# Latest

**URL:** https://discourse.julialang.org/latest.md?page=102

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

**Page:** 103

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## [Analysis of binomial counts using glm](https://discourse.julialang.org/t/analysis-of-binomial-counts-using-glm/132837)

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**Author:** [@RobertDorazio](https://discourse.julialang.org/u/RobertDorazio)\
**Replies:** 11\
**Last updated:** [October 4, 2025, 1:51pm UTC](https://discourse.julialang.org/t/analysis-of-binomial-counts-using-glm/132837 "2025-10-04T13:51:18Z")

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It seems as though the glm() function in Julia does not always yield the maximum likelihood estimates of parameters when fitting logistic regression models of binomial count data. Moreover, the uncertainties of the para…

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## [How does JuliaCall (PythonCall) protect Julia objects in Python code from Julia's GC?](https://discourse.julialang.org/t/how-does-juliacall-pythoncall-protect-julia-objects-in-python-code-from-julias-gc/132836)

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**Author:** [@Benny](https://discourse.julialang.org/u/Benny)\
**Replies:** 4\
**Last updated:** [October 4, 2025, 11:16am UTC](https://discourse.julialang.org/t/how-does-juliacall-pythoncall-protect-julia-objects-in-python-code-from-julias-gc/132836 "2025-10-04T11:16:43Z")

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No practical purpose, just curious. For PythonCall in Julia code, it’s easy to imagine that a Julia wrapper increments an underlying CPython object’s reference count to protect it from CPython’s GC (I don’t know if this …

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## [Dataframe columns type is \`Any\` even though it's initialized with all \`Float64\`](https://discourse.julialang.org/t/dataframe-columns-type-is-any-even-though-its-initialized-with-all-float64/132870)

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**Author:** [@Quantodeluz](https://discourse.julialang.org/u/Quantodeluz)\
**Replies:** 3\
**Last updated:** [October 4, 2025, 7:08am UTC](https://discourse.julialang.org/t/dataframe-columns-type-is-any-even-though-its-initialized-with-all-float64/132870 "2025-10-04T07:08:06Z")

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I don’t have much more to add, I even rerun the code but initializing the columns with the type as a string, and still: The two columns before them are fine, but no matter what i do these have type Any, and that’s ma…

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## [Polyester.jl: how to properly pass complex hermitian conjugate?](https://discourse.julialang.org/t/polyester-jl-how-to-properly-pass-complex-hermitian-conjugate/132866)

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**Author:** [@Egwene\_al\_Vere](https://discourse.julialang.org/u/Egwene_al_Vere)\
**Replies:** 1\
**Last updated:** [October 4, 2025, 4:36am UTC](https://discourse.julialang.org/t/polyester-jl-how-to-properly-pass-complex-hermitian-conjugate/132866 "2025-10-04T04:36:53Z")

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Polyester mentions that it moves arrays to threads by turning them into StrideArraysCore.PtrArrays. This means that under an @batch slices will create views by default(!). You may want to start Julia with --check-bound…

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## [Is there a migration from DifferentialEquations.jl to subpackages cheat sheet?](https://discourse.julialang.org/t/is-there-a-migration-from-differentialequations-jl-to-subpackages-cheat-sheet/132852)

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**Author:** [@JonasWickman](https://discourse.julialang.org/u/JonasWickman)\
**Replies:** 3\
**Last updated:** [October 4, 2025, 4:25am UTC](https://discourse.julialang.org/t/is-there-a-migration-from-differentialequations-jl-to-subpackages-cheat-sheet/132852 "2025-10-04T04:25:56Z")

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I use a lot of different functionality in DifferentialEquations.jl, so to date I’ve been mostly happy just using this omnipackage. However, compile times are now quite long and I rarely need all the functionality in the …

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## [Converting Float to String with padding?](https://discourse.julialang.org/t/converting-float-to-string-with-padding/132865)

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**Author:** [@Quantodeluz](https://discourse.julialang.org/u/Quantodeluz)\
**Replies:** 2\
**Last updated:** [October 3, 2025, 8:54pm UTC](https://discourse.julialang.org/t/converting-float-to-string-with-padding/132865 "2025-10-03T20:54:07Z")

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Simple question here, how could I emulate the effect of string(Int, pad=n) with floats? Using string itself throws an error.

