# Latest

**URL:** https://discourse.julialang.org/latest.md?page=205

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

**Page:** 206

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## [Julia Interns](https://discourse.julialang.org/t/julia-interns/123997)

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**Author:** [@Vsistla](https://discourse.julialang.org/u/Vsistla)\
**Replies:** 1\
**Last updated:** [March 11, 2025, 1:51am UTC](https://discourse.julialang.org/t/julia-interns/123997 "2025-03-11T01:51:56Z")

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Proficiency in Julia programming language is required, with hands-on experience in developing and optimizing Julia-based applications. We are looking for a talented and motivated Julia Development Intern with a strong b…

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## [Unable to install MultilayerGraphs package with Julia 1.11.3 (win 11 x64) after clearing .julia/registries folder](https://discourse.julialang.org/t/unable-to-install-multilayergraphs-package-with-julia-1-11-3-win-11-x64-after-clearing-julia-registries-folder/126770)

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**Author:** [@rogms222](https://discourse.julialang.org/u/rogms222)\
**Replies:** 1\
**Last updated:** [March 11, 2025, 1:24am UTC](https://discourse.julialang.org/t/unable-to-install-multilayergraphs-package-with-julia-1-11-3-win-11-x64-after-clearing-julia-registries-folder/126770 "2025-03-11T01:24:47Z")

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(@v1.11) pkg\> add MultilayerGraphs Installing known registries into C:\\Users\\roger\\.julia Added General registry to C:\\Users\\roger.julia\\registries Resolving package versions… ERROR: Unsatisfiable requirements detect…

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## [Basic Bonito app fails to be served](https://discourse.julialang.org/t/basic-bonito-app-fails-to-be-served/122483)

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**Author:** [@cstjean](https://discourse.julialang.org/u/cstjean)\
**Replies:** 7\
**Last updated:** [March 11, 2025, 12:58am UTC](https://discourse.julialang.org/t/basic-bonito-app-fails-to-be-served/122483 "2025-03-11T00:58:46Z")

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I’m trying to get a very simple Bonito (v4.0.0) app running, and I must be doing something horribly wrong because it’s not working well. Starting from Deployment · Bonito (simondanisch.github.io) using Bonito, Bonito.Ob…

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## [Globally Available Environments and State of Package Compilation](https://discourse.julialang.org/t/globally-available-environments-and-state-of-package-compilation/126732)

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**Author:** [@Maddy](https://discourse.julialang.org/u/Maddy)\
**Replies:** 8\
**Last updated:** [March 11, 2025, 12:47am UTC](https://discourse.julialang.org/t/globally-available-environments-and-state-of-package-compilation/126732 "2025-03-11T00:47:13Z")

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1. Environments in Julia I recently started using Conda environments for Python in my Class and realized how simple and efficient it is to use them. Unlike how I do things in Julia - for each new project, I just create …

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## [Julia v1.11.4 and v1.10.9 have been released](https://discourse.julialang.org/t/julia-v1-11-4-and-v1-10-9-have-been-released/126797)

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**Author:** [@ararslan](https://discourse.julialang.org/u/ararslan)\
**Replies:** 0\
**Last updated:** [March 11, 2025, 12:21am UTC](https://discourse.julialang.org/t/julia-v1-11-4-and-v1-10-9-have-been-released/126797 "2025-03-11T00:21:10Z")

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Two new Julia versions are now available: v1.11.4 (stable) and v1.10.9 (long-term support). Binaries are available via JuliaUp and at https://julialang.org/downloads/ for macOS (Intel and M-series processors), Windows (x…

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## [Issue with AlgebraOfGraphics.jl: MethodError when using data(df)](https://discourse.julialang.org/t/issue-with-algebraofgraphics-jl-methoderror-when-using-data-df/126795)

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**Author:** [@Margot\_Geisbauer](https://discourse.julialang.org/u/Margot_Geisbauer)\
**Replies:** 1\
**Last updated:** [March 10, 2025, 11:45pm UTC](https://discourse.julialang.org/t/issue-with-algebraofgraphics-jl-methoderror-when-using-data-df/126795 "2025-03-10T23:45:55Z")

