

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## [(Wallclock) Performance degraded when going from 1.11.6 to 1.12](https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171)

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**Author:** [@JJMerelo](https://discourse.julialang.org/u/JJMerelo)\
**Replies:** 4\
**Last updated:** [October 17, 2025, 10:52am UTC](https://discourse.julialang.org/t/wallclock-performance-degraded-when-going-from-1-11-6-to-1-12/133171 "2025-10-17T10:52:45Z")

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I have been working with this repo, GitHub - cecimerelo/BraveNewAlgorithm.jl and running energy benchmarks, as well as performance benchmarks. After upgrading to 1.12, and as measured by an external CLI (pinpoint), the …

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