Introduction: PostgreSQL, an advanced open-source database management system, offers various replication features to ensure data availability and redundancy. One of its key replication techniques is streaming replication, which allows for synchronous data replication between a primary server and multiple standby servers. In this blog post, we will delve into the inner workings of streaming replica... »
In my recent experience, I faced the challenge of integrating the Jest testing framework into an existing Vue3 js project that was built with Vite. I encountered difficulty finding helpful installation guides on various blogs. However, after multiple attempts and putting in a lot of effort, I eventually found a solution. In this blog post, I aim to provide a step-by-step installation guide that ca... »
Last week, we described the concept behind sticky sessions: you forward a request to the same upstream because there’s context data associated with the session on that node. However, if necessary, you should replicate the data to other upstreams because this one might go down. In this post, we are going to illustrate it with a demo. The overall design Design options are limitless... »
Hello, I’m working on a project using nuxt.js that other developers have already worked on. I don’t know much about nuxt.js and I’m having a problem that I can’t solve. When I do an npm run build then npm run start the application works normally, but when I do an npm run dev I get errors: TypeError: Cannot read properties of undefined (reading ... »
Introduction: Python, being a versatile and powerful programming language, offers a rich set of built-in data structures and algorithms through its Collection Framework. This framework provides a wide array of options for efficiently storing, manipulating, and accessing data. In this blog, we will delve into the Python Collection Framework and explore its various components, highlighting their fea... »