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I’m trying to plot timing data using AlgebraOfGraphics.jl and CairoMakie.jl. My data consists of timestamps (in seconds) and hit types (early, perfect, late). The hit types are mapped to numeric values: "early" → -1.0 "…

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## [Can you please review my code](https://discourse.julialang.org/t/can-you-please-review-my-code/126694)

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**Author:** [@Gesee](https://discourse.julialang.org/u/Gesee)\
**Replies:** 8\
**Last updated:** [March 10, 2025, 9:48pm UTC](https://discourse.julialang.org/t/can-you-please-review-my-code/126694 "2025-03-10T21:48:12Z")

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Hi everyone, I’m actually a 17 years old young Cameroonian and I started Julia just one year ago, I worked on a package named Notifyers.jl and I now I need some people to check the quality of my code. Here is the link t…

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## [Improve removing members of one array from another](https://discourse.julialang.org/t/improve-removing-members-of-one-array-from-another/125922)

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**Author:** [@jzakiya](https://discourse.julialang.org/u/jzakiya)\
**Replies:** 10\
**Last updated:** [March 10, 2025, 9:35pm UTC](https://discourse.julialang.org/t/improve-removing-members-of-one-array-from-another/125922 "2025-03-10T21:35:51Z")

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The following Julua code is much slower than Ruby and Python because of the slow way it removes the members of one array from another. function prime\_pairs\_lohi(n) if (n&1 == 1 || n \< 4) return println("Input not even…

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## [Error loading StochasticDiffEq and DifferentialEquations in 1.10.8 (Apple Silicon)](https://discourse.julialang.org/t/error-loading-stochasticdiffeq-and-differentialequations-in-1-10-8-apple-silicon/126740)

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**Author:** [@cbilllingham1983](https://discourse.julialang.org/u/cbilllingham1983)\
**Replies:** 8\
**Last updated:** [March 10, 2025, 9:11pm UTC](https://discourse.julialang.org/t/error-loading-stochasticdiffeq-and-differentialequations-in-1-10-8-apple-silicon/126740 "2025-03-10T21:11:07Z")

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Hi all, I’m using Julia 1.10.8 on my MacBook running Apple Silicon hardware. I am seeing some errors loading the packages StochasticDiffEq (v6.69.1) and DifferentialEquations (v7.16.0). Anyone had any issues with the…

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## [How to use LaTeX Computer Modern font for all text in all plots?](https://discourse.julialang.org/t/how-to-use-latex-computer-modern-font-for-all-text-in-all-plots/126791)

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**Author:** [@homocomputeris](https://discourse.julialang.org/u/homocomputeris)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 8:17pm UTC](https://discourse.julialang.org/t/how-to-use-latex-computer-modern-font-for-all-text-in-all-plots/126791 "2025-03-10T20:17:46Z")

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How can I set up Plots.jl to use Computer modern for all labels in all plots (on macos)? With the config using LaTeXStrings using Plots gr() DPI = 150 default( size=(70 \* sqrt(2) \* DPI / 25.4, 70 \* DPI / 25.4), …

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## [PyCall numpy vdot Vector{Float32} returns Float64](https://discourse.julialang.org/t/pycall-numpy-vdot-vector-float32-returns-float64/126768)

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**Author:** [@osimonn](https://discourse.julialang.org/u/osimonn)\
**Replies:** 3\
**Last updated:** [March 10, 2025, 7:58pm UTC](https://discourse.julialang.org/t/pycall-numpy-vdot-vector-float32-returns-float64/126768 "2025-03-10T19:58:31Z")

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I have been comparing numpy using PyCall with Julia recently and observed a strange behavior. When I call numpy from Julia and do a dot product of two Vector{Float32} vectors, the result is Float64. However, when I run …

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## [Type instability in nested quadgk calls](https://discourse.julialang.org/t/type-instability-in-nested-quadgk-calls/126667)

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**Author:** [@mbasquens](https://discourse.julialang.org/u/mbasquens)\
**Replies:** 26\
**Last updated:** [March 10, 2025, 6:44pm UTC](https://discourse.julialang.org/t/type-instability-in-nested-quadgk-calls/126667 "2025-03-10T18:44:52Z")

