# Latest

**URL:** https://discourse.julialang.org/latest.md?page=194

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

**Page:** 195

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## [How to isolate & report non-deterministic bug](https://discourse.julialang.org/t/how-to-isolate-report-non-deterministic-bug/127176)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 16\
**Last updated:** [March 28, 2025, 8:12am UTC](https://discourse.julialang.org/t/how-to-isolate-report-non-deterministic-bug/127176 "2025-03-28T08:12:20Z")

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I have a large (15k LOC) calculation that works fine in 1.10.9 but gives an error in 1.11.4 (nothing else changed, not even the manifest). I isolated the function where this happens and I can reproduce it (within my cod…

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## [Contingency plan for JuliaCon](https://discourse.julialang.org/t/contingency-plan-for-juliacon/126207)

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**Author:** [@Zgabalj](https://discourse.julialang.org/u/Zgabalj)\
**Replies:** 27\
**Last updated:** [March 28, 2025, 8:31am UTC](https://discourse.julialang.org/t/contingency-plan-for-juliacon/126207 "2025-03-28T08:31:14Z")

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Based on the ongoing events, has there been any effort to move JuliaCon 2025 to another location (preferably another country)?

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## [Does Julia support desktop software development?](https://discourse.julialang.org/t/does-julia-support-desktop-software-development/105040)

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**Author:** [@WuSiren](https://discourse.julialang.org/u/WuSiren)\
**Replies:** 9\
**Last updated:** [March 28, 2025, 8:24am UTC](https://discourse.julialang.org/t/does-julia-support-desktop-software-development/105040 "2025-03-28T08:24:45Z")

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Can I use Julia to develop some executable desktop softwares on win10 computer? And how about developing mobile apps?

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## [\[ANN\] SmithChart.jl: Visualize Smith charts with Makie.jl](https://discourse.julialang.org/t/ann-smithchart-jl-visualize-smith-charts-with-makie-jl/127391)

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**Author:** [@Uve](https://discourse.julialang.org/u/Uve)\
**Replies:** 4\
**Last updated:** [March 28, 2025, 6:00am UTC](https://discourse.julialang.org/t/ann-smithchart-jl-visualize-smith-charts-with-makie-jl/127391 "2025-03-28T06:00:50Z")

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Hello, I’m excited to announce the release of SmithChart.jl, a new package that brings interactive Smith charts to the Makie.jl ecosystem. This project was developed as a way to learn and explore the powerful capabilit…

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## [Assigning multiple values to a Dataframe row using broadcasting](https://discourse.julialang.org/t/assigning-multiple-values-to-a-dataframe-row-using-broadcasting/127102)

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**Author:** [@00krishna](https://discourse.julialang.org/u/00krishna)\
**Replies:** 12\
**Last updated:** [March 27, 2025, 11:56pm UTC](https://discourse.julialang.org/t/assigning-multiple-values-to-a-dataframe-row-using-broadcasting/127102 "2025-03-27T23:56:05Z")

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I am having some trouble using a vectorized function and assigning the output to a DataFrames row. Here is a simple MWE below. The function computes multiple values as the output, and I wanted to assign each element of t…

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## [CUDA.jl write to global memory in PTX](https://discourse.julialang.org/t/cuda-jl-write-to-global-memory-in-ptx/127426)

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**Author:** [@daniwipes](https://discourse.julialang.org/u/daniwipes)\
**Replies:** 4\
**Last updated:** [March 27, 2025, 9:31pm UTC](https://discourse.julialang.org/t/cuda-jl-write-to-global-memory-in-ptx/127426 "2025-03-27T21:31:18Z")

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I am developing a transpiler for a uni project, that takes an Expr and converts that into PTX code which can then be called to evaluate that expression (in the context of symbolic regression, meaning a lot different valu…

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## [When I grow up I want to be a function](https://discourse.julialang.org/t/when-i-grow-up-i-want-to-be-a-function/127425)

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**Author:** [@NonDairyNeutrino](https://discourse.julialang.org/u/NonDairyNeutrino)\
**Replies:** 2\
**Last updated:** [March 27, 2025, 7:48pm UTC](https://discourse.julialang.org/t/when-i-grow-up-i-want-to-be-a-function/127425 "2025-03-27T19:48:57Z")

