# Latest

**URL:** https://discourse.julialang.org/latest.md?page=1224

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

**Page:** 1225

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## [\[ANN\] GraphQLClient.jl](https://discourse.julialang.org/t/ann-graphqlclient-jl/70493)

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**Author:** [@mmiller](https://discourse.julialang.org/u/mmiller)\
**Replies:** 2\
**Last updated:** [October 28, 2021, 10:13am UTC](https://discourse.julialang.org/t/ann-graphqlclient-jl/70493 "2021-10-28T10:13:59Z")

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Announcing GraphQLClient.jl, a GraphQL client which facilitates easy and Julian interaction with a GraphQL server. Key features Type stable querying , mutating and subscribing without manual writing of query strings De…

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## [How to help nonlinear solvers by applying bounds](https://discourse.julialang.org/t/how-to-help-nonlinear-solvers-by-applying-bounds/70484)

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**Author:** [@amrods](https://discourse.julialang.org/u/amrods)\
**Replies:** 11\
**Last updated:** [October 28, 2021, 9:59am UTC](https://discourse.julialang.org/t/how-to-help-nonlinear-solvers-by-applying-bounds/70484 "2021-10-28T09:59:24Z")

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Apart from IntervalRootFinding.jl, is there a way to “help” the solvers by providing bounds on the unknown variables? eg is there a way to inform NLsolve.jl or NonlinearSolvers.jl that x\[i\] \>= 0 so that the solver does n…

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## [How does function inlining reflect on the profiling output?](https://discourse.julialang.org/t/how-does-function-inlining-reflect-on-the-profiling-output/70471)

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**Author:** [@nsajko](https://discourse.julialang.org/u/nsajko)\
**Replies:** 1\
**Last updated:** [October 28, 2021, 9:46am UTC](https://discourse.julialang.org/t/how-does-function-inlining-reflect-on-the-profiling-output/70471 "2021-10-28T09:46:23Z")

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I have a Julia program. It includes a big function which calls another, small, function in two places. Profiling the execution and displaying a flame graph with ProfileView shows that most of the time is spent in the sm…

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## [Object Detection with YOLOv3 and PlotlyJS](https://discourse.julialang.org/t/object-detection-with-yolov3-and-plotlyjs/70540)

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**Author:** [@cepel](https://discourse.julialang.org/u/cepel)\
**Replies:** 0\
**Last updated:** [October 28, 2021, 9:42am UTC](https://discourse.julialang.org/t/object-detection-with-yolov3-and-plotlyjs/70540 "2021-10-28T09:42:21Z")

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Hey everyone! I have developed a Dash Julia application for object detection (with ObjectDetector.jl, using Flux backend). You can enter an image URL, adjust detection and overlap thresholds, and plot the image with bou…

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## [Implementation of Jacobi method not yielding acurate results](https://discourse.julialang.org/t/implementation-of-jacobi-method-not-yielding-acurate-results/70511)

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**Author:** [@scaredFish](https://discourse.julialang.org/u/scaredFish)\
**Replies:** 2\
**Last updated:** [October 28, 2021, 9:17am UTC](https://discourse.julialang.org/t/implementation-of-jacobi-method-not-yielding-acurate-results/70511 "2021-10-28T09:17:37Z")

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Hello, I am fairly new to the language and i have tried to implement the Jacobi method. However, this has not given me the expected results. The solution should be (1,2,-1,1) and the returned values at convergence are (…

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## [Composition vs. OO: what's the best way to do this in Julia](https://discourse.julialang.org/t/composition-vs-oo-whats-the-best-way-to-do-this-in-julia/70504)

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**Author:** [@dodoplus](https://discourse.julialang.org/u/dodoplus)\
**Replies:** 4\
**Last updated:** [October 28, 2021, 8:51am UTC](https://discourse.julialang.org/t/composition-vs-oo-whats-the-best-way-to-do-this-in-julia/70504 "2021-10-28T08:51:59Z")

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Say I have 2 related types (previously seen in a 2016 thread with a similar topic): struct Student age::Int name::AbstractString grade::Real function Student(a, n, g) 0 \< a \< 120 || error("age mu…

