# Latest

**URL:** https://discourse.julialang.org/latest.md?page=37

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

**Page:** 38

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## [Julia Bioinformatics Algorithms New Project](https://discourse.julialang.org/t/julia-bioinformatics-algorithms-new-project/135501)

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**Author:** [@Stergios\_Papadimitri](https://discourse.julialang.org/u/Stergios_Papadimitri)\
**Replies:** 6\
**Last updated:** [April 15, 2026, 3:31pm UTC](https://discourse.julialang.org/t/julia-bioinformatics-algorithms-new-project/135501 "2026-04-15T15:31:05Z")

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Hi all, I started to develop a project for the implementation in Julia of the algorithms of the book “Bioinformatics Algorithms: An active learning approach” of Pavel Pevzner et. all The project URL is: https dot sour…

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## [Passing through \`==\` for subtypes of a parametric abstract type with differing parameters](https://discourse.julialang.org/t/passing-through-for-subtypes-of-a-parametric-abstract-type-with-differing-parameters/136716)

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**Author:** [@brainandforce](https://discourse.julialang.org/u/brainandforce)\
**Replies:** 11\
**Last updated:** [April 15, 2026, 5:59am UTC](https://discourse.julialang.org/t/passing-through-for-subtypes-of-a-parametric-abstract-type-with-differing-parameters/136716 "2026-04-15T05:59:39Z")

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Say I define AbstractFoo{T}, which has no supertype besides Any, but has subtypes Bar{T} and Baz{T}: julia\> abstract type AbstractFoo{T} end julia\> struct Bar{T} \<: AbstractFoo{T} value::T end …

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## [\`using Pycall\` on Google Colab makes Julia runtime crash](https://discourse.julialang.org/t/using-pycall-on-google-colab-makes-julia-runtime-crash/136718)

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**Author:** [@funatsufumiya](https://discourse.julialang.org/u/funatsufumiya)\
**Replies:** 3\
**Last updated:** [April 15, 2026, 4:51am UTC](https://discourse.julialang.org/t/using-pycall-on-google-colab-makes-julia-runtime-crash/136718 "2026-04-15T04:51:22Z")

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I’d like to use PyCall on Google Colab Julia runtime, but not succeeded. import Pkg; Pkg.add("PyCall") works, however, using PyCall would crash. run(which python) shows /usr/local/bin/python, run(which pip) shows /usr/…

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## [ResumableFunctions @yield doesn't work even in the simplest IO example](https://discourse.julialang.org/t/resumablefunctions-yield-doesnt-work-even-in-the-simplest-io-example/136713)

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**Author:** [@tdm](https://discourse.julialang.org/u/tdm)\
**Replies:** 2\
**Last updated:** [April 15, 2026, 2:55am UTC](https://discourse.julialang.org/t/resumablefunctions-yield-doesnt-work-even-in-the-simplest-io-example/136713 "2026-04-15T02:55:59Z")

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This is the simplest IO example (copied from AI) and explicitly supported in the docs: @resumable function read\_lines(filename) io = open(filename) try for line in eachline(io) @yield line …

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## [Area under a ROC Curve after a logistic regression](https://discourse.julialang.org/t/area-under-a-roc-curve-after-a-logistic-regression/121121)

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**Author:** [@mwsohn](https://discourse.julialang.org/u/mwsohn)\
**Replies:** 3\
**Last updated:** [April 14, 2026, 8:09pm UTC](https://discourse.julialang.org/t/area-under-a-roc-curve-after-a-logistic-regression/121121 "2026-04-14T20:09:03Z")

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I am trying to compute ROCAnalysis.jl package to compute the AUC value after a logistic regression. When I ran auc(roc(dep, pred)), where dep is the vector with original binary dependent variable and pred the predicted…

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## [Add versus dev and potential confusion](https://discourse.julialang.org/t/add-versus-dev-and-potential-confusion/136712)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 0\
**Last updated:** [April 14, 2026, 4:27pm UTC](https://discourse.julialang.org/t/add-versus-dev-and-potential-confusion/136712 "2026-04-14T16:27:59Z")

