Suppose you have a class like this: public class Student { private String name; private int rollNumber; private int grade; private List subjects; } This is the Subject class public class Subject { private String sName; } You have an [...]
We can create and run the java Mapreduce programs in Eclipse as well as from command line. Using Eclipse - For Eclipse first we have to install the plugin for hadoop mapreduce which inherits the libraries required to implement the [...]
Static Blocks: Static block is used to initialize the static data members. It is executed before main method and constructor at the time of classloading. A class can have any number of static initialization blocks and they can appear anywhere [...]
Interface: In Java we have a concept called interfaces.A Java interface is same like a class, except a Java interface cannot contain an implementation of the methods, we have only signature of the method.It has static constants data member. Can [...]
A lambda expression is a new feature that has been added to Java 8. It is a function declared inside a method to which we can pass arguments as well as fetch lambda expressions in the form of return value [...]
ADF XML FORMAT ADF XML format stands for Auto-lead Data Format XML that is an automotive retailing industry standard data delivery format for import and export of automotive customer leads. This format is used as a way to format the [...]
In Salesforce, we can limit the records returned by the soql query using LIMIT and OFFSET clauses. In our case where we tried to fetch salesforce Product records by using “Salesforce Rest API” using the following query: $query = "Select [...]
In CakePHP application, core.php is configuration file and is located at app/Config/core.php. This file contains various variable definitions and constant definitions that alter the behavior of the application. The description of some important variables and their effect on the application [...]
In my plugin code I was trying to redirect from one page to another page using redirect as follows: redirect("success.php?cd=".$id); Redirecting to the other page was working but during redirection an intermediate page was being displayed like this: On click [...]
How to access Camera and upload the image/video to server? We can achieve above requirements easily by using HTML Media Capture : <form action="upload.php" method="post" enctype="multipart/form-data"> Capture Image: <input type="file" name="uploadedfile" accept="image/*" capture=”camera”> <input type="submit" value="Upload"> </form> To capture Audio [...]
In Adobe Captivate on a question slide if we want some feedback to be displayed instantly when user clicks radio button to select an option, it will not work. There is no option out of the box to achieve this. [...]
Should super() be the first method call in constructors, if yes why? What can go wrong if this were not the case? Explain with example. super() is a keyword in java which is used to refer to immediate parent class [...]
In moodle we can create scheduled tasks which will run after a defined interval. We also have cron jobs in moodle but they usually run after every minute so if we need to run a task after a particular time [...]
How to add exponents in Adobe Captivate 9 In one of our Adobe Captivate projects, we had a requirement to add mathematical exponents. Here is what we wanted to achieve: Writing “x raised to the power of 2” (exponents) Look [...]
Adobe Captivate is a tool which helps in creating attractive E-learning content such as courses and quizzes. One of the most useful feature that Adobe captivate provides to its user is question pool. Quiz questions can be added to question [...]
Requirement:- Sometimes we come across the requirement to fade out the text displayed on a webpage horizontally and want the DIV containing text scrollable. For Example: The requirement usually comes when there is a large amount of text on the [...]
Some important settings that can help you while working with CakePHP 3 or 2. 1. How to set Homepage for your website in CakePHP 3? Go to the root directory of your project. You will see config folder there. Inside [...]
We are using Json to retrieve value of a field from Json object but when field has no value it gives an error. For example from Blackboard LMS we can retrieve value of email field from JSON object with this [...]
AssignTo method is a getter method in Salesforce. It is used to assign the value of an attribute to a class variable in the associated custom component controller. Getter and Setter methods or a property with get and set values [...]
What is iCal attachment iCal attachment isn event that we put into the email so that when the receiver will click the it, an event will be added to his calendar. It looks like this in email: Example of iCal [...]