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## [Efficient automatic differentation for Julia version \`jax.scan\`?](https://discourse.julialang.org/t/efficient-automatic-differentation-for-julia-version-jax-scan/132853)

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**Author:** [@roflmaostc](https://discourse.julialang.org/u/roflmaostc)\
**Replies:** 4\
**Last updated:** [October 3, 2025, 4:14pm UTC](https://discourse.julialang.org/t/efficient-automatic-differentation-for-julia-version-jax-scan/132853 "2025-10-03T16:14:03Z")

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Hi, I am using in some JAX array code jax.lax.scan which implements something like this in my example: function jax\_lax\_scan(f, x; accumulator\_init) acc = accumulator\_init for i in axes(x, 1) acc = …

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## [Simple Timeout of Function](https://discourse.julialang.org/t/simple-timeout-of-function/99578)

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**Author:** [@anodos](https://discourse.julialang.org/u/anodos)\
**Replies:** 8\
**Last updated:** [October 3, 2025, 3:43pm UTC](https://discourse.julialang.org/t/simple-timeout-of-function/99578 "2025-10-03T15:43:11Z")

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I often find myself in a situation where I’m calling a Julia function many times in a for loop, and I would like to run the function for, say, 10 seconds, and if it hasn’t finished executing in that time, it should retur…

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## [\[ANN\] ArenaPirate.jl: proof-of-concept arena allocator (not in the registry)](https://discourse.julialang.org/t/ann-arenapirate-jl-proof-of-concept-arena-allocator-not-in-the-registry/132856)

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**Author:** [@artemsolod](https://discourse.julialang.org/u/artemsolod)\
**Replies:** 0\
**Last updated:** [October 3, 2025, 3:20pm UTC](https://discourse.julialang.org/t/ann-arenapirate-jl-proof-of-concept-arena-allocator-not-in-the-registry/132856 "2025-10-03T15:20:35Z")

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repo: https://github.com/artemsolod/ArenaPirate.jl This package redefines Memory{T}(::UndefInitializer, m::Int64) (hence “pirate” in the name) and provides an @arena macro for marking sections of code to be eligible fo…

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## [How to text-save a DataFrame in markdown?](https://discourse.julialang.org/t/how-to-text-save-a-dataframe-in-markdown/132628)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 12\
**Last updated:** [October 3, 2025, 1:26pm UTC](https://discourse.julialang.org/t/how-to-text-save-a-dataframe-in-markdown/132628 "2025-10-03T13:26:20Z")

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I know about PrettyTables, but how do I save to file, let’s say table\_xy.md, a DataFrame ?

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## [ModelingToolkit + matrix variables: defaults & 1×1 scalars](https://discourse.julialang.org/t/modelingtoolkit-matrix-variables-defaults-1x1-scalars/132825)

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**Author:** [@rasmuskovacs](https://discourse.julialang.org/u/rasmuskovacs)\
**Replies:** 4\
**Last updated:** [October 3, 2025, 12:34pm UTC](https://discourse.julialang.org/t/modelingtoolkit-matrix-variables-defaults-1x1-scalars/132825 "2025-10-03T12:34:13Z")

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Hi! I’m trying to use ModelingToolkit with matrix variables/parameters. I’ve got it working, but I need to be very careful about how I define things, and a couple behaviors feel non-intuitive. I’m wondering if I’m missin…

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## [Overloading anonymous functions](https://discourse.julialang.org/t/overloading-anonymous-functions/132823)

