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Explain about ServletConfig Interface ServletConfig a ServletConfig object is used to obtain configuration data when it is loaded. There can be multiple ServletConfig objects in a single web application. This object defines how a servlet is to be configured is passed to a servlet in its init method. Most servlet containers provide a way to … Read more
List the programming languages used in AI. Python R Lisp Prolog Java What’s an eigenvalue? What about an eigenvector? The directions along which a particular linear transformation compresses, flips, or stretches is called eigenvalue. Eigenvectors are used to understand these linear transformations. For example, to make better sense of the covariance of the covariance matrix, … Read more
What are indexes? What are B-Trees Index makes your search faster. So defining indexes to your database will make your search faster.Most of the indexing fundamentals use “B-Tree” or “Balanced-Tree” principle. It’s not a principle that is something is created by SQL Server or ORACLE but is a mathematical derived fundamental.In order that “B-tree” fundamental … Read more
What is command line argument? The argument passed to the main() function while executing the program is known as command line argument. What is the use of the function in C? Uses of C function are: C functions are used to avoid the rewriting the same code again and again in our program. C functions … Read more
How can you secure the access to your S3 bucket? S3 bucket can be secured in two ways: ACL (Access Control List) ACL is used to manage the access of resources to buckets and objects. An object of each bucket is associated with ACL. It defines which AWS accounts have granted access and the type … Read more
Name some exceptions in Android? Inflate Exception Surface.OutOfResourceException SurfaceHolder.BadSurfaceTypeException WindowManager.BadTokenException Where are layouts placed in Android? Layouts in Android are placed in the layout folder. Who is the founder of Android? Andy Rubin. What is nine-patch images tool in Android? We can change bitmap images into nine sections with four corners, four edges, and an … Read more
How to create a Unicode string in Python? In Python 3, the old Unicode type has replaced by “str” type, and the string is treated as Unicode by default. We can make a string in Unicode by using art.title.encode(“utf-8”) function.
The Scrum Master Role as a Contradiction? The Agile Manifesto infers people over processes. Isn’t a Scrum Master — whose role is meant to “enforce” the process — therefore a contradiction? Scrum Masters do not wield any real authority but act as servant leaders. The Scrum Team does not report to them. This question is … Read more
Explain some of the PHP string functions? There are many array functions in PHP: strtolower() strtoupper() ucfirst() lcfirst() ucwords() strrev() strlen() How can you retrieve a cookie value? echo $_COOKIE [“user“]; Explain PHP variable length argument function. PHP supports variable length argument function. It means you can pass 0, 1 or n number of arguments. … Read more
What is doubly linked list? The doubly linked list is a complex type of linked list in which a node contains a pointer to the previous as well as the next node in the sequence. In a doubly linked list, a node consists of three parts: node data pointer to the next node in sequence … Read more