kolosovsky

repositories=( 'path/to/repo1' 'path/to/repo2' 'path/to/repo2' )

for i in "${repositories[@]}"
do 
   cd $i;
   if [ -z "$(git status --porcelain)" ]; then 
     echo "repo is clean: $i";
   else
     git add . && git commit -m 'message';
   fi

kolosovsky

Transformation matrix in JavaScript

• Theory https://dev.opera.com/articles/understanding-the-css-transforms-matrix/
• Theory https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Matrix_math_for_the_web
• Live demo https://jsfiddle.net/Kolosovsky/rkqfzttk/

function multiplyMatrices(matrixA, matrixB) {
  let aNumRows = matrixA.length;
  let aNumCols = matrixA[0].length;

kolosovsky

The computation of the axis-aligned bounding box (AABB) in JavaScript

Polygon (rectangle, triangle, etc.)

Live demo https://jsfiddle.net/Kolosovsky/tdqv6pk2/

let points = [
	{ x: 125, y: 50 },
	{ x: 250, y: 65 },

kolosovsky

Sorting algorithms in JavaScript

var i = -1,
	arr1 = [],
	arr2 = [],
	arr3 = [],
	arr4 = [],
	randomNumber;