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Hi! I am having trouble with the type stability of quadgk when the integrand function is using quadgk itself. Here is the MWE: using QuadGK f(x) = quadgk(y -\> x\*y, 0., 1.)\[1\] quadgk(f, 0., 1.) Using code\_warntype on t…

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## [How to linearize an MTK model with internal calls to a nonlinear solver](https://discourse.julialang.org/t/how-to-linearize-an-mtk-model-with-internal-calls-to-a-nonlinear-solver/126766)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 3\
**Last updated:** [March 10, 2025, 6:08pm UTC](https://discourse.julialang.org/t/how-to-linearize-an-mtk-model-with-internal-calls-to-a-nonlinear-solver/126766 "2025-03-10T18:08:28Z")

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If I have an MTK model that contains one registered, numeric function, and this numeric function itself uses a nonlinear solver to find a solution… Can I still linearize the MTK model in the normal way?

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## [Forward Diff Trying to Cast Dual Type to Float64](https://discourse.julialang.org/t/forward-diff-trying-to-cast-dual-type-to-float64/126691)

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**Author:** [@Bocconocini](https://discourse.julialang.org/u/Bocconocini)\
**Replies:** 6\
**Last updated:** [March 10, 2025, 5:59pm UTC](https://discourse.julialang.org/t/forward-diff-trying-to-cast-dual-type-to-float64/126691 "2025-03-10T17:59:25Z")

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Hello, I’m new to JuMP and trying to implement a yaw-plane vehicle model. The inputs to the function are arrays of the steering and throttle inputs (for every discrete time step). The model runs fine on its own, but add…

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## [GUI developer for simulation tools at the NSF Center for Quantum Networks](https://discourse.julialang.org/t/gui-developer-for-simulation-tools-at-the-nsf-center-for-quantum-networks/126782)

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**Author:** [@Krastanov](https://discourse.julialang.org/u/Krastanov)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 5:57pm UTC](https://discourse.julialang.org/t/gui-developer-for-simulation-tools-at-the-nsf-center-for-quantum-networks/126782 "2025-03-10T17:57:50Z")

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The NSF Center for Quantum Networks (CQN) is looking to hire a GUI developer to work on a graphical frontend for our simulation tools. The contract is expected to be up to half a year, and up to 60k$, depending on scope,…

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## [Getting Franklin.jl to display plots with Literate.jl](https://discourse.julialang.org/t/getting-franklin-jl-to-display-plots-with-literate-jl/62025)

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**Author:** [@mattgiamou](https://discourse.julialang.org/u/mattgiamou)\
**Replies:** 4\
**Last updated:** [March 10, 2025, 5:06pm UTC](https://discourse.julialang.org/t/getting-franklin-jl-to-display-plots-with-literate-jl/62025 "2025-03-10T17:06:55Z")

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I’m following these instructions on getting Franklin.jl to deploy Julia notebooks with Literate.jl with GitHub pages. I’m using the following minimal example from the Literate.jl documentation: # Testing plot display: x…

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## [\[ANN\] AlignedAllocs.jl - lightweight cross-platform allocation of aligned memory](https://discourse.julialang.org/t/ann-alignedallocs-jl-lightweight-cross-platform-allocation-of-aligned-memory/126772)

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**Author:** [@JeffreySarnoff](https://discourse.julialang.org/u/JeffreySarnoff)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 3:39pm UTC](https://discourse.julialang.org/t/ann-alignedallocs-jl-lightweight-cross-platform-allocation-of-aligned-memory/126772 "2025-03-10T15:39:18Z")

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This is a very lightweight cross-platform package that exports two functions, each is an aligned memory allocator. memalign(item\_type, item\_count \[, byte\_alignment\]) providing uninitialized memory memalign\_clear(i…

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## [SXSW2025 Panel](https://discourse.julialang.org/t/sxsw2025-panel/118288)

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**Author:** [@marcobonici](https://discourse.julialang.org/u/marcobonici)\
**Replies:** 4\
**Last updated:** [March 10, 2025, 3:49pm UTC](https://discourse.julialang.org/t/sxsw2025-panel/118288 "2025-03-10T15:49:28Z")

