Gateway for Preparing Interviews
You’ve already provided your product’s stakeholders with training in Scrum. After the initial phase of trying to apply the concepts, when the very first obstacles are encountered, some of these stakeholders begin to resist continued adoption. What is your strategy for and experience in handling these situations? This question is meant to encourage an exchange … Read more
What do you know about Traits in Laravel? PHP Traits is a group of methods which can be included within another class. A Trait cannot be instantiated by itself like an abstract class. Traits are generated to reduce the limitations of single inheritance in PHP. It allows a developer to reuse sets of methods freely … Read more
Explain some features of Magento? Magento has following basic features. SEO Friendly Google sitemap support Accounts of Customers Managing orders Report and analysis Site management Payment Marketing promotion and tools International support Extremely modular architecture How to enable product’s custom attribute visibility in frontend? In Manage Attributes section under custom attribute, select Yes for “Visible … Read more
When was C language developed? C language was developed in 1972 at bell laboratories of AT&T. What is an array in C? An Array is a group of similar types of elements. It has a contiguous memory location. It makes the code optimized, easy to traverse and easy to sort. The size and type of … Read more
How can you make a property optional in Swift? We have to declare a question mark ??’ in the code to make a property optional. If a property doesn’t have a value, then the symbol ? helps to avoid the runtime error. What are the different collection types available in Swift? There are two varieties … Read more
When would you prefer a class component over functional components? We prefer class component when the component has a state and lifecycle; otherwise, the functional component should be used. What is the difference between React Native and Xamarin? The essential differences between React Native and Ionic are: React Native is an open-source JavaScript framework developed … Read more
Explain the doBy package? This package is used to define the desired table using function and model formula. Give names of those packages which are used for data imputation. There are the following packages which are used for data imputation MICE missFores Mi Hmisc Amelia imputeR Explain S3 and S4 systems. In oops, the S3 … Read more
How can we implement polymorphism in Java ? Polymorphism is the capability of an action or method to do different things based on the object that it is acting upon. There are two types of polymorphism:- Method Polymorphism through overloading. Object polymorphism by inheritance / interfaces. What are the advantages of the model over the … Read more
What is an EXE and a DLL? Exe and DLLs are Assembly executable modules. Exe is an executable file. This runs the application for which it is designed. An Exe is generated when we build an application. Hence, the assemblies are loaded directly when we run an Exe. However, an Exe cannot be shared with the … Read more
What is the difference between custom themes and normal themes? Custom themes are very straightforward to format. You don’t need much technical knowledge to change in the coding part. The custom theme allows for SEO search, but with an SEO plugin available it would not make much difference to a normal theme. What is GNU? … Read more