# Latest

**URL:** https://discourse.julialang.org/latest.md?page=105

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

**Page:** 106

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## [\[ANN\] New Package: PlutoBook.jl](https://discourse.julialang.org/t/ann-new-package-plutobook-jl/132641)

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**Author:** [@avik](https://discourse.julialang.org/u/avik)\
**Replies:** 12\
**Last updated:** [September 25, 2025, 11:56pm UTC](https://discourse.julialang.org/t/ann-new-package-plutobook-jl/132641 "2025-09-25T23:56:28Z")

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I’ve had a long (and possibly excessive) interest in how to generate PDF files programmatically. There aren’t too many options in this space – paged rendering is a pretty hard thing to do well. The state of the art metho…

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## [Reactant.jl compile times and memory usage](https://discourse.julialang.org/t/reactant-jl-compile-times-and-memory-usage/132655)

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**Author:** [@f.ij](https://discourse.julialang.org/u/f.ij)\
**Replies:** 9\
**Last updated:** [September 25, 2025, 9:39pm UTC](https://discourse.julialang.org/t/reactant-jl-compile-times-and-memory-usage/132655 "2025-09-25T21:39:41Z")

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I’m trying to do some ML experiments using Lux and Reactant. Without posting all of the code, I was wondering if I’m using Reactant properly, because I’m getting compile times of around 3 minutes, and gigabytes of memory…

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## [Changing the name of package during the registration waiting period?](https://discourse.julialang.org/t/changing-the-name-of-package-during-the-registration-waiting-period/132660)

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**Author:** [@myersm0](https://discourse.julialang.org/u/myersm0)\
**Replies:** 3\
**Last updated:** [September 25, 2025, 7:01pm UTC](https://discourse.julialang.org/t/changing-the-name-of-package-during-the-registration-waiting-period/132660 "2025-09-25T19:01:04Z")

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I found this helpful topic about changing the name of a package, but I have an additional question regarding the special case of changing a package name during the registration process. Here are the steps that have occu…

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## [Allocation Behavior Depending on Code Size](https://discourse.julialang.org/t/allocation-behavior-depending-on-code-size/132576)

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**Author:** [@mraic1](https://discourse.julialang.org/u/mraic1)\
**Replies:** 16\
**Last updated:** [September 25, 2025, 3:36pm UTC](https://discourse.julialang.org/t/allocation-behavior-depending-on-code-size/132576 "2025-09-25T15:36:24Z")

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Dear all, I am experimenting a bit on stream processing. To cope with this, Julia has a beautifully designed system of channels and tasks. However, the latter appear rather slow, even very slow when the channels are not…

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## [GLMakie via Remote Desktop on Windows 11](https://discourse.julialang.org/t/glmakie-via-remote-desktop-on-windows-11/132658)

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**Author:** [@dami](https://discourse.julialang.org/u/dami)\
**Replies:** 0\
**Last updated:** [September 25, 2025, 3:20pm UTC](https://discourse.julialang.org/t/glmakie-via-remote-desktop-on-windows-11/132658 "2025-09-25T15:20:55Z")

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I’m running into an issue with GLMakie on Windows 11 when accessing via Remote Desktop. Here’s the situation: On a Win10 machine, when I connect via RDP, I have no problems: I can run my code and GLMakie rendering is …

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## [\[ANN\] OnlineResamplers.jl - High-Performance Real-Time Financial Data Resampling](https://discourse.julialang.org/t/ann-onlineresamplers-jl-high-performance-real-time-financial-data-resampling/132653)

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**Author:** [@FemtoTrader](https://discourse.julialang.org/u/FemtoTrader)\
**Replies:** 1\
**Last updated:** [September 25, 2025, 1:57pm UTC](https://discourse.julialang.org/t/ann-onlineresamplers-jl-high-performance-real-time-financial-data-resampling/132653 "2025-09-25T13:57:10Z")

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Hi, I’m excited to announce OnlineResamplers.jl, a high-performance Julia package for real-time resampling of financial market data! :chart\_increasing: What is OnlineResamplers.jl? OnlineResamplers.jl provides efficien…

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## [Fitting multiple datasets simultaneously](https://discourse.julialang.org/t/fitting-multiple-datasets-simultaneously/132176)

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**Author:** [@soniamitchell](https://discourse.julialang.org/u/soniamitchell)\
**Replies:** 9\
**Last updated:** [September 25, 2025, 1:10pm UTC](https://discourse.julialang.org/t/fitting-multiple-datasets-simultaneously/132176 "2025-09-25T13:10:28Z")

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I want to fit a model to multiple datasets simultaneously, with some fitted parameters being shared across datasets. Is it possible to do this using Turing.jl?

