# Latest

**URL:** https://discourse.julialang.org/latest.md?page=138

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

**Page:** 139

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## [How to extract the dependency (also called causal) graph of a ModelingToolkit.jl ODE model?](https://discourse.julialang.org/t/how-to-extract-the-dependency-also-called-causal-graph-of-a-modelingtoolkit-jl-ode-model/130576)

<div class="topic-metadata">

**Author:** [@Datseris](https://discourse.julialang.org/u/Datseris)\
**Replies:** 4\
**Last updated:** [July 9, 2025, 7:31pm UTC](https://discourse.julialang.org/t/how-to-extract-the-dependency-also-called-causal-graph-of-a-modelingtoolkit-jl-ode-model/130576 "2025-07-09T19:31:17Z")

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I am trying to create the dependency (sometimes called causal) graph of a complex ODE System I have created symbolically with MTK. To do this I am using the dependency graph functionality of MTK \[found here\], however I c…

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## [Is it okay to learn only Julia, no other language](https://discourse.julialang.org/t/is-it-okay-to-learn-only-julia-no-other-language/117139)

<div class="topic-metadata">

**Author:** [@Anil\_Beniwal](https://discourse.julialang.org/u/Anil_Beniwal)\
**Replies:** 21\
**Last updated:** [July 9, 2025, 5:08pm UTC](https://discourse.julialang.org/t/is-it-okay-to-learn-only-julia-no-other-language/117139 "2025-07-09T17:08:48Z")

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Hi, I’m new to Julia, learning to code after banging head with pointers in “C” language. Should I bet on julia as first and only language to learn to code. And also I’m self teaching myself. As Julia is a new language th…

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## [Feedback requested: updated Gettext.jl for i18n](https://discourse.julialang.org/t/feedback-requested-updated-gettext-jl-for-i18n/130506)

<div class="topic-metadata">

**Author:** [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Replies:** 12\
**Last updated:** [July 9, 2025, 3:55pm UTC](https://discourse.julialang.org/t/feedback-requested-updated-gettext-jl-for-i18n/130506 "2025-07-09T15:55:09Z")

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A common library for internationalization and localization ( i18n and l10n) is GNU gettext, which offers an ecosystem of tools for maintaining databases of translations for user-interface strings, along with software API…

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## [2025 Julia User & Developer Survey](https://discourse.julialang.org/t/2025-julia-user-developer-survey/130579)

<div class="topic-metadata">

**Author:** [@ahclaster](https://discourse.julialang.org/u/ahclaster)\
**Replies:** 0\
**Last updated:** [July 9, 2025, 3:48pm UTC](https://discourse.julialang.org/t/2025-julia-user-developer-survey/130579 "2025-07-09T15:48:57Z")

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Thank you to everyone who participated in the 2025 Julia User & Developer Survey. The survey is now closed. We have collected your feedback and will review it for next year’s survey. Survey results will be presented at J…

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## [Makie - How to add ReferenceTests when contributing to Makie](https://discourse.julialang.org/t/makie-how-to-add-referencetests-when-contributing-to-makie/126092)

<div class="topic-metadata">

**Author:** [@mikeliux](https://discourse.julialang.org/u/mikeliux)\
**Replies:** 4\
**Last updated:** [July 9, 2025, 2:00pm UTC](https://discourse.julialang.org/t/makie-how-to-add-referencetests-when-contributing-to-makie/126092 "2025-07-09T14:00:40Z")

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I am not an experienced julia user, but I would like to contribute with a couple of minor implementations in Makie.jl. One of them is almost done, but I got stucked at one thing: I must implement a ReferenceTest. This R…

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## [Makie legend text colours](https://discourse.julialang.org/t/makie-legend-text-colours/130572)

<div class="topic-metadata">

**Author:** [@aris](https://discourse.julialang.org/u/aris)\
**Replies:** 2\
**Last updated:** [July 9, 2025, 12:06pm UTC](https://discourse.julialang.org/t/makie-legend-text-colours/130572 "2025-07-09T12:06:04Z")

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Hello everyone, Suppose we have the following example: using GLMakie f = Figure() ax = Axis(f\[:,:\]) for i in 1:5 scatter!( ax, i, i, marker=collect('a':'z')\[i\], colormap=:tab10, colorrang…

