# Latest

**URL:** https://discourse.julialang.org/latest.md?page=897

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

**Page:** 898

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## [\[Help needed\] Translate 10 lines from Maple to Julia](https://discourse.julialang.org/t/help-needed-translate-10-lines-from-maple-to-julia/60650)

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**Author:** [@lrnv](https://discourse.julialang.org/u/lrnv)\
**Replies:** 6\
**Last updated:** [October 12, 2022, 6:31pm UTC](https://discourse.julialang.org/t/help-needed-translate-10-lines-from-maple-to-julia/60650 "2022-10-12T18:31:48Z")

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Hey, I have a somewhat weird request: I do not speak Maple at all, but i need to translate the 10 lines of code from this document, to be able to use the function ks() that they created on page 2. Notes on underlying ot…

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## [Packages all Julians should know about?](https://discourse.julialang.org/t/packages-all-julians-should-know-about/88099)

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**Author:** [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Replies:** 18\
**Last updated:** [October 12, 2022, 5:32pm UTC](https://discourse.julialang.org/t/packages-all-julians-should-know-about/88099 "2022-10-12T17:32:20Z")

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What are packages all Julian users should know about regardless of their area of application because they make using Julia easier? Here is a list of a few I know of. Revise (makes your repl immediately aware of edits …

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## [Parameter Fitting in Turing](https://discourse.julialang.org/t/parameter-fitting-in-turing/88412)

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**Author:** [@astro-kevin](https://discourse.julialang.org/u/astro-kevin)\
**Replies:** 15\
**Last updated:** [October 12, 2022, 4:56pm UTC](https://discourse.julialang.org/t/parameter-fitting-in-turing/88412 "2022-10-12T16:56:18Z")

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I am trying to run an MCMC to find the posterior of parameters of my model using Turing. The setup I have currently is the model itself, and a randomly sampled dataset I run through the model to yield values from the mod…

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## [MLFlow Integration](https://discourse.julialang.org/t/mlflow-integration/88320)

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**Author:** [@Nosferican](https://discourse.julialang.org/u/Nosferican)\
**Replies:** 3\
**Last updated:** [October 12, 2022, 4:48pm UTC](https://discourse.julialang.org/t/mlflow-integration/88320 "2022-10-12T16:48:10Z")

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I found this project and was wondering if anyone is familiar with it and whether any Julia ML framework had plans to provide integration with it.

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## [Tips for refactoring code](https://discourse.julialang.org/t/tips-for-refactoring-code/24353)

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**Author:** [@DrChainsaw](https://discourse.julialang.org/u/DrChainsaw)\
**Replies:** 13\
**Last updated:** [October 12, 2022, 4:42pm UTC](https://discourse.julialang.org/t/tips-for-refactoring-code/24353 "2022-10-12T16:42:09Z")

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Hi, I wonder if there are any good ways to refactor julia code (or workflows which reduces the labour)? I’m trying to do TDD but with my current setup I need to update at least three files even for a trivial thing like…

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## [Senior Scientist in Preclinical Development @ Merck](https://discourse.julialang.org/t/senior-scientist-in-preclinical-development-merck/88632)

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**Author:** [@thevolatilebit](https://discourse.julialang.org/u/thevolatilebit)\
**Replies:** 0\
**Last updated:** [October 12, 2022, 4:19pm UTC](https://discourse.julialang.org/t/senior-scientist-in-preclinical-development-merck/88632 "2022-10-12T16:19:37Z")

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While the ad doesn’t mention Julia, a successful candidate will (very likely) work on a disruptive project dev’ed in Julia - not to mention broad adoption of Julia. Senior Scientist, Data Science

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## [Getting issue in optim.optimize function while bayesian estimating parameters of stochastic differential equation](https://discourse.julialang.org/t/getting-issue-in-optim-optimize-function-while-bayesian-estimating-parameters-of-stochastic-differential-equation/88628)

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**Author:** [@Virendra\_Sheoran](https://discourse.julialang.org/u/Virendra_Sheoran)\
**Replies:** 1\
**Last updated:** [October 12, 2022, 4:16pm UTC](https://discourse.julialang.org/t/getting-issue-in-optim-optimize-function-while-bayesian-estimating-parameters-of-stochastic-differential-equation/88628 "2022-10-12T16:16:22Z")