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## [Looking for a "Julia" job—any advice?](https://discourse.julialang.org/t/looking-for-a-julia-job-any-advice/132491)

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**Author:** [@dopamine](https://discourse.julialang.org/u/dopamine)\
**Replies:** 8\
**Last updated:** [December 12, 2025, 7:22am UTC](https://discourse.julialang.org/t/looking-for-a-julia-job-any-advice/132491 "2025-12-12T07:22:43Z")

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I’m currently looking for a new opportunity primarily in London/UK. I enjoy writing code in Julia to solve challenging problems. However, I’m not finding any “Julia” job in the region or nearby. Does anyone have an advi…

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## [Any workaround to a bug in Base.cp?](https://discourse.julialang.org/t/any-workaround-to-a-bug-in-base-cp/59698)

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**Author:** [@asyrov](https://discourse.julialang.org/u/asyrov)\
**Replies:** 2\
**Last updated:** [April 20, 2021, 9:43pm UTC](https://discourse.julialang.org/t/any-workaround-to-a-bug-in-base-cp/59698 "2021-04-20T21:43:38Z")

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I’m trying to copy large (few GB) file using cp and the call fails with sendfile: unknown system error -208860302. This bug appears to be open already (IOError from cp with large file on Windows · Issue #30723 · JuliaLan…

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## [Gaussian process with noisy heteroscedastic correlated targets (outputs)](https://discourse.julialang.org/t/gaussian-process-with-noisy-heteroscedastic-correlated-targets-outputs/132582)

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**Author:** [@mocalvao](https://discourse.julialang.org/u/mocalvao)\
**Replies:** 2\
**Last updated:** [September 25, 2025, 11:12am UTC](https://discourse.julialang.org/t/gaussian-process-with-noisy-heteroscedastic-correlated-targets-outputs/132582 "2025-09-25T11:12:43Z")

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Hi there, I have 2 kinds of datasets to which I would like to fit a Gaussian process: (1) a dataset with N observations: (x\_i, y\_i, \\sigma\_i) , i=1, 2, ..., N, where x\_i are the input (covariate) variables, y\_i the out…

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## [MadIPM: A GPU-accelerated interior-point solver for large-scale LPs](https://discourse.julialang.org/t/madipm-a-gpu-accelerated-interior-point-solver-for-large-scale-lps/132630)

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**Author:** [@amontoison](https://discourse.julialang.org/u/amontoison)\
**Replies:** 4\
**Last updated:** [September 25, 2025, 9:45am UTC](https://discourse.julialang.org/t/madipm-a-gpu-accelerated-interior-point-solver-for-large-scale-lps/132630 "2025-09-25T09:45:51Z")

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We have released MadIPM, a GPU-accelerated interior-point solver for large-scale linear programming. :tada: This work is done in collaboration with @sshin23 and @frapac. MadIPM is built on top of MadNLP. It implements …

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## [Makie: rich text, markdown?](https://discourse.julialang.org/t/makie-rich-text-markdown/132650)

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**Author:** [@ryofurue](https://discourse.julialang.org/u/ryofurue)\
**Replies:** 1\
**Last updated:** [September 25, 2025, 9:32am UTC](https://discourse.julialang.org/t/makie-rich-text-markdown/132650 "2025-09-25T09:32:38Z")

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I’m looking for a way to produce rich text easily in Makie plots. I know LaTeX strings work in Makie: this thread. But the LaTeX font (Computer Modern) is less legible than Makie’s default one. Its rich text produces mo…

