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Found 7 results

  1. What's the issue? The example I am referring to is the Fisher Yates implementation on this page: https://www.w3schools.com/js/js_array_sort.asp This is the code in question: var points = [40, 100, 1, 5, 25, 10]; for (i = points.length -1; i > 0; i--) { j = Math.floor(Math.random() * i) k = points[i] points[i] = points[j] points[j] = k } If you run the example you will see the elements of the array shuffle around and everything will seem to be working as expected. The issue is subtle. With the above code block the element in the last position of the array can never
  2. I have tried some custom code to insert a road sign image into my lecture title, but it's not showing. Here's my snapshot screen I photoshopped (green highlight). This code is not showing up in the title. <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Liberian_Road_Signs_-_Regulatory_Sign_-_Stop.svg/120px-Liberian_Road_Signs_-_Regulatory_Sign_-_Stop.svg.png" style="width:10%;height:10%;"> Your assistance will be very much appreciated. James
  3. Hi all, please pardon me if i post to wrong section (it took me 3 days to even gain access this site). In your xsd tutorial, the Example 2 description is plain wrong, and it is confusing people. The faulty page is here: https://www.w3schools.com/xml/el_all.asp The error must be there for a long time, it even has its own post on stackoverflow https://stackoverflow.com/questions/5677154/how-do-i-make-items-optional-in-xsall Quote: "The example above indicates that the "firstname" and the "lastname" elements can appear in any order and each element CAN appear zero or one time!" To
  4. Hello everyone, I have a question about the PHP - AJAX example (http://www.w3schools.com/php/php_ajax_php.asp). In the PHP file, there is the variable " $hint ". But what is this variable used for? Here the code: $q = $_REQUEST["q"];$hint = "";// lookup all hints from array if $q is different from ""if ($q !== "") { $q = strtolower($q); $len=strlen($q); foreach($a as $name) { if (stristr($q, substr($name, 0, $len))) { if ($hint === "") { $hint = $name; } else { $hint .= ", $name"; } } }} You are dec
  5. Yes I'm a newbie in AJAX '&&' JavaScript. As I'm a pupil here, I find hurdle almost in any code... There is an AJAX code with some number value in it, like 4 - 200, but I can't understand the nature of this digits or what they are indicating... function loadDoc() { var xhttp; if (window.XMLHttpRequest) { // code for modern browsers xhttp = new XMLHttpRequest(); } else { // code for IE6, IE5 xhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xhttp.onreadystatechange = function() { if (xhttp.readyState == 4 && xhttp.status == 200) { document.get
  6. According to http://www.w3.org/TR/html5/document-metadata.html#the-base-element shouldn't the example in http://www.w3schools.com/tags/tag_base.asp have a base tag that points to the current page (not just the directory)? That would solve some problems with link fragments and query strings as outlined in e.g. http://stackoverflow.com/questions/1889076/is-it-recommended-to-use-the-base-html-tag EDIT: This is a possible way I'd modify the example: <head><base href="http://www.w3schools.com/page.html'>http://www.w3schools.com/page.html" target="_blank"></head><body&g
  7. some of the Angular examples don't work with current version (1.3.11) of angular.js the example at http://www.w3schools...y_ng_controller works fine until you change the version from 1.2.26 to 1.3.11 so changing the line <script src= "http://ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular.min.js"></script> to <script src= "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.11/angular.min.js"></script> breaks the example. This also applies to other examples that use controllers.
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