# Latest

**URL:** https://discourse.julialang.org/latest.md?page=74

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

**Page:** 75

---

## [New 2025/2026 event for Bayesian Data Analysis Meetup](https://discourse.julialang.org/t/new-2025-2026-event-for-bayesian-data-analysis-meetup/134452)

<div class="topic-metadata">

**Author:** [@bparbhu](https://discourse.julialang.org/u/bparbhu)\
**Replies:** 0\
**Last updated:** [December 9, 2025, 3:31pm UTC](https://discourse.julialang.org/t/new-2025-2026-event-for-bayesian-data-analysis-meetup/134452 "2025-12-09T15:31:01Z")

</div>

Hey all, I hope all is well with everyone and as we round out the year something I’ve been talking about more lately is how do we deploy and get Bayesian models into production? Depending on the framework what are the …

---

## [How to setup Julia properly on Lxplus so that Julia Extension in VS Code works](https://discourse.julialang.org/t/how-to-setup-julia-properly-on-lxplus-so-that-julia-extension-in-vs-code-works/134254)

<div class="topic-metadata">

**Author:** [@Aditya747S](https://discourse.julialang.org/u/Aditya747S)\
**Replies:** 4\
**Last updated:** [December 9, 2025, 1:11pm UTC](https://discourse.julialang.org/t/how-to-setup-julia-properly-on-lxplus-so-that-julia-extension-in-vs-code-works/134254 "2025-12-09T13:11:30Z")

</div>

I have recently started using julia in lxplus and was wondering how to properly set it up. For example, is there a way to use the julia extension in lxplus, in order to run my julia files I currently have to give command…

---

## [CUDA test failure](https://discourse.julialang.org/t/cuda-test-failure/134371)

<div class="topic-metadata">

**Author:** [@aklocker](https://discourse.julialang.org/u/aklocker)\
**Replies:** 8\
**Last updated:** [December 9, 2025, 12:57pm UTC](https://discourse.julialang.org/t/cuda-test-failure/134371 "2025-12-09T12:57:47Z")

</div>

Hi, I’m new to Julia and GPU computing. I installed CUDA and ran \]test CUDA to check it is working. When I do this I get the following errors: Info: Testing using device 0 (NVIDIA GH200 120GB). To change this, specify…

---

## [Correctness Issue in NeuralOperators.jl: Mode truncation in SpectralConv excludes negative low-frequency modes](https://discourse.julialang.org/t/correctness-issue-in-neuraloperators-jl-mode-truncation-in-spectralconv-excludes-negative-low-frequency-modes/134403)

<div class="topic-metadata">

**Author:** [@Azamat](https://discourse.julialang.org/u/Azamat)\
**Replies:** 2\
**Last updated:** [December 9, 2025, 8:26am UTC](https://discourse.julialang.org/t/correctness-issue-in-neuraloperators-jl-mode-truncation-in-spectralconv-excludes-negative-low-frequency-modes/134403 "2025-12-09T08:26:17Z")

</div>

I was looking at the mode truncation logic in NeuralOperators.jl and have a question about correctness. Link: NeuralOperators.jl/src/transform.jl at 39f8a3c6dc974e711c8de8a8fde804e096098157 · SciML/NeuralOperators.jl · …

---

## [\[ANN\] LieGroups.jl](https://discourse.julialang.org/t/ann-liegroups-jl/128294)

<div class="topic-metadata">

**Author:** [@kellertuer](https://discourse.julialang.org/u/kellertuer)\
**Replies:** 2\
**Last updated:** [December 9, 2025, 6:41am UTC](https://discourse.julialang.org/t/ann-liegroups-jl/128294 "2025-12-09T06:41:15Z")

</div>

Lie groups are a tool to work with groups, namely they are a manifold equipped with a smooth group operation. In practice these appear when dealing with rotations on a Euclidean space, the set of translations and rotatio…

---

## [Query help on Flux error](https://discourse.julialang.org/t/query-help-on-flux-error/134296)

<div class="topic-metadata">

**Author:** [@lionisxn](https://discourse.julialang.org/u/lionisxn)\
**Replies:** 4\
**Last updated:** [December 9, 2025, 5:00am UTC](https://discourse.julialang.org/t/query-help-on-flux-error/134296 "2025-12-09T05:00:09Z")