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## [I'm getting a ParseError and I dont know why](https://discourse.julialang.org/t/im-getting-a-parseerror-and-i-dont-know-why/132627)

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**Author:** [@Queenvictoria](https://discourse.julialang.org/u/Queenvictoria)\
**Replies:** 5\
**Last updated:** [September 25, 2025, 9:25am UTC](https://discourse.julialang.org/t/im-getting-a-parseerror-and-i-dont-know-why/132627 "2025-09-25T09:25:27Z")

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I’m writing a function and I keep getting this error message: LoadError: ParseError: # Error @ ./mixed-juices.jl:52:14 if length(orders) \< 1 # ┌─────── time left = 0 end #──┘ ── Expected \`end\` W…

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## [\`hasfield\` and \`getkey\` in namedtuple](https://discourse.julialang.org/t/hasfield-and-getkey-in-namedtuple/132616)

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**Author:** [@Marco\_Lombardi](https://discourse.julialang.org/u/Marco_Lombardi)\
**Replies:** 5\
**Last updated:** [September 25, 2025, 8:32am UTC](https://discourse.julialang.org/t/hasfield-and-getkey-in-namedtuple/132616 "2025-09-25T08:32:59Z")

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Just a curiosity: is there any particular reason for the slightly odd choice of access functions for named tuples? I would expect to have hasfield and getfield, or alternatively haskey and getkey, but I see a mixture of …

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## [StackOverflowError, MutableArithmetics jump variables](https://discourse.julialang.org/t/stackoverflowerror-mutablearithmetics-jump-variables/132629)

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**Author:** [@Ceserik](https://discourse.julialang.org/u/Ceserik)\
**Replies:** 5\
**Last updated:** [September 25, 2025, 7:40am UTC](https://discourse.julialang.org/t/stackoverflowerror-mutablearithmetics-jump-variables/132629 "2025-09-25T07:40:10Z")

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Hello, I am making a tool to find fastest possible lap time for racing car, I am trying to use same function for initial value problem solving and also for optimisation in julia. The function describes behavior of a car.…

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## [KernelAbstractions + Enzyme - how to do GPU-side autodiff?](https://discourse.julialang.org/t/kernelabstractions-enzyme-how-to-do-gpu-side-autodiff/132643)

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**Author:** [@jl\_enthusiast](https://discourse.julialang.org/u/jl_enthusiast)\
**Replies:** 1\
**Last updated:** [September 25, 2025, 6:34am UTC](https://discourse.julialang.org/t/kernelabstractions-enzyme-how-to-do-gpu-side-autodiff/132643 "2025-09-25T06:34:49Z")

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Hello, I recently tried to (and failed) to auto-differentiate kernels with Enzyme.jl, written using KernelAbstractions.jl. I tried to search for examples in other packages, but could not find any concrete examples of E…

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## [QuadGK returning zero when bounds Inf](https://discourse.julialang.org/t/quadgk-returning-zero-when-bounds-inf/132648)

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**Author:** [@rand5](https://discourse.julialang.org/u/rand5)\
**Replies:** 1\
**Last updated:** [September 25, 2025, 6:26am UTC](https://discourse.julialang.org/t/quadgk-returning-zero-when-bounds-inf/132648 "2025-09-25T06:26:13Z")

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Any help understanding the behavior of QuadGK here would be greatly appreciated. I have two well behaved functions, pdf(Normal(1.,0.1),x) and cdf(Normal(-3.,0.1),x) and I’d like to integrate their product. quadgk(x -\> p…

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## [Problems using Plots.jl](https://discourse.julialang.org/t/problems-using-plots-jl/132623)

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**Author:** [@Roy\_Eisenberg](https://discourse.julialang.org/u/Roy_Eisenberg)\
**Replies:** 10\
**Last updated:** [September 25, 2025, 5:47am UTC](https://discourse.julialang.org/t/problems-using-plots-jl/132623 "2025-09-25T05:47:31Z")

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So I am creating a gif of a Julia set zoom using the Plots.jl package (gr backend), and there are two problems I am unable to solve: Firstly, the plot doesn’t cover the entire window despite removing the axes and legend…

