# Latest

**URL:** https://discourse.julialang.org/latest.md?page=56

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

**Page:** 57

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## [Designing a Paths Julep](https://discourse.julialang.org/t/designing-a-paths-julep/124335)

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**Author:** [@tecosaur](https://discourse.julialang.org/u/tecosaur)\
**Replies:** 198\
**Last updated:** [February 8, 2026, 4:36pm UTC](https://discourse.julialang.org/t/designing-a-paths-julep/124335 "2026-02-08T16:36:51Z")

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Prompted by a gripe I made on Slack, thoughts I’ve had on paths have coalesed into the start of a Julep and a prototpye. At this stage, I’d love to get wider input on the idea and help shoring it up into a solid propo…

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## [Sand Simulation Written in Julia -\> WASM (Web Game)](https://discourse.julialang.org/t/sand-simulation-written-in-julia-wasm-web-game/135391)

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**Author:** [@Kyjor](https://discourse.julialang.org/u/Kyjor)\
**Replies:** 6\
**Last updated:** [February 8, 2026, 3:48pm UTC](https://discourse.julialang.org/t/sand-simulation-written-in-julia-wasm-web-game/135391 "2026-02-08T15:48:18Z")

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Hey everyone, Sometime last year I started tinkering with StaticCompiler.jl for fun. I was able to PoC getting it to work with SDL to create web builds. I was able to write the actual game logic in Julia and convert i…

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## [Is there a reason to use \`@expression\`? I think it's redundant](https://discourse.julialang.org/t/is-there-a-reason-to-use-expression-i-think-its-redundant/131829)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 14\
**Last updated:** [February 8, 2026, 1:04am UTC](https://discourse.julialang.org/t/is-there-a-reason-to-use-expression-i-think-its-redundant/131829 "2026-02-08T01:04:58Z")

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Sometimes I build incorrect expressions obliviously, but JuMP won’t throw an ERROR. Is this good? import JuMP, Gurobi model1 = JuMP.Model(Gurobi.Optimizer); JuMP.@variable(model1, x1 \>= 1); JuMP.@objective(model1, Min, …

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## [AccessibleModels.jl: Automatic UI and Model Fitting for Arbitrary Objects](https://discourse.julialang.org/t/accessiblemodels-jl-automatic-ui-and-model-fitting-for-arbitrary-objects/132363)

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**Author:** [@aplavin](https://discourse.julialang.org/u/aplavin)\
**Replies:** 19\
**Last updated:** [February 7, 2026, 6:24pm UTC](https://discourse.julialang.org/t/accessiblemodels-jl-automatic-ui-and-model-fitting-for-arbitrary-objects/132363 "2026-02-07T18:24:30Z")

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Hi all! :waving\_hand: I’m excited to share AccessibleModels.jl – the easiest way to fit/optimize models with parameters being arbitrary Julia objects and create quick UIs for those objects. I highlighted AccessibleMode…

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## [BinaryBuilder sandbox No space left on device](https://discourse.julialang.org/t/binarybuilder-sandbox-no-space-left-on-device/135499)

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**Author:** [@oheil](https://discourse.julialang.org/u/oheil)\
**Replies:** 8\
**Last updated:** [February 7, 2026, 2:15pm UTC](https://discourse.julialang.org/t/binarybuilder-sandbox-no-space-left-on-device/135499 "2026-02-07T14:15:04Z")

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Trying to build a binary with BinaryBuilder fails with “No space left on device”: sandbox:${WORKSPACE}/srcdir/Slint.jl/deps/SlintWrapper # df -h Filesystem Size Used Available Use% Mounted on overlay…

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## [Julia Bioinformatics](https://discourse.julialang.org/t/julia-bioinformatics/135526)

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**Author:** [@Stergios\_Papadimitri](https://discourse.julialang.org/u/Stergios_Papadimitri)\
**Replies:** 1\
**Last updated:** [February 7, 2026, 1:32pm UTC](https://discourse.julialang.org/t/julia-bioinformatics/135526 "2026-02-07T13:32:55Z")

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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 URLs are: github com s…

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## [I think a bug in Symbolics package, but not sure](https://discourse.julialang.org/t/i-think-a-bug-in-symbolics-package-but-not-sure/135521)

