# Latest

**URL:** https://discourse.julialang.org/latest.md?page=380

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

**Page:** 381

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## [Minoutaur\_jll and RAPOSa\_jll](https://discourse.julialang.org/t/minoutaur-jll-and-raposa-jll/115999)

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**Author:** [@Stuart\_Rogers](https://discourse.julialang.org/u/Stuart_Rogers)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 11:24pm UTC](https://discourse.julialang.org/t/minoutaur-jll-and-raposa-jll/115999 "2024-06-21T23:24:01Z")

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Are there plans to provide Minoutaur\_jll.jl and RAPOSa\_jll.jl packages so that Minotaur and RAPOSa may be used with AmplNLWriter.jl to solve JuMP optimization problems?

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## [What's the state of Automatic Differentiation in Julia January 2023?](https://discourse.julialang.org/t/whats-the-state-of-automatic-differentiation-in-julia-january-2023/92473)

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**Author:** [@Phil\_Tomson](https://discourse.julialang.org/u/Phil_Tomson)\
**Replies:** 41\
**Last updated:** [June 21, 2024, 11:15pm UTC](https://discourse.julialang.org/t/whats-the-state-of-automatic-differentiation-in-julia-january-2023/92473 "2024-06-21T23:15:18Z")

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I’ve been away from Julia for a bit and was wondering what the AD landscape looks like now. In the past Zygote was the way things were going. Then there was something about Enzyme being the new way. Where do things stand…

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## [Use Enzyme in flux](https://discourse.julialang.org/t/use-enzyme-in-flux/98352)

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**Author:** [@andferrari](https://discourse.julialang.org/u/andferrari)\
**Replies:** 10\
**Last updated:** [June 21, 2024, 9:17pm UTC](https://discourse.julialang.org/t/use-enzyme-in-flux/98352 "2024-06-21T21:17:57Z")

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Hi, I have a complex loss with mutating arrays unsupported by Zygote. Is it possible to use Enzyme.jl with Flux.jl

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## [Newbie asking - How do I resolve the error: "ERROR: LoadError: ArgumentError: Package Base does not have Sobol in its dependencies"](https://discourse.julialang.org/t/newbie-asking-how-do-i-resolve-the-error-error-loaderror-argumenterror-package-base-does-not-have-sobol-in-its-dependencies/115976)

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**Author:** [@groblercarla](https://discourse.julialang.org/u/groblercarla)\
**Replies:** 9\
**Last updated:** [June 21, 2024, 7:09pm UTC](https://discourse.julialang.org/t/newbie-asking-how-do-i-resolve-the-error-error-loaderror-argumenterror-package-base-does-not-have-sobol-in-its-dependencies/115976 "2024-06-21T19:09:43Z")

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I’m completely new to Julia, and have inherited a julia code project from another researcher. (Yay, Julia!) I’m trying to resolve the environment, but I’m getting an error. Specifically the error says the following: - …

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## [What package to use for simple SQL query in different types of database](https://discourse.julialang.org/t/what-package-to-use-for-simple-sql-query-in-different-types-of-database/57868)

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**Author:** [@Laco\_Kovac](https://discourse.julialang.org/u/Laco_Kovac)\
**Replies:** 13\
**Last updated:** [June 14, 2024, 12:18pm UTC](https://discourse.julialang.org/t/what-package-to-use-for-simple-sql-query-in-different-types-of-database/57868 "2024-06-14T12:18:25Z")

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I need to execute simple SQL (e.g. SELECT \* FROM table) and fetch the returned data, but the database could be 1 of 4 types: PostgreSQL, MySQL, MariaDB and MS SQL Server. Ideally, I would like to use a package which dea…

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## [Seeking explanation of Julia code using map! , BitVector and | operator](https://discourse.julialang.org/t/seeking-explanation-of-julia-code-using-map-bitvector-and-operator/115980)

