# Latest

**URL:** https://discourse.julialang.org/latest.md?page=567

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

**Page:** 568

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## [Question about Julia's goals](https://discourse.julialang.org/t/question-about-julias-goals/105226)

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**Author:** [@suncheso](https://discourse.julialang.org/u/suncheso)\
**Replies:** 41\
**Last updated:** [October 27, 2023, 3:22pm UTC](https://discourse.julialang.org/t/question-about-julias-goals/105226 "2023-10-27T15:22:35Z")

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Good day. I’m new to “Julia” and maybe overly excited. Any language evolves, it either moves away from the original idea or pupates and dies. For example, “Python” was originally a zen language, and now it is a plug in …

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## [How to see doc page of GitHub PR](https://discourse.julialang.org/t/how-to-see-doc-page-of-github-pr/105454)

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**Author:** [@Torkel](https://discourse.julialang.org/u/Torkel)\
**Replies:** 4\
**Last updated:** [October 27, 2023, 2:59pm UTC](https://discourse.julialang.org/t/how-to-see-doc-page-of-github-pr/105454 "2023-10-27T14:59:16Z")

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Have asked people this, but cannot find it anywhere using search functions. I have a PR to a Julia package hosted on GitHub (with documentation produced in, what I think is, the normal Julia way): General doc update by …

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## [Stdout appears as type instable](https://discourse.julialang.org/t/stdout-appears-as-type-instable/105481)

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**Author:** [@Shayan](https://discourse.julialang.org/u/Shayan)\
**Replies:** 6\
**Last updated:** [October 27, 2023, 2:28pm UTC](https://discourse.julialang.org/t/stdout-appears-as-type-instable/105481 "2023-10-27T14:28:59Z")

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I made the following progress bar, but according to @code\_warntype it is somewhat type instable. How can I make it type stable? function progressbar(ntimes::S, current::S) where S\<:Int val = current/ntimes val\_round…

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## [Julia can be better at doing web: A benchmark](https://discourse.julialang.org/t/julia-can-be-better-at-doing-web-a-benchmark/103300)

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**Author:** [@pankgeorg](https://discourse.julialang.org/u/pankgeorg)\
**Replies:** 27\
**Last updated:** [October 27, 2023, 2:23pm UTC](https://discourse.julialang.org/t/julia-can-be-better-at-doing-web-a-benchmark/103300 "2023-10-27T14:23:35Z")

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Disclaimer: that is, iff I haven’t written anything bad while authoring the benchmark below, (which is likely because I’m not sure what this means Server · HTTP.jl, and whether it’s “recommended” to do this another way).…

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## [\[Workgroup\] JuliaHealth Meeting -- October 27th, 2023](https://discourse.julialang.org/t/workgroup-juliahealth-meeting-october-27th-2023/105321)

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**Author:** [@TheCedarPrince](https://discourse.julialang.org/u/TheCedarPrince)\
**Replies:** 2\
**Last updated:** [October 27, 2023, 2:01pm UTC](https://discourse.julialang.org/t/workgroup-juliahealth-meeting-october-27th-2023/105321 "2023-10-27T14:01:50Z")

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Hi folks! :wave: It has been an exciting month in JuliaHealth land and am excited for this Friday’s monthly call! :smile: In particular @Jakub\_Mitura will be presenting some of their exciting work (currently added to Jul…

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## [Package install](https://discourse.julialang.org/t/package-install/105470)

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**Author:** [@Takelechanie](https://discourse.julialang.org/u/Takelechanie)\
**Replies:** 2\
**Last updated:** [October 27, 2023, 11:42am UTC](https://discourse.julialang.org/t/package-install/105470 "2023-10-27T11:42:45Z")

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Dear all, I installed “PointSpreadFunctions, View5D, IndexFunArrays, Noise, FFTW, NDTools, FourierTools, DeconvOptim” packages but I have gotten these errors in my code during compiling. ERROR: UndefVarError: conv\_psf …

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## [Ferrite.jl User & Developer Conference 2023](https://discourse.julialang.org/t/ferrite-jl-user-developer-conference-2023/100925)

