SQL is Structured Query Language, for storing, manipulating and retrieving data stored in relational database.Its a standard language for Relation Database System. All relational database management systems like MySQL, MS Access, Oracle, Sybase, Informix, postgres and SQL Server use SQL as standard database language.SQL is just a query language, it …
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JavaScript Variable Javascript uses variables to store values temporarily in internal memory. A variables values change depending on the results of an expression.Uses variables to store, retrieve, and manipulate values that appear in your code. Declaring variables JavaScript variables are used for storing data values.The var keyword is used for …
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JavaScript is a programming language designed for use in a web browser.It is lightweight and most commonly used as a part of web pages.It is an interpreted programming language with object-oriented capabilities.JavaScript can be placed in the <body> and the <head> sections of an HTML page.JavaScript code must be inserted …
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Hi all, Here I explain simple HelloWorld application using AngularJS. Before I start with creating actual HelloWorld application,let us see the actual parts of a AngularJS application.AngularJS application consists of three important parts they are: ng-app : This directive defines and links an AngularJS application to HTML. ng-model : This …
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Here is a simple tips to change the default portsof ftp ana ssh. To change the port of ssh,edit the file/etc/ssh/sshd_config and add the following line: port 222 Restart the service of ssh to make the changes effective.Now you need to specify the port number using option ‘-p’ whenever you …
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There are various ways by which you can disable a USB mass storage device. Here is how you can disable a USB device by editing grub.conf or menu.lst. Allyou need to do is open the file in a text editor and append nousb as one of the kernel parameters: kernel …
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Here I explain, how to perform number validation using pur javascript method. The values of the Number field textbox is compared using isNaN() inbuilt function in JavaScript .If the values do not numeric values an error message is displayed like ‘Enter Numeric value only’. If the values are numeric then …
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Hi all, JavaScript syntax is the set of rules.JavaScript can be implemented using JavaScript statements in webpages that are placed within the <script>……..</script> HTML tags.You can place the <script> tags anywhere within your web page. but it is normally recommended that you should keep it within the <head> tags. A …
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AngularJS controllers tp control the flow of data in AngularJS applications.The ng-controller directive is used for defined controller.Its regular javascript object containing attributes/properties and functions. <div ng-app=”” ng-controller=”studentController”> … </div> studentController using ng-controller directive.Next step we’ll define the studentController as follows: <script> function studentController($scope) { $scope.student = { firstName: “Priya”, …
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