# Latest

**URL:** https://discourse.julialang.org/latest.md?page=505

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

**Page:** 506

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## [How to translate and scale Makie.image?](https://discourse.julialang.org/t/how-to-translate-and-scale-makie-image/108741)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 5\
**Last updated:** [January 19, 2024, 6:02pm UTC](https://discourse.julialang.org/t/how-to-translate-and-scale-makie-image/108741 "2024-01-19T18:02:47Z")

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Makie.image plots a set of pixels efficiently, assuming that the image starts at the origin (0,0) and that the pixels are of size 1x1. We tried to apply Makie.scale! and Makie.translate! to the result of Makie.image to …

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## [Strange bug in compiled binaries about SuiteSparse](https://discourse.julialang.org/t/strange-bug-in-compiled-binaries-about-suitesparse/108027)

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**Author:** [@jsjie](https://discourse.julialang.org/u/jsjie)\
**Replies:** 3\
**Last updated:** [January 19, 2024, 4:27pm UTC](https://discourse.julialang.org/t/strange-bug-in-compiled-binaries-about-suitesparse/108027 "2024-01-19T16:27:19Z")

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I’m still trying to find a MWE. But let me describe some facts that I’ve figured out. Our code, compiled on Dec 14th, works well. However, when compiled on Dec 23rd, the binary will output the following when running: ┌…

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## [Maliar, Maliar, and Winant using Flux.jl (I just want to write a custom objective)](https://discourse.julialang.org/t/maliar-maliar-and-winant-using-flux-jl-i-just-want-to-write-a-custom-objective/107993)

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**Author:** [@JHall](https://discourse.julialang.org/u/JHall)\
**Replies:** 8\
**Last updated:** [January 19, 2024, 4:02pm UTC](https://discourse.julialang.org/t/maliar-maliar-and-winant-using-flux-jl-i-just-want-to-write-a-custom-objective/107993 "2024-01-19T16:02:24Z")

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Hi all, I am trying to translate the code that you can find here from Python into Julia. Everything works swimmingly until I get to the end of the code where I have to do the training section. I am using Flux.jl, and …

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## [Postdoc position in molecular dynamics lab in Cambridge, UK](https://discourse.julialang.org/t/postdoc-position-in-molecular-dynamics-lab-in-cambridge-uk/109010)

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**Author:** [@jgreener64](https://discourse.julialang.org/u/jgreener64)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 2:46pm UTC](https://discourse.julialang.org/t/postdoc-position-in-molecular-dynamics-lab-in-cambridge-uk/109010 "2024-01-19T14:46:45Z")

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I am developing my research group at the MRC Laboratory of Molecular Biology in Cambridge UK and have a postdoc position to advertise. The lab will aim to develop a universal biomolecular force field for molecular simul…

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## [MQTT Package?](https://discourse.julialang.org/t/mqtt-package/83148)

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**Author:** [@sampope](https://discourse.julialang.org/u/sampope)\
**Replies:** 6\
**Last updated:** [January 19, 2024, 2:14pm UTC](https://discourse.julialang.org/t/mqtt-package/83148 "2024-01-19T14:14:26Z")

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Hi, I need to interact with a MQTT broker service. JuliaHub lists no packages for MQTT itself. I found MQTT.jl on github from 4 years ago. However it doesn’t compile as a package. and it doesn’t run well at all. I start…

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## [Zygote silently fails on CircularArrays.jl](https://discourse.julialang.org/t/zygote-silently-fails-on-circulararrays-jl/87321)

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**Author:** [@trakjohnson](https://discourse.julialang.org/u/trakjohnson)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 12:54pm UTC](https://discourse.julialang.org/t/zygote-silently-fails-on-circulararrays-jl/87321 "2024-01-19T12:54:15Z")

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It seems that Zygote silently fails when differentiating a function that takes and outputs CircularArrays, using a Zygote.Buffer to allow mutation. Here’s a comparison with ForwardDiff: using Zygote, ForwardDiff, Circul…

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## [No strict ticks found message](https://discourse.julialang.org/t/no-strict-ticks-found-message/45217)

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**Author:** [@HelgavonLichtenstein](https://discourse.julialang.org/u/HelgavonLichtenstein)\
**Replies:** 13\
**Last updated:** [January 19, 2024, 10:58am UTC](https://discourse.julialang.org/t/no-strict-ticks-found-message/45217 "2024-01-19T10:58:23Z")

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I was plotting and realised a message was popping up in the REPL. I am using Julia 1.5 in Atom and StatsPlots.jl and Plot.jl. Any idea what is causing it? Warning: No strict ticks found └ @ PlotUtils C:\\Users\\Helga\\.ju…

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## [LU factorization and non-square matrices](https://discourse.julialang.org/t/lu-factorization-and-non-square-matrices/108834)