</div>

┌ Error: Error during loading of extension FluxCUDAcuDNNExt of Flux, use Base.retry\_load\_extensions() to retry. │ exception = │ 1-element ExceptionStack: │ ConcurrencyViolationError(“deadlock detected in loadi…

---

## [\[ANN\] MakieExtra.jl – more recipes and tools for Makie plots](https://discourse.julialang.org/t/ann-makieextra-jl-more-recipes-and-tools-for-makie-plots/118618)

<div class="topic-metadata">

**Author:** [@aplavin](https://discourse.julialang.org/u/aplavin)\
**Replies:** 25\
**Last updated:** [December 9, 2025, 4:41am UTC](https://discourse.julialang.org/t/ann-makieextra-jl-more-recipes-and-tools-for-makie-plots/118618 "2025-12-09T04:41:53Z")

</div>

MakieExtra.jl :crystal\_ball: Announcing a package I released recently, MakieExtra.jl. It includes a bunch of new stuff for plotting that is either: can only be implemented with some “hacks” at the current state of Mak…

---

## [Using Neural ODEs to learn a family of ODEs (with Automatic Differentiation)](https://discourse.julialang.org/t/using-neural-odes-to-learn-a-family-of-odes-with-automatic-differentiation/134348)

<div class="topic-metadata">

**Author:** [@leespen1](https://discourse.julialang.org/u/leespen1)\
**Replies:** 13\
**Last updated:** [December 9, 2025, 1:59am UTC](https://discourse.julialang.org/t/using-neural-odes-to-learn-a-family-of-odes-with-automatic-differentiation/134348 "2025-12-09T01:59:34Z")

</div>

I am running into issues when trying to use reverse-mode automatic differentiation via Zygote when trying to solve families of Given u(t), we can train a neural ODE to find the underlying ODE du/dt = f(u, t). For examp…

---

## [@chaineach](https://discourse.julialang.org/t/chaineach/134423)

<div class="topic-metadata">

**Author:** [@Lincoln\_Hannah](https://discourse.julialang.org/u/Lincoln_Hannah)\
**Replies:** 12\
**Last updated:** [December 9, 2025, 12:10am UTC](https://discourse.julialang.org/t/chaineach/134423 "2025-12-09T00:10:13Z")

</div>

I’d like a macro @chaineach such that: @chaineach x begin #commands end is equivalent to map( y -\> @chain y begin #commands end, collect(x) ) Example usage is a @chain block processing a DataFrame and creati…

---

## [This month in Julia world - 2025-11](https://discourse.julialang.org/t/this-month-in-julia-world-2025-11/134433)

<div class="topic-metadata">

**Author:** [@Krastanov](https://discourse.julialang.org/u/Krastanov)\
**Replies:** 9\
**Last updated:** [December 8, 2025, 10:25pm UTC](https://discourse.julialang.org/t/this-month-in-julia-world-2025-11/134433 "2025-12-08T22:25:34Z")

</div>

A monthly newsletter, mostly on julia internals, digestible for casual observers. A biased, incomplete, editorialized list of what a clique of us found interesting this month, with contributions from the community. If y…

---

## [Should vscode debugger work in REPL for included functions?](https://discourse.julialang.org/t/should-vscode-debugger-work-in-repl-for-included-functions/134379)

<div class="topic-metadata">

**Author:** [@carpetguy](https://discourse.julialang.org/u/carpetguy)\
**Replies:** 4\
**Last updated:** [December 8, 2025, 10:24pm UTC](https://discourse.julialang.org/t/should-vscode-debugger-work-in-repl-for-included-functions/134379 "2025-12-08T22:24:34Z")

</div>

I’m running the vscode REPL and including scripts (via includet or include) which have functions defined. However, if I set breakpoints in the script files (say in myFunc) and do @run myFunc(), the breakpoint is skipped.…

---

## [ANN: JuMP-dev 2025 videos](https://discourse.julialang.org/t/ann-jump-dev-2025-videos/134442)

<div class="topic-metadata">

**Author:** [@odow](https://discourse.julialang.org/u/odow)\
**Replies:** 0\
**Last updated:** [December 8, 2025, 7:50pm UTC](https://discourse.julialang.org/t/ann-jump-dev-2025-videos/134442 "2025-12-08T19:50:52Z")

</div>

Dear all, The JuMP-dev 2025 videos are now on YouTube. Check them out here: https://www.youtube.com/playlist?list=PLP8iPy9hna6RLvzHeEVCwkUkZV3aChElQ Cheers, Oscar

