# Latest

**URL:** https://discourse.julialang.org/latest.md?page=1184

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

**Page:** 1185

---

## [Intl' Workshop on Applied Verification of Continuous and Hybrid Systems Proceedings (2021)](https://discourse.julialang.org/t/intl-workshop-on-applied-verification-of-continuous-and-hybrid-systems-proceedings-2021/72789)

<div class="topic-metadata">

**Author:** [@mforets](https://discourse.julialang.org/u/mforets)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 8:47pm UTC](https://discourse.julialang.org/t/intl-workshop-on-applied-verification-of-continuous-and-hybrid-systems-proceedings-2021/72789 "2021-12-08T20:47:23Z")

</div>

Communities Held on July (2021) in Brussels, Belgium, this year’s ARCH-COMP workshop was part of the 7th IFAC Conference on Analysis and Design of Hybrid Systems. For those who are interested on these topics, the proceed…

---

## [How can I define a half-open interval in Julia, and test for containment?](https://discourse.julialang.org/t/how-can-i-define-a-half-open-interval-in-julia-and-test-for-containment/72787)

<div class="topic-metadata">

**Author:** [@chrisoffner](https://discourse.julialang.org/u/chrisoffner)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 8:35pm UTC](https://discourse.julialang.org/t/how-can-i-define-a-half-open-interval-in-julia-and-test-for-containment/72787 "2021-12-08T20:35:44Z")

</div>

I’m new to Julia, and was trying to find a way to define a half-open interval like (-Inf, 5.0\], then test if a floating point number is contained therein. In Swift I could do let leftOpenInterval = ...5.0 print(leftOp…

---

## [Undesired memory allocation during interpolation](https://discourse.julialang.org/t/undesired-memory-allocation-during-interpolation/72713)

<div class="topic-metadata">

**Author:** [@Gravlax](https://discourse.julialang.org/u/Gravlax)\
**Replies:** 33\
**Last updated:** [December 8, 2021, 6:56pm UTC](https://discourse.julialang.org/t/undesired-memory-allocation-during-interpolation/72713 "2021-12-08T18:56:26Z")

</div>

Dear all, I am writing a script that will require many interpolations in a row (10000s). I am trying to make it such that no allocation is made during the successive calls to Itp1D (). Therefore I’ve allocated all requ…

---

## [Using MKL in 1.7](https://discourse.julialang.org/t/using-mkl-in-1-7/72398)

<div class="topic-metadata">

**Author:** [@ctkelley](https://discourse.julialang.org/u/ctkelley)\
**Replies:** 11\
**Last updated:** [December 8, 2021, 6:44pm UTC](https://discourse.julialang.org/t/using-mkl-in-1-7/72398 "2021-12-08T18:44:29Z")

</div>

My understanding is that all you need to do is type using MKL in the REPL and BLAS trampoline will take care of the rest. When I do that I see no difference in performance. What should I be doing? I’m on an Intel Mac …

---

## [Pairwise iterator](https://discourse.julialang.org/t/pairwise-iterator/63927)

<div class="topic-metadata">

**Author:** [@owiecc](https://discourse.julialang.org/u/owiecc)\
**Replies:** 5\
**Last updated:** [December 8, 2021, 5:43pm UTC](https://discourse.julialang.org/t/pairwise-iterator/63927 "2021-12-08T17:43:28Z")

</div>

Imagine you have a vector \[1,2,3,4\] and would like to have easily access adjacent elements: (1,2) (2,3) (3,4) I used to do it with a for loop and then just access the i-th and i+1-th element while looping over 1 to l…

---

## [Packagecompiler.jl installation issue on windows with julia 1.2](https://discourse.julialang.org/t/packagecompiler-jl-installation-issue-on-windows-with-julia-1-2/72779)

<div class="topic-metadata">

**Author:** [@manoj.centura](https://discourse.julialang.org/u/manoj.centura)\
**Replies:** 3\
**Last updated:** [December 8, 2021, 4:53pm UTC](https://discourse.julialang.org/t/packagecompiler-jl-installation-issue-on-windows-with-julia-1-2/72779 "2021-12-08T16:53:56Z")