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**Author:** [@oOosys](https://discourse.julialang.org/u/oOosys)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 4:54pm UTC](https://discourse.julialang.org/t/seeking-explanation-of-julia-code-using-map-bitvector-and-operator/115980 "2024-06-21T16:54:22Z")

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~ $ julia \_ \_ \_ \_(\_)\_ | Documentation: https://docs.julialang.org (\_) | (\_) (\_) | \_ \_ \_| |\_ \_\_ \_ | Type "?" for help, "\]?" for Pkg help. | | | | | | |/ \_\` | | | | |\_| |…

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## [AutoEncoderToolkit.jl - A package for training (Variational) Autoencoders](https://discourse.julialang.org/t/autoencodertoolkit-jl-a-package-for-training-variational-autoencoders/115985)

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**Author:** [@mrazomej](https://discourse.julialang.org/u/mrazomej)\
**Replies:** 0\
**Last updated:** [June 21, 2024, 4:30pm UTC](https://discourse.julialang.org/t/autoencodertoolkit-jl-a-package-for-training-variational-autoencoders/115985 "2024-06-21T16:30:45Z")

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Announcing AutoEncoderToolkit.jl: A New Package for Training Autoencoders We are excited to introduce AutoEncoderToolkit.jl, a new package designed to simplify the training and usage of Flux.jl-based autoencoders and va…

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## [Great resource for those who like to share](https://discourse.julialang.org/t/great-resource-for-those-who-like-to-share/115984)

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**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 0\
**Last updated:** [June 21, 2024, 4:25pm UTC](https://discourse.julialang.org/t/great-resource-for-those-who-like-to-share/115984 "2024-06-21T16:25:59Z")

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https://writefreesoftware.org/ Check it out!

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## [Can someone provide a simple example of using CxxWrap?](https://discourse.julialang.org/t/can-someone-provide-a-simple-example-of-using-cxxwrap/115908)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 7\
**Last updated:** [June 21, 2024, 2:44pm UTC](https://discourse.julialang.org/t/can-someone-provide-a-simple-example-of-using-cxxwrap/115908 "2024-06-21T14:44:27Z")

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Hello, I am trying to look at CxxWrap as the super-easy Cxx.jl package seems lost :-((((( However, as my usage of CMAKE is very limited, I am unable to follow even the example in the home page (and there is no separate …

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## [Agents constructor](https://discourse.julialang.org/t/agents-constructor/115941)

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**Author:** [@martin\_sanchez](https://discourse.julialang.org/u/martin_sanchez)\
**Replies:** 8\
**Last updated:** [June 21, 2024, 2:09pm UTC](https://discourse.julialang.org/t/agents-constructor/115941 "2024-06-21T14:09:07Z")

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Hi, I have two questions: On the first hand, quite recent videos explaining the use showed a use of the @agents macro as @agents NameAgentType GridAgent{2} begin someField end And when I do this with this synt…

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## [Batch insertion using MySQL.jl](https://discourse.julialang.org/t/batch-insertion-using-mysql-jl/115938)

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**Author:** [@tom-plaa](https://discourse.julialang.org/u/tom-plaa)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 12:58pm UTC](https://discourse.julialang.org/t/batch-insertion-using-mysql-jl/115938 "2024-06-21T12:58:56Z")

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I am trying to change some functions that insert into my MariaDB database so that they will work in batches instead of row-by-row. I am having somewhat of a hard time because I don’t really understand how to prepare stat…

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## [\`timeevolution.master\_dynamic\` cannot run correctly](https://discourse.julialang.org/t/timeevolution-master-dynamic-cannot-run-correctly/115915)

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**Author:** [@fqguo](https://discourse.julialang.org/u/fqguo)\
**Replies:** 6\
**Last updated:** [June 21, 2024, 12:35pm UTC](https://discourse.julialang.org/t/timeevolution-master-dynamic-cannot-run-correctly/115915 "2024-06-21T12:35:11Z")