---

## [Is there an equivalent to Optim.jl's only\_fg! in Optimization.jl?](https://discourse.julialang.org/t/is-there-an-equivalent-to-optim-jls-only-fg-in-optimization-jl/134320)

<div class="topic-metadata">

**Author:** [@anthony-meza](https://discourse.julialang.org/u/anthony-meza)\
**Replies:** 1\
**Last updated:** [December 8, 2025, 7:48pm UTC](https://discourse.julialang.org/t/is-there-an-equivalent-to-optim-jls-only-fg-in-optimization-jl/134320 "2025-12-08T19:48:54Z")

</div>

Optim.jl implements an only\_fg! function that allows calculations made in the objective function, f, to be passed to the gradient, g. By constructing an fg! function, you can avoid redundant calculations that are require…

---

## [Tooling for separating allocation and coverage tests](https://discourse.julialang.org/t/tooling-for-separating-allocation-and-coverage-tests/134439)

<div class="topic-metadata">

**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 1\
**Last updated:** [December 8, 2025, 7:00pm UTC](https://discourse.julialang.org/t/tooling-for-separating-allocation-and-coverage-tests/134439 "2025-12-08T19:00:58Z")

</div>

I understand that running tests with coverage makes information from @allocated etc unreliable. I have found various clever workarounds which, generally run two sets of tests, with and without coverage, by setting bui…

---

## [Fast animations](https://discourse.julialang.org/t/fast-animations/134427)

<div class="topic-metadata">

**Author:** [@mahmah](https://discourse.julialang.org/u/mahmah)\
**Replies:** 4\
**Last updated:** [December 8, 2025, 6:41pm UTC](https://discourse.julialang.org/t/fast-animations/134427 "2025-12-08T18:41:20Z")

</div>

Hi, what would be the fastest way to generate animations or videos? I’ve been able to make animated gifs with @animateanimate but they take quite some time. Here’s the kind of stuff I’m doing: data = Matrix(m.data) X = …

---

## [Need help solving boundary value problem using SciML collocation, when I have unknown parameters in boundary conditions](https://discourse.julialang.org/t/need-help-solving-boundary-value-problem-using-sciml-collocation-when-i-have-unknown-parameters-in-boundary-conditions/134404)

<div class="topic-metadata">

**Author:** [@ThermionicsGuy](https://discourse.julialang.org/u/ThermionicsGuy)\
**Replies:** 3\
**Last updated:** [December 8, 2025, 6:35pm UTC](https://discourse.julialang.org/t/need-help-solving-boundary-value-problem-using-sciml-collocation-when-i-have-unknown-parameters-in-boundary-conditions/134404 "2025-12-08T18:35:45Z")

</div>

I have a nonlinear two-point boundary value problem consisting of five first-order differential equations. There are three boundary conditions at t=0 and two at t=1. Each boundary condition set also has one unknown param…

---

## [How to coordinate shutting down tasks?](https://discourse.julialang.org/t/how-to-coordinate-shutting-down-tasks/134434)

<div class="topic-metadata">

**Author:** [@freeman](https://discourse.julialang.org/u/freeman)\
**Replies:** 8\
**Last updated:** [December 8, 2025, 4:20pm UTC](https://discourse.julialang.org/t/how-to-coordinate-shutting-down-tasks/134434 "2025-12-08T16:20:34Z")

</div>

I use tasks to decouple subscribing to data streams and publish downstream data streams. I also use Bool references to coordinate when all tasks should exit. Schematically, it looks like this: # main thread run\_flag = …

---

## [Extra line reduces run time by half, but why?](https://discourse.julialang.org/t/extra-line-reduces-run-time-by-half-but-why/134432)

<div class="topic-metadata">

**Author:** [@SneakyNewt](https://discourse.julialang.org/u/SneakyNewt)\
**Replies:** 3\
**Last updated:** [December 8, 2025, 3:50pm UTC](https://discourse.julialang.org/t/extra-line-reduces-run-time-by-half-but-why/134432 "2025-12-08T15:50:42Z")

</div>

From Advent of Code Day 7, so be warned for spoilers. I created my solution and found weird behaviors where running other functions/lines made the rest of my code run far faster, but wasn’t sure why. After a very tediou…

---

## [Makie Axis xticks: passing (datetimes, labels) fails with MethodError](https://discourse.julialang.org/t/makie-axis-xticks-passing-datetimes-labels-fails-with-methoderror/134411)

