Debugging and Profiling

Why julia produces undef keys in dictionary

No Comments

# Julia code goes here Option 1: Using the `get` function One way to solve the issue of Julia producing undef keys in a dictionary is by using the `get` function. The

Unexpected pmap behaviour

No Comments

# Julia code goes here Option 1: Using @spawn One way to solve the unexpected pmap behavior in Julia is by using the @spawn macro. The @spawn macro allows us to create

When to use debug info warn and error in julia

No Comments

# Julia code goes here Introduction When working with Julia, it is important to understand when to use the different levels of debug information: debug, info, warn, and error. These levels help

Codecov missing function signatures in code coverage

No Comments

using Codecov function foo(x) if x > 0 return x else return -x end end function bar(y) if y > 0 return y^2 else return -y^2 end end function baz(z) if z

Implicit source argument to julia macro cant be used within quote block

No Comments

macro mymacro() quote x = 1 y = 2 z = x + y end end When using the Julia macro system, it is not possible to use an implicit source argument

Type instability in closure after reassigning a variable

No Comments

function create_closure() x = 1 return () -> x end f = create_closure() println(f()) # 1 x = 2 println(f()) # 1 When running the above code, we might expect the output

Incorrectcallargs warning when using outerjoin in vscode linter

No Comments

using DataFrames df1 = DataFrame(A = 1:3, B = [“a”, “b”, “c”]) df2 = DataFrame(A = 2:4, C = [“x”, “y”, “z”]) result = outerjoin(df1, df2, on = :A) Solution 1: Disabling

Julia plots animate gif hangs indefinitely

No Comments

using Plots animation = @animate for i in 1:10 plot(rand(10),rand(10)) end gif(animation, “animation.gif”, fps = 1) Solution 1: Using the Plots package The Plots package in Julia provides a simple way to

Problem with the xticks property when saving a plot which worked a few days ago

No Comments

using Plots # Create a simple plot plot([1, 2, 3], [4, 5, 6], xticks = [1, 2, 3]) # Save the plot as a PNG file savefig(“plot.png”) Solution 1: Update the Plots

Mismatch between llvm library used during precompilation atom juno

No Comments

using Pkg Pkg.build(“LLVM”) Pkg.build(“Atom”) Pkg.build(“Juno”) Option 1: Rebuild LLVM, Atom, and Juno If you are experiencing a mismatch between the LLVM library used during precompilation in Atom Juno, one solution is to

Category: Debugging and Profiling

Why julia produces undef keys in dictionary

Unexpected pmap behaviour

When to use debug info warn and error in julia

Codecov missing function signatures in code coverage

Implicit source argument to julia macro cant be used within quote block

Type instability in closure after reassigning a variable

Incorrectcallargs warning when using outerjoin in vscode linter

Julia plots animate gif hangs indefinitely

Problem with the xticks property when saving a plot which worked a few days ago

Mismatch between llvm library used during precompilation atom juno

Not stay with the doubts