Yes, we can use DESCRIBE or EXPLAIN statements instead of SHOW COLUMNS statement to get the list of the columns in an existing table. In the example below we have applied DESCRIBE and EXPLAIN statement on ‘Employee’ table and got the same result set as got after SHOW COLUMNS statement ... Read More

You need to try the following to take photo from webcam using HTML5:Declare variablesvar streaming = false,    video = document.querySelector('#video'), canvas = document.querySelector('#canvas'),    photo = document.querySelector('#photo'),    startbutton = document.querySelector('#startbutton'),    width = 320,    height = 0;Using getUserMedianavigator.getMedia = ( navigator.getUserMedia ||           ... Read More

Try the following code to add a stop button to your audio in HTML5:function displayStopBtn() {    var myPlayer = document.getElementsByTagName('audio')[0];    myPlayer.pause();    myPlayer.currentTime = 0; }You can also include jQuery:$("#stopButton").click(function () {    audio.pause();    audio.currentTime = 0; });

For full page drag and drop files, try the following code:var myDrop = document.getElementById('dropZone'); function displayDropZone() {    myDrop.style.visibility = "visible"; } function hideDropZone() {    myDrop.style.visibility = "hidden"; } function allowDrag(ev) {    if (true) {       ev.dataTransfer.dropEffect = 'copy';       ev.preventDefault();    } } ... Read More

To move an HTML div in a curved path, use any of the following: CSS Transitions JavaScript (jQuery) HTML5 CanvasTry JavaScript to make it work in every browser.Use the animate() method. The animate() method performs a custom animation of a set of CSS properties.The following is the syntax:selector.animate( params, [duration, easing, callback] );Here ... Read More

In future, in the same like today, if any user still wants to use Flash they will have to enable Flash manually.HTML5 and Flex is the future.HTML5 is a cooperation between the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG). The latest versions of Apple ... Read More

You need to create an image object in JavaScript after that set the src.However, you need to wait for the load event before drawing.The following is the canvas:var canvas = document.getElementById("myCanvas"); var context = canvas.getContext("2d"); var myImg = new Image(); img.onload = function() {    context.drawImage(myImg, 0, 0); }; ... Read More

Use Mediaplayer of Android for playing audio. You need to call function of Android from JavaScript that you have written in HTML file.WebView wv = (WebView) findViewById(R.id.webview); wv.addJavascriptInterface(new WebAppInterface(this), "Android"); public class WebAppInterface {    Context mContext;    WebAppInterface(Context c) {       mContext = c;    } ... Read More

The canvas element has a DOM method called getContext, used to obtain the rendering context and its drawing functions. This function takes one parameter, the type of context 2d.Following is the code to get required context along with a check if your browser supports element:var canvas = document.getElementById("mycanvas"); if ... Read More

To embed a PDF file in an HTML5 page, use the element.           HTML iframe Tag               HTML5 Tutorial