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“Because you’re expected to make changes to code when you use dev , Julia copies packages that you develop for the first time by specifying its name or URL (for example dev MacroTools or dev https://github.com/FluxML/Mac…

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## [Arrow types in Catalyst JumpProblem](https://discourse.julialang.org/t/arrow-types-in-catalyst-jumpproblem/136709)

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**Author:** [@hhindley](https://discourse.julialang.org/u/hhindley)\
**Replies:** 6\
**Last updated:** [April 14, 2026, 4:04pm UTC](https://discourse.julialang.org/t/arrow-types-in-catalyst-jumpproblem/136709 "2026-04-14T16:04:11Z")

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I have a question about the arrow types in Catalyst models when simulating jump processes. I build the model as a reaction network in Catalyst and simulate it as a JumpProblem. It’s a large model and so I’m trying to opt…

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## [Finding sub-arrays in an array?](https://discourse.julialang.org/t/finding-sub-arrays-in-an-array/136700)

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**Author:** [@sophibug](https://discourse.julialang.org/u/sophibug)\
**Replies:** 7\
**Last updated:** [April 14, 2026, 3:50pm UTC](https://discourse.julialang.org/t/finding-sub-arrays-in-an-array/136700 "2026-04-14T15:50:02Z")

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I’m putting this here because this is a chemistry usage but it’s not really a chemistry-specific case. I have an array that has a bunch of states formatted like this: 1.0 1.0 0.0 1.0 0.0 1.0 6380.35 1.0 1.0…

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## [Migrating CUDA.jl atomic operations to ParallelStencil.jl using Atomix.jl?](https://discourse.julialang.org/t/migrating-cuda-jl-atomic-operations-to-parallelstencil-jl-using-atomix-jl/136710)

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**Author:** [@Ludovic\_Dumoulin](https://discourse.julialang.org/u/Ludovic_Dumoulin)\
**Replies:** 2\
**Last updated:** [April 14, 2026, 1:57pm UTC](https://discourse.julialang.org/t/migrating-cuda-jl-atomic-operations-to-parallelstencil-jl-using-atomix-jl/136710 "2026-04-14T13:57:33Z")

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Hello, I am currently porting my code from CUDA.jl to ParallelStencil.jl. While I have successfully managed the transition for mixed Float64 and ComplexF64 types, I have run into a challenge replacing CUDA-specific atom…

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## [INPE's satellite simulator UI is now powered by Tachikoma.jl, and it is amazing!](https://discourse.julialang.org/t/inpes-satellite-simulator-ui-is-now-powered-by-tachikoma-jl-and-it-is-amazing/136342)

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**Author:** [@Ronis\_BR](https://discourse.julialang.org/u/Ronis_BR)\
**Replies:** 15\
**Last updated:** [April 14, 2026, 1:51pm UTC](https://discourse.julialang.org/t/inpes-satellite-simulator-ui-is-now-powered-by-tachikoma-jl-and-it-is-amazing/136342 "2026-04-14T13:51:55Z")

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Hi! Some of you know that one of our biggest accomplishments here at the Brazilian National Institute for Space Research (INPE) was to build a validated satellite simulator that is being used in all phases of the attitu…

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## [JuliaRegisterChangelog, a workflow for automatic package registration and changelogs based on Conventional Commits](https://discourse.julialang.org/t/juliaregisterchangelog-a-workflow-for-automatic-package-registration-and-changelogs-based-on-conventional-commits/130488)

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**Author:** [@alex180500](https://discourse.julialang.org/u/alex180500)\
**Replies:** 3\
**Last updated:** [April 14, 2026, 10:39am UTC](https://discourse.julialang.org/t/juliaregisterchangelog-a-workflow-for-automatic-package-registration-and-changelogs-based-on-conventional-commits/130488 "2026-04-14T10:39:57Z")

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I wanted to automate the process of commenting the latest commit to trigger the JuliaRegistrator. I also wanted this automation to include a changelog based on conventions like Conventional Commits. For this reason I cr…

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## [Julia Language Server crashes in VSCode after update to VSCode 1.115.0](https://discourse.julialang.org/t/julia-language-server-crashes-in-vscode-after-update-to-vscode-1-115-0/136703)