</div>

hi All, I am trying to install PackageCompiler.jl with julia 1.2 on windows. getting the below error Building LibCURL ────────→ \`C:\\Users\\manojkumar.ram\\.julia\\packages\\LibCURL\\lWJxD\\deps\\build.log\` Building WinRPM…

---

## [Makie.jl changing axis to a non-numeric](https://discourse.julialang.org/t/makie-jl-changing-axis-to-a-non-numeric/72781)

<div class="topic-metadata">

**Author:** [@gjh](https://discourse.julialang.org/u/gjh)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 4:45pm UTC](https://discourse.julialang.org/t/makie-jl-changing-axis-to-a-non-numeric/72781 "2021-12-08T16:45:47Z")

</div>

I would like to change the x-axis here to something like \[“very low”, “low”, “medium”, “high”, “very high”\]. Can someone help me out? Thank you! using Makie, CairoMakie x = \[1, 2, 3, 4, 5\] y = \[0.20, 0.40, 0.60, 0.80…

---

## [Portable Julia and VSCode](https://discourse.julialang.org/t/portable-julia-and-vscode/72784)

<div class="topic-metadata">

**Author:** [@Temi-Tory](https://discourse.julialang.org/u/Temi-Tory)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 4:43pm UTC](https://discourse.julialang.org/t/portable-julia-and-vscode/72784 "2021-12-08T16:43:47Z")

</div>

I have two copies of Julia. One is my normal one that I use on my PC. The other is a recently downloaded Portable version on a USB stick. I am trying to set up a Portable version of Julia to work with my portable versio…

---

## [Problems in 1.6.4 with IJulia. Downgrade to 1.6.3?](https://discourse.julialang.org/t/problems-in-1-6-4-with-ijulia-downgrade-to-1-6-3/72129)

<div class="topic-metadata">

**Author:** [@ctkelley](https://discourse.julialang.org/u/ctkelley)\
**Replies:** 17\
**Last updated:** [December 8, 2021, 3:57pm UTC](https://discourse.julialang.org/t/problems-in-1-6-4-with-ijulia-downgrade-to-1-6-3/72129 "2021-12-08T15:57:24Z")

</div>

I am having a problem with IJulia throwing StackOverflowError: in 1.6.4. I am pretty sure that I was having no problem in 1.6.3 and have tested the notebook in 1.6.1 with no problems. Is there any way I can get 1.6.3 to…

---

## [Handling project specific variables for a library?](https://discourse.julialang.org/t/handling-project-specific-variables-for-a-library/72705)

<div class="topic-metadata">

**Author:** [@volkerkarle](https://discourse.julialang.org/u/volkerkarle)\
**Replies:** 1\
**Last updated:** [December 8, 2021, 3:08pm UTC](https://discourse.julialang.org/t/handling-project-specific-variables-for-a-library/72705 "2021-12-08T15:08:53Z")

</div>

Dear community, I am working on a numerical library. The following is only some style aspect, so nothing crucial: There are some variables/ routines which are needed for every function, and I wonder how I could simplify…

---

## [How to find the size of a Set?](https://discourse.julialang.org/t/how-to-find-the-size-of-a-set/25438)

<div class="topic-metadata">

**Author:** [@Nathaniel](https://discourse.julialang.org/u/Nathaniel)\
**Replies:** 12\
**Last updated:** [November 2, 2021, 5:52am UTC](https://discourse.julialang.org/t/how-to-find-the-size-of-a-set/25438 "2021-11-02T05:52:42Z")

</div>

A very basic question: julia\> S = Set(\[1,2,3,4\]) Set(\[4, 2, 3, 1\]) julia\> size(S) ERROR: MethodError: no method matching size(::Set{Int64}) Closest candidates are: size(::BitArray{1}) at bitarray.jl:77 size(::BitAr…

---

## [Find the intersection of elements of powerset one by one](https://discourse.julialang.org/t/find-the-intersection-of-elements-of-powerset-one-by-one/72763)

<div class="topic-metadata">

**Author:** [@XLVII](https://discourse.julialang.org/u/XLVII)\
**Replies:** 3\
**Last updated:** [December 8, 2021, 3:02pm UTC](https://discourse.julialang.org/t/find-the-intersection-of-elements-of-powerset-one-by-one/72763 "2021-12-08T15:02:57Z")

