Gateway for Preparing Interviews
What are your strong points? or What are your strengths? Don’t just talk about your strengths, your interviewer genuinely wants to know about your strong points. Possible Answer #1: “I am passionate towards my work and also a good listener, which means, I take my instructions seriously. I am not a person who leaves things … Read more
Explain about addClass function This function translates a Java class name into file name. This translated file name is then loaded as an input stream from the Java class loader. This addclass function is important if you want efficient usage of classes in your code. So, which approach will you choose The best practice is … Read more
What are the advantages and disadvantages of R? Advantages Open Source Data Wrangling Array of Packages Platform Independent Machine Learning Operations Disadvantages Weak origin Data Handling Basic Security Complicated Language Lesser Speed The with() function applies an expression to a dataset, and the by() function applies a function to each level of factors. The lapply … Read more
What are differences between function and stored procedure in .Net programming language? The difference between function and stored procedure: Function returns only one value but procedure can return one or more than one value. Function can be used in select statements but procedure cannot be used. Function has only input parameters while Procedure can have … Read more
What is the storage system in the React Native? React Native storage is a simple, unencrypted, asynchronous, persistent system, which stores the data globally in the app. It stores data in the form of a key-value pair. React Native provides AsyncStorage class to store data globally. Using the AsyncStorage class, we need to have a data backup and … Read more
Explain Avatar and Gravatar in WordPress. Word Avatar is used for a user’s profile image in online communications. Gravatar is a web-based service which allows its users to use the Avatar image. How to optimize WordPress site performance? Optimization increases the speed of your site and gives the best possible outcome. It improves the ranking … Read more
Which are the storage engines used by MongoDB? MMAPv1 and WiredTiger are two storage engine used by MongoDB. What is the difference between MongoDB and CouchDB? Difference between MongoDB and CouchDB: MongoDB is faster than CouchDB while CouchDB is safer than MongoDB. Triggers are not available in MongoDB while triggers are available in CouchDB. MongoDB … Read more
How would you increase the Page Rank of a page? The Page rank of your page indicates the performance of your page. The page rank of a page depends on many factors such as quality of content, SEO, backlinks and more. So, to increase the page rank of a website you have to focus on … Read more
When does the compiler insist that the class must be abstract If one or more methods of the class are abstract. If class inherits one or more abstract methods from the parent abstract class and no implementation is provided for that method If class implements an interface and provides no implementation for those methods How … Read more
What is the use of GRANT option in IMP command? GRANT is used to import object grants. What is the difference between post-database commit and post-form commit? The post-database commit trigger is executed after Oracle forms issue the commit to finalized transaction while, the post-form commit is fired during the post and commit transactions process, … Read more