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I learned programming in my undergrad through using Mathematica for homework assignments (B.S. Physics, B.S. Pure Math), and later for some undergrad physics research. It always made perfect sense to me because it was j…

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## [Calculate associated Legendre polynomials on the GPU](https://discourse.julialang.org/t/calculate-associated-legendre-polynomials-on-the-gpu/127418)

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**Author:** [@PetrosStefanou](https://discourse.julialang.org/u/PetrosStefanou)\
**Replies:** 3\
**Last updated:** [March 27, 2025, 7:15pm UTC](https://discourse.julialang.org/t/calculate-associated-legendre-polynomials-on-the-gpu/127418 "2025-03-27T19:15:55Z")

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Hi everyone, I would like to evaluate the associated Legendre polynomials P\_l^m (\\cos{\\theta}) on the GPU. I tried the packages AssociatedLegendrePolynomials.jl and LegendrePolynomials.jl, both of which work as intended…

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## [MethodError: no method matching Float64(::ForwardDiff.Dual{ForwardDiff.Tag{DifferentiationInterface.FixTail{…}, Float64}, Float64, 3})](https://discourse.julialang.org/t/methoderror-no-method-matching-float64-forwarddiff-dual-forwarddiff-tag-differentiationinterface-fixtail-float64-float64-3/127428)

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**Author:** [@Emma00000](https://discourse.julialang.org/u/Emma00000)\
**Replies:** 2\
**Last updated:** [March 27, 2025, 7:03pm UTC](https://discourse.julialang.org/t/methoderror-no-method-matching-float64-forwarddiff-dual-forwarddiff-tag-differentiationinterface-fixtail-float64-float64-3/127428 "2025-03-27T19:03:27Z")

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Hi, I’m trying to find the steady states of a ODE system by FindSteadyStates.jl. using OrdinaryDiffEq, ODEInterfaceDiffEq, DifferentialEquations using ModelingToolkit, NonlinearSolve, FindSteadyStates @kwdef mutable st…

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## [Save ODE solution for specific values of one state variable](https://discourse.julialang.org/t/save-ode-solution-for-specific-values-of-one-state-variable/126168)

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**Author:** [@afossa](https://discourse.julialang.org/u/afossa)\
**Replies:** 2\
**Last updated:** [March 27, 2025, 6:40pm UTC](https://discourse.julialang.org/t/save-ode-solution-for-specific-values-of-one-state-variable/126168 "2025-03-27T18:40:54Z")

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Hello, I am using DifferentialEquations.jl to solve a system of ordinary differential equations (an ODEProblem) of the form du = f(u, p, t) where u is a vector. One component of u, say u\[1\], is monotonically increasing…

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## [Lightweight dependency for GPU programming](https://discourse.julialang.org/t/lightweight-dependency-for-gpu-programming/127386)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 7\
**Last updated:** [March 27, 2025, 5:22pm UTC](https://discourse.julialang.org/t/lightweight-dependency-for-gpu-programming/127386 "2025-03-27T17:22:24Z")

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As a package author is it possible to define KernelAbstractions.jl in my package without adding heavy dependencies? I see that the package currently depends on \[deps\] Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e" Atomi…

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## [Dependency not found after installing the package just fine](https://discourse.julialang.org/t/dependency-not-found-after-installing-the-package-just-fine/127407)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 4\
**Last updated:** [March 27, 2025, 3:37pm UTC](https://discourse.julialang.org/t/dependency-not-found-after-installing-the-package-just-fine/127407 "2025-03-27T15:37:16Z")

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I don’t understand what is going on here: \_ \_ \_(\_)\_ | Documentation: https://docs.julialang.org (\_) | (\_) (\_) | \_ \_ \_| |\_ \_\_ \_ | Type "?" for help, "\]?" for Pkg help. | | | | | | |/ \_\` …

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## [Variable Length Tuples Without Allocation](https://discourse.julialang.org/t/variable-length-tuples-without-allocation/127113)