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using Turing using DifferentialEquations using OrdinaryDiffEq, DiffEqParamEstim, JuMP, NLopt, Plots Load StatsPlots for visualizations and diagnostics. using StatsPlots using LinearAlgebra using DiffEqParamEstim us…

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## [New versions of MATLAB causing immediate segfaults when calling the engine within Julia (library conflict?)](https://discourse.julialang.org/t/new-versions-of-matlab-causing-immediate-segfaults-when-calling-the-engine-within-julia-library-conflict/88298)

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**Author:** [@musm](https://discourse.julialang.org/u/musm)\
**Replies:** 1\
**Last updated:** [October 12, 2022, 3:51pm UTC](https://discourse.julialang.org/t/new-versions-of-matlab-causing-immediate-segfaults-when-calling-the-engine-within-julia-library-conflict/88298 "2022-10-12T15:51:54Z")

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I would appreciate any help trying to resolve the following issue: segfault with Matlab 2022a on Windows · Issue #200 · JuliaInterop/MATLAB.jl (github.com) NOTE: C:\\Program Files\\MATLAB\\R2022b\\bin\\win64 contains a l…

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## [How get only numbers from a string](https://discourse.julialang.org/t/how-get-only-numbers-from-a-string/61524)

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**Author:** [@Rafael\_Brus](https://discourse.julialang.org/u/Rafael_Brus)\
**Replies:** 8\
**Last updated:** [October 12, 2022, 2:44pm UTC](https://discourse.julialang.org/t/how-get-only-numbers-from-a-string/61524 "2022-10-12T14:44:36Z")

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I need get only numbers caracters from string a = \["00023'4", "@00452a", "456ad52"\]

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## [Mono spaced font in Glade GtkEntry widget](https://discourse.julialang.org/t/mono-spaced-font-in-glade-gtkentry-widget/88626)

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**Author:** [@ArchieCall](https://discourse.julialang.org/u/ArchieCall)\
**Replies:** 0\
**Last updated:** [October 12, 2022, 3:04pm UTC](https://discourse.julialang.org/t/mono-spaced-font-in-glade-gtkentry-widget/88626 "2022-10-12T15:04:05Z")

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I am using Glade to make the form for a GtkEntry widget. I have it properly working in Julia to accept user input from GtkEntry widgets. My question is what setting will make the entered text appear in a mono spaced fon…

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## [DNSError not recognized with HTTP Package installed](https://discourse.julialang.org/t/dnserror-not-recognized-with-http-package-installed/88557)

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**Author:** [@Name1](https://discourse.julialang.org/u/Name1)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 2:45pm UTC](https://discourse.julialang.org/t/dnserror-not-recognized-with-http-package-installed/88557 "2022-10-12T14:45:08Z")

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Hello, try response = HTTP.request( "GET", "https://invalid-url.com.au", \["Content-Type" =\> "application/json"\]; require\_ssl\_verification=false, …

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## [How do I see what's inside a function?](https://discourse.julialang.org/t/how-do-i-see-whats-inside-a-function/88599)

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**Author:** [@chadagreene](https://discourse.julialang.org/u/chadagreene)\
**Replies:** 9\
**Last updated:** [October 12, 2022, 2:27pm UTC](https://discourse.julialang.org/t/how-do-i-see-whats-inside-a-function/88599 "2022-10-12T14:27:51Z")

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I know I can define a function like foo(a,b) = a + b Now suppose after defining foo I go eat lunch, and when I come back to my computer I’ve already forgotten what foo does. How do I look inside foo to see the a + b c…

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## [Error: Unable to automatically install 'FFTW' from the respective Artifacts.toml file](https://discourse.julialang.org/t/error-unable-to-automatically-install-fftw-from-the-respective-artifacts-toml-file/88274)

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**Author:** [@Sai\_Sandeep](https://discourse.julialang.org/u/Sai_Sandeep)\
**Replies:** 20\
**Last updated:** [October 12, 2022, 1:45pm UTC](https://discourse.julialang.org/t/error-unable-to-automatically-install-fftw-from-the-respective-artifacts-toml-file/88274 "2022-10-12T13:45:56Z")

