The Open-Closed Principle is the second principle of SOLID. Let’s know what OCP is, its limitations, and how can we follow it correctly — Introduction SOLID principles are a set of principles set by Robert C.Martin (Uncle Bob). The main goal of these principles is to design software that is easy to maintain, test, understand, and extend. These principles are: Single Responsibility Principle Open-Closed Principle

The Single Responsibility Principle is tricky to follow, but why? Let’s dig into it. — Introduction I believe that every developer should be familiar with the SOLID principles. The SOLID principles are comprised of five principles that all aim for the same purpose: writing understandable, readable, maintainable, and testable code, especially in the OO style that many developers can collaboratively work on.

Introduction In the SQL world, a transaction is a unit of work that include single or multiple operations that query or modify data of a database, transforming the database from one consistent state to another. To achieve this consistency and guarantee data integrity, transactions have four properties with the acronym ACID. A glance at ACID properties …

Introduction GraphQL is one of the most fantastic tools presented in the software world in the last few years. That’s for many reasons: its strongly typed schema, avoiding over-etching or under-fetching, a handy tool for both server and client-side, composing multi API (Stitching), and the great community. Directives are among the…

Introduction In fact, when you come to choosing your uploading methodology, there are a lot of options you can go with. One of these options is saving your files as binary data into the database, MongoDB GridFS applies this pattern. …

Introduction As you know, Design Patterns are special solutions designed by experts for common problems. They are not a ready-to-use library or a package, conversely, they are general concepts you can follow to solve your problem regardless of the programming language you use. There are three major categories for these patterns…

Exploring the different ways of handling async operations in JavaScript. — Introduction In synchronous programming, one task can run at a time and every single line of code blocks the next one. On the other hand in asynchronous programming, operations like reading from a file or performing an API call can be launched in the background which drastically improves the app performance. …