To make a element to be recognized by Safari:main {    display: block;    width: 800px;    height: 800px;    background-color: #0C0; }You need to focus on:main {    display: block; }

To solve this issue for drag and drop event, dragLeave fires before drop sometimes:onDragOver = function(e) { e.stopPropagation() } onDrop = function(e) {    /* for drop */ }Under drop, you can set this:function drop(ev) {    event.preventDefault();    var data=event.dataTransfer.getData("Text");    event.target.appendChild(document.getElementById(data)); }

Absolutely positioning will not conflict with flex containers. You need to set the parent width and values as well:.parent {    display: flex;    justify-content: center;    position: absolute;    width:100% }The following is the HTML:    text

Both are same in terms of matching elements. Let us see an example:                             If you have CSS rules with both selectors matching the same elements, then your div: not(:first-of-type) will get precedence due to the: first-of-type pseudo-class.

To set focus on a text input in a list, try the following code:newApp.directive('focus', function () {    return function (scope, element, attrs) {       attrs.$observe('focus', function (newValue) {          newValue === 'true' && element[0].focus();       });    } });The following is the HTML:{{cue.isNewest}}

The following table describes the possible error codes returned in the PositionError object:CodeConstantDescription0UNKNOWN_ERRORThe method failed to retrieve the location of the device due to an unknown error.1PERMISSION_DENIEDThe method failed to retrieve the location of the device because the application does not have permission to use the Location Service.2POSITION_UNAVAILABLEThe location of ... Read More

Storing sensitive data on local machine could be dangerous and could leave a security hole. The Session Storage Data would be deleted by the browser immediately after the session gets terminated.To clear a local storage setting you would need to call localStorage.remove('key'); where 'key' is the key to the value ... Read More

Web RTC introduced by World Wide Web Consortium (W3C). That supports browser-to-browser applications for voice calling, video chat, and P2P file sharing.Web RTC implements three API's as shown below −MediaStream − get access to the user's camera and microphone. RTCPeerConnection − get access to audio or video calling facility. RTCDataChannel − get ... Read More

While deleting the row from the parent table, if the data of that row is used in the child table then MySQL will throw an error because of the failure of FOREIGN KEY constraint. It can be understood with the example of two tables named ‘customer’ and ‘orders’. Here, ‘customer’ ... Read More

In this article, we will learn about “how to use the Yum command” for installing the packages. Also note that, the repositories on the Cent OS 6.7 YUM (Yellowdog Update Modified) is a tool used to develop by Redhat. You can use this materials for learning the YUM.Managing Software with ... Read More