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**Author:** [@ejolson](https://discourse.julialang.org/u/ejolson)\
**Replies:** 2\
**Last updated:** [February 7, 2026, 9:55am UTC](https://discourse.julialang.org/t/i-think-a-bug-in-symbolics-package-but-not-sure/135521 "2026-02-07T09:55:29Z")

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I try the code using Symbolics D(f,x)=expand\_derivatives(Differential(x)(f)) @variables H,S,r1 K1=10000.0; K2=6000.0; a1=0.5; a2=0.5; r2=0.25; dHdt(H,S)=r1\*H\*(1-(a1\*S+H)/K1) dSdt(H,S)=r2\*S\*(1-(S+a2\*H)/K2) f(H,S)=dHdt(H,…

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## [Could not resolve this error: "ERROR: expected package \`DyadInterface \[99806f68\]\` to be registered"](https://discourse.julialang.org/t/could-not-resolve-this-error-error-expected-package-dyadinterface-99806f68-to-be-registered/135519)

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**Author:** [@pandeysudan27](https://discourse.julialang.org/u/pandeysudan27)\
**Replies:** 1\
**Last updated:** [February 7, 2026, 1:44am UTC](https://discourse.julialang.org/t/could-not-resolve-this-error-error-expected-package-dyadinterface-99806f68-to-be-registered/135519 "2026-02-07T01:44:14Z")

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I am following Dyad tutorial from Getting Started with Dyad Studio | Dyad I am getting the following error. while running the \] test . Any solution? Error Updating registry at \`C:\\Users\\Firstname Lastname\\.julia\\regist…

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## [Issue adding Julia package from GitHub: Unsatisfiable requirements (SymbolicUtils / SciCompDSL / ModelingToolkit)](https://discourse.julialang.org/t/issue-adding-julia-package-from-github-unsatisfiable-requirements-symbolicutils-scicompdsl-modelingtoolkit/135334)

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**Author:** [@pandeysudan27](https://discourse.julialang.org/u/pandeysudan27)\
**Replies:** 6\
**Last updated:** [February 7, 2026, 12:11am UTC](https://discourse.julialang.org/t/issue-adding-julia-package-from-github-unsatisfiable-requirements-symbolicutils-scicompdsl-modelingtoolkit/135334 "2026-02-07T00:11:47Z")

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Unsatisfiable requirements when adding package from GitHub (SymbolicUtils / SciCompDSL / MTK) Hi everyone, I’m developing a Julia package for acausal hydropower system modeling based on ModelingToolkit.jl and ModelingT…

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## [\[ANN\] Breeze.jl: GPU-based high-res atmospheric modeling based on Oceananigans.jl](https://discourse.julialang.org/t/ann-breeze-jl-gpu-based-high-res-atmospheric-modeling-based-on-oceananigans-jl/135347)

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**Author:** [@glwagner](https://discourse.julialang.org/u/glwagner)\
**Replies:** 10\
**Last updated:** [February 6, 2026, 10:06pm UTC](https://discourse.julialang.org/t/ann-breeze-jl-gpu-based-high-res-atmospheric-modeling-based-on-oceananigans-jl/135347 "2026-02-06T22:06:45Z")

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Hello Julia community! We’re building GPU-first, finite volume, pure Julia software for atmospheric modeling called “Breeze.jl”, based on Oceananigans.jl. Breeze looks and smells like Oceananigans and reuses grids, fiel…

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## [Shift+Enter shortcut behaving oddly](https://discourse.julialang.org/t/shift-enter-shortcut-behaving-oddly/135489)

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**Author:** [@bebentinho](https://discourse.julialang.org/u/bebentinho)\
**Replies:** 4\
**Last updated:** [February 6, 2026, 7:09pm UTC](https://discourse.julialang.org/t/shift-enter-shortcut-behaving-oddly/135489 "2026-02-06T19:09:43Z")

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My “Shift+Enter” shortcut is behaving oddly on VS Code after a code I was running crashed. Previously, it ran the specific line (or for, function, if blocks, etc…) selected and moved to the next one, but now it tries to …

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## [XLSX package](https://discourse.julialang.org/t/xlsx-package/135513)

