nikitaeverywhere

/**
 * Code snippet for students ^^
 * Tarnavsky used this function to find t^-1 from prime number t and m.
 * Usage: var tMinusOne = getRevT(m, t);
 * Test case 1: getRevT(121, 5) === 97
 * Test case 2: getRevT(9, 7) === 13
 */
function getRevT (m, t) {
    function stage (a, b) {
        var r = a % b, q = Math.floor(a/b);

nikitaeverywhere

/*
 * This CSS describes the basics of trick to make CSS-only navigation.
 * This type of navigation uses #anchors to switch pages.
 * In this CSS anchor #page-main as well as empty anchor (#) describes the main page.
 * Valid markup for this example:
 * <div class="pages">
 *     <div class="page"> Page content 1 </div>
 *     <div class="page"> Page content 2 </div>
 * </div>
 */

nikitaeverywhere

/**
 * Returns the cell of the table by given (x;y) coordinates considering colSpan and rowSpan of the cells.
 * @param {HTMLElement} table - HTML table
 * @param {number} x - X position in table matrix
 * @param {number} y - Y position in table matrix
 * @returns {HTMLElement|null}
 */
var getTableCell = function (table, x, y) {
    var m = [], row, cell, xx, tx, ty, xxx, yyy;
    for(yyy = 0; yyy < table.rows.length; yyy++) {

nikitaeverywhere

/*
Pure CSS solution for centering content always on middle center of parent relative block.
*/

.central {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;

nikitaeverywhere

/**
 * Converts any date to "DD.MM.YYYY, hh:mm:ss" string.
 * Workaround for NodeJS Date.toLocaleString implementation.
 *
 * @param {Date} date - Date to format.
 * @returns {string} - Formatted date string.
 */
var formatDate = function (date) {
    return date.toISOString().replace(/(\d+)\-(\d+)\-(\d+)T\s?([^\.]*)\..*/, "$3.$2.$1, $4");
};

nikitaeverywhere

/**
 * Function breaks code for parts with span tags and according styles, but skips &*; html-symbol combinations and tag <br>
 *
 * @param string
 *  String to parse.
 * @returns {string}
 *  Parsed string.
 */
this.highlightHTML = function(string) {
    return string.replace(/(\/\*.*?(?=\*\/)\*\/)|([0-9]+\.?[0-9]+?)|(((<|&|&#)|(\^%?)|\/|\${0,3}|#{0,2}|%|\.|(\.\.))?[A-Za-z0-9]+[;>]?)|[{}\]\[\(\)!_'\\#\?\+\-\*\/=<>,]|("[^"]*")/g,