Xrayez

Prompts

Added Complexity Justification

There exists a method known to solve a problem. However, it is not clear why the method is necessary to apply or whether using it justifies the added complexity. For learning purposes, provide a practical example that demonstrates a problem in detail without using the said method. After that, provide an example that incorporates the method, allowing the problem to be solved. Describe the reasons why it is beneficial to do so and suggest simpler alternative solutions, if necessary. Format the response in Markdown. The question is:

Five whys

Given a statement, apply the "Five whys" technique. For each of the five questions, provide a detailed answer, nothing more. Format the entire response in Markdown, alternating questions and answers. The statement is:

Xrayez

-- Greatest Common Divisor (Euclidean algorithm).
 function math.gcd(a, b)
    local t
    while b ~= 0 do
        t = b
        b = math.fmod(a, b)
        a = t
    end
    return a
end

Xrayez

import java.util.*;

public class BreadthFirstIterator<T> implements Iterator<T> {
    private Set<T> visited = new HashSet<>();
    private Queue<T> queue = new LinkedList<>();
    private Graph<T> graph;

    public BreadthFirstIterator(Graph<T> g, T startingVertex) {
        if(g.isVertexExist(startingVertex)) {
            this.graph = g;

Xrayez

# Ported from https://www.daniweb.com/programming/software-development/threads/321181/python-bresenham-circle-arc-algorithm

-- Bresenham circle
function circle(radius)
    local pixels = {}
    local switch = 3 - (2 * radius)
    local x = 0
    local y = radius
    while x <= y do
        table.insert(pixels, {x, -y})

Xrayez

# Get a list of absolute directory paths starting from current directory recursively.
Get-ChildItem -Recurse -Directory | Select Fullname

Xrayez

git branch -m master newname
git push origin newname
# Change "Default Branch" in settings/options in GitHub
git push --delete origin master

Xrayez

get-pr() {
    git fetch origin pull/"$1"/head:pr-"$1";
    git checkout pr-"$1";
}

Xrayez

-- Uses 0.25 step between shades of color, a total of 23 colors.
-- Assumes `color` to be already implemented as a callable table or a function.
local colors = {
	color(1.0, 0.0, 0.0), 
	color(1.0, 0.25, 0.0),
	color(1.0, 0.5, 0.0),
	color(1.0, 0.75, 0.0),
	color(0.75, 1.0, 0.0),
	color(0.5, 1.0, 0.0),
	color(0.25, 1.0, 0.0),

Xrayez

#!/bin/sh
#
# An example git hook which shows how to append an arbitrary bit of information to a commit.
# The following appends some version number to a commit message.
#

VERSION=$(command --version) # `command` is any executable
BUILD="Xrayez" # Some arbitrary name

# Ensure that version contains some build name

Xrayez

#!/bin/bash
#
# Build the latest MinGW toolchain
#
# WARNING: this is just a list of steps and not an actual script, some steps could work though...
#

# Download MXE 
git clone https://github.com/mxe/mxe.git && cd mxe