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**Author:** [@sijo](https://discourse.julialang.org/u/sijo)\
**Replies:** 6\
**Last updated:** [January 19, 2024, 10:23am UTC](https://discourse.julialang.org/t/lu-factorization-and-non-square-matrices/108834 "2024-01-19T10:23:09Z")

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The documentation for \\ says For non-triangular square matrices, an LU factorization is used. For rectangular A the result is the minimum-norm least squares solution computed by a pivoted QR factorization of A and a r…

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## [Documenter is warning of "duplicated docs", but it isn't?](https://discourse.julialang.org/t/documenter-is-warning-of-duplicated-docs-but-it-isnt/109004)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 10:18am UTC](https://discourse.julialang.org/t/documenter-is-warning-of-duplicated-docs-but-it-isnt/109004 "2024-01-19T10:18:43Z")

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For any (sub-)module of my package, I want a documentation page with: High-level documentation of the module Index of the exported functions Detailed doc of each exported function I currently implement the page source…

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## [How do I model a combination of polynomial and SOC constraints?](https://discourse.julialang.org/t/how-do-i-model-a-combination-of-polynomial-and-soc-constraints/108968)

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**Author:** [@Khr](https://discourse.julialang.org/u/Khr)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 10:11am UTC](https://discourse.julialang.org/t/how-do-i-model-a-combination-of-polynomial-and-soc-constraints/108968 "2024-01-19T10:11:02Z")

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I have a problem consisting of both polynomial constraints (using the PolyJuMP), with nonnegativity requirements on a certain domain, which should be able to be handled using the SumOfSquares package and several second-o…

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## [Unexpected behavior of objective\_value with quadratic objective and semidefinite constraint](https://discourse.julialang.org/t/unexpected-behavior-of-objective-value-with-quadratic-objective-and-semidefinite-constraint/107211)

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**Author:** [@ryancorywright](https://discourse.julialang.org/u/ryancorywright)\
**Replies:** 5\
**Last updated:** [January 19, 2024, 10:05am UTC](https://discourse.julialang.org/t/unexpected-behavior-of-objective-value-with-quadratic-objective-and-semidefinite-constraint/107211 "2024-01-19T10:05:45Z")

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When solving a convex quadratic optimization problem with semidefinite constraints in Mosek, the objective\_value function appears to be returning an objective value that is off by a constant. Minimal working example: wh…

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## [Cryptography and Julia](https://discourse.julialang.org/t/cryptography-and-julia/4868)

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**Author:** [@sambitdash](https://discourse.julialang.org/u/sambitdash)\
**Replies:** 4\
**Last updated:** [January 19, 2024, 9:47am UTC](https://discourse.julialang.org/t/cryptography-and-julia/4868 "2024-01-19T09:47:33Z")

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Hi All, Is there any thoughts provided in supporting Cryptographic functions in Julia? I did not see any native crytographic API for Julia, hence wondered if there is any in the roadmap currently. The largest concern wi…

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## [Help debugging Runtime error 1](https://discourse.julialang.org/t/help-debugging-runtime-error-1/108931)

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**Author:** [@nomadbl](https://discourse.julialang.org/u/nomadbl)\
**Replies:** 7\
**Last updated:** [January 19, 2024, 8:27am UTC](https://discourse.julialang.org/t/help-debugging-runtime-error-1/108931 "2024-01-19T08:27:48Z")

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I wrote an implementation of im2col kernel to use with a custom convolution-like operation on GPU with CUDA.jl. After testing it for correctness (comparing with the NNlib cpu implementation), I am trying to use it in my…

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## [\`include\` can also track the change of the file?](https://discourse.julialang.org/t/include-can-also-track-the-change-of-the-file/108971)

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**Author:** [@WuSiren](https://discourse.julialang.org/u/WuSiren)\
**Replies:** 4\
**Last updated:** [January 19, 2024, 8:04am UTC](https://discourse.julialang.org/t/include-can-also-track-the-change-of-the-file/108971 "2024-01-19T08:04:36Z")

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I found it seems that just include instead includet a file can also track the change of this file. Is this a new feature of julia or Revise.jl?

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## [Package with large artifacts - CI runners out of disk space](https://discourse.julialang.org/t/package-with-large-artifacts-ci-runners-out-of-disk-space/108964)

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**Author:** [@pat-alt](https://discourse.julialang.org/u/pat-alt)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 6:52am UTC](https://discourse.julialang.org/t/package-with-large-artifacts-ci-runners-out-of-disk-space/108964 "2024-01-19T06:52:38Z")

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Hi there, I’m working on a package that makes a new financial dataset, model and model activations available. The latter are quite big and I’m trying to make them available as Arrow files through artifacts (see here). U…

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## [Windows Developer Mode and Julia](https://discourse.julialang.org/t/windows-developer-mode-and-julia/108937)