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## [World Age Problem Explanation](https://discourse.julialang.org/t/world-age-problem-explanation/9714)

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**Author:** [@LS64](https://discourse.julialang.org/u/LS64)\
**Replies:** 21\
**Last updated:** [September 24, 2025, 11:20pm UTC](https://discourse.julialang.org/t/world-age-problem-explanation/9714 "2025-09-24T23:20:20Z")

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Hello. Recently I have faced the “world age problem” several times. That means, after searching for my problems, this website came up with themes like “world age workaround” or “How to Bypass the World Age Problem”. I …

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## [Deploy Documenter docs locally](https://discourse.julialang.org/t/deploy-documenter-docs-locally/5463)

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**Author:** [@baggepinnen](https://discourse.julialang.org/u/baggepinnen)\
**Replies:** 6\
**Last updated:** [September 24, 2025, 9:09pm UTC](https://discourse.julialang.org/t/deploy-documenter-docs-locally/5463 "2025-09-24T21:09:28Z")

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As I understand it, the function deploydocs in Documenter.jl is designed to work with travis only. I have a private repository I would like to generate documentation for, and would like a deploydocs function that could d…

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## [Can I avoid dynamic dispatch here ? (recursive parameter in struct )](https://discourse.julialang.org/t/can-i-avoid-dynamic-dispatch-here-recursive-parameter-in-struct/132609)

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**Author:** [@filchristou](https://discourse.julialang.org/u/filchristou)\
**Replies:** 6\
**Last updated:** [September 24, 2025, 4:01pm UTC](https://discourse.julialang.org/t/can-i-avoid-dynamic-dispatch-here-recursive-parameter-in-struct/132609 "2025-09-24T16:01:05Z")

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There has been a while that I sense I might have some misconceptions about dynamic dispatch, and maybe this use case represents my doubts well.. So.. find myself in the unpleasant situation of having to use abstract con…

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## [How to Copy a Table from VS Code Workspace](https://discourse.julialang.org/t/how-to-copy-a-table-from-vs-code-workspace/132625)

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**Author:** [@rocco\_sprmnt21](https://discourse.julialang.org/u/rocco_sprmnt21)\
**Replies:** 2\
**Last updated:** [September 24, 2025, 3:13pm UTC](https://discourse.julialang.org/t/how-to-copy-a-table-from-vs-code-workspace/132625 "2025-09-24T15:13:27Z")

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I would like to copy (to paste it, for example, into Excel) a complete table including the header, which I obtain from the vscodedisplay(matrix/dataframe) function or by showing it within the workspace.

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## [Solving Optimization of Least Squares Term with Quadratic Term with Memory Infeasible Matrix](https://discourse.julialang.org/t/solving-optimization-of-least-squares-term-with-quadratic-term-with-memory-infeasible-matrix/132599)

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**Author:** [@RoyiAvital](https://discourse.julialang.org/u/RoyiAvital)\
**Replies:** 2\
**Last updated:** [September 24, 2025, 2:41pm UTC](https://discourse.julialang.org/t/solving-optimization-of-least-squares-term-with-quadratic-term-with-memory-infeasible-matrix/132599 "2025-09-24T14:41:15Z")

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I want to solve: \\arg \\min\_{\\boldsymbol{x}} \\frac{\\lambda}{2} \\boldsymbol{x}^{T} \\boldsymbol{E}^{T} \\boldsymbol{K} \\boldsymbol{E} \\boldsymbol{x} + \\frac{\\rho}{2} {\\left\\| \\boldsymbol{A} \\boldsymbol{x} - \\boldsymbol{y} …

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## [\[ANN\] SuffixAutomata.jl for fast, online updating and querying of generic collections](https://discourse.julialang.org/t/ann-suffixautomata-jl-for-fast-online-updating-and-querying-of-generic-collections/132620)

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**Author:** [@myersm0](https://discourse.julialang.org/u/myersm0)\
**Replies:** 0\
**Last updated:** [September 24, 2025, 1:32pm UTC](https://discourse.julialang.org/t/ann-suffixautomata-jl-for-fast-online-updating-and-querying-of-generic-collections/132620 "2025-09-24T13:32:15Z")