<div class="topic-metadata">

**Author:** [@lfenzo](https://discourse.julialang.org/u/lfenzo)\
**Replies:** 4\
**Last updated:** [December 8, 2025, 12:02pm UTC](https://discourse.julialang.org/t/makie-axis-xticks-passing-datetimes-labels-fails-with-methoderror/134411 "2025-12-08T12:02:26Z")

</div>

Hello! I’m trying to change the DateTime xtick label intervals in my Makie plot by manually passing the xticks parameter to Axis as a tuple with two vectors: (datetimes, labels). According to the current xticks docs: T…

---

## [Solving A·u = b over a Laurent polynomial ring](https://discourse.julialang.org/t/solving-a-u-b-over-a-laurent-polynomial-ring/134428)

<div class="topic-metadata">

**Author:** [@nzy1997](https://discourse.julialang.org/u/nzy1997)\
**Replies:** 0\
**Last updated:** [December 8, 2025, 10:05am UTC](https://discourse.julialang.org/t/solving-a-u-b-over-a-laurent-polynomial-ring/134428 "2025-12-08T10:05:32Z")

</div>

Hi, I am trying to solve linear equations over a Laurent polynomial ring in Oscar/Julia. Given a matrix A and a right-hand side b over R = GF(p)\[x₁^{±1}, …, xₙ^{±1}\], I want to compute a vector u such that A \* u = b. M…

---

## [Shogi in Julia, Chess-like game bitshogi.com](https://discourse.julialang.org/t/shogi-in-julia-chess-like-game-bitshogi-com/134399)

<div class="topic-metadata">

**Author:** [@sam-ghala](https://discourse.julialang.org/u/sam-ghala)\
**Replies:** 7\
**Last updated:** [December 8, 2025, 8:17am UTC](https://discourse.julialang.org/t/shogi-in-julia-chess-like-game-bitshogi-com/134399 "2025-12-08T08:17:55Z")

</div>

Hi! This is my second project using Julia. I made a minishogi engine using bitboards. You can play at bitshogi.com It’s a chess-like game. You play as white. There is code, rules, and bot information on different kinds …

---

## [Multithreading non-contiguous mapreduction over huge matrices](https://discourse.julialang.org/t/multithreading-non-contiguous-mapreduction-over-huge-matrices/134413)

<div class="topic-metadata">

**Author:** [@noetheriankoala](https://discourse.julialang.org/u/noetheriankoala)\
**Replies:** 5\
**Last updated:** [December 8, 2025, 7:36am UTC](https://discourse.julialang.org/t/multithreading-non-contiguous-mapreduction-over-huge-matrices/134413 "2025-12-08T07:36:45Z")

</div>

Hello! A version of the following function is majorly bottle-necking a project I am working on and I could use help speeding it up. In all the below code, A is an k x n matrix, l is a length-n vector, and q is a length n…

---

## [Block/Tile-Based GPU Programming (not Scratch)](https://discourse.julialang.org/t/block-tile-based-gpu-programming-not-scratch/127731)

<div class="topic-metadata">

**Author:** [@NonDairyNeutrino](https://discourse.julialang.org/u/NonDairyNeutrino)\
**Replies:** 3\
**Last updated:** [December 8, 2025, 5:20am UTC](https://discourse.julialang.org/t/block-tile-based-gpu-programming-not-scratch/127731 "2025-12-08T05:20:14Z")

</div>

I just found that there’s this new (at least to me) GPU programming framework called “Block/Tile-Based”, whether it’s “block” or “tile” seems to depend on who you ask. The three I’ve just seen are OpenAI’s Triton, NVIDI…

---

## [RFC: TypstDocs.jl (Julia package documentation in typst)](https://discourse.julialang.org/t/rfc-typstdocs-jl-julia-package-documentation-in-typst/134422)

<div class="topic-metadata">

**Author:** [@ExpandingMan](https://discourse.julialang.org/u/ExpandingMan)\
**Replies:** 4\
**Last updated:** [December 8, 2025, 2:14am UTC](https://discourse.julialang.org/t/rfc-typstdocs-jl-julia-package-documentation-in-typst/134422 "2025-12-08T02:14:04Z")

</div>

Many of us in the Julia community are enthusiastic about the typst typesetting language, which shares similar goals with latex but with a radically different design philosophy. Currently typst is mostly used to output P…