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**Author:** [@fredrikekre](https://discourse.julialang.org/u/fredrikekre)\
**Replies:** 3\
**Last updated:** [October 27, 2023, 11:24am UTC](https://discourse.julialang.org/t/ferrite-jl-user-developer-conference-2023/100925 "2023-10-27T11:24:02Z")

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We are excited to announce the second edition of Ferrite.jl User & Developer Conference! This year we will meet at Ruhr University Bochum in Germany on October 6, 2023. Please have a look at the webpage for more details…

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## [Gram–Schmidt Orthogonalization with Julia](https://discourse.julialang.org/t/gram-schmidt-orthogonalization-with-julia/105473)

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**Author:** [@VinodV](https://discourse.julialang.org/u/VinodV)\
**Replies:** 2\
**Last updated:** [October 27, 2023, 9:40am UTC](https://discourse.julialang.org/t/gram-schmidt-orthogonalization-with-julia/105473 "2023-10-27T09:40:43Z")

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Hi friends, I have made a blog post here : Gram–Schmidt Orthogonalization with Julia - Julia Community 🟣. Can you give feedback related to efficiency, performace etc.

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## [How to find out the version of a package from its module](https://discourse.julialang.org/t/how-to-find-out-the-version-of-a-package-from-its-module/37755)

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**Author:** [@fingolfin](https://discourse.julialang.org/u/fingolfin)\
**Replies:** 16\
**Last updated:** [October 27, 2023, 9:29am UTC](https://discourse.julialang.org/t/how-to-find-out-the-version-of-a-package-from-its-module/37755 "2023-10-27T09:29:57Z")

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Suppose I just did using Foo. How do I find out the version of Foo.jl given the module Foo ? The only way I found was to know the UUID of the package and query Pkg. I am hoping I am just overlooking something simple? Id…

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## [How to define a TT-cross implementation using ITensors without usage of for loops](https://discourse.julialang.org/t/how-to-define-a-tt-cross-implementation-using-itensors-without-usage-of-for-loops/105472)

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**Author:** [@matinator](https://discourse.julialang.org/u/matinator)\
**Replies:** 0\
**Last updated:** [October 27, 2023, 8:58am UTC](https://discourse.julialang.org/t/how-to-define-a-tt-cross-implementation-using-itensors-without-usage-of-for-loops/105472 "2023-10-27T08:58:03Z")

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Hello everyone I was trying to define the following ket state from a paper which has the following equation: where \\varphi is a complex valued function, the only way I was able to produce this is by the usage of the …

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## [@code\_warntype result depending on compiled functions](https://discourse.julialang.org/t/code-warntype-result-depending-on-compiled-functions/105471)

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**Author:** [@Marco\_Lombardi](https://discourse.julialang.org/u/Marco_Lombardi)\
**Replies:** 0\
**Last updated:** [October 27, 2023, 8:55am UTC](https://discourse.julialang.org/t/code-warntype-result-depending-on-compiled-functions/105471 "2023-10-27T08:55:16Z")

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I am writing a fairly large project and I am trying to be very careful about type stability by checking all functions I write with @code\_warntype and the JET tests. Doing these tests, I found something very strange that …

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## [Appropriate warning for size using code\_warntype](https://discourse.julialang.org/t/appropriate-warning-for-size-using-code-warntype/105457)

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**Author:** [@Jake](https://discourse.julialang.org/u/Jake)\
**Replies:** 2\
**Last updated:** [October 27, 2023, 8:39am UTC](https://discourse.julialang.org/t/appropriate-warning-for-size-using-code-warntype/105457 "2023-10-27T08:39:12Z")

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I tried profiling some code using JET. When I used size() on a matrix of type Any, the warning came back that the output of the function size is of type Any. This confused me because I thought size could only output of…

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## [Remove whitespace between Axis3 and Label](https://discourse.julialang.org/t/remove-whitespace-between-axis3-and-label/105461)