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## [Multinode scaling](https://discourse.julialang.org/t/multinode-scaling/70503)

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**Author:** [@Antonis\_Skourtis](https://discourse.julialang.org/u/Antonis_Skourtis)\
**Replies:** 2\
**Last updated:** [October 28, 2021, 8:25am UTC](https://discourse.julialang.org/t/multinode-scaling/70503 "2021-10-28T08:25:50Z")

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Hello, While I was experimenting with the Distributed library I ran into some issue. I am trying to utilize multiple nodes on a given cluster using Slurm but as of yet I cannot get it working. My script.jl is quite sim…

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## [Find intersection between curves in julia](https://discourse.julialang.org/t/find-intersection-between-curves-in-julia/70494)

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**Author:** [@Luigi\_Marongiu](https://discourse.julialang.org/u/Luigi_Marongiu)\
**Replies:** 13\
**Last updated:** [October 28, 2021, 7:20am UTC](https://discourse.julialang.org/t/find-intersection-between-curves-in-julia/70494 "2021-10-28T07:20:56Z")

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Hello, I have two curves with the values: col\_y = \[8.02511788606e7, 9.98481296252e7, 2.328332483329e8, 6.148181496526e8, 9.453171952624e8, 1.2331292887706e9, 1.4394296796998e9, 1.460066157955e9, 1.3570403824485e9, 1.42…

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## [StatsPlots & corrplot -- missing color scheme?](https://discourse.julialang.org/t/statsplots-corrplot-missing-color-scheme/70487)

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**Author:** [@BLI](https://discourse.julialang.org/u/BLI)\
**Replies:** 2\
**Last updated:** [October 28, 2021, 6:37am UTC](https://discourse.julialang.org/t/statsplots-corrplot-missing-color-scheme/70487 "2021-10-28T06:37:10Z")

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I’m trying to do an example at GitHub - JuliaPlots/StatsPlots.jl: Statistical plotting recipes for Plots.jl on how to use corrplot: M = randn(1000,4) M\[:,2\] .+= 0.8sqrt.(abs.(M\[:,1\])) .- 0.5M\[:,3\] .+ 5 M\[:,3\] .-= 0.7M\[:…

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## [Compiling Plots in Termux -\> Error](https://discourse.julialang.org/t/compiling-plots-in-termux-error/70536)

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**Author:** [@olav2021](https://discourse.julialang.org/u/olav2021)\
**Replies:** 0\
**Last updated:** [October 28, 2021, 6:56am UTC](https://discourse.julialang.org/t/compiling-plots-in-termux-error/70536 "2021-10-28T06:56:30Z")

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Hello, I am writing Julia on an android/termux device and using Plots gives some kind of compiling error: julia\> using Plots \[ Info: Precompiling Plots \[91a5bcdd-55d7-5caf-9e0b-520d859cae80\] ERROR: LoadError: LoadErr…

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## [\] dev "c:/path/pack" errors "could not find project file"](https://discourse.julialang.org/t/dev-c-path-pack-errors-could-not-find-project-file/70382)

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**Author:** [@Philippe\_Maincon1](https://discourse.julialang.org/u/Philippe_Maincon1)\
**Replies:** 5\
**Last updated:** [October 28, 2021, 6:25am UTC](https://discourse.julialang.org/t/dev-c-path-pack-errors-could-not-find-project-file/70382 "2021-10-28T06:25:27Z")

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Hi, I have created a package, to be shared with colleagues (via a zip… I know…). Unpacked, the folder structure is C:/.../Lithe/ .git docs/ src/ Lithe.jl MoreStuff.jl …

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## [Guide to RESTful Webservices](https://discourse.julialang.org/t/guide-to-restful-webservices/70350)

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**Author:** [@vmuser](https://discourse.julialang.org/u/vmuser)\
**Replies:** 6\
**Last updated:** [October 28, 2021, 6:21am UTC](https://discourse.julialang.org/t/guide-to-restful-webservices/70350 "2021-10-28T06:21:03Z")

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My company is currently switching our core application from Python to Julia. The application is used as a RESTful web service by other internal web services which are exposed to our clients. Everything goes smooth so fa…