---

## [StackOverflowError when using PRIMA.jl on Ubuntu (works fine on macOS and Windows)](https://discourse.julialang.org/t/stackoverflowerror-when-using-prima-jl-on-ubuntu-works-fine-on-macos-and-windows/131012)

<div class="topic-metadata">

**Author:** [@pclins](https://discourse.julialang.org/u/pclins)\
**Replies:** 5\
**Last updated:** [December 7, 2025, 3:29pm UTC](https://discourse.julialang.org/t/stackoverflowerror-when-using-prima-jl-on-ubuntu-works-fine-on-macos-and-windows/131012 "2025-12-07T15:29:12Z")

</div>

Hi everyone, I’m running into a strange StackOverflowError when using Julia on Ubuntu. The same code runs without any issues on macOS and Windows. I’m using PRIMA.jl (via OptimizationPRIMA.jl) to optimize a function. M…

---

## [FYI: Julia 1.12's REPL warns on non-owning, non-public qualified accesses](https://discourse.julialang.org/t/fyi-julia-1-12s-repl-warns-on-non-owning-non-public-qualified-accesses/134401)

<div class="topic-metadata">

**Author:** [@ericphanson](https://discourse.julialang.org/u/ericphanson)\
**Replies:** 5\
**Last updated:** [December 7, 2025, 10:30am UTC](https://discourse.julialang.org/t/fyi-julia-1-12s-repl-warns-on-non-owning-non-public-qualified-accesses/134401 "2025-12-07T10:30:01Z")

</div>

Some terminology: Qualified access: like Module.name, e.g. DataFrames.VERSION non-owning: VERSION is defined in Base, not in DataFrames non-public: VERSION is not marked public in DataFrames (it is public in Base) So …

---

## [\`@allocated\` vs \`@allocations\`](https://discourse.julialang.org/t/allocated-vs-allocations/134408)

<div class="topic-metadata">

**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 2\
**Last updated:** [December 7, 2025, 8:36am UTC](https://discourse.julialang.org/t/allocated-vs-allocations/134408 "2025-12-07T08:36:06Z")

</div>

Since 1.9, Julia has @allocations, which is A macro to evaluate an expression, discard the resulting value, and instead return the total number of allocations during evaluation of the expression. In contrast, @alloca…

---

## [How to extrapolate on non-uniform grid?](https://discourse.julialang.org/t/how-to-extrapolate-on-non-uniform-grid/134394)

<div class="topic-metadata">

**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 3\
**Last updated:** [December 7, 2025, 7:03am UTC](https://discourse.julialang.org/t/how-to-extrapolate-on-non-uniform-grid/134394 "2025-12-07T07:03:55Z")

</div>

How to interpolate(actually extrapolate later) Bp values on r,θand ϕ grid? I have non-uniform grid of r,θand ϕ, where r is geometric series and θand ϕ have constant spacing. r = Float32\[1.677044, 1.8385518, 2.0156136, 2…

---

## [Computing distances in Agents.jl](https://discourse.julialang.org/t/computing-distances-in-agents-jl/134375)

<div class="topic-metadata">

**Author:** [@Lucia\_Lopez](https://discourse.julialang.org/u/Lucia_Lopez)\
**Replies:** 3\
**Last updated:** [December 7, 2025, 3:37am UTC](https://discourse.julialang.org/t/computing-distances-in-agents-jl/134375 "2025-12-07T03:37:11Z")

</div>

In Agents.jl, is there a built-in method to compute the distance from an agent within a GridSpace that automatically uses the appropriate distance metric (consistent with the one specified during the space’s initializati…

---

## [World Age for beginners: one way to compile a dynamic language](https://discourse.julialang.org/t/world-age-for-beginners-one-way-to-compile-a-dynamic-language/134402)

<div class="topic-metadata">

**Author:** [@Benny](https://discourse.julialang.org/u/Benny)\
**Replies:** 2\
**Last updated:** [December 6, 2025, 10:01pm UTC](https://discourse.julialang.org/t/world-age-for-beginners-one-way-to-compile-a-dynamic-language/134402 "2025-12-06T22:01:10Z")

</div>

0. Preface (skippable) The Manual tries to describe the language in a more accessible way, but I’ve felt for a while that world age was unfortunately avoided. In fact, the 1.12 documentation says as much1: World age is…

[Previous page](https://discourse.julialang.org/latest.md?page=73)

[Next page](https://discourse.julialang.org/latest.md?page=75)