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Random boolean in Rust

Prerequisites

[dependencies]
rand = "0.8.5"

Usage example

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Install XnView on Linux using flatpak

Optional

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

Install XnView

flatpak install https://dl.flathub.org/repo/appstream/com.xnview.XnViewMP.flatpakref

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Make a struct clonable in Rust

Also, we make it debuggable

fn main() {
    let user = User {
        active: true,
        username: String::from("someusername123"),
 email: String::from("[email protected]"),

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Debug struct in Rust

Problem

This will not work

struct User {
    active: bool,
    username: String,

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Split string by char in Rust

One way

let original = "What a day!";
let split: Vec<&str> = original.split(" ").collect();
dbg!(&split);

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Globally prevent cargo new from creating .git directories inside newly created packages

Problem

When calling cargo new package_name, cargo by default creates a .git/ directory inside the newly created package. If that's not something that you want, continue reading.

Solution

Modify global Cargo config file

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Another learning about the fantastic dbg! macro: always pass vars as references!

This works:

let mut s = String::from("hello");
dbg!(&s);

s.push_str(", world!");
dbg!(&s);

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Switch focus between VS Code editor and integrated terminal

1. Open the Command Palette (Ctrl+Shift+P Windows/Linux or ⇧ ⌘ P Mac).

2. Type "Preferences: Open Keyboard Shortcuts (JSON)" and press Enter.

3. Add the following entries to the keybindings.json file:

// Toggle between terminal and editor focus

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Protect yourself from accidentally leaking sensitive information

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pandoc -V geometry:a4paper -V colorlinks=true -f rst --toc -o output.pdf input.rst