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**Author:** [@Terry](https://discourse.julialang.org/u/Terry)\
**Replies:** 5\
**Last updated:** [February 6, 2026, 6:39pm UTC](https://discourse.julialang.org/t/xlsx-package/135513 "2026-02-06T18:39:37Z")

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I am coming to Julia from R. I really like Julia, but it is limited by rather poor documentation. I could not find good documentation for the XLSX package. I found instructions online for creating an xlsx file from a d…

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## [Efficient custom broadcasting challenge](https://discourse.julialang.org/t/efficient-custom-broadcasting-challenge/135511)

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**Author:** [@Deduction42](https://discourse.julialang.org/u/Deduction42)\
**Replies:** 2\
**Last updated:** [February 6, 2026, 6:14pm UTC](https://discourse.julialang.org/t/efficient-custom-broadcasting-challenge/135511 "2026-02-06T18:14:56Z")

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I am trying to build some optimized broadcasting behavior for some factorized arrays of quantities for FlexUnits.jl. It turns out that if a matrix of quantities can be multiplied by vector of quantities, the matrix units…

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## [Getting beta2 from juliaup](https://discourse.julialang.org/t/getting-beta2-from-juliaup/135490)

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**Author:** [@Paul\_Soderlind](https://discourse.julialang.org/u/Paul_Soderlind)\
**Replies:** 2\
**Last updated:** [February 6, 2026, 6:02pm UTC](https://discourse.julialang.org/t/getting-beta2-from-juliaup/135490 "2026-02-06T18:02:12Z")

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…takes the following steps juliaup update (to actually get beta2 listed) juliaup add beta That step 1 was required surprised me. Even more strange, this was required on one of my windows computers, not on the other.

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## [Programming in age of AI](https://discourse.julialang.org/t/programming-in-age-of-ai/135410)

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**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 15\
**Last updated:** [February 6, 2026, 4:27pm UTC](https://discourse.julialang.org/t/programming-in-age-of-ai/135410 "2026-02-06T16:27:44Z")

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I often hear from people that AI will make coding skills useless and AI will make programmers jobless. I personally like programming but fears about future. :cold\_face: Should we learn programming in the age of AI when…

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## [Truthiness and short circuit or](https://discourse.julialang.org/t/truthiness-and-short-circuit-or/135486)

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**Author:** [@Magnus\_Lilledahl](https://discourse.julialang.org/u/Magnus_Lilledahl)\
**Replies:** 14\
**Last updated:** [February 6, 2026, 3:43pm UTC](https://discourse.julialang.org/t/truthiness-and-short-circuit-or/135486 "2026-02-06T15:43:04Z")

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…based on a made up story: Somewhere in the cold, dark code \>a = true && "scam" The greedy novice wonders trough the code and asks: \>a == false false …so a must true. Sweet! try if a println("send me a…

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## [Dynamic optimization over a step function in MTK and InfiniteOpt](https://discourse.julialang.org/t/dynamic-optimization-over-a-step-function-in-mtk-and-infiniteopt/135496)

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**Author:** [@cstjean](https://discourse.julialang.org/u/cstjean)\
**Replies:** 1\
**Last updated:** [February 6, 2026, 3:07pm UTC](https://discourse.julialang.org/t/dynamic-optimization-over-a-step-function-in-mtk-and-infiniteopt/135496 "2026-02-06T15:07:00Z")

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After watching the inspiring Optimal Control in Julia: SciML’s newest tooling | Rackauckas | Paris 2025, I’d like to use the dynamic optimization interface. While InfiniteOpt is made to work with “infinite parameters”, c…

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## [JetBrains Ticket for Julia Support](https://discourse.julialang.org/t/jetbrains-ticket-for-julia-support/67950)

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**Author:** [@stefan\_petrov\_123](https://discourse.julialang.org/u/stefan_petrov_123)\
**Replies:** 1\
**Last updated:** [February 6, 2026, 3:06pm UTC](https://discourse.julialang.org/t/jetbrains-ticket-for-julia-support/67950 "2026-02-06T15:06:46Z")

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Hi, I am using DataSpell (jupyter notebooks) by jetbrains and raised the question of better Julia support, as I personally couldn’t get the currently available one to be convenient enough to suit my needs. Actually, may…