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I’d like to announce a small, dependency-less new package, SuffixAutomata.jl. You can read about the algorithm here if you’re not familiar with it. The big draws of this algorithm are: allows fast online updates very …

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## [Makie.jl keyword argument recipes (v0.24)](https://discourse.julialang.org/t/makie-jl-keyword-argument-recipes-v0-24/132603)

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**Author:** [@jrbaxter0](https://discourse.julialang.org/u/jrbaxter0)\
**Replies:** 5\
**Last updated:** [September 24, 2025, 1:43pm UTC](https://discourse.julialang.org/t/makie-jl-keyword-argument-recipes-v0-24/132603 "2025-09-24T13:43:19Z")

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I would like to request some help updating some of my plotting recipes to the new v0.24 style. I know the issue lies with the new attribute system and the computational graph (and no longer being able to manipulate it li…

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## [Odd name for a package?](https://discourse.julialang.org/t/odd-name-for-a-package/132618)

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**Author:** [@cormullion](https://discourse.julialang.org/u/cormullion)\
**Replies:** 3\
**Last updated:** [September 24, 2025, 1:03pm UTC](https://discourse.julialang.org/t/odd-name-for-a-package/132618 "2025-09-24T13:03:05Z")

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But it seems to be from the future, so :person\_shrugging:

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## [How do I access the elements of a set?](https://discourse.julialang.org/t/how-do-i-access-the-elements-of-a-set/132613)

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**Author:** [@hack3rcon](https://discourse.julialang.org/u/hack3rcon)\
**Replies:** 3\
**Last updated:** [September 24, 2025, 7:44am UTC](https://discourse.julialang.org/t/how-do-i-access-the-elements-of-a-set/132613 "2025-09-24T07:44:03Z")

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Hello, I defined a set as below: S = Set(\[11, 13, 17, 19\]) How can I access the set element: julia\> S\[1\] ERROR: MethodError: no method matching getindex(::Set{Int64}, ::Int64) Stacktrace: \[1\] top-level scope @ RE…

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## [Any way to use custom unicode inside of Julia terminal / VS Code?](https://discourse.julialang.org/t/any-way-to-use-custom-unicode-inside-of-julia-terminal-vs-code/132594)

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**Author:** [@Ahmed\_Salih](https://discourse.julialang.org/u/Ahmed_Salih)\
**Replies:** 5\
**Last updated:** [September 24, 2025, 12:39am UTC](https://discourse.julialang.org/t/any-way-to-use-custom-unicode-inside-of-julia-terminal-vs-code/132594 "2025-09-24T00:39:50Z")

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For example the following: Kind regards

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## [How to implement performance regression tests?](https://discourse.julialang.org/t/how-to-implement-performance-regression-tests/132578)

<div class="topic-metadata">

**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 5\
**Last updated:** [September 23, 2025, 9:54pm UTC](https://discourse.julialang.org/t/how-to-implement-performance-regression-tests/132578 "2025-09-23T21:54:26Z")

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I added a performance test to my package KiteModels.jl: Benchmark simplify operation by ufechner7 · Pull Request #250 · OpenSourceAWE/KiteModels.jl · GitHub. If you run the script, you get an output like: julia\> includ…

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## [ForwardDiff with Rosenbrock in DifferentialEquations.jl](https://discourse.julialang.org/t/forwarddiff-with-rosenbrock-in-differentialequations-jl/132605)

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**Author:** [@Bill\_Holmes](https://discourse.julialang.org/u/Bill_Holmes)\
**Replies:** 2\
**Last updated:** [September 23, 2025, 8:51pm UTC](https://discourse.julialang.org/t/forwarddiff-with-rosenbrock-in-differentialequations-jl/132605 "2025-09-23T20:51:39Z")

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Hello all. I am having an issue using Rosenbrock methods in DifferentialEquations.jl. Below is a MWE. My general problem is that I am trying to optimize parameters of a stiff system of ODEs. This is a relatively small pr…

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