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I have another question on timeevolution.master\_dynamic and timeevolution.schroedinger\_dynamic. I run the same code on time-evolution system by timeevolution.master\_dynamic with density operator and timeevolution.schroed…

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## [Automatic differentiation with density matrix in yao](https://discourse.julialang.org/t/automatic-differentiation-with-density-matrix-in-yao/115467)

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**Author:** [@stone44](https://discourse.julialang.org/u/stone44)\
**Replies:** 9\
**Last updated:** [June 21, 2024, 12:21pm UTC](https://discourse.julialang.org/t/automatic-differentiation-with-density-matrix-in-yao/115467 "2024-06-21T12:21:47Z")

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Hey there, i am currently implementing a quantum variational algorithm, where my goal is to minimize a cost function, where i use a gradient based optimzer. Since i have no analytically closed form of my gradient, i am …

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## [How to launch a new Julia notebook from command line?](https://discourse.julialang.org/t/how-to-launch-a-new-julia-notebook-from-command-line/115959)

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**Author:** [@baqwas](https://discourse.julialang.org/u/baqwas)\
**Replies:** 2\
**Last updated:** [June 21, 2024, 12:19pm UTC](https://discourse.julialang.org/t/how-to-launch-a-new-julia-notebook-from-command-line/115959 "2024-06-21T12:19:39Z")

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I’ve installed Julia and IJulia. I have Jupyter, JupyterLab and venv operational previously in my Ubuntu desktop environment. How do I launch a Julia notebook? Is there a link for dummies like me? Thanks. Regards.

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## [Print debug info for failed test](https://discourse.julialang.org/t/print-debug-info-for-failed-test/22311)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 5\
**Last updated:** [June 21, 2024, 10:39am UTC](https://discourse.julialang.org/t/print-debug-info-for-failed-test/22311 "2024-06-21T10:39:27Z")

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I am testing some complex functionality with randomly generated values. In case the test fails, I would like to print those values so that I can isolate and debug the problem — but essentially, I am looking for way to ex…

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## [Seamless integration of Bumper.jl](https://discourse.julialang.org/t/seamless-integration-of-bumper-jl/115916)

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**Author:** [@Tomas\_Pevny](https://discourse.julialang.org/u/Tomas_Pevny)\
**Replies:** 13\
**Last updated:** [June 21, 2024, 12:01pm UTC](https://discourse.julialang.org/t/seamless-integration-of-bumper-jl/115916 "2024-06-21T12:01:05Z")

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Hi All, I have a rather naive question. I have a function computing heuristic value of a state in planning using graph neural network. This function takes state, converts it to a graph uses network and return a single s…

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## [GLMakie: LScene aspect ratio](https://discourse.julialang.org/t/glmakie-lscene-aspect-ratio/115911)

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**Author:** [@fedoroff](https://discourse.julialang.org/u/fedoroff)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 9:33am UTC](https://discourse.julialang.org/t/glmakie-lscene-aspect-ratio/115911 "2024-06-21T09:33:37Z")

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How can I change the aspect ration of an LScene? Previously, I, following the suggestion from Makie aspect ratio 3D plot, used the scale! function: import GLMakie as mak x = y = range(-10, 10, 101) z = range(-5, 5, 10…

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## [Running CUDA.jl with JULIA\_DEPOT\_PATH read-only](https://discourse.julialang.org/t/running-cuda-jl-with-julia-depot-path-read-only/115833)

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**Author:** [@erin-atkinson](https://discourse.julialang.org/u/erin-atkinson)\
**Replies:** 8\
**Last updated:** [June 21, 2024, 7:55am UTC](https://discourse.julialang.org/t/running-cuda-jl-with-julia-depot-path-read-only/115833 "2024-06-21T07:55:22Z")

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I’m updating from Julia 1.8 to 1.10 for the simulations I’m running. Previously everything worked fine, but now I have an issue. I can install CUDA.jl just fine and use it on the HPC login nodes, but on compute nodes the…