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## [Dynamic dispatch with Union{Nothing, ...}](https://discourse.julialang.org/t/dynamic-dispatch-with-union-nothing/70174)

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**Author:** [@goerch](https://discourse.julialang.org/u/goerch)\
**Replies:** 8\
**Last updated:** [October 28, 2021, 4:43am UTC](https://discourse.julialang.org/t/dynamic-dispatch-with-union-nothing/70174 "2021-10-28T04:43:19Z")

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When benchmarking a data structure we encountered an interesting phenomenon. The data structure is mutable struct Node{K,D} parent::Union{Node{K,D},Nothing} left::Union{Node{K,D},Nothing} right::Union{Node{K…

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## ["error in running finalizer" in CSV.jl](https://discourse.julialang.org/t/error-in-running-finalizer-in-csv-jl/70513)

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**Author:** [@gleyland](https://discourse.julialang.org/u/gleyland)\
**Replies:** 3\
**Last updated:** [October 27, 2021, 11:59pm UTC](https://discourse.julialang.org/t/error-in-running-finalizer-in-csv-jl/70513 "2021-10-27T23:59:53Z")

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Hi, When using CSV.Rows from CSV 0.9.4 repeatedly (using Revise to re-run a test), I get a: error in running finalizer: Base.IOError(msg="unlink("\<home\>\\\\AppData\\\\Local\\\\Temp\\\\1\\\\jl\_9056.tmp"): permission denied (EACCE…

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## [Generation of documentation fails: "qt.qpa.xcb: could not connect to display"](https://discourse.julialang.org/t/generation-of-documentation-fails-qt-qpa-xcb-could-not-connect-to-display/60988)

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**Author:** [@PeterSimon](https://discourse.julialang.org/u/PeterSimon)\
**Replies:** 12\
**Last updated:** [October 28, 2021, 3:27am UTC](https://discourse.julialang.org/t/generation-of-documentation-fails-qt-qpa-xcb-could-not-connect-to-display/60988 "2021-10-28T03:27:44Z")

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I am able to generate the documentation locally, but when I try to do so on Github I get the following errors during execution of make.jl: \[ Info: SetupBuildDirectory: setting up build directory. \[ Info: Doctest: runnin…

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## [Controls the number of LBFGS iterations with optim.jl](https://discourse.julialang.org/t/controls-the-number-of-lbfgs-iterations-with-optim-jl/70455)

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**Author:** [@F-YF](https://discourse.julialang.org/u/F-YF)\
**Replies:** 5\
**Last updated:** [October 28, 2021, 2:51am UTC](https://discourse.julialang.org/t/controls-the-number-of-lbfgs-iterations-with-optim-jl/70455 "2021-10-28T02:51:38Z")

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I want to use the LBFGS() method in optim package to optimize. Usually LBFGS will do many linearSearch, but I only want it to do one iteration. How to do that? LBFGS

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## ['BinaryMaxHeap' of tuples ordered on second element?](https://discourse.julialang.org/t/binarymaxheap-of-tuples-ordered-on-second-element/70524)

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**Author:** [@maxkapur](https://discourse.julialang.org/u/maxkapur)\
**Replies:** 0\
**Last updated:** [October 27, 2021, 11:42pm UTC](https://discourse.julialang.org/t/binarymaxheap-of-tuples-ordered-on-second-element/70524 "2021-10-27T23:42:51Z")

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I have some Float64 data: julia\> data = rand(10) 10-element Vector{Float64}: 0.7812532624261221 0.21171331164805607 0.17972757757421154 0.18741269983325282 0.42157861540422026 0.7922059340808225 0.258799529427459…

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## [Easy way to run benchmarks quickly](https://discourse.julialang.org/t/easy-way-to-run-benchmarks-quickly/70406)

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**Author:** [@Lilith](https://discourse.julialang.org/u/Lilith)\
**Replies:** 2\
**Last updated:** [October 27, 2021, 11:53pm UTC](https://discourse.julialang.org/t/easy-way-to-run-benchmarks-quickly/70406 "2021-10-27T23:53:03Z")

