# Latest

**URL:** https://discourse.julialang.org/latest.md?page=657

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

**Page:** 658

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## [Using real NCHW order when using cuDNN.jl](https://discourse.julialang.org/t/using-real-nchw-order-when-using-cudnn-jl/100842)

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**Author:** [@Jonas208](https://discourse.julialang.org/u/Jonas208)\
**Replies:** 4\
**Last updated:** [June 30, 2023, 9:39pm UTC](https://discourse.julialang.org/t/using-real-nchw-order-when-using-cudnn-jl/100842 "2023-06-30T21:39:31Z")

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I am trying to use cuDNN.jl for GPU accelerated convolution. I used the function cuDNN.cudnnConvolutionForward. The function has the keyword argument format that specifies the order of dimensions (format=cuDNN.CUDNN\_TEN…

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## [Will JuliaCon 2023 be transmitted online?](https://discourse.julialang.org/t/will-juliacon-2023-be-transmitted-online/101000)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 13\
**Last updated:** [June 30, 2023, 7:48pm UTC](https://discourse.julialang.org/t/will-juliacon-2023-be-transmitted-online/101000 "2023-06-30T19:48:21Z")

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Can we follow the event remotely as usual?

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## [Trouble using the @time module](https://discourse.julialang.org/t/trouble-using-the-time-module/100988)

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**Author:** [@KZ-Spectra](https://discourse.julialang.org/u/KZ-Spectra)\
**Replies:** 9\
**Last updated:** [June 30, 2023, 6:41pm UTC](https://discourse.julialang.org/t/trouble-using-the-time-module/100988 "2023-06-30T18:41:38Z")

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I want to use the @time begin ... end module, but am encountering the following error ERROR: LoadError: UndefVarError: @L\_str not defined This error occurs only, it seems, when I have defined my code to be within a m…

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## [Issues with JuliaCall, JuliaPkg versioning, and mysterious JuliaCall crashes](https://discourse.julialang.org/t/issues-with-juliacall-juliapkg-versioning-and-mysterious-juliacall-crashes/101030)

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**Author:** [@kydonian](https://discourse.julialang.org/u/kydonian)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 6:27pm UTC](https://discourse.julialang.org/t/issues-with-juliacall-juliapkg-versioning-and-mysterious-juliacall-crashes/101030 "2023-06-30T18:27:25Z")

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Hi @cjdoris , I’m having issues with several items around JuliaCall / JuliaPkg and hoping you might have some pointers. High level summary: Mysterious process terminations when using JuliaCall. Tried to resovle by try…

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## [Parallelization efficiency for @tensor @tullio](https://discourse.julialang.org/t/parallelization-efficiency-for-tensor-tullio/101021)

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**Author:** [@Nellatur](https://discourse.julialang.org/u/Nellatur)\
**Replies:** 5\
**Last updated:** [June 30, 2023, 6:02pm UTC](https://discourse.julialang.org/t/parallelization-efficiency-for-tensor-tullio/101021 "2023-06-30T18:02:32Z")

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For the input using TensorOperations using LinearAlgebra using BenchmarkTools using Tullio A = rand(1000, 1000) B = rand(1000, 1000) @btime @tensor C\[i,k\] := A\[i,j\]\*B\[j,k\] @btime @tullio C\[i,k\] := A\[i,j\]\*B\[j,k\] I us…

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## [\[ANN\] AnonymousEnums.jl](https://discourse.julialang.org/t/ann-anonymousenums-jl/100903)

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**Author:** [@RomainPct](https://discourse.julialang.org/u/RomainPct)\
**Replies:** 6\
**Last updated:** [June 30, 2023, 1:59pm UTC](https://discourse.julialang.org/t/ann-anonymousenums-jl/100903 "2023-06-30T13:59:40Z")

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Hi there, I’d like to introduce you to AnonymousEnums.jl, a package designed to simplify enum definitions. AnonymousEnums.jl offers a solution to the challenge of assigning unique names to each instance of an enum subt…