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**Author:** [@AshtonSBradley](https://discourse.julialang.org/u/AshtonSBradley)\
**Replies:** 4\
**Last updated:** [October 27, 2023, 8:19am UTC](https://discourse.julialang.org/t/remove-whitespace-between-axis3-and-label/105461 "2023-10-27T08:19:28Z")

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I want to get my label closer to the axis. I have tried every combination of Axis3 and label options I can think of, and resizing the figure, but I haven’t improved on this. Is there a version of rowgap that could be use…

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## [MPIClusterManagers add more nodes interactive session](https://discourse.julialang.org/t/mpiclustermanagers-add-more-nodes-interactive-session/105465)

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**Author:** [@Ribeiro](https://discourse.julialang.org/u/Ribeiro)\
**Replies:** 0\
**Last updated:** [October 27, 2023, 6:37am UTC](https://discourse.julialang.org/t/mpiclustermanagers-add-more-nodes-interactive-session/105465 "2023-10-27T06:37:37Z")

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Hi, It seems possible to do: man = MPIWorkerManager(20); to get more MPI nodes in an interactive session with MPIClusterManagers.jl. However, I’d like to take nodes from other machines, similar to addprocs from Distri…

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## [How to improve the implementation of a function involving a numerical integration?](https://discourse.julialang.org/t/how-to-improve-the-implementation-of-a-function-involving-a-numerical-integration/105444)

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**Author:** [@lsablon](https://discourse.julialang.org/u/lsablon)\
**Replies:** 7\
**Last updated:** [October 27, 2023, 4:10am UTC](https://discourse.julialang.org/t/how-to-improve-the-implementation-of-a-function-involving-a-numerical-integration/105444 "2023-10-27T04:10:03Z")

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Hello, I am trying to optimize my code, but I don’t really know in which direction I should go (but I know I don’t want to use multithreading). Here is my goal: I want to implement the following function k\_\\perp(x,y;…

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## [Julia's deployment in a production environment (100k~200k QPS)](https://discourse.julialang.org/t/julias-deployment-in-a-production-environment-100k-200k-qps/105458)

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**Author:** [@perchouli](https://discourse.julialang.org/u/perchouli)\
**Replies:** 1\
**Last updated:** [October 27, 2023, 2:44am UTC](https://discourse.julialang.org/t/julias-deployment-in-a-production-environment-100k-200k-qps/105458 "2023-10-27T02:44:04Z")

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Two years ago we rewrote our original Java service with Julia and got no less performance than before, but we ran into some problems. Our system has Nginx as load balancing, which forwards requests to Julia (HTTP.jl) fo…

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## [I tried to solve julia executable VScode problem](https://discourse.julialang.org/t/i-tried-to-solve-julia-executable-vscode-problem/105455)

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**Author:** [@Redmusk888](https://discourse.julialang.org/u/Redmusk888)\
**Replies:** 2\
**Last updated:** [October 27, 2023, 12:23am UTC](https://discourse.julialang.org/t/i-tried-to-solve-julia-executable-vscode-problem/105455 "2023-10-27T00:23:09Z")

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1.I’m windows 11 2.i tried to solve julia executable problem so i follow the this page Could not start the julia language server in VS Code - Stack Overflow and it get worse…when i add LanguageServer package

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## [RFC: add a Type called AnyType that's subtyped by all other types except Any](https://discourse.julialang.org/t/rfc-add-a-type-called-anytype-thats-subtyped-by-all-other-types-except-any/93956)

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**Author:** [@nsajko](https://discourse.julialang.org/u/nsajko)\
**Replies:** 20\
**Last updated:** [October 26, 2023, 11:38pm UTC](https://discourse.julialang.org/t/rfc-add-a-type-called-anytype-thats-subtyped-by-all-other-types-except-any/93956 "2023-10-26T23:38:58Z")

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Add AnyType between Any and all other types Situation The discussions here on Discourse and on Github make it clear that there are disagreements and confusion within the Julia community (including both users and core mem…

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## [Strange behaviors in python and numpy](https://discourse.julialang.org/t/strange-behaviors-in-python-and-numpy/105325)