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## [Combining \`SparseDiffTools.jl\` and \`OrdinaryDiffEq.jl\`](https://discourse.julialang.org/t/combining-sparsedifftools-jl-and-ordinarydiffeq-jl/130555)

<div class="topic-metadata">

**Author:** [@DanDoe](https://discourse.julialang.org/u/DanDoe)\
**Replies:** 8\
**Last updated:** [July 9, 2025, 10:53am UTC](https://discourse.julialang.org/t/combining-sparsedifftools-jl-and-ordinarydiffeq-jl/130555 "2025-07-09T10:53:43Z")

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I managed to get the sparsity structure detection (via SparseDiffTools.j) of the rhs! function (the RHS of the ODE problem fed into OrdinaryDiffEq.jl) for our code Trixi.jl to run. Can I supply the cache = sparse\_jacob…

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## [Alternative packages for nearest neighbor search](https://discourse.julialang.org/t/alternative-packages-for-nearest-neighbor-search/130446)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 2\
**Last updated:** [July 9, 2025, 9:56am UTC](https://discourse.julialang.org/t/alternative-packages-for-nearest-neighbor-search/130446 "2025-07-09T09:56:07Z")

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If you know any other package with related functionality, please share in a comment: NearestNeighbors.jl NearestNeighborsDescent.jl Shrike.jl CellLists.jl

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## [Math notation](https://discourse.julialang.org/t/math-notation/130567)

<div class="topic-metadata">

**Author:** [@Lincoln\_Hannah](https://discourse.julialang.org/u/Lincoln_Hannah)\
**Replies:** 4\
**Last updated:** [July 9, 2025, 8:32am UTC](https://discourse.julialang.org/t/math-notation/130567 "2025-07-09T08:32:23Z")

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Could a set of uni-code characters (e.g. Greek letters) be set to be interpreted as individual variables even if they are next to other characters. α=2 δ=3 αδ #6 like 2δ gives 6 in Julia Would allow Julia code t…

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## [Scatter plot points visable even if behind a mesh plot](https://discourse.julialang.org/t/scatter-plot-points-visable-even-if-behind-a-mesh-plot/130569)

<div class="topic-metadata">

**Author:** [@Varun\_V](https://discourse.julialang.org/u/Varun_V)\
**Replies:** 1\
**Last updated:** [July 9, 2025, 8:00am UTC](https://discourse.julialang.org/t/scatter-plot-points-visable-even-if-behind-a-mesh-plot/130569 "2025-07-09T08:00:35Z")

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Hi everyone, I’m encountering different transparency behavior between CairoMakie and GLMakie when combining scatter plots with mesh plots. Expected behavior: scatter plot points behind a mesh should be hidden (like in …

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## [\[ANN\] Gettext.jl 1.0 (new and improved) — translating Julia software](https://discourse.julialang.org/t/ann-gettext-jl-1-0-new-and-improved-translating-julia-software/130566)

<div class="topic-metadata">

**Author:** [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Replies:** 0\
**Last updated:** [July 9, 2025, 4:55am UTC](https://discourse.julialang.org/t/ann-gettext-jl-1-0-new-and-improved-translating-julia-software/130566 "2025-07-09T04:55:53Z")

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Gettext.jl offers facilities for internationalization and localization (i18n and l10n) of software in the Julia programming language, using the standard gettext system. Essentially, Gettext allows the programmer to mark…

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## [How to have markers without fill color in Makie.jl?](https://discourse.julialang.org/t/how-to-have-markers-without-fill-color-in-makie-jl/88698)

<div class="topic-metadata">

**Author:** [@yhchang](https://discourse.julialang.org/u/yhchang)\
**Replies:** 4\
**Last updated:** [July 9, 2025, 4:38am UTC](https://discourse.julialang.org/t/how-to-have-markers-without-fill-color-in-makie-jl/88698 "2025-07-09T04:38:45Z")

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Is it possible to only retain the outer edge (has no color fill) of the common markers like :circle or :diamond when using scatter or scatterline in CairoMakie.jl?