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**Author:** [@AntonReinhard](https://discourse.julialang.org/u/AntonReinhard)\
**Replies:** 9\
**Last updated:** [October 3, 2025, 11:32am UTC](https://discourse.julialang.org/t/overloading-anonymous-functions/132823 "2025-10-03T11:32:20Z")

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I was playing around with anonymous functions a bit and found that you can use where clauses with them, if you wrap the header in brackets: julia\> ((x::T) where {T\<:Int}) -\> x #11 (generic function with 1 method) julia\>…

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## [How to hide the types line when pretty printing a data frame](https://discourse.julialang.org/t/how-to-hide-the-types-line-when-pretty-printing-a-data-frame/33393)

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**Author:** [@yakir12](https://discourse.julialang.org/u/yakir12)\
**Replies:** 9\
**Last updated:** [October 3, 2025, 11:25am UTC](https://discourse.julialang.org/t/how-to-hide-the-types-line-when-pretty-printing-a-data-frame/33393 "2025-10-03T11:25:31Z")

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I’m sure this was mentioned before, I just can’t find it in PrettyTables.jl’s documentation nor here on Discourse. How can I hide the row indicating the columns’ types when printing a DataFrame? julia\> using DataFrames,…

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## [Makie font variants?](https://discourse.julialang.org/t/makie-font-variants/132818)

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**Author:** [@ryofurue](https://discourse.julialang.org/u/ryofurue)\
**Replies:** 9\
**Last updated:** [October 3, 2025, 4:43am UTC](https://discourse.julialang.org/t/makie-font-variants/132818 "2025-10-03T04:43:18Z")

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I’m trying to find out how to specify font variants. The following attempt fails: using CairoMakie fig = Figure(; fonts = ( regular = "Baskerville", italic = "Baskerville Italic", )) ax = Axis(fig\[1, 1\]) text…

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## [JuliaCon Global 2026: Call for minisymposia](https://discourse.julialang.org/t/juliacon-global-2026-call-for-minisymposia/132839)

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**Author:** [@vchuravy](https://discourse.julialang.org/u/vchuravy)\
**Replies:** 0\
**Last updated:** [October 3, 2025, 3:36am UTC](https://discourse.julialang.org/t/juliacon-global-2026-call-for-minisymposia/132839 "2025-10-03T03:36:50Z")

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We invite you to submit proposals to organize a minisymposium at JuliaCon 2026. This Call for Minisymposia Proposals will close on December 2nd 2025 20:00 (CET). convert to your timezone JuliaCon has traditionally had …

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## [Updating the QR decomposition of a matrix under rank-1updates](https://discourse.julialang.org/t/updating-the-qr-decomposition-of-a-matrix-under-rank-1updates/132831)

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**Author:** [@Gattu\_Mytraya](https://discourse.julialang.org/u/Gattu_Mytraya)\
**Replies:** 3\
**Last updated:** [October 3, 2025, 12:47am UTC](https://discourse.julialang.org/t/updating-the-qr-decomposition-of-a-matrix-under-rank-1updates/132831 "2025-10-03T00:47:05Z")

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Hi, I was trying to find a native julia implementation of the QR decomposition of a matrix A when it is changed from A to A + uv^{T} - under a rank-1 update. I found multiple packages for updating the QR decomp (and jus…

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## [Structure for Concurrent reads a single thread writing](https://discourse.julialang.org/t/structure-for-concurrent-reads-a-single-thread-writing/132811)

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**Author:** [@Card1gan](https://discourse.julialang.org/u/Card1gan)\
**Replies:** 6\
**Last updated:** [October 3, 2025, 12:34am UTC](https://discourse.julialang.org/t/structure-for-concurrent-reads-a-single-thread-writing/132811 "2025-10-03T00:34:38Z")

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Firstly, I am relatively new to julia, but have been enjoying it so far. I am working on a parallel algorithm that requires multiple threads to read while one thread can update the vector, so my plan would be to use eit…