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## [Installation of InteractiveDynamics](https://discourse.julialang.org/t/installation-of-interactivedynamics/115864)

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**Author:** [@martin\_sanchez](https://discourse.julialang.org/u/martin_sanchez)\
**Replies:** 3\
**Last updated:** [June 21, 2024, 7:42am UTC](https://discourse.julialang.org/t/installation-of-interactivedynamics/115864 "2024-06-21T07:42:57Z")

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I tried to run ““add InteractiveDynamics”” and got this errors. Until now I didn’t have probelms adding packages, but I am quite confused by this output. 6 dependencies had output during precompilation: ┌ Formatting │…

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## [PostDoc position "Gradient-accelerated inverse materials design"](https://discourse.julialang.org/t/postdoc-position-gradient-accelerated-inverse-materials-design/115965)

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**Author:** [@mfh](https://discourse.julialang.org/u/mfh)\
**Replies:** 0\
**Last updated:** [June 21, 2024, 7:40am UTC](https://discourse.julialang.org/t/postdoc-position-gradient-accelerated-inverse-materials-design/115965 "2024-06-21T07:40:27Z")

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The Mathematics for Materials Modelling research group at EPFL is searching for a motivated PostDoc with a background in Bayesian optimisation and/or surrogate modelling in atomistic simulations to extend our team. See m…

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## [Only 1 thread available in code-server](https://discourse.julialang.org/t/only-1-thread-available-in-code-server/110156)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 2\
**Last updated:** [June 21, 2024, 7:40am UTC](https://discourse.julialang.org/t/only-1-thread-available-in-code-server/110156 "2024-06-21T07:40:17Z")

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Hello, I moved to code-server development (under JupyterHub), but I can’t get more than 1 thread. I don’t have the option in the Julia extension setting, and if I manually edit the Settings.json with "julia.NumThreads":…

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## [Vector databases](https://discourse.julialang.org/t/vector-databases/114396)

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**Author:** [@Lilith](https://discourse.julialang.org/u/Lilith)\
**Replies:** 5\
**Last updated:** [June 20, 2024, 1:48pm UTC](https://discourse.julialang.org/t/vector-databases/114396 "2024-06-20T13:48:04Z")

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Are there any vector database implementations in Julia? Looking for a data structure that stores a collection of vectors of real numbers and maps a query vector to an ordered list of the n closest vectors to the query (…

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## [BigFloat type](https://discourse.julialang.org/t/bigfloat-type/114782)

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**Author:** [@Denis\_Dardenne](https://discourse.julialang.org/u/Denis_Dardenne)\
**Replies:** 3\
**Last updated:** [June 20, 2024, 1:09pm UTC](https://discourse.julialang.org/t/bigfloat-type/114782 "2024-06-20T13:09:11Z")

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Hello, I have a variable of this type: and I would like tto ransform the format Float64 to BigFloat. How do that ? The following command doesn’t work : BigFloat.(MyVar) convert(BigFloat,MyVar) May be defining t…

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## [Rasters lib](https://discourse.julialang.org/t/rasters-lib/114576)

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**Author:** [@Luiz\_Flavio](https://discourse.julialang.org/u/Luiz_Flavio)\
**Replies:** 7\
**Last updated:** [June 20, 2024, 12:33pm UTC](https://discourse.julialang.org/t/rasters-lib/114576 "2024-06-20T12:33:56Z")

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l: did the following code using raster: using NCDatasets using Plots using Rasters # Caminho para o arquivo NetCDF arquivo\_nc = "/run/media/lufla/Backup\_Lufla/data\_rafael/MONAN\_DIAG\_G\_MOD\_GFS\_2024041500\_2024041909.…

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## [Julia packages cloning after every commit?](https://discourse.julialang.org/t/julia-packages-cloning-after-every-commit/115947)

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**Author:** [@xvries](https://discourse.julialang.org/u/xvries)\
**Replies:** 1\
**Last updated:** [June 21, 2024, 4:02am UTC](https://discourse.julialang.org/t/julia-packages-cloning-after-every-commit/115947 "2024-06-21T04:02:16Z")