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## [Overview of ODE solvers for complex-valued ODE](https://discourse.julialang.org/t/overview-of-ode-solvers-for-complex-valued-ode/101017)

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**Author:** [@dnldlg](https://discourse.julialang.org/u/dnldlg)\
**Replies:** 1\
**Last updated:** [June 30, 2023, 6:01pm UTC](https://discourse.julialang.org/t/overview-of-ode-solvers-for-complex-valued-ode/101017 "2023-06-30T18:01:44Z")

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Is there an overview such as this page that lists all solver algorithms that are suitable for complex-valued ODEs?

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## [How to run OhMyREPL.jl with startup.jl?](https://discourse.julialang.org/t/how-to-run-ohmyrepl-jl-with-startup-jl/101002)

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**Author:** [@Hugo](https://discourse.julialang.org/u/Hugo)\
**Replies:** 4\
**Last updated:** [June 30, 2023, 5:54pm UTC](https://discourse.julialang.org/t/how-to-run-ohmyrepl-jl-with-startup-jl/101002 "2023-06-30T17:54:13Z")

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Hello, all I decided to add the following piece of code to my startup.jl file to have Revise.jl and OhMyREPL.jl run from the get-go as I open the application import Pkg let pkgs = \["Revise", "OhMyREPL"\] for pkg…

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## [Quarto and Julia – how to set the python version to use?](https://discourse.julialang.org/t/quarto-and-julia-how-to-set-the-python-version-to-use/92933)

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**Author:** [@kellertuer](https://discourse.julialang.org/u/kellertuer)\
**Replies:** 23\
**Last updated:** [June 30, 2023, 3:37pm UTC](https://discourse.julialang.org/t/quarto-and-julia-how-to-set-the-python-version-to-use/92933 "2023-06-30T15:37:45Z")

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I am not new to Julia, but I struggle every time I have to use Python, since I feel that I have so many versions of Python installed (Anaconda, Conda, Conda.jl), that I am not sure when which version is called. If I jus…

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## [Loess with missing values](https://discourse.julialang.org/t/loess-with-missing-values/90921)

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**Author:** [@mreichMPI-BGC](https://discourse.julialang.org/u/mreichMPI-BGC)\
**Replies:** 11\
**Last updated:** [June 30, 2023, 3:07pm UTC](https://discourse.julialang.org/t/loess-with-missing-values/90921 "2023-06-30T15:07:52Z")

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I want to use the Loess smoothing with missing values in y (and then fill those with the loess estimate). I hope I would be able to do it with pairwise from StatsBase, but did not manage. The code below works but feels …

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## [How to determine explicit derivative using variables with known derivatives](https://discourse.julialang.org/t/how-to-determine-explicit-derivative-using-variables-with-known-derivatives/101014)

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**Author:** [@Thomas\_Van\_Giel](https://discourse.julialang.org/u/Thomas_Van_Giel)\
**Replies:** 3\
**Last updated:** [June 30, 2023, 2:40pm UTC](https://discourse.julialang.org/t/how-to-determine-explicit-derivative-using-variables-with-known-derivatives/101014 "2023-06-30T14:40:53Z")

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I want to check some Lyapunov functions for a dynamical system. In order to do that, I have the variables in my system: n1(t) - n4(t), and m(t), which define a set of coupled ODEs. I declare a (wannabe) Lyapunov function…

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## [Plotting points on a plot with subplots](https://discourse.julialang.org/t/plotting-points-on-a-plot-with-subplots/100993)

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**Author:** [@maoc](https://discourse.julialang.org/u/maoc)\
**Replies:** 1\
**Last updated:** [June 30, 2023, 2:25pm UTC](https://discourse.julialang.org/t/plotting-points-on-a-plot-with-subplots/100993 "2023-06-30T14:25:50Z")

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I have a rather long time series. For example, T = mx100. I can break this long series into m subplots. For example: using Plots # number of supblots m=5 # Size of my time series T = m\*100 # Time t\_ = 1:T t\_ = reshap…