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## [Benchmarking slow agents.jl code](https://discourse.julialang.org/t/benchmarking-slow-agents-jl-code/129871)

<div class="topic-metadata">

**Author:** [@geoffdougherty](https://discourse.julialang.org/u/geoffdougherty)\
**Replies:** 8\
**Last updated:** [July 9, 2025, 1:52am UTC](https://discourse.julialang.org/t/benchmarking-slow-agents-jl-code/129871 "2025-07-09T01:52:08Z")

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Hi, all. I am relatively new to Agents.jl and am noticing that my model is running quite slowly compared to similar models using other platforms. Following the performance advice in the Agents.jl documentation, I’d like …

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## [LaTeXParseError when trying to make plot title using LaTeXStrings](https://discourse.julialang.org/t/latexparseerror-when-trying-to-make-plot-title-using-latexstrings/130565)

<div class="topic-metadata">

**Author:** [@Michael\_Barmann](https://discourse.julialang.org/u/Michael_Barmann)\
**Replies:** 3\
**Last updated:** [July 8, 2025, 8:36pm UTC](https://discourse.julialang.org/t/latexparseerror-when-trying-to-make-plot-title-using-latexstrings/130565 "2025-07-08T20:36:52Z")

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I’m trying to create a LaTeXString title for a Makie plot that uses string interpolation, but I’m getting some weird behavior. Some of the LaTeXStrings that I’ve tried have worked, but others have not, and give me an err…

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## [Dash Julia: data panels for graphical data visualization](https://discourse.julialang.org/t/dash-julia-data-panels-for-graphical-data-visualization/129243)

<div class="topic-metadata">

**Author:** [@aasdelat](https://discourse.julialang.org/u/aasdelat)\
**Replies:** 6\
**Last updated:** [July 8, 2025, 3:47pm UTC](https://discourse.julialang.org/t/dash-julia-data-panels-for-graphical-data-visualization/129243 "2025-07-08T15:47:23Z")

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Hi, there: I have seen this announcement in the Dash library forum. It seems that they will retire the documentation for the Julia version of the Dash library. It seems that this is a setback for the Julia language. The…

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## [3d array Literal](https://discourse.julialang.org/t/3d-array-literal/35310)

<div class="topic-metadata">

**Author:** [@Sijun](https://discourse.julialang.org/u/Sijun)\
**Replies:** 6\
**Last updated:** [July 8, 2025, 3:41pm UTC](https://discourse.julialang.org/t/3d-array-literal/35310 "2025-07-08T15:41:51Z")

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In C, 3d array literal is written as int arr\[3\]\[3\]\[3\]= { { {11, 12, 13}, {14, 15, 16}, {17, 18, 19} }, { {21, 22, 23}, {24, 25, 26}, {27, 28, 29} }, { {31, 32, 33}, {…

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## [Using float64 with Makie attribute 'shininess' gives error](https://discourse.julialang.org/t/using-float64-with-makie-attribute-shininess-gives-error/130293)

<div class="topic-metadata">

**Author:** [@fruno](https://discourse.julialang.org/u/fruno)\
**Replies:** 4\
**Last updated:** [July 8, 2025, 2:35pm UTC](https://discourse.julialang.org/t/using-float64-with-makie-attribute-shininess-gives-error/130293 "2025-07-08T14:35:05Z")

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Hi, Since the update to Makie 0.24, shininess appears to require floats (Float32). For Makie 0.23 GLMakie supported doubles (Float64), but CairoMakie did not (for default versions of the backends). Now neither supports…

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## [Localization package - I18n - Resource Bundles](https://discourse.julialang.org/t/localization-package-i18n-resource-bundles/7150)

<div class="topic-metadata">

**Author:** [@klacru](https://discourse.julialang.org/u/klacru)\
**Replies:** 8\
**Last updated:** [July 8, 2025, 2:18pm UTC](https://discourse.julialang.org/t/localization-package-i18n-resource-bundles/7150 "2025-07-08T14:18:31Z")

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I want to propose the development of a new package, which covers the I18n topics. Recently I made a working prototype, which treats locales, resource bundles (these are the Java terms), and string translations like gett…

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## [Keeping \`textlabel\`s at a fixed size in Makie](https://discourse.julialang.org/t/keeping-textlabel-s-at-a-fixed-size-in-makie/130435)

