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Functioning of permutedims in Julia unclear


By : Mohiuddin Ahmed
Date : August 29 2020, 04:00 PM
To fix the issue you can do The docs of Julia sometimes do not have a complete explanation on a given topic.
permutedims(A::AbstractArray, perm)
code :
A = ones(10,20,30) # Creates an array full of 1 of the size (10,20,30)
B = permutedims(A, (3,1,2)) 

println(A == B) 
println(size(B))
false
(30, 10, 20)


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Can Julia (julia-lang) code be statically analyzed to avoid run-time type errors?


By : kiril m
Date : March 29 2020, 07:55 AM
I hope this helps you . I think the answer depends on which kind of run-time error you want, since Julia's compile-time occurs at a point in time that most compiled languages would call run-time.
If you type the inputs of all of your functions and also type all of the variables in all of your functions, you'll be able to get a lot of type errors at Julia's compile-time.

Are there any Julia commands which return an exit code depending on whether or not Julia is installed?


By : Dilu
Date : March 29 2020, 07:55 AM
Hope this helps With bash you could use the builtin command to get information about what will happen if you try to run a command. One upshot from that is that you could use it to tell if nothing would happen as well, that is, if that command doesn't exist (as an executable, alias or function). So if you run
code :
command -v julia &>/dev/null
if command -v julia &>/dev/null; then
    echo "Something would happen"
else
    echo "Nothing would happen"
fi

Julia : JLD package doesn't work when running Julia development version


By : Ankit Khachane
Date : March 29 2020, 07:55 AM
I wish did fix the issue. When using the development version of Julia, you need to use the development versions of the packages (which works for packages where the developer keeps master up-to-date but hasn't tagged yet). If you run Pkg.checkout("JLD") to checkout master, JLD should work (works on my machine. Note you may need to Pkg.update() before checking out, and you may need to quit Julia and re-open it to recompile the new version).
But as a word of caution, don't use the development versions of Julia as a way to test things out. Remember, the language is still in alpha and there is no guarantee that the package ecosystem or Julia itself will work with the daily master. The dailies are good for working on the language and preparing packages for the next version (and being ballsy I guess).

Julia and Bash - Julia's shell mode doesn't execute ~/.bash_profile (or ~/.bashrc)


By : user2583908
Date : March 29 2020, 07:55 AM
Does that help .bash_profile is only ready when bash is started as a login shell (e.g. using --login CLI option). Apparently Julia starts bash as a normal (non-login) shell, in which case bash will only read .bashrc file.
To keep things relatively simple, you should probably move the code you want to always be executed into .bashrc, and then source .bashrc from .bash_profile like this:
code :
[ -r ~/.bashrc ] && source ~/.bashrc

Unclear If statement functioning


By : user3714774
Date : March 29 2020, 07:55 AM
wish helps you When you use comparison operators (>, <, >=, <=) with string types instead of numerical types (int, float, etc), the two values are compared using alphabetical sorting to determine which one is greater - even if your string just contains numbers. Strings that start with a 1 will be sorted low, even if that string is 100; strings that start with a 9 will be sorted high, even if that string is 9.
For example, try this in your python REPL:
code :
>>> 9 < 100
True
>>> "9" < "100"
False
listed_numbers = numbers.split(" ")
listed_numbers = [int(i) for i in numbers.split(" ")]
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