Programming Tutorials

53AIHub 53AI Hub is an open-source AI portal, which enables you to quickly build a operational-level AI portal to launch and operate AI age

For a long time, if you wanted to send a "Push Notification" to a user’s phone or laptop, you needed a native mobile app. For solo developers, this wa

Real-time multiplayer games are often associated with complex architectures involving WebSockets, Socket.IO, Redis, event brokers, and custom synchron

How inverting responsibility eliminated distributed lock contention from a high-throughput settlement pipeline When building the ingestion layer o

I've been working on a project called KAAL Realtime, and I'd love some feedback from the Laravel community. The idea started with a simple question:

leetcode.com Problem Statement Given an integer array and an integer k,

=> Java, keywords and class names are case-sensitive. => Java keywords like (public, class, static, void) must be in lowercase. Error 1

An operating system should not just execute programs. It should protect the person using it. Most operating systems were built for a world where thre

Flutter makes it extremely fast to build UIs. That speed is one of the framework’s greatest strengths, but it also creates a subtle problem: applicati

Recently, I wrote a post about an educational app I'd developed using AI tools, and the design decisions I made along the way. When I showed the proto

Introduction to database design So as we start looking into the internal of a database. We must ask what a database actually is? According

Most AI agents are great at quick tasks. Send a message, the agent calls a few tools, and you get a response back in seconds. That works perfectly whe

Tutorials teach you how to write Terraform, but don't teach you what happens when 60 engineers start writing it together. When you learn Terraform, yo

Typically, when we start experimenting with AI, many of us begin similarly. We try a single LLM call as the core of an app, like this: const response

The first time I saw "Looking up a deactivated widget's ancestor is unsafe" in a stack trace, I genuinely didn't know what it meant. I copied the erro

You take off your shoes before bed. You probably don't take off your smart ring or your watch. Most of us sleep with a Bluetooth-enabled device sittin

Learn how to set up LlamaIndex, load your data, build and persist an index, and run queries to get grounded answers with RAG in Python.

Imagine being able to pull any external data into Notion, seamlessly push updates to your other favorite apps, and automate complex business logic, an

I wanted to look at some real-world patterns from popular Ruby open-source codebases and show how they could be modelled using Rage, a Rails-compatibl

Test your understanding of RAG in Python with LlamaIndex by loading data, building and persisting an index, and querying an LLM for grounded answers.