<div class="topic-metadata">

**Author:** [@gdalle](https://discourse.julialang.org/u/gdalle)\
**Replies:** 8\
**Last updated:** [July 8, 2025, 1:12pm UTC](https://discourse.julialang.org/t/keeping-textlabel-s-at-a-fixed-size-in-makie/130435 "2025-07-08T13:12:16Z")

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I’m using Makie.jl to visualize pathfinding in mazes, like in the image below. The maze itself is rendered with Makie.image and the agents on top of it with Makie.textlabel, using a custom background shape. My issue…

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## [JuliaCon Local Paris 2025 - book your ticket / confirm your presentation!](https://discourse.julialang.org/t/juliacon-local-paris-2025-book-your-ticket-confirm-your-presentation/130558)

<div class="topic-metadata">

**Author:** [@gdalle](https://discourse.julialang.org/u/gdalle)\
**Replies:** 0\
**Last updated:** [July 8, 2025, 12:52pm UTC](https://discourse.julialang.org/t/juliacon-local-paris-2025-book-your-ticket-confirm-your-presentation/130558 "2025-07-08T12:52:13Z")

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Hi everyone, I know it’s summer already, but your favorite JuliaCon Local organizers are still working hard to plan an awesome conference in Paris this October! Meanwhile, here are some ideas to keep you busy on the bea…

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## [Package structure: where do you expect a new function?](https://discourse.julialang.org/t/package-structure-where-do-you-expect-a-new-function/130557)

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**Author:** [@mkoculak](https://discourse.julialang.org/u/mkoculak)\
**Replies:** 1\
**Last updated:** [July 8, 2025, 11:13am UTC](https://discourse.julialang.org/t/package-structure-where-do-you-expect-a-new-function/130557 "2025-07-08T11:13:33Z")

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While writing code in a package I try to stick to some general organisational principles to make the structure more predictable (even if its mostly for myself). One of them is the idea of functions doing only one thing w…

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## [SparseDiffTools - PolyesterForwardDiff Pre-allocation difficulties](https://discourse.julialang.org/t/sparsedifftools-polyesterforwarddiff-pre-allocation-difficulties/130292)

<div class="topic-metadata">

**Author:** [@cardoza2](https://discourse.julialang.org/u/cardoza2)\
**Replies:** 20\
**Last updated:** [July 8, 2025, 10:10am UTC](https://discourse.julialang.org/t/sparsedifftools-polyesterforwarddiff-pre-allocation-difficulties/130292 "2025-07-08T10:10:04Z")

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I’m trying to pre-allocate a cache to be used with SparseDiffTools and PolyesterForwardDiff, but I’m struggling to get a working example. My attempt is based off of the jacobian tests: difftype = ADTypes.AutoSparse(ADT…

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## [How do I extract the maximum likelihood point estimates from a Turing output chain](https://discourse.julialang.org/t/how-do-i-extract-the-maximum-likelihood-point-estimates-from-a-turing-output-chain/130537)

<div class="topic-metadata">

**Author:** [@Torkel](https://discourse.julialang.org/u/Torkel)\
**Replies:** 9\
**Last updated:** [July 8, 2025, 9:20am UTC](https://discourse.julialang.org/t/how-do-i-extract-the-maximum-likelihood-point-estimates-from-a-turing-output-chain/130537 "2025-07-08T09:20:54Z")

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I have a Turing output computed something like model = make\_model(data, ps) chain = sample(model, NUTS(), MCMCSerial(), n\_steps, n\_chains; progress = false); plot(chain) How do I extract the maximum likelihood point…

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## [Is the \`value\` field of \`QuoteNode\` public?](https://discourse.julialang.org/t/is-the-value-field-of-quotenode-public/130495)

<div class="topic-metadata">

**Author:** [@CameronBieganek](https://discourse.julialang.org/u/CameronBieganek)\
**Replies:** 1\
**Last updated:** [July 8, 2025, 9:12am UTC](https://discourse.julialang.org/t/is-the-value-field-of-quotenode-public/130495 "2025-07-08T09:12:20Z")

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Is the value field of a QuoteNode public? The docstring does not mention the value field. I just wrote the following function, but I’m not sure if using the value field means that I’m accessing internals. function is\_sy…