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## [Error/plotting inside a loop](https://discourse.julialang.org/t/error-plotting-inside-a-loop/101019)

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**Author:** [@Trandul](https://discourse.julialang.org/u/Trandul)\
**Replies:** 3\
**Last updated:** [June 30, 2023, 2:15pm UTC](https://discourse.julialang.org/t/error-plotting-inside-a-loop/101019 "2023-06-30T14:15:32Z")

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Greetings everyone, so I have the following simple code with a for loop in which I want to calculate the distance a car has travelled every 10 minutes. I would like to plot each “spot” it is calculated in the for loop an…

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## [Need help on Manopt](https://discourse.julialang.org/t/need-help-on-manopt/100867)

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**Author:** [@dgagnon](https://discourse.julialang.org/u/dgagnon)\
**Replies:** 13\
**Last updated:** [June 30, 2023, 12:08pm UTC](https://discourse.julialang.org/t/need-help-on-manopt/100867 "2023-06-30T12:08:27Z")

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Hello I must find a maximum likelihood estimator for a distribution I have designed. But, I can’t have an explicit expression for it. Looking at another thread: Maximum likelihood for t-distribution by gradient descent,…

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## [How to convert Vector{Any} to a narrower type?](https://discourse.julialang.org/t/how-to-convert-vector-any-to-a-narrower-type/60376)

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**Author:** [@greatpet](https://discourse.julialang.org/u/greatpet)\
**Replies:** 11\
**Last updated:** [June 30, 2023, 11:31am UTC](https://discourse.julialang.org/t/how-to-convert-vector-any-to-a-narrower-type/60376 "2023-06-30T11:31:05Z")

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Consider the following Julia code julia\> a = Any\[1, 2, 3.0\] 3-element Vector{Any}: 1 2 3.0 julia\> map(x-\>x, a) 3-element Vector{Real}: 1 2 3.0 Here I abused map to convert an array of Any to the narrowest type R…

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## [Iterating through an inner loop with @async](https://discourse.julialang.org/t/iterating-through-an-inner-loop-with-async/100954)

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**Author:** [@phantom](https://discourse.julialang.org/u/phantom)\
**Replies:** 8\
**Last updated:** [June 30, 2023, 11:01am UTC](https://discourse.julialang.org/t/iterating-through-an-inner-loop-with-async/100954 "2023-06-30T11:01:37Z")

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Suppose I have the following function stoptest where I am able to stop the function from outside the loop by setting a Ref() object = false. The return variable should equal to the value of the variable in the println w…

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## [Error happens when you try to execute command ENV\["R\_HOME"\]](https://discourse.julialang.org/t/error-happens-when-you-try-to-execute-command-env-r-home/100863)

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**Author:** [@Faraz564](https://discourse.julialang.org/u/Faraz564)\
**Replies:** 4\
**Last updated:** [June 30, 2023, 10:52am UTC](https://discourse.julialang.org/t/error-happens-when-you-try-to-execute-command-env-r-home/100863 "2023-06-30T10:52:01Z")

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Hi Everyone I am using Julia in R Studio. I have encountered the problem of with installing julia.setup(Install=True). This synatax creat error. Please see them below in picture. I would appreciate your suggestion.

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## [Julia 1.9.2 testing period](https://discourse.julialang.org/t/julia-1-9-2-testing-period/101012)

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**Author:** [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 10:42am UTC](https://discourse.julialang.org/t/julia-1-9-2-testing-period/101012 "2023-06-30T10:42:43Z")

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The release-1.9 branch on the Julia repository now contains the set of commits we’re planning to tag as v1.9.2, the second patch release in the 1.9 series. The list of commits included since v1.9.1 is available here . As…