</div>

Let S = { trigon, tetragon , pentagon , ... ,... } is a set of polygons How to calculate intersection of subsets of (every element actually) Powerset(S) Powerset(S) =\[ {} , {trigon} , {tetragon} , {pentagon} , {trigon,…

---

## [Most popular tabular/multidimensional data types in Julia](https://discourse.julialang.org/t/most-popular-tabular-multidimensional-data-types-in-julia/72766)

<div class="topic-metadata">

**Author:** [@Eagertom](https://discourse.julialang.org/u/Eagertom)\
**Replies:** 18\
**Last updated:** [December 8, 2021, 2:56pm UTC](https://discourse.julialang.org/t/most-popular-tabular-multidimensional-data-types-in-julia/72766 "2021-12-08T14:56:03Z")

</div>

I’m writing a Julia connector to a weather data API, and want some insight into the types of data preferred by the Julia community. It seems to me that the built-in DataFrames are very limited; furthermore, users might r…

---

## [Optimization Modeling / Data Science Consultant (Europe, Remote)](https://discourse.julialang.org/t/optimization-modeling-data-science-consultant-europe-remote/72777)

<div class="topic-metadata">

**Author:** [@leethargo](https://discourse.julialang.org/u/leethargo)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 2:52pm UTC](https://discourse.julialang.org/t/optimization-modeling-data-science-consultant-europe-remote/72777 "2021-12-08T14:52:31Z")

</div>

Hi all, Doing The Math has a position for a consultant with experience in optimization modeling. We are a small group of consultants that offers support in quantitative decision support, both via development of softwar…

---

## [CUDA package test shows error](https://discourse.julialang.org/t/cuda-package-test-shows-error/72714)

<div class="topic-metadata">

**Author:** [@VOLCANIC\_9](https://discourse.julialang.org/u/VOLCANIC_9)\
**Replies:** 9\
**Last updated:** [December 8, 2021, 2:19pm UTC](https://discourse.julialang.org/t/cuda-package-test-shows-error/72714 "2021-12-08T14:19:13Z")

</div>

Recently, I downloaded and installed the CUDA package for Julia. The CUDA toolkit version 6.5 was also installed on my windows. I test package based on mentioned tutorial here: CUDA programming in Julia. After that, Ju…

---

## [Julia startup error during initialization of module GMP](https://discourse.julialang.org/t/julia-startup-error-during-initialization-of-module-gmp/32724)

<div class="topic-metadata">

**Author:** [@SocksNSandals](https://discourse.julialang.org/u/SocksNSandals)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 2:03pm UTC](https://discourse.julialang.org/t/julia-startup-error-during-initialization-of-module-gmp/32724 "2021-12-08T14:03:21Z")

</div>

With a fresh installation of julia on my mac (running High Sierra version 10.13.6), I am getting a “Error during initialization of module GMP” message on startup. I get the same error when I try to use packages like PyPl…

---

## [How to change the value of a parameter with DifferentialEquations?](https://discourse.julialang.org/t/how-to-change-the-value-of-a-parameter-with-differentialequations/72752)

<div class="topic-metadata">

**Author:** [@Luigi\_Marongiu](https://discourse.julialang.org/u/Luigi_Marongiu)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 1:53pm UTC](https://discourse.julialang.org/t/how-to-change-the-value-of-a-parameter-with-differentialequations/72752 "2021-12-08T13:53:21Z")

</div>

Hello, I have a series of differential equations, and I can change the value of the integrator with a back call like this: condition(u, t, integrator) = t==1000 # time of alteration affect!(integrator) = in…

---

## [How to fix GLMakie window while developing on VSCode?](https://discourse.julialang.org/t/how-to-fix-glmakie-window-while-developing-on-vscode/72772)

<div class="topic-metadata">

**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 1:52pm UTC](https://discourse.julialang.org/t/how-to-fix-glmakie-window-while-developing-on-vscode/72772 "2021-12-08T13:52:47Z")

</div>

There are few related questions on the forum but I couldn’t find the answer. Is there any option to fix the GLMakie window say to the right of the monitor and VSCode to the left so that whenever we run a new plot the win…

---

## [Interruptible routine: the routine does not receive SIGINT if there is no gap in the loop](https://discourse.julialang.org/t/interruptible-routine-the-routine-does-not-receive-sigint-if-there-is-no-gap-in-the-loop/72746)