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Together with some colleagues, we proposed a panel at SXSW2025! We are gonna talk about Dark Matter, Dark Energy, the ESA Euclid mission, AI, and how we connect these topics together in our research! In particular, I wil…

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## [How can I calculate the volume of a mesh?](https://discourse.julialang.org/t/how-can-i-calculate-the-volume-of-a-mesh/81450)

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**Author:** [@thenry](https://discourse.julialang.org/u/thenry)\
**Replies:** 14\
**Last updated:** [March 10, 2025, 3:47pm UTC](https://discourse.julialang.org/t/how-can-i-calculate-the-volume-of-a-mesh/81450 "2025-03-10T15:47:50Z")

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How can I calculate the volume of a mesh? The mesh is a closed triangles mesh, with 3-D coordinates; it is a surface mesh. I have tried the following, but I am getting an error: using GLMakie using FileIO using Mesh…

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## [Draw circuit schematic in pure Julia](https://discourse.julialang.org/t/draw-circuit-schematic-in-pure-julia/126592)

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**Author:** [@albertomercurio](https://discourse.julialang.org/u/albertomercurio)\
**Replies:** 6\
**Last updated:** [March 10, 2025, 3:16pm UTC](https://discourse.julialang.org/t/draw-circuit-schematic-in-pure-julia/126592 "2025-03-10T15:16:36Z")

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Hello, I need to draw some circuit schematic like the following And then embedding this schematic in my plots made with Makie.jl The current approaches I have investigated so far are circuitkz and schemdraw. The fi…

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## [Postdoctoral researcher position with Julia component at Paul-Scherrer Institute, Switzerland](https://discourse.julialang.org/t/postdoctoral-researcher-position-with-julia-component-at-paul-scherrer-institute-switzerland/126762)

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**Author:** [@mfh](https://discourse.julialang.org/u/mfh)\
**Replies:** 0\
**Last updated:** [March 10, 2025, 1:57pm UTC](https://discourse.julialang.org/t/postdoctoral-researcher-position-with-julia-component-at-paul-scherrer-institute-switzerland/126762 "2025-03-10T13:57:12Z")

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The Paul-Scherrer Institute in Villigen, Switzerland has an open PostDoc position to work on mixed-precision methods for electronic-structure simulation. The development will partially take place using the density-functi…

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## [Is there a way I can use track-allocation using like using @btime in jupyter lab?](https://discourse.julialang.org/t/is-there-a-way-i-can-use-track-allocation-using-like-using-btime-in-jupyter-lab/77874)

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**Author:** [@Brian1](https://discourse.julialang.org/u/Brian1)\
**Replies:** 1\
**Last updated:** [March 10, 2025, 1:20pm UTC](https://discourse.julialang.org/t/is-there-a-way-i-can-use-track-allocation-using-like-using-btime-in-jupyter-lab/77874 "2025-03-10T13:20:58Z")

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Using start julia with track-allocation=user each time is not convenient. So I am wondering is there a way I can get more specifical infomation of allocations in jupyter.

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## [\[ANN\] ControlPlots - an easy to use plotting package for control and other engineers](https://discourse.julialang.org/t/ann-controlplots-an-easy-to-use-plotting-package-for-control-and-other-engineers/126721)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 6\
**Last updated:** [March 10, 2025, 1:08pm UTC](https://discourse.julialang.org/t/ann-controlplots-an-easy-to-use-plotting-package-for-control-and-other-engineers/126721 "2025-03-10T13:08:43Z")

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We are proud to announce ControlPlots 0.2.7, the first release that has all features we consider as essential for our research. Main design goals: high quality plots, many plot windows can be open at the same time mul…

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## [Controlling @threads (or similar) parallelism level](https://discourse.julialang.org/t/controlling-threads-or-similar-parallelism-level/126754)

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**Author:** [@evanfields](https://discourse.julialang.org/u/evanfields)\
**Replies:** 4\
**Last updated:** [March 10, 2025, 12:45pm UTC](https://discourse.julialang.org/t/controlling-threads-or-similar-parallelism-level/126754 "2025-03-10T12:45:12Z")