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## [BinaryBuilder: ERROR: LoadError: Cannot continue with unsatisfied build products!](https://discourse.julialang.org/t/binarybuilder-error-loaderror-cannot-continue-with-unsatisfied-build-products/100992)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 14\
**Last updated:** [June 30, 2023, 10:35am UTC](https://discourse.julialang.org/t/binarybuilder-error-loaderror-cannot-continue-with-unsatisfied-build-products/100992 "2023-06-30T10:35:59Z")

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I’m trying to build some binaries for several platforms using BinaryBuilder. The wizard runs nicely, and I get no errors. Yet, when I finish the wizard, the binaries are not save anywhere, it seems. The build\_tarballs.j…

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## [Web scraping of GCN NASA circulars TEXT](https://discourse.julialang.org/t/web-scraping-of-gcn-nasa-circulars-text/100809)

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**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 16\
**Last updated:** [June 30, 2023, 10:02am UTC](https://discourse.julialang.org/t/web-scraping-of-gcn-nasa-circulars-text/100809 "2023-06-30T10:02:33Z")

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I want to scrap GCN - Circulars for optical events. For example i want to get following information this web page :blush: and similarly for other web pages containing optical events and store in ccv or excel form…

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## [Inconsistency between @async warning and its usage in documentation](https://discourse.julialang.org/t/inconsistency-between-async-warning-and-its-usage-in-documentation/100978)

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**Author:** [@algunion](https://discourse.julialang.org/u/algunion)\
**Replies:** 2\
**Last updated:** [June 30, 2023, 9:37am UTC](https://discourse.julialang.org/t/inconsistency-between-async-warning-and-its-usage-in-documentation/100978 "2023-06-30T09:37:29Z")

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Recently I was answering an @async related question, and I remembered a documentation warning against @async usage. After checking that out, it was still there: It is strongly encouraged to favor Threads.@spawn over @a…

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## [Makie: update slider visual position from different observable trigger (i.e., reset sliders)](https://discourse.julialang.org/t/makie-update-slider-visual-position-from-different-observable-trigger-i-e-reset-sliders/100982)

<div class="topic-metadata">

**Author:** [@Datseris](https://discourse.julialang.org/u/Datseris)\
**Replies:** 3\
**Last updated:** [June 30, 2023, 8:54am UTC](https://discourse.julialang.org/t/makie-update-slider-visual-position-from-different-observable-trigger-i-e-reset-sliders/100982 "2023-06-30T08:54:15Z")

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I am making some Makie sliders using the standard API of the SliderGrid. Below the sliders I want to add a button reset, which once clicked will reset all sliders to their original value. I do have the original values s…

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## [Assign a value for one dimension of multi-dimensional array](https://discourse.julialang.org/t/assign-a-value-for-one-dimension-of-multi-dimensional-array/100998)

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**Author:** [@Zerosum](https://discourse.julialang.org/u/Zerosum)\
**Replies:** 4\
**Last updated:** [June 30, 2023, 8:22am UTC](https://discourse.julialang.org/t/assign-a-value-for-one-dimension-of-multi-dimensional-array/100998 "2023-06-30T08:22:21Z")

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Hi, I’m a bit lost with the following simple exercise. I was wondering what would be the most efficient way to achieve this. Suppose I have zeros(5,3,2), which returns the following. 5×3×2 Array{Float64, 3}: \[:, :, 1\] …

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## [Scatter/gather operation with Metal](https://discourse.julialang.org/t/scatter-gather-operation-with-metal/100971)

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**Author:** [@matthieu](https://discourse.julialang.org/u/matthieu)\
**Replies:** 1\
**Last updated:** [June 30, 2023, 6:10am UTC](https://discourse.julialang.org/t/scatter-gather-operation-with-metal/100971 "2023-06-30T06:10:24Z")

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Hey everyone. I would like to convert the following scatter/gather operation from the CPU to the GPU, using Metal.jl. function gather!(y::AbstractVector, refs::AbstractVector, x::AbstractVector) for i in eachindex(y…

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## [Vectorize function for two same size CuArray](https://discourse.julialang.org/t/vectorize-function-for-two-same-size-cuarray/100983)