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## [\[ANN\] SymbolicApproximators.jl: methods for symbolic time series discretization](https://discourse.julialang.org/t/ann-symbolicapproximators-jl-methods-for-symbolic-time-series-discretization/132737)

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**Author:** [@myersm0](https://discourse.julialang.org/u/myersm0)\
**Replies:** 4\
**Last updated:** [October 3, 2025, 12:02am UTC](https://discourse.julialang.org/t/ann-symbolicapproximators-jl-methods-for-symbolic-time-series-discretization/132737 "2025-10-03T00:02:22Z")

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Announcing SymbolicApproximators.jl, a Julia package implementing Symbolic Aggregate approXimation (SAX) and related methods for symbolic discretization and dimension reduction. These techniques allow you to take continu…

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## [Nerd-sniping: can you make this faster?](https://discourse.julialang.org/t/nerd-sniping-can-you-make-this-faster/132793)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 38\
**Last updated:** [October 2, 2025, 9:16pm UTC](https://discourse.julialang.org/t/nerd-sniping-can-you-make-this-faster/132793 "2025-10-02T21:16:14Z")

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This is the core function of a module to compute solvent accessible surface areas of molecules. It works fine, but it would benefit of being faster. Without a full reworking of the data structures, etc, performance boil…

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## [What to use for URL encoding?](https://discourse.julialang.org/t/what-to-use-for-url-encoding/25467)

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**Author:** [@abeburnett](https://discourse.julialang.org/u/abeburnett)\
**Replies:** 4\
**Last updated:** [October 2, 2025, 6:11pm UTC](https://discourse.julialang.org/t/what-to-use-for-url-encoding/25467 "2025-10-02T18:11:18Z")

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Hi there, I’m looking to correctly encode URLs. I’m coming from Python and R which have packages/libraries I’ve used to accomplish this, but I’m not seeing anything on Google. Can anyone please point me to a URL encodin…

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## [Pkg is not using the latest version of a package in the general registry](https://discourse.julialang.org/t/pkg-is-not-using-the-latest-version-of-a-package-in-the-general-registry/132022)

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**Author:** [@Ronis\_BR](https://discourse.julialang.org/u/Ronis_BR)\
**Replies:** 6\
**Last updated:** [October 2, 2025, 5:33pm UTC](https://discourse.julialang.org/t/pkg-is-not-using-the-latest-version-of-a-package-in-the-general-registry/132022 "2025-10-02T17:33:42Z")

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Hi! I tagged PrettyTables.jl v3.0.8 three days ago (General/P/PrettyTables/Versions.toml at b6e131502024d4d2f6e6c7d9ab8a808717539321 · JuliaRegistries/General · GitHub) but if you try to install it now, it gets v3.0.7. …

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## [Julia servers are down again](https://discourse.julialang.org/t/julia-servers-are-down-again/132820)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 1\
**Last updated:** [October 2, 2025, 3:28pm UTC](https://discourse.julialang.org/t/julia-servers-are-down-again/132820 "2025-10-02T15:28:57Z")

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I don’t know what is causing these frequent issues with the servers, but it would be really nice if someone could restart them somehow: Currently unable to bump versions of packages.

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## [Uninstalling julia completely](https://discourse.julialang.org/t/uninstalling-julia-completely/38493)

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**Author:** [@benoitseron](https://discourse.julialang.org/u/benoitseron)\
**Replies:** 9\
**Last updated:** [October 2, 2025, 1:58pm UTC](https://discourse.julialang.org/t/uninstalling-julia-completely/38493 "2025-10-02T13:58:39Z")

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I am trying to uninstall and then reinstall julia entirely as I had issues similar to this one using Atom/Juno. I followed the steps I could find online, as described in the second section here. I also tried to find rel…

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## [New paper on the effects of AI coding assistants on programming language diversity](https://discourse.julialang.org/t/new-paper-on-the-effects-of-ai-coding-assistants-on-programming-language-diversity/132784)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 3\
**Last updated:** [October 2, 2025, 12:02pm UTC](https://discourse.julialang.org/t/new-paper-on-the-effects-of-ai-coding-assistants-on-programming-language-diversity/132784 "2025-10-02T12:02:29Z")

