PSJ Strategywerks Software Developer Interview Questions, Process, and Tips

Reverse a linked list by changing the direction of pointers

• Iterate through the linked list and change the direction of pointers to reverse the list

• Use three pointers - prev, current, and next to reverse the list

• Example: 1 -> 2 -> 3 -> 4 -> null, after reversing: 4 -> 3 -> 2 -> 1 -> null

Event emitters are objects in Node.js that allow for communication between different parts of a program by emitting named events.

• Event emitters are part of the EventEmitter class in Node.js

• They allow for custom events to be emitted and listened for

• Listeners can be attached to specific events to execute code when the event is emitted

• Example: EventEmitter in Node.js can be used to create a custom event 'click' and attach...read more

ContextAPI is a built-in feature in React for managing global state, while Redux is a separate library for state management in React applications.

• ContextAPI is built into React, while Redux is a separate library

• ContextAPI is primarily used for smaller applications with simpler state management needs

• Redux is more suitable for larger applications with complex state management requirements

• Redux provides a centralized stor...read more

Optimizing a website involves improving performance, user experience, and search engine rankings.

• Minimize HTTP requests by combining files, using CSS sprites, and reducing scripts

• Enable browser caching to store website data locally for faster loading times

• Optimize images by resizing, compressing, and using the correct file format

• Use a content delivery network (CDN) to distribute content across multiple servers for fast...read more