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**Author:** [@kuanchiun](https://discourse.julialang.org/u/kuanchiun)\
**Replies:** 2\
**Last updated:** [June 30, 2023, 6:06am UTC](https://discourse.julialang.org/t/vectorize-function-for-two-same-size-cuarray/100983 "2023-06-30T06:06:36Z")

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Hello! I’m rookie for Julia programming language. I’m trying to create the loss function, which calculate cosine similarity for each row pair in x, x̂. The simply code is in below. using Flux, CUDA, LinearAlgebra CUDA…

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## [The scale-change of "cgrad" is invalidated when colorschemes are jointed](https://discourse.julialang.org/t/the-scale-change-of-cgrad-is-invalidated-when-colorschemes-are-jointed/100966)

<div class="topic-metadata">

**Author:** [@Fluorite-Erbite](https://discourse.julialang.org/u/Fluorite-Erbite)\
**Replies:** 2\
**Last updated:** [June 30, 2023, 4:33am UTC](https://discourse.julialang.org/t/the-scale-change-of-cgrad-is-invalidated-when-colorschemes-are-jointed/100966 "2023-06-30T04:33:09Z")

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Julia 1.9.0 downloaded from the official (Sorry for my poor English) I want to join 2 colorschemes, before which each scale is change (:log). Example, cs1 = reverse( cgrad( palette( \[:red, :orange, :yellow, :lawngree…

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## [Genie with NPM packages](https://discourse.julialang.org/t/genie-with-npm-packages/101006)

<div class="topic-metadata">

**Author:** [@jondavis847](https://discourse.julialang.org/u/jondavis847)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 2:42am UTC](https://discourse.julialang.org/t/genie-with-npm-packages/101006 "2023-06-30T02:42:41Z")

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Hello, If I’m making a webapp with Genie.jl and want to include for example chart.js or three.js,etc., how do I go about doing that? Normally I would install these locally via NPM, but I’m not sure how this fits in the …

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## [How can I force Pluto's "display" command to make better use of available screen real estate?](https://discourse.julialang.org/t/how-can-i-force-plutos-display-command-to-make-better-use-of-available-screen-real-estate/100963)

<div class="topic-metadata">

**Author:** [@adannenberg](https://discourse.julialang.org/u/adannenberg)\
**Replies:** 5\
**Last updated:** [June 30, 2023, 12:47am UTC](https://discourse.julialang.org/t/how-can-i-force-plutos-display-command-to-make-better-use-of-available-screen-real-estate/100963 "2023-06-30T00:47:40Z")

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How can I direct the the terminal stream using the display command in such a way that the available width is utilized? I’ve made the Julia cells in my browser wide by using html"""\<style\> main { max-width: 1500px…

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## [Differences between extending \`Base.show\` and \`Base.showerror\` for a custom exception type in Julia?](https://discourse.julialang.org/t/differences-between-extending-base-show-and-base-showerror-for-a-custom-exception-type-in-julia/101003)

<div class="topic-metadata">

**Author:** [@singularitti](https://discourse.julialang.org/u/singularitti)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 11:14pm UTC](https://discourse.julialang.org/t/differences-between-extending-base-show-and-base-showerror-for-a-custom-exception-type-in-julia/101003 "2023-06-29T23:14:08Z")

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I’m working on a Julia project where I have defined a custom exception type like this: struct XXXError \<: Exception e::String end Now, I want to customize how instances of this exception type are displayed. I under…

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## [Author meet & greet at JuliaCon 2023](https://discourse.julialang.org/t/author-meet-greet-at-juliacon-2023/100999)

<div class="topic-metadata">

**Author:** [@avik](https://discourse.julialang.org/u/avik)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 9:56pm UTC](https://discourse.julialang.org/t/author-meet-greet-at-juliacon-2023/100999 "2023-06-29T21:56:42Z")

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Since we are back as a physical conference this year for JuliaCon, I thought it would be nice if we can leverage that for some additional in-person interaction – beyond our regular schedule – and celebrate the huge range…

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