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Hi, I have been using Julia for quite a long time but, I may be still new to some topics, so bear with me if I don’t make sense. I have been using Julia as my programming language for a project, for a part which I ha…

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## [How to reduce redundancy in a list inside a DataFrame](https://discourse.julialang.org/t/how-to-reduce-redundancy-in-a-list-inside-a-dataframe/88585)

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**Author:** [@Juan\_Mac\_Donagh](https://discourse.julialang.org/u/Juan_Mac_Donagh)\
**Replies:** 9\
**Last updated:** [October 12, 2022, 1:20pm UTC](https://discourse.julialang.org/t/how-to-reduce-redundancy-in-a-list-inside-a-dataframe/88585 "2022-10-12T13:20:29Z")

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Hi all. I have two questions, one very basic and one not so basic. I have a DataFrame that looks like this: df = DataFrame(\[\]) df.list = \[\[1,2,3,6,12,13,14\],\[20,21,23,24,50\],\[1,3,5,7,10,11,12,13\]\] And I need to gener…

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## [Outdated gitlab CI information](https://discourse.julialang.org/t/outdated-gitlab-ci-information/88621)

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**Author:** [@jonathanBieler](https://discourse.julialang.org/u/jonathanBieler)\
**Replies:** 0\
**Last updated:** [October 12, 2022, 1:04pm UTC](https://discourse.julialang.org/t/outdated-gitlab-ci-information/88621 "2022-10-12T13:04:19Z")

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The first result I get for “julia gitlab CI” is : Which seems to be outdated (Julia v0.7 & Pkg.clone). If someone has time it would be good to update it. It’s probably best to use PkgTemplates.jl with the GitLabCI pl…

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## [Using Plots fails (partially solved but mysterious)](https://discourse.julialang.org/t/using-plots-fails-partially-solved-but-mysterious/76120)

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**Author:** [@tomerarnon](https://discourse.julialang.org/u/tomerarnon)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 1:07pm UTC](https://discourse.julialang.org/t/using-plots-fails-partially-solved-but-mysterious/76120 "2022-10-12T13:07:45Z")

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With Julia 1.7 on ubuntu, and with the latest Plots release, running using Plots yields the error: ERROR: InitError: could not load library "/home/users/tarnon/.julia/artifacts/b069ad81d556658ea64a543367e128e535fab269/…

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## [Help needed for improving the performance of a simple table-lookup-function (~hashing) in a chess-engine](https://discourse.julialang.org/t/help-needed-for-improving-the-performance-of-a-simple-table-lookup-function-hashing-in-a-chess-engine/88590)

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**Author:** [@fins](https://discourse.julialang.org/u/fins)\
**Replies:** 22\
**Last updated:** [October 12, 2022, 12:47pm UTC](https://discourse.julialang.org/t/help-needed-for-improving-the-performance-of-a-simple-table-lookup-function-hashing-in-a-chess-engine/88590 "2022-10-12T12:47:39Z")

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Hi, I’m in the process of migrating my basic chess-engine from java to julia. As I’m still very new to julia, I decided to start evaluating some design choices early to increase learning-opportunities. In particular, I…

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## [How to display UInt in decimal instead of hexadecimal](https://discourse.julialang.org/t/how-to-display-uint-in-decimal-instead-of-hexadecimal/25756)

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**Author:** [@Robert\_Honig](https://discourse.julialang.org/u/Robert_Honig)\
**Replies:** 6\
**Last updated:** [October 12, 2022, 12:23pm UTC](https://discourse.julialang.org/t/how-to-display-uint-in-decimal-instead-of-hexadecimal/25756 "2022-10-12T12:23:36Z")

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So far, whenever I had to work with UInt variables, I wanted to see their value in decimal. Unfortunately, the REPL displays UInt values in hexadecimal: julia\> a = rand(UInt16, 5) 5-element Array{UInt16,1}: 0x8128 0x0…

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## [Influxdb client package](https://discourse.julialang.org/t/influxdb-client-package/82890)

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**Author:** [@gmouts](https://discourse.julialang.org/u/gmouts)\
**Replies:** 8\
**Last updated:** [October 12, 2022, 10:08am UTC](https://discourse.julialang.org/t/influxdb-client-package/82890 "2022-10-12T10:08:42Z")

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I’m looking into getting data from influxdb. I found this package but it seems abandoned. Is this functionality added somewhere else or this is all there is?