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## [Syntax for extracting keys from vector of pairs?](https://discourse.julialang.org/t/syntax-for-extracting-keys-from-vector-of-pairs/130063)

<div class="topic-metadata">

**Author:** [@g2g](https://discourse.julialang.org/u/g2g)\
**Replies:** 4\
**Last updated:** [June 20, 2025, 10:59pm UTC](https://discourse.julialang.org/t/syntax-for-extracting-keys-from-vector-of-pairs/130063 "2025-06-20T22:59:14Z")

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julia\> X 3-element Vector{Pair{String, Any}}: "water" =\> \[1 2\] "coffee" =\> \[3 4 5\] "tea" =\> \[6 7 8 9\] To extract the keys from X, the current syntax is first.(X). However, given that the syntax for extracting a c…

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## [Macro that construct function names and call them](https://discourse.julialang.org/t/macro-that-construct-function-names-and-call-them/130532)

<div class="topic-metadata">

**Author:** [@jsjie](https://discourse.julialang.org/u/jsjie)\
**Replies:** 6\
**Last updated:** [July 8, 2025, 1:45am UTC](https://discourse.julialang.org/t/macro-that-construct-function-names-and-call-them/130532 "2025-07-08T01:45:28Z")

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My actual usage is that I have a bunch of (~30) functions that performs similar but different operations depending on one argument. The most straight way to implement is: function do!(arg1, l) if l == 3 # d…

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## [How do you use Comonicon.jl?](https://discourse.julialang.org/t/how-do-you-use-comonicon-jl/45024)

<div class="topic-metadata">

**Author:** [@xiaodai](https://discourse.julialang.org/u/xiaodai)\
**Replies:** 4\
**Last updated:** [July 8, 2025, 12:27am UTC](https://discourse.julialang.org/t/how-do-you-use-comonicon-jl/45024 "2025-07-08T00:27:41Z")

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I am very confused by the instructions here https://rogerluo.me/Comonicon.jl/ I thought the Getting started should read Put these code into a Julia file.jl Run this some other code In bash run this other code; see tha…

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## [A Primal-Dual Global Optimization approach on the Cutting Stock Problem](https://discourse.julialang.org/t/a-primal-dual-global-optimization-approach-on-the-cutting-stock-problem/129686)

<div class="topic-metadata">

**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 18\
**Last updated:** [July 7, 2025, 10:38pm UTC](https://discourse.julialang.org/t/a-primal-dual-global-optimization-approach-on-the-cutting-stock-problem/129686 "2025-07-07T22:38:49Z")

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This doc reads a bit lengthy, because it uses complex data structures (maybe for visualization purposes). Therein it uses economic interpretation, which is hard to understand for me. Therefore, I explicitly wrote the…

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## [See progress in partialschur in ArnoldiMethod.jl](https://discourse.julialang.org/t/see-progress-in-partialschur-in-arnoldimethod-jl/130542)

<div class="topic-metadata">

**Author:** [@eveningsilverfox](https://discourse.julialang.org/u/eveningsilverfox)\
**Replies:** 0\
**Last updated:** [July 7, 2025, 6:54pm UTC](https://discourse.julialang.org/t/see-progress-in-partialschur-in-arnoldimethod-jl/130542 "2025-07-07T18:54:40Z")

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Is there any way to see the progress in partialschur? decomp, history = partialschur(LinearMap(x-\>Mapfunc(x,args), N), nev=1, which=:SR); Eval, Evec = partialeigen(decomp);

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## [Gridap.jl: Add tags to faces of 3D models](https://discourse.julialang.org/t/gridap-jl-add-tags-to-faces-of-3d-models/130526)

<div class="topic-metadata">

**Author:** [@Van\_Sy\_Tnut](https://discourse.julialang.org/u/Van_Sy_Tnut)\
**Replies:** 6\
**Last updated:** [July 7, 2025, 6:48pm UTC](https://discourse.julialang.org/t/gridap-jl-add-tags-to-faces-of-3d-models/130526 "2025-07-07T18:48:38Z")

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Hello everyone, I am new to Gridap.jl. I am creating a 3D model of a cantilever beam to apply a distributed load on the right face, and the left face is fixed. Do you know how to add tags to LEFT and RIGHT faces ? Her…

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