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## [Wiener Process Sampling](https://discourse.julialang.org/t/wiener-process-sampling/135498)

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**Author:** [@diffeqslvr](https://discourse.julialang.org/u/diffeqslvr)\
**Replies:** 2\
**Last updated:** [February 6, 2026, 3:06pm UTC](https://discourse.julialang.org/t/wiener-process-sampling/135498 "2026-02-06T15:06:09Z")

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As a sanity check, I try to simulate a pure Wiener process du = D dW. However, when I plot the variable, it does not look like a random walk; rather, the curves follows line segments: Is that because I am doing somet…

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## [\[ANN\] PrecisionCarriers.jl: Easy Detection of Floating Point Precision Loss](https://discourse.julialang.org/t/ann-precisioncarriers-jl-easy-detection-of-floating-point-precision-loss/130670)

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**Author:** [@AntonReinhard](https://discourse.julialang.org/u/AntonReinhard)\
**Replies:** 6\
**Last updated:** [February 6, 2026, 2:52pm UTC](https://discourse.julialang.org/t/ann-precisioncarriers-jl-easy-detection-of-floating-point-precision-loss/130670 "2026-02-06T14:52:08Z")

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I recently registered a new package I’ve been working on: PrecisionCarriers.jl. It’s designed to let you check existing code very quickly and easily for loss of precision in its calculations. I added a macro inspired by…

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## [Floating-point accuracy visualization example: the ULP error for each math function coming with Julia](https://discourse.julialang.org/t/floating-point-accuracy-visualization-example-the-ulp-error-for-each-math-function-coming-with-julia/135392)

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**Author:** [@nsajko](https://discourse.julialang.org/u/nsajko)\
**Replies:** 20\
**Last updated:** [February 6, 2026, 2:25pm UTC](https://discourse.julialang.org/t/floating-point-accuracy-visualization-example-the-ulp-error-for-each-math-function-coming-with-julia/135392 "2026-02-06T14:25:29Z")

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Introduction The implementation of a math function, such as cos(::Float64) in Julia, should be fast, but also needs to be at least somewhat accurate. Here I propose a method for visualizing empirical accuracy data. Cons…

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## [Simulating a disconnected line](https://discourse.julialang.org/t/simulating-a-disconnected-line/135324)

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**Author:** [@Magnus\_Lilledahl](https://discourse.julialang.org/u/Magnus_Lilledahl)\
**Replies:** 2\
**Last updated:** [February 6, 2026, 1:48pm UTC](https://discourse.julialang.org/t/simulating-a-disconnected-line/135324 "2026-02-06T13:48:40Z")

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In pandapower it is possible to set a line parameter “in\_service” to false and the model will still run with all connected loads set to zero. I tried to set “br\_status” to 0 in powermodels but then the model returns infe…

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## [BinaryBuilder can I tell run\_wizard to provide a specific rust version](https://discourse.julialang.org/t/binarybuilder-can-i-tell-run-wizard-to-provide-a-specific-rust-version/135487)

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**Author:** [@oheil](https://discourse.julialang.org/u/oheil)\
**Replies:** 7\
**Last updated:** [February 6, 2026, 12:30pm UTC](https://discourse.julialang.org/t/binarybuilder-can-i-tell-run-wizard-to-provide-a-specific-rust-version/135487 "2026-02-06T12:30:43Z")

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I am trying to build the library for project GitHub - oheil/Slint.jl: Slint GUI for Julia with BinaryBuilder but it needs rust 1.88 but the wizard provides 1.87 only. Trying to update to 1.88 in the sandbox brings No s…

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## [Does @propagate\_inbounds affect one method, or all methods (-\> the function)?](https://discourse.julialang.org/t/does-propagate-inbounds-affect-one-method-or-all-methods-the-function/135461)

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**Author:** [@marteaua](https://discourse.julialang.org/u/marteaua)\
**Replies:** 3\
**Last updated:** [February 6, 2026, 11:24am UTC](https://discourse.julialang.org/t/does-propagate-inbounds-affect-one-method-or-all-methods-the-function/135461 "2026-02-06T11:24:45Z")

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The Base.@propagate\_inbounds documentation says the macro affects the annotated “function”. Does it mean that it affects all the method defined to a specific function ? Or just the annotated method? I ask because I wan…

