https://cleverheap.com/ Recent content on CleverHeap https://cleverheap.com/cleverheap_logo.png https://cleverheap.com/ Hugo -- gohugo.io en-us Wed, 25 Feb 2026 14:11:34 +0200 https://cleverheap.com/posts/frontend-patters-in-cqrs/ Wed, 25 Feb 2026 14:11:34 +0200 Aleksandar Bjelosevic Vladimir Marinkovic https://cleverheap.com/posts/frontend-patters-in-cqrs/ CQRS is an architectural pattern for separating state-mutating commands’ actions from state-delivery queries’ actions. Its benefits can be versatile from organizing your code-base by introducing boundaries of business logic - up to solving collaboration and data staleness. Although, it is well known pattern for building backend APIs, it’s frontend counterpart can be overlooked when considering such architecture. Here we provide some of the common frontend patterns powered by Tanstack React Query that work well with CQRS… https://cleverheap.com/posts/road-to-unity-2d-part-04/ Tue, 24 Feb 2026 10:23:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/road-to-unity-2d-part-04/ In this fourth part of the blog series, we introduce an easy to use camera library that will allow tracking your input-controlled game object. https://cleverheap.com/posts/keycloak-localization/ Mon, 25 Aug 2025 20:07:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/keycloak-localization/ In order to ease and provide more flexibility in working with Keycloak templates, project Keycloakify was introduced. It allows you to draft, test and create custom themes where you can improve UX, customize the look and feel of your pages or email templates… https://cleverheap.com/posts/transaction-isolation-level/ Fri, 22 Aug 2025 13:44:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/transaction-isolation-level/ Vast of the today’s applications leverage on some type of a database that provides ACID guarantees with transactions. It is important to know the differences between different isolation levels to facilitate the choice when applying them… https://cleverheap.com/posts/dbup-migrations/ Sun, 22 Jun 2025 15:28:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/dbup-migrations/ DbUp is lightweight .NET library that performs forward migrations for SQL servers. The only problem is that core library doesn’t support migrations rollback. However, there is a solution to create up/down migration scripts… https://cleverheap.com/posts/keycloak-export-settings/ Sat, 17 May 2025 15:12:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/keycloak-export-settings/ Once you dealt with Keycloak setup for a realm, you might need a way to export that configuration and reuse it for other environments. This post will guide you on how to do that. https://cleverheap.com/posts/keycloak-with-aspnet-webapi/ Fri, 16 May 2025 15:15:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/keycloak-with-aspnet-webapi/ In this post we’ll demonstrate a basic usage and integration with Keycloak identity server. We’ll built a backend Rest API solution to authorize incoming requests and a client application to implement login feature using OpenId Connect with Authorization Code Flow type. https://cleverheap.com/posts/road-to-unity-2d-part-03/ Sat, 29 Mar 2025 14:05:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/road-to-unity-2d-part-03/ The third part of the blog series where we introduce game objects’ collision handling. We’ll explain how to use collision boxes and rigid bodies to prevent objects to overlap. Instead, the objects will bounce off the box’s boundaries when they are brought close to each other. https://cleverheap.com/posts/road-to-unity-2d-part-02/ Sat, 22 Mar 2025 19:49:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/road-to-unity-2d-part-02/ The second part of the blog series where we add behavior to the Game Objects that we have prepared in the part 1. Besides enabling our boat object to be controlled by keyboard inputs, we’ll also show how to make main camera to follow your game object. https://cleverheap.com/posts/road-to-unity-2d-part-01/ Sat, 15 Mar 2025 16:28:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/road-to-unity-2d-part-01/ You want to build a game, but don’t know where to start? These blog post series are about the concepts I grasped on my own journey of learning game development in Unity. In order to start small, I decided to begin with 2D games development and see where it leads me… https://cleverheap.com/posts/dotnet-build-stuck/ Sat, 28 Sep 2024 15:00:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/dotnet-build-stuck/ Recently, my team experienced an issue within cloud pipeline where our DotNet solution build execution kept getting stuck and hanged for a long time, until it finally timed out… https://cleverheap.com/posts/dotnet-core-with-docker/ Sat, 02 Apr 2022 10:46:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/dotnet-core-with-docker/ This article will explain how to start with setting up Docker configuration for deployment and test execution of your dotnet core solution. https://cleverheap.com/posts/cheaper-with-fargate-spot/ Sat, 04 Dec 2021 17:55:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/cheaper-with-fargate-spot/ In case you are running your container instances on AWS Fargate, there is a way to reduce your costs by using Fargate Spot capacity provider… https://cleverheap.com/posts/about-halo-backend/ Sun, 10 Oct 2021 16:10:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/about-halo-backend/ This article is a summary of lessons learned from talks and publications that described what Halo service team was building back in 2013. We discovered a lot about their backend implementation and architecture, that we found very insightful… https://cleverheap.com/posts/hello-world/ Sat, 18 Sep 2021 20:06:34 +0200 Vladimir Marinkovic https://cleverheap.com/posts/hello-world/ Dear reader, we hope you are doing well, and we wish to thank you for your interest and visit to our blog. So let us introduce ourselves… https://cleverheap.com/team/team/ Mon, 01 Jan 0001 00:00:00 +0000 https://cleverheap.com/team/team/ https://cleverheap.com/topics/topics/ Mon, 01 Jan 0001 00:00:00 +0000 https://cleverheap.com/topics/topics/