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## [When converting multiple .csv files to a DataFrame, what is the most effective way to identify the data entries in the DataFrame with the .csv filename?](https://discourse.julialang.org/t/when-converting-multiple-csv-files-to-a-dataframe-what-is-the-most-effective-way-to-identify-the-data-entries-in-the-dataframe-with-the-csv-filename/88606)

<div class="topic-metadata">

**Author:** [@phantom](https://discourse.julialang.org/u/phantom)\
**Replies:** 6\
**Last updated:** [October 12, 2022, 9:33am UTC](https://discourse.julialang.org/t/when-converting-multiple-csv-files-to-a-dataframe-what-is-the-most-effective-way-to-identify-the-data-entries-in-the-dataframe-with-the-csv-filename/88606 "2022-10-12T09:33:51Z")

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Suppose there is a Folder with the following files all with a different number of data entries: File1 = Data1.csv File2 = Data2.csv : : Filen = Datan.csv where n \>\> 100. I am converting these files to a single Dat…

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## [Possible to download 1.7.x official binaries (Linux)](https://discourse.julialang.org/t/possible-to-download-1-7-x-official-binaries-linux/88608)

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**Author:** [@mcreel](https://discourse.julialang.org/u/mcreel)\
**Replies:** 3\
**Last updated:** [October 12, 2022, 8:57am UTC](https://discourse.julialang.org/t/possible-to-download-1-7-x-official-binaries-linux/88608 "2022-10-12T08:57:51Z")

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Is there still a way to download 1.7.x official binaries? I need to load and save Flux models using BSON, and there is an issue with 1.8.x. I can compile from source, if needed, but I have gotten used to the convenience…

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## [deRSE23 - RSE conference in Germany in Feb 23](https://discourse.julialang.org/t/derse23-rse-conference-in-germany-in-feb-23/88609)

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**Author:** [@zweiglimmergneis](https://discourse.julialang.org/u/zweiglimmergneis)\
**Replies:** 0\
**Last updated:** [October 12, 2022, 8:07am UTC](https://discourse.julialang.org/t/derse23-rse-conference-in-germany-in-feb-23/88609 "2022-10-12T08:07:31Z")

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Call for contributions: https://de-rse23.sciencesconf.org/resource/page/id/6 Wouldn’t it be nice to have some julia-related contributions there? Conference languages: English and German

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## [Build for Julia nightly fails due to \`DelimitedFiles.jl\`](https://discourse.julialang.org/t/build-for-julia-nightly-fails-due-to-delimitedfiles-jl/88607)

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**Author:** [@pat-alt](https://discourse.julialang.org/u/pat-alt)\
**Replies:** 2\
**Last updated:** [October 12, 2022, 6:25am UTC](https://discourse.julialang.org/t/build-for-julia-nightly-fails-due-to-delimitedfiles-jl/88607 "2022-10-12T06:25:30Z")

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Hi there, I have two packages for which the build on Julia nightly keeps failing recently. For both of them I get the same error message, \[...\] ┌ Warning: The active manifest file has dependencies that were resolved wi…

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## [GLMakie Menu list does not scroll quickly](https://discourse.julialang.org/t/glmakie-menu-list-does-not-scroll-quickly/88601)

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**Author:** [@BeefMcSlab](https://discourse.julialang.org/u/BeefMcSlab)\
**Replies:** 1\
**Last updated:** [October 12, 2022, 4:49am UTC](https://discourse.julialang.org/t/glmakie-menu-list-does-not-scroll-quickly/88601 "2022-10-12T04:49:42Z")

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When I have more options in a GLMakie Menu than can be presented in the figure, I am able to scroll up and down, but it takes 3 or 4 flicks of the scroll wheel just to get one more option to show up… Not ideal when there…