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The Matthew Effect of AI Programming Assistants: A Hidden Bias in Software Evolution

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## [\[ANN\] WebAuthn.jl](https://discourse.julialang.org/t/ann-webauthn-jl/132672)

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**Author:** [@andreeco](https://discourse.julialang.org/u/andreeco)\
**Replies:** 9\
**Last updated:** [October 2, 2025, 11:36am UTC](https://discourse.julialang.org/t/ann-webauthn-jl/132672 "2025-10-02T11:36:32Z")

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Hi, I’m happy to announce WebAuthn.jl, a Julia package for W3C WebAuthn and modern passwordless authentication using passkeys and security keys. WebAuthn.jl brings end-to-end functions for registration and login, CBOR/…

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## [\[ANN\] Stipple: New app template, TTFX 5-10s](https://discourse.julialang.org/t/ann-stipple-new-app-template-ttfx-5-10s/132722)

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**Author:** [@hhaensel](https://discourse.julialang.org/u/hhaensel)\
**Replies:** 1\
**Last updated:** [October 2, 2025, 10:34am UTC](https://discourse.julialang.org/t/ann-stipple-new-app-template-ttfx-5-10s/132722 "2025-10-02T10:34:47Z")

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GenieFramework/Stipple has received many improvements in the past, which will be announced separately. Today we announce a new app template that makes webapps startable via using MyApp with unprecedented startup times…

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## [Dyad Builder, FMUs](https://discourse.julialang.org/t/dyad-builder-fmus/132792)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 10\
**Last updated:** [October 2, 2025, 6:12am UTC](https://discourse.julialang.org/t/dyad-builder-fmus/132792 "2025-10-02T06:12:03Z")

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I attended a webinar from Juliahub today on the topic of creating functional mockup units (FMUs) using Julia and Dyad. Questions: Is this feature available for academic users of Dyad Studio? Is the graphical model edi…

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## [\[ANN\] Makie v0.24](https://discourse.julialang.org/t/ann-makie-v0-24/130207)

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**Author:** [@sdanisch](https://discourse.julialang.org/u/sdanisch)\
**Replies:** 26\
**Last updated:** [October 2, 2025, 1:50am UTC](https://discourse.julialang.org/t/ann-makie-v0-24/130207 "2025-10-02T01:50:06Z")

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Makie v0.24 is finally out! This release features a large refactor of the internals, replacing Observables with a ComputeGraph. This helped us achieve major performance improvements, better handling of multiple attribut…

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## [Help to understand the performance gain when using Base.throw\_boundscheck](https://discourse.julialang.org/t/help-to-understand-the-performance-gain-when-using-base-throw-boundscheck/132801)

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**Author:** [@Ronis\_BR](https://discourse.julialang.org/u/Ronis_BR)\
**Replies:** 13\
**Last updated:** [October 1, 2025, 10:08pm UTC](https://discourse.julialang.org/t/help-to-understand-the-performance-gain-when-using-base-throw-boundscheck/132801 "2025-10-01T22:08:06Z")

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Hi! I want to understand a strange behavior for me. We are building a lower triangular storage for gravity models. If I use the following getindex: function Base.getindex( L::LowerTriangularStorage{T}, i::Int, …

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## [Solvent Accessible Surface Area](https://discourse.julialang.org/t/solvent-accessible-surface-area/132751)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 2\
**Last updated:** [October 1, 2025, 9:36pm UTC](https://discourse.julialang.org/t/solvent-accessible-surface-area/132751 "2025-10-01T21:36:06Z")

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For anyone that might be interested, we implemented a molecular Solvent Accessible Surface Area calculator in PDBTools.jl: The interface is useful (for us) for allowing extracting contributions to the SASA very easily…

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