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**Author:** [@mrufsvold](https://discourse.julialang.org/u/mrufsvold)\
**Replies:** 9\
**Last updated:** [March 27, 2025, 3:26pm UTC](https://discourse.julialang.org/t/variable-length-tuples-without-allocation/127113 "2025-03-27T15:26:05Z")

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A quick search of this forum yields a number of questions about variable length Tuples. Maybe you have a recursive function that returns a tuple based on depth or something like that. I have bumped into this issue sever…

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## [\`esc\` asymmetry between \`public\` and \`export\`](https://discourse.julialang.org/t/esc-asymmetry-between-public-and-export/127420)

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**Author:** [@PatrickHaecker](https://discourse.julialang.org/u/PatrickHaecker)\
**Replies:** 2\
**Last updated:** [March 27, 2025, 3:08pm UTC](https://discourse.julialang.org/t/esc-asymmetry-between-public-and-export/127420 "2025-03-27T15:08:46Z")

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I think I understood the semantic difference between export and public. However, besides this semantic difference I thought that I can always exchange them syntactically. However, this does not seem to be the case. In …

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## [Help, I'm going out of my mind - Julia and VS Code Problems](https://discourse.julialang.org/t/help-im-going-out-of-my-mind-julia-and-vs-code-problems/27496)

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**Author:** [@Monkspeed](https://discourse.julialang.org/u/Monkspeed)\
**Replies:** 27\
**Last updated:** [August 30, 2021, 3:57pm UTC](https://discourse.julialang.org/t/help-im-going-out-of-my-mind-julia-and-vs-code-problems/27496 "2021-08-30T15:57:47Z")

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Hello all, I’ve installed VS Code, Julia 1.1.1, and setup the system variable JULIA\_HOME and path to point to the bin folder of Julia. julialang v0.12.0 is installed in VS Code. But every time I try to run my code with…

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## [Confusion on performance when using the broadcasting macro @. vs explicit . operators](https://discourse.julialang.org/t/confusion-on-performance-when-using-the-broadcasting-macro-vs-explicit-operators/127380)

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**Author:** [@PetrosStefanou](https://discourse.julialang.org/u/PetrosStefanou)\
**Replies:** 7\
**Last updated:** [March 27, 2025, 11:51am UTC](https://discourse.julialang.org/t/confusion-on-performance-when-using-the-broadcasting-macro-vs-explicit-operators/127380 "2025-03-27T11:51:29Z")

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Hi everyone, I am confused about the performance of the following code when using the @. macro as opposed to manually adding . before each operator. Below is a MWE function get\_f(θ, ϕ) α0 = 1.5 θ1 = π/4 ϕ1…

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## [ERROR: LoadError: could not load symbol "jl\_tag\_newly\_inferred\_enable"](https://discourse.julialang.org/t/error-loaderror-could-not-load-symbol-jl-tag-newly-inferred-enable/127356)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 7\
**Last updated:** [March 27, 2025, 10:29am UTC](https://discourse.julialang.org/t/error-loaderror-could-not-load-symbol-jl-tag-newly-inferred-enable/127356 "2025-03-27T10:29:43Z")

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I am bisecting the Julia repo for a bug, reproduced by a rather complex package that uses StaticArrays.jl. Around dbe19e49d9 (approximate, since I have been trying git bisect skip to get rid of this error, in vain) in th…

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## [Pluto notebook "Malt.TerminatedWorkerException()" error](https://discourse.julialang.org/t/pluto-notebook-malt-terminatedworkerexception-error/127006)

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**Author:** [@bpsomu](https://discourse.julialang.org/u/bpsomu)\
**Replies:** 3\
**Last updated:** [March 27, 2025, 10:20am UTC](https://discourse.julialang.org/t/pluto-notebook-malt-terminatedworkerexception-error/127006 "2025-03-27T10:20:09Z")

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I have installed AMDGPU.jl and have been using it in the Julia REPL. I tried using AMDGPU inside Pluto notebook and I got the error: Error message Malt.TerminatedWorkerException() What’s happening and how do I…

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## [RCall.jl - how to handle R package dependencies?](https://discourse.julialang.org/t/rcall-jl-how-to-handle-r-package-dependencies/83172)

