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REST API Overview

APIs (Application Programming Interfaces) enable communication and data exchange between systems. Among the various types of APIs, REST (Representational State Transfer) has emerged as a popular architectural style for building...

How to implement Rate Limiting

A rate-limiting system controls the rate of traffic sent or received on a network interface. APIs will use rate-limiting techniques to control how many times application Clients are allowed to...

How to Post a Random Tweet using Twitter API

The Twitter API enables developers programmatically posting tweets.

Assemble Parts in Minimum Time

Write a method to calculate the minimum possible time to put the N parts together and build the final product. The input consists of two arguments: numOfParts, an integer representing...

REST client error handling - 503 Error

The HTTP 503 Service Unavailable server error response code indicates that the server is temporarily not ready to handle the request.

File Access Denied in a Cluster with Load Balancing

Load balancing is a process that routes network traffic to a group of backend servers, also known as a server pool. A load balancer is responsible for distributing incoming requests...