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Why does @benchmark take so long even when evals is manually specified? using BenchmarkTools count = 0 @elapsed @benchmark (global count += 1; sleep(.05)) evals=1 samples=10 # 1.68 @elapsed for i in 1:count; sleep(.05)…

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## [Pinging creators of JLD.jl](https://discourse.julialang.org/t/pinging-creators-of-jld-jl/70502)

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**Author:** [@nandoconde](https://discourse.julialang.org/u/nandoconde)\
**Replies:** 1\
**Last updated:** [October 27, 2021, 11:09pm UTC](https://discourse.julialang.org/t/pinging-creators-of-jld-jl/70502 "2021-10-27T23:09:59Z")

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Hi! In its current state, JLD.jl does not work for Julia v1.7. I have already elaborated a PR and is passing the tests, but nobody is merging it. I don’t want to get pushy at all; I know that this is Open Source, and e…

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## [Iterative pair-wise fold](https://discourse.julialang.org/t/iterative-pair-wise-fold/70518)

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**Author:** [@owiecc](https://discourse.julialang.org/u/owiecc)\
**Replies:** 1\
**Last updated:** [October 27, 2021, 10:15pm UTC](https://discourse.julialang.org/t/iterative-pair-wise-fold/70518 "2021-10-27T22:15:36Z")

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Is there an iterator or a fold-like function that will take a collection and a function and will apply the function iteratively to neighbour elements pairs until only one element remains? E.g \[1,2,3\] and /: \[1,2,3\] \[1/2…

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## [Julia 1.1 doesn't start in VSCode (Could not start the julia language server)](https://discourse.julialang.org/t/julia-1-1-doesnt-start-in-vscode-could-not-start-the-julia-language-server/22476)

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**Author:** [@mzhenirovskyy](https://discourse.julialang.org/u/mzhenirovskyy)\
**Replies:** 19\
**Last updated:** [October 27, 2021, 9:47pm UTC](https://discourse.julialang.org/t/julia-1-1-doesnt-start-in-vscode-could-not-start-the-julia-language-server/22476 "2021-10-27T21:47:59Z")

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Hi All, My errors: Could not start the julia language server. Make sure the configuration setting julia.executablePath points to the julia binary. I’m working on: Windows 10 Julia 1.1.0 (2019-01-21) VSCode 1.32.3 I…

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## [Using Julia from the JVM (Clojure)](https://discourse.julialang.org/t/using-julia-from-the-jvm-clojure/51052)

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**Author:** [@cnuernber](https://discourse.julialang.org/u/cnuernber)\
**Replies:** 41\
**Last updated:** [October 27, 2021, 9:42pm UTC](https://discourse.julialang.org/t/using-julia-from-the-jvm-clojure/51052 "2021-10-27T21:42:37Z")

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Hey, I have been working on libjulia-clj and it is time to announce what little I have so far ;-). This is way that you can seamlessly call Julia from Clojure, a language hosted on the JVM. This allows you to use Julia…

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## [GTK Entry Completion Widget](https://discourse.julialang.org/t/gtk-entry-completion-widget/70516)

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**Author:** [@SergeantMike67](https://discourse.julialang.org/u/SergeantMike67)\
**Replies:** 0\
**Last updated:** [October 27, 2021, 9:14pm UTC](https://discourse.julialang.org/t/gtk-entry-completion-widget/70516 "2021-10-27T21:14:33Z")

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Does anyone have experience using Gtk.jl to set the GTK EntryCompletion? The GTK documents say to use "To add completion functionality to an entry, use gtk\_entry\_set\_completion()" I have no idea what to do here.