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**Author:** [@tdm](https://discourse.julialang.org/u/tdm)\
**Replies:** 2\
**Last updated:** [April 14, 2026, 1:01am UTC](https://discourse.julialang.org/t/julia-language-server-crashes-in-vscode-after-update-to-vscode-1-115-0/136703 "2026-04-14T01:01:38Z")

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I didn’t make any changes myself, this just happened after an auto update. JLS is trying to parse my code and crashes continuously. This is on Windows 10 Pro. I am running Julia 1.12.5+0.x64.w64.mingw32 Any suggestio…

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## [Zygote gradients around closures and objects with custom properties](https://discourse.julialang.org/t/zygote-gradients-around-closures-and-objects-with-custom-properties/136704)

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**Author:** [@goerz](https://discourse.julialang.org/u/goerz)\
**Replies:** 1\
**Last updated:** [April 13, 2026, 10:02pm UTC](https://discourse.julialang.org/t/zygote-gradients-around-closures-and-objects-with-custom-properties/136704 "2026-04-13T22:02:15Z")

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I have the following function: function make\_automatic\_xi(g\_b) function automatic\_xi(Ψ, trajectory, tlist, n) grad = Zygote.gradient(psi -\> g\_b(psi, trajectory, tlist, n), Ψ)\[1\] if isnothing(grad) …

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## [OffsetArrays, transpose, no\_offset\_view](https://discourse.julialang.org/t/offsetarrays-transpose-no-offset-view/136690)

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**Author:** [@ryofurue](https://discourse.julialang.org/u/ryofurue)\
**Replies:** 3\
**Last updated:** [April 13, 2026, 5:09pm UTC](https://discourse.julialang.org/t/offsetarrays-transpose-no-offset-view/136690 "2026-04-13T17:09:36Z")

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Why doesn’t no\_offset\_view remove offsets from a transposed OffsetArray ? Edit: After I posted my initial message, @adienes kindly pointed out that the offsets are removed: -1:2 → 1:4, 0:4 → 1:5 . My actual problem is…

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## [Vibe-coded modelingtoolkit code generation for PDEs](https://discourse.julialang.org/t/vibe-coded-modelingtoolkit-code-generation-for-pdes/136701)

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**Author:** [@ctessum](https://discourse.julialang.org/u/ctessum)\
**Replies:** 0\
**Last updated:** [April 13, 2026, 4:55pm UTC](https://discourse.julialang.org/t/vibe-coded-modelingtoolkit-code-generation-for-pdes/136701 "2026-04-13T16:55:53Z")

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The current released version of ModelingToolkit.jl + MethodOfLines.jl doesn’t really work when the number of variables x the number of grid points is more than ~1,000. In case it is of interest, I’ve created some vibe-c…

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## [New package for clustering - need for an arXiv endorser](https://discourse.julialang.org/t/new-package-for-clustering-need-for-an-arxiv-endorser/128983)

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**Author:** [@uwestoehr](https://discourse.julialang.org/u/uwestoehr)\
**Replies:** 3\
**Last updated:** [April 13, 2026, 2:30pm UTC](https://discourse.julialang.org/t/new-package-for-clustering-need-for-an-arxiv-endorser/128983 "2026-04-13T14:30:42Z")

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Hi I am Uwe, a MEMS engineer. During evaluation of some measurement data I had an idea for a clustering algorithm and started with Julia to be able to implement this algorithm as I had it in mind. That succeeded and the …

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## [Adding N to each box](https://discourse.julialang.org/t/adding-n-to-each-box/136688)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 8\
**Last updated:** [April 13, 2026, 1:21pm UTC](https://discourse.julialang.org/t/adding-n-to-each-box/136688 "2026-04-13T13:21:54Z")

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I’m trying to see the sample size in each boxplot using AoG. Looking for a robust solution that allows to easily see the number of elements in each box regardless of whether we use faceting, colors, dodge, e.g. Is this a…

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## [Ribbon opacity when plotting multiple line in Plots.jl](https://discourse.julialang.org/t/ribbon-opacity-when-plotting-multiple-line-in-plots-jl/136643)

