Jul-101

using BenchmarkTools

Please provide more context, and I'll do my best to create a solid post for you!

x = 10 # Int64 (default) y = 3.14 # Float64 z = "hello" # String b = true # Bool

| Type | Literal Syntax | Typical Use | |------|----------------|-------------| | (dense, column‑major) | [1,2,3] or [[1 2]; [3 4]] | General purpose. | | Tuple (immutable) | (1, "a", true) | Fixed‑size heterogeneous data. | | Dict (hash map) | Dict(:a=>1, :b=>2) | Key‑value look‑ups. | | Set | Set([1,2,2,3]) | Unique elements. | jul-101

| Target | Recommended Tool | |--------|------------------| | | Plain .jl files; run with julia myscript.jl . | | Notebooks | Pluto.jl (reactive) or IJulia (Jupyter). | | Web apps | Genie.jl (MVC web framework) or Dash.jl (Plotly‑style). | | Packages | Use Pkg.generate("MyPkg") , write Project.toml + src/MyPkg.jl , register on the General Registry if you want community exposure. | | Compiled binaries | PackageCompiler.jl → create_app . |

squares = [i^2 for i in 1:10] # → [1,4,9,…,100] evens = [i for i in 1:20 if iseven(i)]

| IDE | Quick‑Start | |-----|-------------| | | Install VS Code → Extensions → search “Julia”. | | Juno (Atom) | Install Atom → Packages → julia-client . | | Pluto.jl notebooks | Run julia -e 'import Pkg; Pkg.add("Pluto")' then julia -e 'using Pluto; Pluto.run()' . | | Jupyter (IJulia) | using Pkg; Pkg.add("IJulia") → jupyter notebook . | using BenchmarkTools Please provide more context, and I'll

using DataFrames, CSV

# Simple function greet(name) = "Hello, $name!"

| Command | What It Does | |---------|--------------| | ] | Enters mode (package manager). | | Ctrl‑C | Interrupts a running computation. | | ? | Opens help mode (e.g., ?sin ). | | ; | Drops to a shell (e.g., ;ls ). | | ^D (or exit() ) | Exits REPL. | | | Dict (hash map) | Dict(:a=>1, :b=>2)

# if/elseif/else if x > 0 println("positive") elseif x == 0 println("zero") else println("negative") end

module MyUtils export hello, add