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It looks like julia is often cloning packages, is that necessary? I am maintaining a few packages in our organization and I often need to fully clone packages, why is the package manager not simply pulling the latest com…

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## [I'm on step zero on macros](https://discourse.julialang.org/t/im-on-step-zero-on-macros/115955)

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**Author:** [@martin\_sanchez](https://discourse.julialang.org/u/martin_sanchez)\
**Replies:** 2\
**Last updated:** [June 21, 2024, 2:43am UTC](https://discourse.julialang.org/t/im-on-step-zero-on-macros/115955 "2024-06-21T02:43:16Z")

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Hi, I have read most of the documentation, and trying to get my head around macros and how to write my own, but I read a thing like this macro css\_str(x::String) kvalues::Vector{SubString} = split(x, ";") Dict…

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## ["scrubbing" sound: playing sound from views rather than Arrays](https://discourse.julialang.org/t/scrubbing-sound-playing-sound-from-views-rather-than-arrays/115957)

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**Author:** [@sadish-d](https://discourse.julialang.org/u/sadish-d)\
**Replies:** 0\
**Last updated:** [June 21, 2024, 1:02am UTC](https://discourse.julialang.org/t/scrubbing-sound-playing-sound-from-views-rather-than-arrays/115957 "2024-06-21T01:02:11Z")

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In PortAudio, audio data is just a Nx1 (mono) or Nx2 (stereo) matrix with an associated sample rate. So if you had a sample rate of 44\_100 samples per second, a one-second-long audio will have 44\_100 rows. Say I have tw…

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## [Updating Julia Packages from Sublime Text / Terminus](https://discourse.julialang.org/t/updating-julia-packages-from-sublime-text-terminus/68120)

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**Author:** [@stephenll](https://discourse.julialang.org/u/stephenll)\
**Replies:** 10\
**Last updated:** [June 20, 2024, 11:47pm UTC](https://discourse.julialang.org/t/updating-julia-packages-from-sublime-text-terminus/68120 "2024-06-20T23:47:05Z")

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I use Sublime Text as my editor for Julia. For almost everything it is perfect for me. The only thing I can’t seem to do with Sublime Text on both my corporate Windows computer and my personal MacOS computer is update J…

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## [High Memory Usage with Convex.jl When Solving Optimization Problem with Sparse Matrices](https://discourse.julialang.org/t/high-memory-usage-with-convex-jl-when-solving-optimization-problem-with-sparse-matrices/115896)

<div class="topic-metadata">

**Author:** [@CaG21](https://discourse.julialang.org/u/CaG21)\
**Replies:** 9\
**Last updated:** [June 20, 2024, 11:14pm UTC](https://discourse.julialang.org/t/high-memory-usage-with-convex-jl-when-solving-optimization-problem-with-sparse-matrices/115896 "2024-06-20T23:14:11Z")

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Hi everyone, I am using Convex.jl to solve an optimization problem. Even though it is relatively large, its constraints can be modeled using sparse matrices, which occupy a small amount of memory (about 200 MB). However…

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## [An antifragile vote counting system should be open-source. Why not use Julia?](https://discourse.julialang.org/t/an-antifragile-vote-counting-system-should-be-open-source-why-not-use-julia/114182)

<div class="topic-metadata">

**Author:** [@g2g](https://discourse.julialang.org/u/g2g)\
**Replies:** 22\
**Last updated:** [June 20, 2024, 9:25pm UTC](https://discourse.julialang.org/t/an-antifragile-vote-counting-system-should-be-open-source-why-not-use-julia/114182 "2024-06-20T21:25:01Z")

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I posted an essay (No Abacus or Pillow) detailing how the manual counting of ballots can rival the speed of the automated counting of ballots … provided those ballots are sorted. In the essay’s appendix is a listing of a…

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