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**Author:** [@silveedee](https://discourse.julialang.org/u/silveedee)\
**Replies:** 4\
**Last updated:** [April 13, 2026, 1:18pm UTC](https://discourse.julialang.org/t/ribbon-opacity-when-plotting-multiple-line-in-plots-jl/136643 "2026-04-13T13:18:34Z")

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I have some lines I’m plotting that I want to add error bars too. Here’s an approximation of my data, and my first attempt to plot these lines with error bars s = 1:10:101 r = 0.0:0.1:1 rand\_error=rand(5:10,(11,11)) …

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## [Compiling Julia code for a RISC-V ESP32 microcontroller](https://discourse.julialang.org/t/compiling-julia-code-for-a-risc-v-esp32-microcontroller/135108)

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**Author:** [@Alexander-Barth](https://discourse.julialang.org/u/Alexander-Barth)\
**Replies:** 10\
**Last updated:** [April 13, 2026, 12:00pm UTC](https://discourse.julialang.org/t/compiling-julia-code-for-a-risc-v-esp32-microcontroller/135108 "2026-04-13T12:00:14Z")

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I wanted to share some experiments I did to run Julia on a ESP32 C3 using GPUCompiler and LLVM: This microcontrollers use the open RISC-V instruction set. The ESP32 family of microcontrollers are quite popular because…

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## [\[ANN\] ReferenceRevision](https://discourse.julialang.org/t/ann-referencerevision/136691)

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**Author:** [@GunnarFarneback](https://discourse.julialang.org/u/GunnarFarneback)\
**Replies:** 2\
**Last updated:** [April 12, 2026, 9:40pm UTC](https://discourse.julialang.org/t/ann-referencerevision/136691 "2026-04-12T21:40:23Z")

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Summary ReferenceRevision is a Julia package which can automatically check out a copy of your code at a different revision and run it in a subprocess with seamless sharing of variables. Rationale Assume you are developi…

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## [Calling Julia from Python without severe startup](https://discourse.julialang.org/t/calling-julia-from-python-without-severe-startup/126949)

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**Author:** [@Peter\_Job](https://discourse.julialang.org/u/Peter_Job)\
**Replies:** 5\
**Last updated:** [April 12, 2026, 4:59pm UTC](https://discourse.julialang.org/t/calling-julia-from-python-without-severe-startup/126949 "2026-04-12T16:59:37Z")

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Hello! I’m writing this issue because when I googled around this issue, I found a few different solutions, and all of them have been either painful or slow. Hopefully a discoverable thread with the details of how we are…

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## [MTK Components: PDE boundary conditions?](https://discourse.julialang.org/t/mtk-components-pde-boundary-conditions/136689)

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**Author:** [@BLI](https://discourse.julialang.org/u/BLI)\
**Replies:** 0\
**Last updated:** [April 12, 2026, 2:29pm UTC](https://discourse.julialang.org/t/mtk-components-pde-boundary-conditions/136689 "2026-04-12T14:29:50Z")

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I have a distributed pipe model connected to a hydraulic port with “potential” p (pressure), and mass flow rate as Flow. So with two PDEs (one in pressure, one in mass flow rate) + some AEs, what is the correct way to c…

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## [\[ANN\] FastCUDASSIM.jl](https://discourse.julialang.org/t/ann-fastcudassim-jl/136382)

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**Author:** [@eldee](https://discourse.julialang.org/u/eldee)\
**Replies:** 2\
**Last updated:** [April 12, 2026, 12:59pm UTC](https://discourse.julialang.org/t/ann-fastcudassim-jl/136382 "2026-04-12T12:59:07Z")

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Hi everyone, I’m happy to announce my first package: FastCUDASSIM.jl. It does what it says on the tin: efficiently compute the Structural Similarity Index Measure (SSIM) via CUDA.jl. Additionally we also (optionally) ou…

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## [CSV.read with two delimiters](https://discourse.julialang.org/t/csv-read-with-two-delimiters/136685)

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**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 3\
**Last updated:** [April 11, 2026, 11:04pm UTC](https://discourse.julialang.org/t/csv-read-with-two-delimiters/136685 "2026-04-11T23:04:47Z")

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I have data where each row looks like this: 49, 127 97 136; CSV.read nicely imports it to a DataFrame like this: 49 127 97 136; But I don’t want the semicolon. Can this be imported in a better way? Thanks!

