Understanding Inner workings of the Golang Channels — A goroutine is a lightweight user-space thread, which is managed by the Go runtime. It executes tasks concurrently, potentially in parallel. A channel is for communication between goroutines. In this post, we will delve into the inner workings of the channel and its send/ receive operations. Making Buffered channels Let’s first create a…

Confusion matrix, Accuracy, Precision, Sensitivity, Specificity, F1 score, and Roc curve, let’s remember them once for all — Despite having seen all these concepts more than a thousand times, I’m still getting confused sometimes. Is there a good way to think about all these concepts so that they start making sense? In this post, I will focus on how to remember them. …

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs and geospatial indexes with radius queries. Redis is the world’s most popular in-memory data…

gRPC is a high-performance, open-source framework for building remote procedure call (RPC) APIs. It uses Protocol Buffers (Protobuf) as its default data serialization format and supports bidirectional streaming, making it an ideal choice for building real-time applications. In this tutorial, we will explore how to use gRPC and Protobuf to…

Google has been making strides in the gaming industry with its cloud-based gaming infrastructure. Two of the most important components of this infrastructure are Open Match and Agones. In this post, we’ll take a look at these two technologies and how they work together to provide a seamless gaming experience. Open Match — How It Works …

Value objects are an essential design pattern in DDD, representing objects whose equality is determined by their attribute values rather than identity. In this post, we’ll dive into the DDD world of value objects and explore how to achieve its most important character namely immutability using Golang. Private Structs Fields Declare your value…

In Domain-Driven Design (DDD), a value object is an immutable object that represents a concept or a quantity that is important to the domain. Value objects are distinguished from entities in that they have no identity and are defined by their attributes. Value objects are important in DDD because they…

The Specification pattern is a design pattern that allows you to define a set of criteria for selecting objects in a collection. It is useful when you need to filter a collection of objects based on some criteria, but you don’t want to hard-code the criteria into your code. …

Business constraints play an important role in model design. They often emerge implicitly, and expressing them explicitly can greatly improve a design. In Domain-Driven Design (DDD), it is common to factor business constraints into methods to ensure that they are enforced consistently throughout the application. An example Here is an example of…