Gateway for Preparing Interviews
What is Azure Redis Cache? Redis cache is an open-source, in-memory data structure store, which is used as a database, cache, and message broker. Azure Redis Cache resembles the famous open-source Redis cache. It provides access to a secure and dedicated Redis cache that is managed by Microsoft and accessible from any application inside Azure. … Read more
What is a snapshot in Oracle database? A snapshot is a replica of a target master table from a single point-in-time. In simple words you can say, snapshot is a copy of a table on a remote database. What is the difference between pre-select and pre-query? A pre-query trigger fire before the query executes and … Read more
How to dump a table from a database. # [mysql dir]/bin/mysqldump -c -u username -ppassword databasename tablename > /tmp/databasename.tablename.sql How we get Sum of column mysql> SELECT SUM(*) FROM [table name]; How to allow the user “sonia” to connect to the server from localhost using the password “passwd”. Login as root. Switch to the MySQL … Read more
What is a template in Angular7? A template is a HTML view where you display your data by binding controls to Angular component’s properties. You can store your component’s template in one of two places. You can define it inline using the template property, or you can define the template in a separate HTML file … Read more
Name some network monitoring tools? Some most essential network monitoring tools are: Nagios OpenNMS Splunk Icinga 2 Wireshark What are the key components of DevOps? The most important key components of DevOps are: Continuous integration Continuous testing Continuous delivery Continuous mongering What is Azure DevOps? Azure DevOps is also known as Microsoft visual studio team … Read more
What are the different categories you can categorized the sequence learning process? Sequence prediction Sequence generation Sequence recognition Sequential decision What is classifier in machine learning? A classifier in a Machine Learning is a system that inputs a vector of discrete or continuous feature values and outputs a single discrete value, the class. Explain differences … Read more
What is AngularJS Expression? AngularJS expressions are written inside double braces {{ expressions }} or inside a directive: ng-bind=”expression”. AngularJS expressions are like JavaScript expressions which can contain literals, operators, and variables. What is Angular? Angular is a TypeScript-based open-source web application framework developed and maintained by Google. It is written in TypeScript language. Angular … Read more
Is Node.js free to use? Yes. It is released under MIT license and is free to use. Is Node a single threaded application? Yes. Node is a single-threaded application with event looping. What is the purpose of Node.js? These are the following purposes of Node.js: Real-time web applications Network applications Distributed systems General purpose applications … Read more
What is a View in Backbone.js? A view is the important part of the Backbone.js architecture. In a Backbone.js application, a view is responsible for the end user interface. The view defines the way in which the application looked at the user. The View is also responsible for listening to the events and reacting to … Read more
What is “applet”? A J2EE component that typically executes in a Web browser but can execute in a variety of otherapplications or devices that support the applet programming model. What are the components of J2EE application? A J2EE component is a self-contained functional software unit that is assembled into a J2EE application with its related … Read more