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## [KeemenaPreprocessing: text tokenization, normalization, and more](https://discourse.julialang.org/t/keemenapreprocessing-text-tokenization-normalization-and-more/131726)

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**Author:** [@mantzaris](https://discourse.julialang.org/u/mantzaris)\
**Replies:** 1\
**Last updated:** [April 11, 2026, 8:30pm UTC](https://discourse.julialang.org/t/keemenapreprocessing-text-tokenization-normalization-and-more/131726 "2026-04-11T20:30:54Z")

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Really happy and excited to present KeemenaPreprocessing, a package to preprocess text, with normalization, filtering, offsets for byte/char/word/sentence/paragraph and even document. It will even add alignments for the …

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## [Crash only in VSCode](https://discourse.julialang.org/t/crash-only-in-vscode/136673)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 6\
**Last updated:** [April 11, 2026, 1:32pm UTC](https://discourse.julialang.org/t/crash-only-in-vscode/136673 "2026-04-11T13:32:04Z")

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If I run the following code in a Julia (1.12.1) terminal, all fine: using Pkg cd(@\_\_DIR\_\_) Pkg.activate(;temp=true) Pkg.add("CondaPkg") # only once import CondaPkg # only once CondaPkg.add("ezodf") # only once…

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## [Missing package "Dependents" on JuliaHub?](https://discourse.julialang.org/t/missing-package-dependents-on-juliahub/136672)

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**Author:** [@matthias314](https://discourse.julialang.org/u/matthias314)\
**Replies:** 1\
**Last updated:** [April 11, 2026, 8:50am UTC](https://discourse.julialang.org/t/missing-package-dependents-on-juliahub/136672 "2026-04-11T08:50:44Z")

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My package StructEqualHash.jl appears among the “Dependencies” on the JuliaHub page for the package Spglib.jl. However, this package does not show up among the “Dependents” on the page for my package. How come? EDIT: I’…

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## [Julia v1.12.6 has been released](https://discourse.julialang.org/t/julia-v1-12-6-has-been-released/136678)

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**Author:** [@ararslan](https://discourse.julialang.org/u/ararslan)\
**Replies:** 0\
**Last updated:** [April 10, 2026, 8:50pm UTC](https://discourse.julialang.org/t/julia-v1-12-6-has-been-released/136678 "2026-04-10T20:50:56Z")

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Julia version 1.12.6, the sixth patch release in the 1.12 series of releases, is now available. Binaries are available via JuliaUp (recommended) and via manual download for macOS (Intel and M-series processors), Windows …

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## [\[ANN\] Native Julia engine for quarto using QuartoNotebookRunner.jl](https://discourse.julialang.org/t/ann-native-julia-engine-for-quarto-using-quartonotebookrunner-jl/112753)

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**Author:** [@jules](https://discourse.julialang.org/u/jules)\
**Replies:** 61\
**Last updated:** [April 10, 2026, 6:25pm UTC](https://discourse.julialang.org/t/ann-native-julia-engine-for-quarto-using-quartonotebookrunner-jl/112753 "2026-04-10T18:25:28Z")

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The dev team at PumasAI is excited to announce that, after months of work, the quarto project has accepted PR #8645 which adds a new, native Julia engine based on PumasAI’s QuartoNotebookRunner.jl package. The engine is…

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## [How to construct a type using Meta programming?](https://discourse.julialang.org/t/how-to-construct-a-type-using-meta-programming/136644)

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**Author:** [@Thomas008](https://discourse.julialang.org/u/Thomas008)\
**Replies:** 4\
**Last updated:** [April 10, 2026, 1:47pm UTC](https://discourse.julialang.org/t/how-to-construct-a-type-using-meta-programming/136644 "2026-04-10T13:47:36Z")

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I would like to contruct a type using meta programming. More specific,I need a tuple type like Tuple{Vector{String}, Vector{String}} . Constructing a value is quite easily possible, e.g. ex = Expr(:tuple) push!(ex.a…

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