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Wrapper classes are the classes to convert the primitive types to objects of their respective class. We have many primitive types in Java like int, float, char etc. These primitive types can not be used in Collections as Collections only

Problem: Why we use @TestVisible annotation for a private method and private variable of a Class in Salesforce? Description: I have a situation where I want to call a private method of a class in the test class, whenever I

In PHP, the trait is a method of code re-usability. Php is single inheritance programming language. So there is a limitation of code reusability due to single inheritance. Traits in PHP is basically a method of code reusability. Traits have

1.Create an email template. For example, we created a template called “Leads: Welcome email” Somewhere in the template, add “ref:{Object Id of the record}” which you want to track the activity For example, in our template, we added ref: {!Lead.Id}.

1.Uploading a scorm package (.zip) in moodle: a. Log-in to moodle, navigate to your course and “turn editing on”: b. Click “Add an activity or resource” link: c. Select Scorm package from list and click Add button: d.Add basic information

In the program of uploading files to a server location, instead of using absolute location for saving file to that path, relative path needs to be used. Program was working correctly for absolute path. In the maven project with the

Issue: I had deployed latest war file of my Java project into tomcat’s webapps folder but I could not see any changes reflected while running my project. What I tried? It looked like war file must not have been uploaded properly.

Password hashing is the new recommended way to store the password using hashing method (PHP 5 >= PHP 5.5, PHP7). Password hashing is used to encrypt the password similar to the way md5, sha1, sha256 etc do. But this method

Interceptors are components that intercept requests before passing to controller and responses before rendering the view. Interceptors can intercept request and response in our web application. With the help of interceptor we can check whether a user has the authority