<div class="topic-metadata">

**Author:** [@Bossax](https://discourse.julialang.org/u/Bossax)\
**Replies:** 5\
**Last updated:** [December 8, 2021, 1:30pm UTC](https://discourse.julialang.org/t/interruptible-routine-the-routine-does-not-receive-sigint-if-there-is-no-gap-in-the-loop/72746 "2021-12-08T13:30:05Z")

</div>

Hi all, I am learning to create an Interruptible routine for my camera sensor. My goal is to run an image acquisition routine on a remote process so that the local process can receive command from the user to perform ot…

---

## [Read MPS file using MathOptInterface and extract each variable from MOI](https://discourse.julialang.org/t/read-mps-file-using-mathoptinterface-and-extract-each-variable-from-moi/72753)

<div class="topic-metadata">

**Author:** [@gopal2017](https://discourse.julialang.org/u/gopal2017)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 1:28pm UTC](https://discourse.julialang.org/t/read-mps-file-using-mathoptinterface-and-extract-each-variable-from-moi/72753 "2021-12-08T13:28:42Z")

</div>

Please read the below code. It can read MPS file. How can I get each variable from m? Please share the code. using JuMP using GLPK using MathOptInterface const MOI = MathOptInterface mathoptformat\_model = MOI.FileFo…

---

## [Best practices for const used as globals](https://discourse.julialang.org/t/best-practices-for-const-used-as-globals/72734)

<div class="topic-metadata">

**Author:** [@anon69491625](https://discourse.julialang.org/u/anon69491625)\
**Replies:** 8\
**Last updated:** [December 8, 2021, 1:08pm UTC](https://discourse.julialang.org/t/best-practices-for-const-used-as-globals/72734 "2021-12-08T13:08:02Z")

</div>

so I am about to FINALLY write my first julia code after 1 year of deliberation. I decided to check out the workflow guidance in julia workflow guidance and have a few basic questions. 1 I want to have a set of linux fi…

---

## [\[ANN\] PencilFFTs: parallel FFTs of MPI-distributed arrays](https://discourse.julialang.org/t/ann-pencilffts-parallel-ffts-of-mpi-distributed-arrays/33191)

<div class="topic-metadata">

**Author:** [@jipolanco](https://discourse.julialang.org/u/jipolanco)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 10:09am UTC](https://discourse.julialang.org/t/ann-pencilffts-parallel-ffts-of-mpi-distributed-arrays/33191 "2021-12-08T10:09:50Z")

</div>

I’m happy to announce PencilFFTs.jl, a Julia package for performing parallel fast Fourier transforms using MPI. This package is an attempt to bring parallel FFTs to Julia. It is well adapted for running on thousands of …

---

## [Stackoverflow using backslash operator in Juno](https://discourse.julialang.org/t/stackoverflow-using-backslash-operator-in-juno/72755)

<div class="topic-metadata">

**Author:** [@sebastianmyrback](https://discourse.julialang.org/u/sebastianmyrback)\
**Replies:** 1\
**Last updated:** [December 8, 2021, 9:39am UTC](https://discourse.julialang.org/t/stackoverflow-using-backslash-operator-in-juno/72755 "2021-12-08T09:39:13Z")

</div>

Hi, I am using Juno for Julia 1.7 on macOS. I have a problem of receiving a Stackoverflow error when running a Julia script, which does not give an error when I type it in the REPL in Atom, nor the Julia terminal. I try …

---

## [Has Anyone Interfaced Julia with Haskell?](https://discourse.julialang.org/t/has-anyone-interfaced-julia-with-haskell/72751)

<div class="topic-metadata">

**Author:** [@TheCedarPrince](https://discourse.julialang.org/u/TheCedarPrince)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 8:03am UTC](https://discourse.julialang.org/t/has-anyone-interfaced-julia-with-haskell/72751 "2021-12-08T08:03:10Z")

</div>

Hi all, Out of curiosity, has anyone interfaced Julia with a Haskell instance? I am curious about bridging the two languages and was curious if anyone had attempted this before. Thanks! ~ tcp :deciduous\_tree:

---

## [Traces of transformed variables within Turing.jl models](https://discourse.julialang.org/t/traces-of-transformed-variables-within-turing-jl-models/53013)

<div class="topic-metadata">

**Author:** [@BradGroff](https://discourse.julialang.org/u/BradGroff)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 7:33am UTC](https://discourse.julialang.org/t/traces-of-transformed-variables-within-turing-jl-models/53013 "2021-12-08T07:33:58Z")

</div>

Hi all, Is it possible to make Turing return the transformations of random variables in chains? For instance: @model function silly\_example(y) x ~ Beta(1,1) z = x \> 0.5 # This guy! y ~ Normal…

---

## [Specify AsTable output column names](https://discourse.julialang.org/t/specify-astable-output-column-names/72742)

<div class="topic-metadata">

**Author:** [@jzr](https://discourse.julialang.org/u/jzr)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 7:31am UTC](https://discourse.julialang.org/t/specify-astable-output-column-names/72742 "2021-12-08T07:31:53Z")

</div>

Can I specify the name of the output column? using DataFrames, Chain @chain DataFrame(a=\[1,2,3,1,2,3\], b=\[:x, :y, :z, :x, :y, :x\]) begin groupby(:a) combine(:b=\>unique=\>:b, :b =\> (b-\>mean.(map(b₀-\>b₀.==b, unique(b)))) =\>…

---

## [How compare two vectors in conditional](https://discourse.julialang.org/t/how-compare-two-vectors-in-conditional/72747)

<div class="topic-metadata">

**Author:** [@Sbeltranj](https://discourse.julialang.org/u/Sbeltranj)\
**Replies:** 3\
**Last updated:** [December 8, 2021, 6:39am UTC](https://discourse.julialang.org/t/how-compare-two-vectors-in-conditional/72747 "2021-12-08T06:39:18Z")

</div>

Hi, I want to make the comparison between two vectors, it must have the condition that a \< 0 and b \< 0, this is my code: a = vec(rand(8,1)) b = vec(rand(8,1)) if a .\< 0 && b .\< 0 #compare two vector a = 0 b = 1…

---

## [Testing a package with runtests.jl does not generate graphical outputs](https://discourse.julialang.org/t/testing-a-package-with-runtests-jl-does-not-generate-graphical-outputs/16539)

<div class="topic-metadata">

**Author:** [@BVPs](https://discourse.julialang.org/u/BVPs)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 5:40am UTC](https://discourse.julialang.org/t/testing-a-package-with-runtests-jl-does-not-generate-graphical-outputs/16539 "2021-12-08T05:40:53Z")

</div>

My students and I have been developing a package in Julia, and under the test directory, we have a file runtests.jl as the other packages. In it, we try to run some plotting functions to show some graphics (via Plots.jl)…

---

## [Quarters into integers](https://discourse.julialang.org/t/quarters-into-integers/72712)

<div class="topic-metadata">

**Author:** [@Linnea](https://discourse.julialang.org/u/Linnea)\
**Replies:** 7\
**Last updated:** [December 8, 2021, 3:06am UTC](https://discourse.julialang.org/t/quarters-into-integers/72712 "2021-12-08T03:06:10Z")

</div>

Hi, I am having issues with the date format of an imported time series from a csv file since they are reported as strings (“1977-Q1” and so on). I have convert them into quarters by Dates.jl and MonthlyDates.jl, but I ne…

---

## [Citing error in bib file for Graph jl](https://discourse.julialang.org/t/citing-error-in-bib-file-for-graph-jl/72701)

<div class="topic-metadata">

**Author:** [@yusri-dh](https://discourse.julialang.org/u/yusri-dh)\
**Replies:** 2\
**Last updated:** [December 8, 2021, 1:55am UTC](https://discourse.julialang.org/t/citing-error-in-bib-file-for-graph-jl/72701 "2021-12-08T01:55:05Z")

</div>

I am trying to cite Graphs jl in paper using the citation bib inside the github page: @misc{Graphs2021, author = {James Fairbanks, Mathieu Besançon, Simon Schölly, Júlio Hoffiman, Nick Eubank, and Stefan Karpin…

[Previous page](https://discourse.julialang.org/latest.md?page=1183)

[Next page](https://discourse.julialang.org/latest.md?page=1185)