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**Author:** [@mkitti](https://discourse.julialang.org/u/mkitti)\
**Replies:** 18\
**Last updated:** [October 26, 2023, 9:54pm UTC](https://discourse.julialang.org/t/strange-behaviors-in-python-and-numpy/105325 "2023-10-26T21:54:45Z")

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Numpy just assumes that you want to do broadcasting here, so it just starts adding stuff to your numpy array. In \[1\]: import numpy as np In \[2\]: a = np.array(\[1,2,3\]) In \[3\]: sum(a,a) Out\[3\]: array(\[7, 8, 9\]) In \[4\]…

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## [Create data frame using values from vector as columns](https://discourse.julialang.org/t/create-data-frame-using-values-from-vector-as-columns/105416)

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**Author:** [@Sandy45](https://discourse.julialang.org/u/Sandy45)\
**Replies:** 6\
**Last updated:** [October 26, 2023, 9:00pm UTC](https://discourse.julialang.org/t/create-data-frame-using-values-from-vector-as-columns/105416 "2023-10-26T21:00:19Z")

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I have data frame which has column say “minutes” and I need to create another data frame using “minutes” as columns as shown below. I was able to create using reshape but values are being concatenated where I need them …

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## [\[ANN\] Announcing Quantica.jl](https://discourse.julialang.org/t/ann-announcing-quantica-jl/105190)

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**Author:** [@pablosanjose](https://discourse.julialang.org/u/pablosanjose)\
**Replies:** 5\
**Last updated:** [October 26, 2023, 6:55pm UTC](https://discourse.julialang.org/t/ann-announcing-quantica-jl/105190 "2023-10-26T18:55:23Z")

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After a long incubation time I’m happy to announce v1.0 of Quantica.jl, now registered. This package is a tool for physicists, mostly those interested in condensed matter and material science. It provides a terse API to…

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## [What are the ways to make GUI in Julia (review wanted)](https://discourse.julialang.org/t/what-are-the-ways-to-make-gui-in-julia-review-wanted/103369)

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**Author:** [@Eben60](https://discourse.julialang.org/u/Eben60)\
**Replies:** 10\
**Last updated:** [October 26, 2023, 5:13pm UTC](https://discourse.julialang.org/t/what-are-the-ways-to-make-gui-in-julia-review-wanted/103369 "2023-10-26T17:13:34Z")

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Continuing the discussion from What steps should the Julia community take to bring Julia to the next level of popularity? @frylock asked a question, which I wanted to ask too. I think, it is worth a separate topic.

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## [Registrator requiring compatibility of packages without versions](https://discourse.julialang.org/t/registrator-requiring-compatibility-of-packages-without-versions/105446)

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**Author:** [@Ignacio\_Loaiza](https://discourse.julialang.org/u/Ignacio_Loaiza)\
**Replies:** 1\
**Last updated:** [October 26, 2023, 4:57pm UTC](https://discourse.julialang.org/t/registrator-requiring-compatibility-of-packages-without-versions/105446 "2023-10-26T16:57:04Z")

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Hi everyone! I am trying to update a package that I have in the registry. However, the Registrator is giving me an issue with some packages not having dependencies in my Project.toml file. I am getting the following err…

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## [Model parameters not updating when using Flux.update with differential equation](https://discourse.julialang.org/t/model-parameters-not-updating-when-using-flux-update-with-differential-equation/105392)

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**Author:** [@arvindmohan](https://discourse.julialang.org/u/arvindmohan)\
**Replies:** 2\
**Last updated:** [October 26, 2023, 4:12pm UTC](https://discourse.julialang.org/t/model-parameters-not-updating-when-using-flux-update-with-differential-equation/105392 "2023-10-26T16:12:16Z")

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Here is a MWE, where I am learning a missing term in an equation by representing it with a neural network model. I can compute the gradients with Flux, but the model does not update after each epoch. using DifferentialE…

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## [How do I retrieve values using an array generator?](https://discourse.julialang.org/t/how-do-i-retrieve-values-using-an-array-generator/105421)