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## [Submodules AbstractAlgebra](https://discourse.julialang.org/t/submodules-abstractalgebra/70308)

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**Author:** [@Gilles\_Dubois](https://discourse.julialang.org/u/Gilles_Dubois)\
**Replies:** 5\
**Last updated:** [October 27, 2021, 8:30pm UTC](https://discourse.julialang.org/t/submodules-abstractalgebra/70308 "2021-10-27T20:30:50Z")

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Hi everybody ! I’m now busy with the submodule concept as described in AbstractAlgebra package documentation. I noticed that, on my point of view, a lot of things are missing in the interface. For example as a minimum…

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## [Flux.train error: no method matching back!(::Float64)](https://discourse.julialang.org/t/flux-train-error-no-method-matching-back-float64/31956)

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**Author:** [@janak](https://discourse.julialang.org/u/janak)\
**Replies:** 4\
**Last updated:** [October 27, 2021, 7:41pm UTC](https://discourse.julialang.org/t/flux-train-error-no-method-matching-back-float64/31956 "2021-10-27T19:41:14Z")

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I am working with Julia 1.2.0 on Jupyter lab on Windows 10 machine. I am using the following package versions: DiffEqFlux : v0.8.1 DifferentialEquations: v6.8.0 Flux: v0.9.0 I am trying to train a neural network usi…

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## [3D quiver plot](https://discourse.julialang.org/t/3d-quiver-plot/70461)

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**Author:** [@Nivin\_1994](https://discourse.julialang.org/u/Nivin_1994)\
**Replies:** 2\
**Last updated:** [October 27, 2021, 7:27pm UTC](https://discourse.julialang.org/t/3d-quiver-plot/70461 "2021-10-27T19:27:33Z")

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Hello! I have N x N x N nodes in a domain space and each node in the space will have three components - x,y,z. I apply force in the domain and calculate the displacement produced by the force. I need to visualize the fo…

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## [How to add a Julia path to my Terminal environment?](https://discourse.julialang.org/t/how-to-add-a-julia-path-to-my-terminal-environment/70477)

<div class="topic-metadata">

**Author:** [@leon](https://discourse.julialang.org/u/leon)\
**Replies:** 4\
**Last updated:** [October 27, 2021, 6:59pm UTC](https://discourse.julialang.org/t/how-to-add-a-julia-path-to-my-terminal-environment/70477 "2021-10-27T18:59:28Z")

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I just reinstalled my Mac OS and Julia 1.7. I’m trying to add the path to Julia to my terminal. Below is the instructions I found: Copy and paste these two commands into your shell: rm -f /usr/local/bin/julia ln -s /A…

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## [Kakoune editor + LanguageSever.jl](https://discourse.julialang.org/t/kakoune-editor-languagesever-jl/70500)

<div class="topic-metadata">

**Author:** [@martinmestre](https://discourse.julialang.org/u/martinmestre)\
**Replies:** 0\
**Last updated:** [October 27, 2021, 6:52pm UTC](https://discourse.julialang.org/t/kakoune-editor-languagesever-jl/70500 "2021-10-27T18:52:24Z")

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Hello all, I am new to both julia and modal text editors. I would like to know if it is possible to have acces to the capabilities shown here for neovim (Neovim + LanguageServer.jl) but with the Kakoune editor. In parti…

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## [Base.run and ansi colours](https://discourse.julialang.org/t/base-run-and-ansi-colours/69611)

<div class="topic-metadata">

**Author:** [@gleyland](https://discourse.julialang.org/u/gleyland)\
**Replies:** 1\
**Last updated:** [October 27, 2021, 6:19pm UTC](https://discourse.julialang.org/t/base-run-and-ansi-colours/69611 "2021-10-27T18:19:49Z")

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Hi, Recently, ansi colours haven’t been working for me (using the git bash shell in VSCode). I thought it might be VSCode, but I’m starting to wonder if it’s Julia (I’m using 1.6.3). I think it might be related to Bas…

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## [Why the performance varies greatly after @view?](https://discourse.julialang.org/t/why-the-performance-varies-greatly-after-view/70495)

<div class="topic-metadata">

**Author:** [@zhangjin](https://discourse.julialang.org/u/zhangjin)\
**Replies:** 2\
**Last updated:** [October 27, 2021, 5:23pm UTC](https://discourse.julialang.org/t/why-the-performance-varies-greatly-after-view/70495 "2021-10-27T17:23:50Z")

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I focus on the following code’s efficient, and I use the TimerOutputs to measure the performance. using TimerOutputs const to = TimerOutput() abstract type AbstractSN end struct spi \<: AbstractSN M::Int8 …

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