What is the purpose of "use strict" in Javascript?

Some of the javascript codebase that I am working on has  "use strict"; What is the use of this? . . .

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Multiple tinyMCE instances, plugins not working properly

Hi, I have multiple tinyMCE instances like  <script src="//cdn.tinymce.com/4/tinymce.min.js"></script> <script type="text/javascript"> tinymce.init({ selector: '#my . . .

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give automatic numbering to table row using css

I have a html table like below No Item Name Quantity Price 1 Abcd 12 10 2 decf 5 15 3 xyz 20 10 . . .

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How to display xml sitemap file in an html table

I have a xml sitemap file which contains all site urls like this   urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLoc . . .

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What is the easiest way to search a linked list and delete all nodes with data value greater than x?

Given an integer value x, how to search a linked list and delete all nodes with data value greater than x? How to optimally do this in Javascript?Update on 2016-11-17I am implementing the list in jav . . .

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Sort an array of objects (JSON) using JavaScript

There is an array of objects with a string attribute called name and a number attribute called age.  arr = [ {name: "abba", age: 23}, {name: "lovely", age: 23}, {name: "vincent", age: 5}, {name: . . .

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Conversion from type 'DBNull' to type 'String' is not valid

I am getting this error on my VB.net program Conversion from type 'DBNull' to type 'String' is not valid The error occurs at the below line strResult= dtGrid.Rows(i).Item("RESULT") dtGrid is a dat . . .

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Remove encryption from excel protected with IRM

I have an excel workbook that is encrypted by someone else with Information rights management (IRM). Is it possible to remove the encryption from this file? If i click on File -> Info ->Protect . . .

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MongoDB create unique index: E11000 duplicate key error collection dup key:{:null}

I am trying to create a unique key on a collection. It fails with the error message: > db.users.createIndex({userid:1},{unique:true}) {         "ok" : 0,     &nbsp . . .

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MongoDB migrations: Declaration of Jenssegers\Mongodb\Schema\Blueprint::primary() not compatible

I am using Laravel 5.3 with jenssegers mongodb package. I am getting this error when running php artisan migrate     [ErrorException]   Declaration of Jenssegers\Mongodb\Schema\Blue . . .

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Laravel Socialite Access Not Configured. Google+ API (truncated...) exception 'GuzzleHttp\Exception

Hi, I am setting up Socialite2.0 on Laravel 5.3. I registered FB and Google apps and configured services.php with credentials. Facebook login is working fine, but Google authentication fails at redi . . .

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How to refresh the contents of a div using AJAX and jQuery?

I want to refresh the content of a div periodically (eg: every 5s) . . .

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jQuery loop through unordered list and access inner text

Hi, I have span elements inside <li>, how can i access and change the text dynamically? <ul id="listA"> <li><span></span></li> <li><span></span&g . . .

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popover is not a function error

I have a form that use popovers..  and i have the following code inside document ready $(document).ready(function() { $('[data-toggle="popover"]').popover(); }); when the form is . . .

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Show new email notification in Outlook 2013

My outlook doesnt show any alert when a new mail comes. In the previous versions i  used to see a mail icon near to date time area in task bar and also hear a sound.  . . .

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