Category algorithms
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...
The Twitter API enables developers to post tweets programmatically.
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...
An Amazon customer wants to buy a pair of jeans, a pair of shoes, a skirt, and a top but has a limited budget in dollars. Given different pricing options...
A merging algorithm takes two sorted lists as input and produces a single list as output, containing all the elements of the two inputs lists in sorted order.
Big O Notation is a mathematical notation that helps us analyze how complex an algorithm is in terms of time and space. When we build an application for one user...
Depth-First Search (DFS), is an algorithm to search for information in Graphs.
Tree data structures are non-linear data structures, and they allow us to implement algorithms much faster than when using linear data structures.
Write a method that, given an original number N, returns the smallest number with the same number of digits.
Category test-driven development
Test-driven development (TDD) is a development approach that emphasizes writing a test before writing the necessary code and then refactoring the code to optimize it.
Category design
The Unified Modeling Language is a graphical notation for modeling systems and conveying User software requirements. All developers must understand this notation before starting programming.
SOLID principles tell you how to arrange your functions into classes and how those classes should be interrelated.
SOLID principles tell you how to arrange your functions into classes and how those classes should be interrelated.
Category Web APIs
The HTTP 503 Service Unavailable server error response code indicates that the server is temporarily not ready to handle the request.
The Secure Socket Layer (SSL) enables a secured connection between a client and a server. SSL Handshake is a set of steps that make it possible for this secured connection...
This tutorial will show how to integrate OAuth2 with Spring Security in a Spring Boot application with OpenAPI 3.
The main idea for documenting our back-end RESTful APIs is to communicate to third-party developers what our endpoints are doing.
Category Coding Practices
Clean code can be read and enhanced by a developer other than its original author.
Category distribuited systems
Elasticsearch is a distributed real-time document store where every field is indexed and searchable.
Category Object-Oriented
Object-oriented concepts give you a solid foundation for making critical design decisions.
Category Domain-Driven Design
A Domain is an area of knowledge associated with a problem we are trying to solve.
Category Language
A helpful vocabulary with the most common words when working as a software developer in Germany.
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...