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## [HiGHS (via JuMP) decides MIP solution to be infeasible](https://discourse.julialang.org/t/highs-via-jump-decides-mip-solution-to-be-infeasible/135421)

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**Author:** [@asprionj](https://discourse.julialang.org/u/asprionj)\
**Replies:** 13\
**Last updated:** [February 6, 2026, 9:41am UTC](https://discourse.julialang.org/t/highs-via-jump-decides-mip-solution-to-be-infeasible/135421 "2026-02-06T09:41:08Z")

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As part of an optimisation-based control algorithm I solve a series of equally structured problems that only differ by the numerical values. For some “random” instances, I get output such as the following: MIP has 7 row…

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## [Don't run all cells on startup and only update cells that have been run at least once](https://discourse.julialang.org/t/dont-run-all-cells-on-startup-and-only-update-cells-that-have-been-run-at-least-once/135447)

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**Author:** [@cshen](https://discourse.julialang.org/u/cshen)\
**Replies:** 10\
**Last updated:** [February 6, 2026, 4:18am UTC](https://discourse.julialang.org/t/dont-run-all-cells-on-startup-and-only-update-cells-that-have-been-run-at-least-once/135447 "2026-02-06T04:18:13Z")

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Hello, As far as I can tell, it’s not possible to not run the whole notebook on startup. Which is a shame. I think it would be very beneficial to have simply a “Trust” button that exit safe mode without running the who…

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## [\[ANN\] Julia Cell Highlighter—VS Code extension for highlighting Julia code cells](https://discourse.julialang.org/t/ann-julia-cell-highlighter-vs-code-extension-for-highlighting-julia-code-cells/135218)

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**Author:** [@karei](https://discourse.julialang.org/u/karei)\
**Replies:** 8\
**Last updated:** [February 6, 2026, 2:04am UTC](https://discourse.julialang.org/t/ann-julia-cell-highlighter-vs-code-extension-for-highlighting-julia-code-cells/135218 "2026-02-06T02:04:37Z")

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Hi all! I just released Julia Cell Highlighter (GitHub), a VS Code extension that highlights the current Julia code cell and adds CodeLens actions to run cells. Key features: Highlights the current cell as you move…

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## [Why is juliaup emphasized as the installation mechanism?](https://discourse.julialang.org/t/why-is-juliaup-emphasized-as-the-installation-mechanism/134844)

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**Author:** [@VivMendes](https://discourse.julialang.org/u/VivMendes)\
**Replies:** 60\
**Last updated:** [February 5, 2026, 9:04pm UTC](https://discourse.julialang.org/t/why-is-juliaup-emphasized-as-the-installation-mechanism/134844 "2026-02-05T21:04:22Z")

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I do not really understand all this emphasis on using juliaup to install Julia. I will give my two cents on this issue, but I should start with a disclaimer: I am a user, not a developer. I have been teaching a course u…

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## [When my REPL input fills the line, previously displayed lines get "eaten"](https://discourse.julialang.org/t/when-my-repl-input-fills-the-line-previously-displayed-lines-get-eaten/135361)

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**Author:** [@qua4tre](https://discourse.julialang.org/u/qua4tre)\
**Replies:** 4\
**Last updated:** [February 5, 2026, 7:32pm UTC](https://discourse.julialang.org/t/when-my-repl-input-fills-the-line-previously-displayed-lines-get-eaten/135361 "2026-02-05T19:32:27Z")

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Say I am working at the REPL, and I have a few inputs and outputs displayed: julia\> 2 + 2 4 julia\> exp(6) 403.4287934927351 julia\> Next I have a really long input line that exactly fills the width of my terminal: ju…

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## [Julia manual in ebook format?](https://discourse.julialang.org/t/julia-manual-in-ebook-format/63266)

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**Author:** [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Replies:** 7\
**Last updated:** [February 5, 2026, 6:14pm UTC](https://discourse.julialang.org/t/julia-manual-in-ebook-format/63266 "2026-02-05T18:14:33Z")

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Every time I try to read the julia manual I wind up stalling out. Sure I read some of it, and I get something out of it, but then at some point it’s exhausting reading the PDF on a tablet, and the manual is like 1500 pag…

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