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**Author:** [@pat-alt](https://discourse.julialang.org/u/pat-alt)\
**Replies:** 3\
**Last updated:** [March 27, 2025, 9:47am UTC](https://discourse.julialang.org/t/rcall-jl-how-to-handle-r-package-dependencies/83172 "2025-03-27T09:47:28Z")

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Hi there, I’m working on an experimental feature for CounterfactualExplanations.jl that adds native support for explaining R torch models. This is made possible by RCall.jl and local tests are passing. But since torch i…

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## [\[ANN\] RSetup.jl: mini-R package manager for use with RCall](https://discourse.julialang.org/t/ann-rsetup-jl-mini-r-package-manager-for-use-with-rcall/127396)

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**Author:** [@technocrat](https://discourse.julialang.org/u/technocrat)\
**Replies:** 0\
**Last updated:** [March 27, 2025, 2:23am UTC](https://discourse.julialang.org/t/ann-rsetup-jl-mini-r-package-manager-for-use-with-rcall/127396 "2025-03-27T02:23:43Z")

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using RSetup setup\_r\_environment(\["classInt"\]) This single-function package will detect if the R environment includes the classInt library (or your choice of libraries) and, if needed, install it so that it is available…

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## [BeforeIT.jl - High-Performance Agent-Based Macroeconomics in Julia](https://discourse.julialang.org/t/beforeit-jl-high-performance-agent-based-macroeconomics-in-julia/126984)

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**Author:** [@Tortar](https://discourse.julialang.org/u/Tortar)\
**Replies:** 9\
**Last updated:** [March 27, 2025, 9:33am UTC](https://discourse.julialang.org/t/beforeit-jl-high-performance-agent-based-macroeconomics-in-julia/126984 "2025-03-27T09:33:02Z")

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Hi all, I’d like to announce BeforeIT.jl, a Julia package for macroeconomic agent based modelling based on a recent and very well known model. The package is particularly performant in respect to other implementations w…

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## [Cache misses when 'using' packages since upgrading to 1.11](https://discourse.julialang.org/t/cache-misses-when-using-packages-since-upgrading-to-1-11/121445)

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**Author:** [@Eliassj](https://discourse.julialang.org/u/Eliassj)\
**Replies:** 14\
**Last updated:** [March 27, 2025, 9:23am UTC](https://discourse.julialang.org/t/cache-misses-when-using-packages-since-upgrading-to-1-11/121445 "2025-03-27T09:23:48Z")

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Since upgrading to 1.11 I’ve been receiving messages about cache misses like this one: julia\> using GLMakie \[ Info: Precompiling GLMakie \[e9467ef8-e4e7-5192-8a1a-b1aee30e663a\] (cache misses: invalid header (8)) and thi…

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## [Julia installation file sizes](https://discourse.julialang.org/t/julia-installation-file-sizes/119130)

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**Author:** [@joa-quim](https://discourse.julialang.org/u/joa-quim)\
**Replies:** 19\
**Last updated:** [March 27, 2025, 9:06am UTC](https://discourse.julialang.org/t/julia-installation-file-sizes/119130 "2025-03-27T09:06:47Z")

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Hi, Julia install sizes has been steadily growing in size. It was on the range 400-600 MB for versions \< 1.10 (can’t remember anymore) and is. v1.10 ~700 MB v1.11 ~870 MB v112 ~0.99 GB (nightly) I found that the mai…

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## [\[ANN\] RegistryBrowser.jl - Interactively browse packages](https://discourse.julialang.org/t/ann-registrybrowser-jl-interactively-browse-packages/126802)

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**Author:** [@GHTaarn](https://discourse.julialang.org/u/GHTaarn)\
**Replies:** 1\
**Last updated:** [March 27, 2025, 6:56am UTC](https://discourse.julialang.org/t/ann-registrybrowser-jl-interactively-browse-packages/126802 "2025-03-27T06:56:57Z")

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For a long time I have wanted to be able to browse the packages in my registries directly from the REPL, so I built this tool to do this. The latest stable version is able to display all package information that is loca…

