Gateway for Preparing Interviews
Explain about session interface This represents hibernate session which perform the manipulation on the database entities. Some of the activities performed by session interface are as follows they are managing the persistence state, fetching persisted ones and management of the transaction demarcation. What is Lazy Loading In Hibernate Lazy setting decides whether to load child objects … Read more
What is the difference between joining and blending in Tableau? The Joining term is used when you are combining data from the same source, for example, worksheet in an Excel file or tables in an Oracle database. While blending requires two completely defined data sources in your report. What is the Alternative Hypothesis? To explain … Read more
In what order are the blocks linked in the blockchain? Blockchain always links each block in backward order. In other words, blockchain links each block with its previous block. What are the types of consensus algorithms? There are many types of consensus algorithms or techniques available. The most popular consensus algorithm is: Proof-of-Work(PoW) Proof-of-Stake(PoS) Delegated … Read more
What are some most commonly used PHP based CMS? Following are some most commonly used PHP based CMS: Drupal Joomla WordPress TYPO3 What is Drupal weight? The term weight in Drupal is used to order nodes. Nodes with lower weight will be at top of the list while nodes with heavier weight will be at … Read more
What is JSP? JSP is a dynamic scripting capability for web pages that allows Java as well as a few special tags to be embedded into a web file (HTML/XML, etc). The suffix traditionally ends with .jsp to indicate to the web server that the file is a JSP files. JSP is a server side … Read more
What is the physical storage length of TIMESTAMP data type? TIMESTAMP data type takes 10 bytes and default is YYYY-MM-DD: HH: MM:SS-NNNNNN What is SQLCA? SQLCA stands for Server Query Language Communication Area. Basically, it is a collection of variables that may be updated after the execution of every SQL statement. A program having SQL … Read more
Explain Django. Django is a free and open source web application framework, written in Python. It is a server-side web framework that provides rapid development of secure and maintainable websites. What are the two important parameters in signals? Two important parameters in signals are: Receiver: It specifies the callback function which connected to the signal. … Read more
What is Vue.js?/ What do you understand by Vue.js? Vue.js is a progressive framework of JavaScript used to create Dynamic User Interfaces and single-page applications. What is Vue Router? What do you understand by Vue Router? The official router of Vue.js is called Vue Router. It is by default integrated with Vue.js core and used … Read more
What is immutable object in Java? Can you change values of a immutable object? A Java object is considered immutable when its state cannot change after it is created. Use of immutable objects is widely accepted as a sound strategy for creating simple, reliable code. Immutable objects are particularly useful in concurrent applications. Since they … Read more
What is the core concept of Ember.js? Following are some concepts used in Ember.js: Store: This is a central repository and cache of all records available in an application. Controller and admin can access it. Models: It specifies a class which defines the data of properties and behavior. Records: It specifies an instance of a model which contains … Read more