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## [Increase space between legend labels in Plots](https://discourse.julialang.org/t/increase-space-between-legend-labels-in-plots/62474)

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**Author:** [@Dan.phi](https://discourse.julialang.org/u/Dan.phi)\
**Replies:** 5\
**Last updated:** [July 4, 2021, 10:25am UTC](https://discourse.julialang.org/t/increase-space-between-legend-labels-in-plots/62474 "2021-07-04T10:25:04Z")

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Is there a way to increase the spacing between the legend labels in the histogram below so that they are legible? Thanks! using LaTeXStrings y1 = rand(100) y2 = rand(100) histogram(y1, ylims = (0,50), label = L"\\left\\V…

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## [Problem with Mosek and JuMP after Update](https://discourse.julialang.org/t/problem-with-mosek-and-jump-after-update/88594)

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**Author:** [@jmcastro2109](https://discourse.julialang.org/u/jmcastro2109)\
**Replies:** 6\
**Last updated:** [October 11, 2022, 11:13pm UTC](https://discourse.julialang.org/t/problem-with-mosek-and-jump-after-update/88594 "2022-10-11T23:13:38Z")

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Hi, I just installed Julia v1.8.2 and Mosek 10.0.25 and suddenly a code for an optimization function that I’ve always used stopped working. I provide a MWE using JuMP, Ipopt, LinearAlgebra, Random, Distributions, Bench…

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## [Julia can't precompile various packages](https://discourse.julialang.org/t/julia-cant-precompile-various-packages/88589)

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**Author:** [@fuzzy](https://discourse.julialang.org/u/fuzzy)\
**Replies:** 26\
**Last updated:** [October 11, 2022, 8:44pm UTC](https://discourse.julialang.org/t/julia-cant-precompile-various-packages/88589 "2022-10-11T20:44:46Z")

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Hey, I’m a relatively new Julia user, though I have run some small scripts in the past. I am currently encountering an error when Julia tries to precompile a few different packages that I need. The error is extremely lo…

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## [Trouble with JSON3 Generated Types](https://discourse.julialang.org/t/trouble-with-json3-generated-types/88575)

<div class="topic-metadata">

**Author:** [@mrufsvold](https://discourse.julialang.org/u/mrufsvold)\
**Replies:** 5\
**Last updated:** [October 11, 2022, 7:52pm UTC](https://discourse.julialang.org/t/trouble-with-json3-generated-types/88575 "2022-10-11T19:52:25Z")

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I’m trying to generate types from an input JSON string using JSON3.jl. It generally works very well, but I’m hitting a weird snag that I can’t seem to debug. First, here is a MWE of my code: using JSON3 function parse…

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## [Mutating version of vcat for data frames](https://discourse.julialang.org/t/mutating-version-of-vcat-for-data-frames/88581)

<div class="topic-metadata">

**Author:** [@martinmestre](https://discourse.julialang.org/u/martinmestre)\
**Replies:** 7\
**Last updated:** [October 11, 2022, 6:24pm UTC](https://discourse.julialang.org/t/mutating-version-of-vcat-for-data-frames/88581 "2022-10-11T18:24:47Z")

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Hello, I need a mutating version of vcat for dataframes. This is because I must do the concatenation inside a mutating function so as not to define new temporary data frames. This is an example of how I would like to us…

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## [How do I get lower and upper bounds for a confidence band using LsqFit.jl?](https://discourse.julialang.org/t/how-do-i-get-lower-and-upper-bounds-for-a-confidence-band-using-lsqfit-jl/88519)

<div class="topic-metadata">

**Author:** [@ultrapoci](https://discourse.julialang.org/u/ultrapoci)\
**Replies:** 8\
**Last updated:** [October 11, 2022, 5:00pm UTC](https://discourse.julialang.org/t/how-do-i-get-lower-and-upper-bounds-for-a-confidence-band-using-lsqfit-jl/88519 "2022-10-11T17:00:04Z")

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I’m fitting a three parameters non-linear function using LsqFit.jl. I know I can get confidence intervals using confidence\_interval(fit), but how do I actually get lower and upper bound for the confidence band? I believe…

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