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**Author:** [@crustaccione](https://discourse.julialang.org/u/crustaccione)\
**Replies:** 11\
**Last updated:** [October 26, 2023, 3:45pm UTC](https://discourse.julialang.org/t/how-do-i-retrieve-values-using-an-array-generator/105421 "2023-10-26T15:45:02Z")

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I know how to create an array using array = \[x + y for x in 2:8, y in -1:3\] But I am trying to figure out how to retrieve elements of an array that the array generator creates e.g. array\_gen = (x + y for x in 2:8, y i…

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## [Required methods to sample a multivariate distribution](https://discourse.julialang.org/t/required-methods-to-sample-a-multivariate-distribution/105443)

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**Author:** [@lrnv](https://discourse.julialang.org/u/lrnv)\
**Replies:** 1\
**Last updated:** [October 26, 2023, 2:37pm UTC](https://discourse.julialang.org/t/required-methods-to-sample-a-multivariate-distribution/105443 "2023-10-26T14:37:29Z")

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Hey, I have a question, maybe you can answer me. Following this Distributions.jl documentation, when I define a multivariate distribution, I implement the two functions : function Distributions.\_rand!(rng::Distributio…

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## [Solving ODE with inheritance of initial condition with parallelization by threads](https://discourse.julialang.org/t/solving-ode-with-inheritance-of-initial-condition-with-parallelization-by-threads/105418)

<div class="topic-metadata">

**Author:** [@Sergey\_Novak](https://discourse.julialang.org/u/Sergey_Novak)\
**Replies:** 3\
**Last updated:** [October 26, 2023, 1:29pm UTC](https://discourse.julialang.org/t/solving-ode-with-inheritance-of-initial-condition-with-parallelization-by-threads/105418 "2023-10-26T13:29:05Z")

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Hello! I have an ODE and I need to perform inheritance of initial conditions when changing two parameters. I can do this without parallelizing threads, and everything works correctly. But when I start parallelizing, I g…

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## [Saving to a file during parallel computation](https://discourse.julialang.org/t/saving-to-a-file-during-parallel-computation/105425)

<div class="topic-metadata">

**Author:** [@Sergey\_Novak](https://discourse.julialang.org/u/Sergey_Novak)\
**Replies:** 17\
**Last updated:** [October 26, 2023, 1:17pm UTC](https://discourse.julialang.org/t/saving-to-a-file-during-parallel-computation/105425 "2023-10-26T13:17:17Z")

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Hello! I have a parallel program, and when I try to save data, I encounter the following error. Should I use channels when saving data to a file? Or is the problem solved in some other way? Thank you for your help Fra…

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## [Cannot update Julia package to newest versions](https://discourse.julialang.org/t/cannot-update-julia-package-to-newest-versions/105441)

<div class="topic-metadata">

**Author:** [@erasedbird](https://discourse.julialang.org/u/erasedbird)\
**Replies:** 3\
**Last updated:** [October 26, 2023, 12:36pm UTC](https://discourse.julialang.org/t/cannot-update-julia-package-to-newest-versions/105441 "2023-10-26T12:36:45Z")

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I am using Julia 1.9.2, and I’m trying to update CUDA from 4.0.1 to 4.4.0 and KernelAbstractions from 0.8.7 to 0.9.8. I’ve tried the following in Pkg mode: Using up (no changes to Project.toml and Manifest.toml, nothin…

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## [How to force an object to be freed by the garbage collector](https://discourse.julialang.org/t/how-to-force-an-object-to-be-freed-by-the-garbage-collector/77985)

<div class="topic-metadata">

**Author:** [@Joris\_Pinkse](https://discourse.julialang.org/u/Joris_Pinkse)\
**Replies:** 19\
**Last updated:** [October 26, 2023, 12:11pm UTC](https://discourse.julialang.org/t/how-to-force-an-object-to-be-freed-by-the-garbage-collector/77985 "2023-10-26T12:11:44Z")

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From this very old post (https://groups.google.com/g/julia-users/c/QkChqeKnd9g/m/cqltIs5doQoJ) I was led to believe that the call to gc below would free the memory allocated by X, but it doesn’t. How could I force the r…

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