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**Author:** [@mkitti](https://discourse.julialang.org/u/mkitti)\
**Replies:** 4\
**Last updated:** [January 19, 2024, 6:21am UTC](https://discourse.julialang.org/t/windows-developer-mode-and-julia/108937 "2024-01-19T06:21:13Z")

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Microsoft Windows has a relatively new Developer Mode that has some impact on how Julia is used and functions on that platform. One effect of Developer Mode is enabling symbolic links. Symbolic links are fancy shortc…

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## [JSON to string transposing problem](https://discourse.julialang.org/t/json-to-string-transposing-problem/108967)

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**Author:** [@Pascal\_Buhler](https://discourse.julialang.org/u/Pascal_Buhler)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 6:13am UTC](https://discourse.julialang.org/t/json-to-string-transposing-problem/108967 "2024-01-19T06:13:07Z")

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i have this code and it gives me always a {} error. after this i wanna publish the code to string over a mqtt client. LED = JSON.parse({"type": "led-ring", "payload": {"mode": 1, "duration": 10000, "speed": 100, "bright…

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## [MethodOfLines](https://discourse.julialang.org/t/methodoflines/108387)

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**Author:** [@Naceur\_Bouziani](https://discourse.julialang.org/u/Naceur_Bouziani)\
**Replies:** 8\
**Last updated:** [January 19, 2024, 5:58am UTC](https://discourse.julialang.org/t/methodoflines/108387 "2024-01-19T05:58:30Z")

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Hi Everybody & happy new year to all :slight\_smile: Happy new year Alex and Chris :slight\_smile: I installed the new version of Julia 1.10. I was surprised by not usual error in MethodOfLines package … so I uninstalled…

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## [Package to extract jll(s) and/or artifact(s) to use as CLI program](https://discourse.julialang.org/t/package-to-extract-jll-s-and-or-artifact-s-to-use-as-cli-program/108989)

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**Author:** [@bdk](https://discourse.julialang.org/u/bdk)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 4:15am UTC](https://discourse.julialang.org/t/package-to-extract-jll-s-and-or-artifact-s-to-use-as-cli-program/108989 "2024-01-19T04:15:20Z")

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I swear I once came across a package which which would extract julia artifacts (jll?) into a standalone unit. But I can’t remember the name to find it. Am I dreaming this? As I recall, it could either symlink the deps f…

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## [Encountering Precompilation Error Messages When Adding NeuralPDE Package in Julia](https://discourse.julialang.org/t/encountering-precompilation-error-messages-when-adding-neuralpde-package-in-julia/108623)

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**Author:** [@Edylennyy\_Edy](https://discourse.julialang.org/u/Edylennyy_Edy)\
**Replies:** 3\
**Last updated:** [January 19, 2024, 3:40am UTC](https://discourse.julialang.org/t/encountering-precompilation-error-messages-when-adding-neuralpde-package-in-julia/108623 "2024-01-19T03:40:32Z")

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I’m currently working on a Julia project where I need to use the NeuralPDE package. However, when I try to add and precompile this package, I’m encountering several error messages related to dependencies. Here’s a summar…

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## [Unexpected simulation behaviour of Geometric Brownian Motion with SciML](https://discourse.julialang.org/t/unexpected-simulation-behaviour-of-geometric-brownian-motion-with-sciml/108870)

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**Author:** [@VincentW](https://discourse.julialang.org/u/VincentW)\
**Replies:** 1\
**Last updated:** [January 19, 2024, 3:32am UTC](https://discourse.julialang.org/t/unexpected-simulation-behaviour-of-geometric-brownian-motion-with-sciml/108870 "2024-01-19T03:32:24Z")

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Hey, I wanted to simulate a geometric Brownian Motion of the form GBB(t)=\\exp\\left(\\beta t+\\delta B(t)\\right), where B(t) is just some standard Brownian Motion. Or expressed as a SDE, I want to simulate the solution …

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## [GLMakie crashes during build on Google Colab](https://discourse.julialang.org/t/glmakie-crashes-during-build-on-google-colab/108987)

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**Author:** [@pxshen](https://discourse.julialang.org/u/pxshen)\
**Replies:** 5\
**Last updated:** [January 19, 2024, 1:07am UTC](https://discourse.julialang.org/t/glmakie-crashes-during-build-on-google-colab/108987 "2024-01-19T01:07:52Z")

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GLMakie fails to build on Google Colab notebook: Precompiling GLMakie ✗ GLFW\_jll ✗ GLFW Info Given GLMakie was explicitly requested, output will be shown live ERROR: LoadError: InitError: could not load library “/ro…

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## [How to list all the functions and types in Base?](https://discourse.julialang.org/t/how-to-list-all-the-functions-and-types-in-base/108756)

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**Author:** [@jiang\_ming\_zhang](https://discourse.julialang.org/u/jiang_ming_zhang)\
**Replies:** 7\
**Last updated:** [January 19, 2024, 2:18am UTC](https://discourse.julialang.org/t/how-to-list-all-the-functions-and-types-in-base/108756 "2024-01-19T02:18:56Z")

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I want a complete list of functions in the Base module. What should I do?