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## [Help! Does anyone know how to use JuliaFormatter in VSCode editor?](https://discourse.julialang.org/t/help-does-anyone-know-how-to-use-juliaformatter-in-vscode-editor/111714)

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**Author:** [@StevenSiew](https://discourse.julialang.org/u/StevenSiew)\
**Replies:** 8\
**Last updated:** [March 27, 2025, 5:01am UTC](https://discourse.julialang.org/t/help-does-anyone-know-how-to-use-juliaformatter-in-vscode-editor/111714 "2025-03-27T05:01:49Z")

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Help! Does anyone know how to use JuliaFormatter in VSCode editor? I have installed JuliaFormater in VS Code editor but I don’t have a clue how to use it to format my Julia source code. Can anyone give me some instruct…

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## [How can I participate in JSOC 2025?](https://discourse.julialang.org/t/how-can-i-participate-in-jsoc-2025/127401)

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**Author:** [@Mend-Amar\_Badral](https://discourse.julialang.org/u/Mend-Amar_Badral)\
**Replies:** 0\
**Last updated:** [March 27, 2025, 4:37am UTC](https://discourse.julialang.org/t/how-can-i-participate-in-jsoc-2025/127401 "2025-03-27T04:37:57Z")

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Hi, I am thinking of participating in GSOC (or JSOC) 2025. How can I participate? I’m intermediate but not advanced user of Julia with some knowledge of image processing, geospatial.

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## [Why does \`Cthulhu.@descend\` report incorrect \`Any\` inference in the call menu?](https://discourse.julialang.org/t/why-does-cthulhu-descend-report-incorrect-any-inference-in-the-call-menu/127400)

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**Author:** [@Benny](https://discourse.julialang.org/u/Benny)\
**Replies:** 0\
**Last updated:** [March 27, 2025, 4:33am UTC](https://discourse.julialang.org/t/why-does-cthulhu-descend-report-incorrect-any-inference-in-the-call-menu/127400 "2025-03-27T04:33:30Z")

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Cthulhu.@descend sometimes annotates return types of calls as ::Any in the call menu, contradicting @code\_warntype. Descending into the ::Any calls show different return types in the annotated method body, consistent wit…

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## [Kwargs allocating (?)](https://discourse.julialang.org/t/kwargs-allocating/127326)

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**Author:** [@miguelborrero](https://discourse.julialang.org/u/miguelborrero)\
**Replies:** 6\
**Last updated:** [March 27, 2025, 4:21am UTC](https://discourse.julialang.org/t/kwargs-allocating/127326 "2025-03-27T04:21:00Z")

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Hi there, consider the following simple function: M = \[1.0 2.0; 3.0 4.0\] n = size(M,1) I\_n = Matrix{Float64}(I, n, n) A\_temp = zeros(n, n) diff\_temp = zeros(n, n) function inf\_norm\_dif…

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## [Efficient optimization of objective with cos and sin terms](https://discourse.julialang.org/t/efficient-optimization-of-objective-with-cos-and-sin-terms/126990)

<div class="topic-metadata">

**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 25\
**Last updated:** [March 27, 2025, 1:12am UTC](https://discourse.julialang.org/t/efficient-optimization-of-objective-with-cos-and-sin-terms/126990 "2025-03-27T01:12:03Z")

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Given the following objective: J(t) = ||z\_1 \\cos(t) + z\_2 \\sin(t) - d||\_2^2 with t \\in \[0,2\\pi\] and z\_1,z\_2,d \\in \\mathbb{R}^n. How would you minimize this objective efficiently? I am trying to derive an analytical so…

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## [Approaching a Linear Program Correctly](https://discourse.julialang.org/t/approaching-a-linear-program-correctly/127354)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 15\
**Last updated:** [March 27, 2025, 12:37am UTC](https://discourse.julialang.org/t/approaching-a-linear-program-correctly/127354 "2025-03-27T00:37:32Z")

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Let’s see the Proposition 5.2.1 of the 2009 Bertsekas’s convex optimization theory: (Linear Programming Duality Theorem) (a) If any one of the 2 programs (primal and dual) has a finite optimal objective value, then th…

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