Laxis Biosciences Interview Questions and Answers

Multi role login system can be managed by assigning different access levels to each role.

• Create a database table for roles and their access levels

• Assign each user a role with corresponding access level

• Implement role-based access control (RBAC) to restrict access to certain features

• Use session management to keep track of user roles

• Provide an admin panel to manage roles and access levels

CSS methods for fixed headers and footers

• Use position: fixed property

• Set top or bottom property to 0 for fixed header/footer

• Add z-index property to ensure header/footer is on top

• Consider using padding or margin to avoid overlapping content

Data binding in Angular is a way to establish a connection between the UI and the application's data.

• Data binding allows automatic synchronization of data between the model and the view.

• It eliminates the need for manual DOM manipulation.

• There are different types of data binding in Angular, such as interpolation, property binding, event binding, and two-way binding.

• Interpolation: {{ data }}

• Property binding: [property]='data'

• Event binding: (event)='handler()'

• Two-way binding: [(...read more

Merge multiple sorted arrays into one sorted array

• Merge all arrays into one array

• Sort the merged array

• Return the sorted array

Static service in Angular is used to share data between components and persists data even after the component is destroyed.

• Static service is a singleton service that can be injected into any component.

• It is used to share data between components.

• Data persists even after the component is destroyed.

• It is useful for sharing data between sibling components.

• Example: a shopping cart service that persists the cart data across different pages.

Software development life cycle is a process followed by software developers to design, develop and maintain software.

• SDLC consists of several phases such as planning, analysis, design, implementation, testing, deployment, and maintenance.

• Each phase has its own set of activities and deliverables.

• SDLC models include Waterfall, Agile, and DevOps.

• SDLC helps in ensuring that the software is developed efficiently, meets the requirements, and is of high quality.

• SDLC also helps in r...read more

A nested list is a list that contains other lists as its elements.

• Nested lists can be created using square brackets and separating the elements with commas.

• Elements of a nested list can be accessed using indexing and slicing.

• Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

• Accessing element 5: my_list[1][1]