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## [Can Julia execute WASM IR](https://discourse.julialang.org/t/can-julia-execute-wasm-ir/108972)

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**Author:** [@Glen1](https://discourse.julialang.org/u/Glen1)\
**Replies:** 2\
**Last updated:** [January 19, 2024, 2:11am UTC](https://discourse.julialang.org/t/can-julia-execute-wasm-ir/108972 "2024-01-19T02:11:38Z")

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There are plenty of comments about converting the entire Julia process into a WASM process, but is there any way to load and execute WASM IR in a julia environment. I’m looking to develop a function in Rust, convert to …

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## [Where do I get/generate exercises for using Julia packages?](https://discourse.julialang.org/t/where-do-i-get-generate-exercises-for-using-julia-packages/108990)

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**Author:** [@Tarny\_GG\_Channie](https://discourse.julialang.org/u/Tarny_GG_Channie)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 12:10am UTC](https://discourse.julialang.org/t/where-do-i-get-generate-exercises-for-using-julia-packages/108990 "2024-01-19T00:10:36Z")

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I’ve learned to use JuMP and Transducer in Julia by accident because I had problems that I had to solve that served as exercises for me. However, unlike Tensorflow, PyTorch, there is no exercise for Flux, getting started…

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## [Make Predictive Glacier Forward Model Compatible with Dual Numbers](https://discourse.julialang.org/t/make-predictive-glacier-forward-model-compatible-with-dual-numbers/108977)

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**Author:** [@vivekag7](https://discourse.julialang.org/u/vivekag7)\
**Replies:** 3\
**Last updated:** [January 18, 2024, 10:49pm UTC](https://discourse.julialang.org/t/make-predictive-glacier-forward-model-compatible-with-dual-numbers/108977 "2024-01-18T22:49:55Z")

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Hi Julia Community, I have an in place predictive model for glaciers, which is well tested and works perfectly fine with any \<:AbstractFloat. Now what I would like to do is make this model compatible with ForwardDiff.D…

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## [Is FemtoLisp just for fun now?](https://discourse.julialang.org/t/is-femtolisp-just-for-fun-now/108838)

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**Author:** [@LeePhillips](https://discourse.julialang.org/u/LeePhillips)\
**Replies:** 16\
**Last updated:** [January 17, 2024, 4:36pm UTC](https://discourse.julialang.org/t/is-femtolisp-just-for-fun-now/108838 "2024-01-17T16:36:35Z")

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Now in v1.10 the parser is written in Julia, but we can still enjoy the FemtoLisp REPL with the --lisp flag. Is FemtoLisp purely an Easter egg now? Or does it do anything?

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## [\[PSA\] Custom default backends for Plots.jl broken on julia 1.10](https://discourse.julialang.org/t/psa-custom-default-backends-for-plots-jl-broken-on-julia-1-10/108979)

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**Author:** [@BeastyBlacksmith](https://discourse.julialang.org/u/BeastyBlacksmith)\
**Replies:** 2\
**Last updated:** [January 18, 2024, 7:57pm UTC](https://discourse.julialang.org/t/psa-custom-default-backends-for-plots-jl-broken-on-julia-1-10/108979 "2024-01-18T19:57:34Z")

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Julia 1.10 turned loading packages that are not direct dependencies at precompile time into an error. Historically Plots.jl relied on some sketchy code loading practices to make the multiple backend story workable. That…

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## [Casting struct into an apparently identical type](https://discourse.julialang.org/t/casting-struct-into-an-apparently-identical-type/108980)

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**Author:** [@mike.ingold](https://discourse.julialang.org/u/mike.ingold)\
**Replies:** 2\
**Last updated:** [January 18, 2024, 6:55pm UTC](https://discourse.julialang.org/t/casting-struct-into-an-apparently-identical-type/108980 "2024-01-18T18:55:23Z")

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Is it possible (even if hacky and not advisable) to do something like the following? Forewarning: this is a contrived example that just happens to work as an MWE exercise for my use case. Let Foo be some type whose defi…

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## [Compilation time with \`@time\` wrong with multi-threading?](https://discourse.julialang.org/t/compilation-time-with-time-wrong-with-multi-threading/108978)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 3\
**Last updated:** [January 18, 2024, 6:45pm UTC](https://discourse.julialang.org/t/compilation-time-with-time-wrong-with-multi-threading/108978 "2024-01-18T18:45:58Z")

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It seems that compilation time is not properly computed when a function is run multi-threaded, apparently increasing with the number of threads. For example, take the standard sum example of the docs: julia\> function su…

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