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I have a function which is, abstracting, Threads.@threads for i in 1:length(chunk) memory\_intensive\_computation(chunk\[i\]) end I don’t know a priori how memory intensive the computation will be, though I can assume …

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## [How to plot two surfaces by Makie.jl](https://discourse.julialang.org/t/how-to-plot-two-surfaces-by-makie-jl/126750)

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**Author:** [@Lee123](https://discourse.julialang.org/u/Lee123)\
**Replies:** 2\
**Last updated:** [March 10, 2025, 10:52am UTC](https://discourse.julialang.org/t/how-to-plot-two-surfaces-by-makie-jl/126750 "2025-03-10T10:52:02Z")

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I want to plot two surfaces in one figure, for example using CairoMakie x = range(-pi, pi, 128) y = x' z1 = broadcast((x,y)-\>cos(x)+cos(y), x,y) z2 = -1.0.\*z1 f,\_,\_ = surface(x,x,z1; axis=(type=Axis3,),colormap=:jet) s…

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## [Google Colab support for Julia 🎉](https://discourse.julialang.org/t/google-colab-support-for-julia/126598)

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**Author:** [@MilesCranmer](https://discourse.julialang.org/u/MilesCranmer)\
**Replies:** 2\
**Last updated:** [March 10, 2025, 10:49am UTC](https://discourse.julialang.org/t/google-colab-support-for-julia/126598 "2025-03-10T10:49:15Z")

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Edit: @Metrizable himself started a thread here: Julia in Colab :slight\_smile: Just saw this amazing news. Google Colab now supports Julia out-of-the-box!!

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## [Sundials KLU issue with Jacobian prototype](https://discourse.julialang.org/t/sundials-klu-issue-with-jacobian-prototype/126655)

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**Author:** [@flothostre](https://discourse.julialang.org/u/flothostre)\
**Replies:** 2\
**Last updated:** [March 10, 2025, 8:25am UTC](https://discourse.julialang.org/t/sundials-klu-issue-with-jacobian-prototype/126655 "2025-03-10T08:25:41Z")

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Hi everyone, I am currently encountering issues when solving large (2814 states) stiff DAE problems (energy system time domain simulations) in Sundials IDA with the KLU linear solver (to exploit the inherent sparsity of…

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## [Best practice of deleting branches on Github](https://discourse.julialang.org/t/best-practice-of-deleting-branches-on-github/126712)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 17\
**Last updated:** [March 10, 2025, 6:53am UTC](https://discourse.julialang.org/t/best-practice-of-deleting-branches-on-github/126712 "2025-03-10T06:53:21Z")

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We are currently actively developing a package and create a few new branches (pull requests) per day. When would you delete these branches? Immediately after merging the pull request, or rather later? And how can I del…

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## [Go is everything I wanted C to be](https://discourse.julialang.org/t/go-is-everything-i-wanted-c-to-be/126505)

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**Author:** [@NonDairyNeutrino](https://discourse.julialang.org/u/NonDairyNeutrino)\
**Replies:** 1\
**Last updated:** [March 10, 2025, 3:50am UTC](https://discourse.julialang.org/t/go-is-everything-i-wanted-c-to-be/126505 "2025-03-10T03:50:18Z")

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I’ve used C a little and mostly for scientific computing, but I’ve recently learned about some of the details of the Go programming language. It just…is everything I didn’t know I wanted from C (especially for strings).…

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## [DiffEqSensitivity fails to load in 1.10.8 on Apple Silicon](https://discourse.julialang.org/t/diffeqsensitivity-fails-to-load-in-1-10-8-on-apple-silicon/126724)

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**Author:** [@cbilllingham1983](https://discourse.julialang.org/u/cbilllingham1983)\
**Replies:** 2\
**Last updated:** [March 10, 2025, 1:27am UTC](https://discourse.julialang.org/t/diffeqsensitivity-fails-to-load-in-1-10-8-on-apple-silicon/126724 "2025-03-10T01:27:58Z")

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Hi I’m trying to run a script in Julia 1.10.8 on a MacBook running Apple Silicon hardware. I’ve run this script successfully in Julia 1.6.7 on Ubuntu 24.04 with x86 64 bit hardware. I have been unable to get Julia 1.10.8…

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