https://blog.tuhidulhossain.com My Personal Tech Odyssey — articles on software engineering, artificial intelligence, and cloud-native development by Khaled Md Tuhidul Hossain. en Fri, 03 Apr 2026 19:27:36 GMT https://blog.tuhidulhossain.com/post/empathy-is-not-a-soft-skill-20260404 https://blog.tuhidulhossain.com/post/empathy-is-not-a-soft-skill-20260404 Sat, 04 Apr 2026 00:00:00 GMT We slapped the word 'soft' on empathy like it's optional. It's not. It's the thing that separates leaders people follow from leaders people tolerate. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/google-web-mcp-making-websites-agent-ready-20260403 https://blog.tuhidulhossain.com/post/google-web-mcp-making-websites-agent-ready-20260403 Fri, 03 Apr 2026 00:00:00 GMT Google just dropped WebMCP, a browser API that lets websites tell AI agents what they can do. No more DOM scraping. Here is what it is, how to use it, and why it matters. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/agents-vs-sub-agents-what-they-are-and-how-they-work-together-20260330 https://blog.tuhidulhossain.com/post/agents-vs-sub-agents-what-they-are-and-how-they-work-together-20260330 Mon, 30 Mar 2026 00:00:00 GMT Agents and sub-agents are structurally the same thing. The difference is who calls whom. Here is what that means in practice. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/how-to-build-a-web-scraping-mcp-server-with-python-20260329 https://blog.tuhidulhossain.com/post/how-to-build-a-web-scraping-mcp-server-with-python-20260329 Sun, 29 Mar 2026 00:00:00 GMT Building a basic MCP server in Python that scrapes web pages and feeds clean content to LLMs. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/discipline-is-painful-20260325 https://blog.tuhidulhossain.com/post/discipline-is-painful-20260325 Wed, 25 Mar 2026 00:00:00 GMT You thought discipline was a flex? Nah. It's bloody knuckles. Aching silence. The unglamorous truth nobody posts about. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/streaming-in-csharp-when-to-use-it-and-how-a-complete-guide-20260318 https://blog.tuhidulhossain.com/post/streaming-in-csharp-when-to-use-it-and-how-a-complete-guide-20260318 Wed, 18 Mar 2026 00:00:00 GMT When SSE is the right call over WebSockets, how to build SSE endpoints in ASP.NET Core, and how to consume them from JavaScript. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/understanding-adlc-application-development-life-cycle-a-complete-guide-20260318 https://blog.tuhidulhossain.com/post/understanding-adlc-application-development-life-cycle-a-complete-guide-20260318 Wed, 18 Mar 2026 00:00:00 GMT The Agentic Development Life Cycle (ADLC) is a framework for how you build, evaluate, deploy, and operate AI agent systems. This post covers the phases with diagrams, code, and lessons from real projects. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/the-state-of-ai-agents-in-2026-frameworks-tools-and-best-practices-20260310 https://blog.tuhidulhossain.com/post/the-state-of-ai-agents-in-2026-frameworks-tools-and-best-practices-20260310 Tue, 10 Mar 2026 00:00:00 GMT Where AI agent frameworks stand in early 2026 across Python and .NET, with notes on what actually works in production. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/hash-table-explained-with-examples-20260208 https://blog.tuhidulhossain.com/post/hash-table-explained-with-examples-20260208 Sun, 08 Feb 2026 00:00:00 GMT Hash tables give you near-instant lookups by turning keys into array indices. Here's how the hashing works, what happens when two keys collide, and why this data structure shows up everywhere. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/multi-agent-systems-with-dotnet-10-and-semantic-kernel-process-framework-20260206 https://blog.tuhidulhossain.com/post/multi-agent-systems-with-dotnet-10-and-semantic-kernel-process-framework-20260206 Fri, 06 Feb 2026 00:00:00 GMT Using Semantic Kernel's Process Framework in .NET 10 to wire up multi-agent workflows with steps, events, and process orchestration. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-a-zoho-mail-rag-system-with-python-fastapi-and-chromadb-20260130 https://blog.tuhidulhossain.com/post/building-a-zoho-mail-rag-system-with-python-fastapi-and-chromadb-20260130 Fri, 30 Jan 2026 00:00:00 GMT A full-stack RAG system that searches your Zoho Mail inbox with natural language, built on FastAPI, ChromaDB, and GPT-4o-mini with conversation memory. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/threat-intelligence-graph-rag-with-neo4j-and-ollama-20260127 https://blog.tuhidulhossain.com/post/threat-intelligence-graph-rag-with-neo4j-and-ollama-20260127 Tue, 27 Jan 2026 00:00:00 GMT A local, containerized Graph RAG system that queries MITRE ATT&CK data through natural language using Neo4j and Ollama. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/binary-search-tree-explained-with-examples-20260116 https://blog.tuhidulhossain.com/post/binary-search-tree-explained-with-examples-20260116 Fri, 16 Jan 2026 00:00:00 GMT Binary search trees keep your data sorted and searchable without the overhead of constantly re-sorting arrays. Here's how they actually work, when they shine, and when they don't. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/ai-agent-development-with-anthropic-claude-agent-sdk-20260114 https://blog.tuhidulhossain.com/post/ai-agent-development-with-anthropic-claude-agent-sdk-20260114 Wed, 14 Jan 2026 00:00:00 GMT Building AI agents with Anthropic's Claude Agent SDK in Python, covering tool use, agent loops, structured outputs, and multi-turn conversations. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/advanced-agent-orchestration-patterns-in-python-20251229 https://blog.tuhidulhossain.com/post/advanced-agent-orchestration-patterns-in-python-20251229 Mon, 29 Dec 2025 00:00:00 GMT Supervisor hierarchies, tool-use strategies, error recovery, and human-in-the-loop checkpoints for Python agent systems that need to work reliably. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/dynamic-programming-explained-with-examples-20251220 https://blog.tuhidulhossain.com/post/dynamic-programming-explained-with-examples-20251220 Sat, 20 Dec 2025 00:00:00 GMT Dynamic programming breaks hard problems into smaller overlapping pieces and reuses the results. Here's how it works with Fibonacci, Knapsack, and other classic examples you'll actually encounter. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-ai-agents-with-dotnet-10-and-microsoft-extensions-ai-20251119 https://blog.tuhidulhossain.com/post/building-ai-agents-with-dotnet-10-and-microsoft-extensions-ai-20251119 Wed, 19 Nov 2025 00:00:00 GMT .NET 10's Microsoft.Extensions.AI library gives you IChatClient, middleware pipelines, tool calling, and DI patterns for building agents in C#. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/dijkstra-shortest-path-algorithm-explained-with-examples-20251105 https://blog.tuhidulhossain.com/post/dijkstra-shortest-path-algorithm-explained-with-examples-20251105 Wed, 05 Nov 2025 00:00:00 GMT Dijkstra's algorithm finds the shortest path between nodes in a weighted graph. Here's how it actually works, with visual walkthroughs and Python code you can use right away. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/multi-agent-orchestration-with-autogen-studio-20251004 https://blog.tuhidulhossain.com/post/multi-agent-orchestration-with-autogen-studio-20251004 Sat, 04 Oct 2025 00:00:00 GMT Using AutoGen Studio to build multi-agent systems visually, with team configuration, workflow design, and custom skills. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/mlops-pipeline-with-python-mlflow-and-docker-20250916 https://blog.tuhidulhossain.com/post/mlops-pipeline-with-python-mlflow-and-docker-20250916 Tue, 16 Sep 2025 00:00:00 GMT Setting up an MLOps pipeline with MLflow and Docker for experiment tracking, model registry, and serving in reproducible containers. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/breadth-first-search-algorithm-explained-with-examples-20250914 https://blog.tuhidulhossain.com/post/breadth-first-search-algorithm-explained-with-examples-20250914 Sun, 14 Sep 2025 00:00:00 GMT BFS explores a graph level by level, which makes it perfect for finding shortest paths. Here's how the algorithm works, with visual walkthroughs and real problems you can solve with it. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/depth-first-search-algorithm-explained-with-examples-20250828 https://blog.tuhidulhossain.com/post/depth-first-search-algorithm-explained-with-examples-20250828 Thu, 28 Aug 2025 00:00:00 GMT DFS is one of those algorithms you'll reach for constantly once you understand it. Here's how it works, why it matters, and when you should pick it over BFS. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-ai-agents-with-openai-agents-sdk-in-python-20250825 https://blog.tuhidulhossain.com/post/building-ai-agents-with-openai-agents-sdk-in-python-20250825 Mon, 25 Aug 2025 00:00:00 GMT Building agents with OpenAI's Agents SDK in Python, covering Runner execution, handoffs between agents, guardrails, and the built-in tracing system. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/binary-search-algorithm-explained-with-examples-20250710 https://blog.tuhidulhossain.com/post/binary-search-algorithm-explained-with-examples-20250710 Thu, 10 Jul 2025 00:00:00 GMT Binary search looks simple on paper but getting the details right trips up even experienced developers. Here's a clear walkthrough of how it works, when to use it, and the common variations you'll see in real problems. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/python-agent-framework-comparison-langgraph-vs-crewai-vs-autogen-20250707 https://blog.tuhidulhossain.com/post/python-agent-framework-comparison-langgraph-vs-crewai-vs-autogen-20250707 Mon, 07 Jul 2025 00:00:00 GMT Comparing LangGraph, CrewAI, and AutoGen side by side with architecture breakdowns, code, and guidance on when to pick which. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/merge-sort-algorithm-explained-with-examples-20250618 https://blog.tuhidulhossain.com/post/merge-sort-algorithm-explained-with-examples-20250618 Wed, 18 Jun 2025 00:00:00 GMT Merge sort is one of those algorithms that clicks once you see it visually. Here's a practical walkthrough of how it splits, conquers, and merges arrays back together, with Python code you can actually use. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-ai-agents-with-dotnet-9-and-semantic-kernel-agents-20250613 https://blog.tuhidulhossain.com/post/building-ai-agents-with-dotnet-9-and-semantic-kernel-agents-20250613 Fri, 13 Jun 2025 00:00:00 GMT How to build AI agents in .NET 9 using Semantic Kernel's Agents framework, with ChatCompletionAgent, OpenAIAssistantAgent, and multi-agent collaboration. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/a-net-powered-rag-console-application-with-ollama-20250609 https://blog.tuhidulhossain.com/post/a-net-powered-rag-console-application-with-ollama-20250609 Mon, 09 Jun 2025 00:00:00 GMT How to wire up a RAG console app in .NET with Ollama running locally, and why .NET is a better fit for this than most people think. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-micro-frontends-with-blazor-webassembly-a-c-developer-s-guide-to-modern-frontend-architecture-20250603 https://blog.tuhidulhossain.com/post/building-micro-frontends-with-blazor-webassembly-a-c-developer-s-guide-to-modern-frontend-architecture-20250603 Tue, 03 Jun 2025 00:00:00 GMT How to structure micro frontends in Blazor WebAssembly with dynamic module loading, cross-module event communication, caching, and deployment pipelines. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-a-weather-prediction-model-with-ml-net-a-complete-guide-20250601 https://blog.tuhidulhossain.com/post/building-a-weather-prediction-model-with-ml-net-a-complete-guide-20250601 Sun, 01 Jun 2025 00:00:00 GMT Building a weather prediction model in ML.NET from data modeling through training, evaluation, and deployment. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/build-a-streaming-api-with-net-core-and-rabbitmq-for-log-data-streaming-20250530 https://blog.tuhidulhossain.com/post/build-a-streaming-api-with-net-core-and-rabbitmq-for-log-data-streaming-20250530 Fri, 30 May 2025 00:00:00 GMT How to build a streaming API with .NET Core and RabbitMQ, using SignalR to push data to multiple clients over WebSockets. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/zero-cost-n8n-setup-with-docker-and-amp-community-proxy-mcp-20250526 https://blog.tuhidulhossain.com/post/zero-cost-n8n-setup-with-docker-and-amp-community-proxy-mcp-20250526 Mon, 26 May 2025 00:00:00 GMT How to run n8n for free using Docker and the n8n Community Proxy for public webhook access without hosting costs. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/parallel-processing-in-net-10-smarter-faster-scalable-20250525 https://blog.tuhidulhossain.com/post/parallel-processing-in-net-10-smarter-faster-scalable-20250525 Sun, 25 May 2025 00:00:00 GMT What changed in .NET 10 for parallel and concurrent programming: smarter task scheduling, vectorized loops, PLINQ improvements, and the new Task Groups API. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/simplify-weighing-scale-integration-in-net-applications-with-weighingmachineconnector-net-20250525 https://blog.tuhidulhossain.com/post/simplify-weighing-scale-integration-in-net-applications-with-weighingmachineconnector-net-20250525 Sun, 25 May 2025 00:00:00 GMT A C# library for RS232 serial communication with electronic weighing machines, with plug-and-play connectivity and extensible device parsers. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/quick-sort-algorithm-explained-with-examples-20250522 https://blog.tuhidulhossain.com/post/quick-sort-algorithm-explained-with-examples-20250522 Thu, 22 May 2025 00:00:00 GMT Quick Sort is the go-to sorting algorithm in most standard libraries for good reason. It's fast, it's in-place, and once you understand the partition step, the rest clicks into place. Here's how it works with visuals, code, and practical use cases. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/multi-agent-workflows-with-crewai-and-langchain-integration-20250520 https://blog.tuhidulhossain.com/post/multi-agent-workflows-with-crewai-and-langchain-integration-20250520 Tue, 20 May 2025 00:00:00 GMT Combining CrewAI's crew-based orchestration with LangChain's tool ecosystem to build multi-agent workflows for automation tasks. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/what-s-new-in-net-10-20250426 https://blog.tuhidulhossain.com/post/what-s-new-in-net-10-20250426 Sat, 26 Apr 2025 00:00:00 GMT .NET 10 adds deeper AI integration, C# 14 language features, cloud-native improvements, and performance gains over .NET 8 and 9. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/net-version-evolution-guide-20250425 https://blog.tuhidulhossain.com/post/net-version-evolution-guide-20250425 Fri, 25 Apr 2025 00:00:00 GMT Tracing the .NET platform from Framework 1.0 in 2002 through .NET Core to the unified .NET 9.0 in 2024. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/bubble-sort-algorithm-explained-with-examples-20250415 https://blog.tuhidulhossain.com/post/bubble-sort-algorithm-explained-with-examples-20250415 Tue, 15 Apr 2025 00:00:00 GMT Bubble Sort gets a bad reputation, and honestly, it deserves some of it. But understanding how it works gives you a solid foundation for thinking about sorting, comparisons, and optimization. Here's a practical breakdown with visuals and Python code. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/modern-data-science-with-polars-and-python-20250405 https://blog.tuhidulhossain.com/post/modern-data-science-with-polars-and-python-20250405 Sat, 05 Apr 2025 00:00:00 GMT Polars is fast and its API is expressive. This post covers lazy evaluation, the expression system, and where it genuinely outperforms Pandas on larger datasets. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/agent-orchestration-with-microsoft-autogen-04-20250318 https://blog.tuhidulhossain.com/post/agent-orchestration-with-microsoft-autogen-04-20250318 Tue, 18 Mar 2025 00:00:00 GMT AutoGen 0.4 was rebuilt from scratch with an event-driven architecture and a new AgentChat API. This post walks through the team-based orchestration model and what changed from 0.2. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/advanced-rag-patterns-with-python-and-chromadb-20250224 https://blog.tuhidulhossain.com/post/advanced-rag-patterns-with-python-and-chromadb-20250224 Mon, 24 Feb 2025 00:00:00 GMT Taking basic RAG further with smarter chunking, hybrid search, reranking, and metadata filtering in Python and ChromaDB. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/ai-powered-applications-with-dotnet-aspire-and-semantic-kernel-20250109 https://blog.tuhidulhossain.com/post/ai-powered-applications-with-dotnet-aspire-and-semantic-kernel-20250109 Thu, 09 Jan 2025 00:00:00 GMT Combining .NET Aspire and Semantic Kernel to build distributed AI apps with proper orchestration and observability built in. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/multi-agent-debate-and-collaboration-systems-with-autogen-20241217 https://blog.tuhidulhossain.com/post/multi-agent-debate-and-collaboration-systems-with-autogen-20241217 Tue, 17 Dec 2024 00:00:00 GMT Building debate and collaboration systems in AutoGen with group chat orchestration, speaker selection, and code execution. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/real-time-ml-data-pipelines-with-python-apache-kafka-and-scikit-learn-20241111 https://blog.tuhidulhossain.com/post/real-time-ml-data-pipelines-with-python-apache-kafka-and-scikit-learn-20241111 Mon, 11 Nov 2024 00:00:00 GMT Building ML pipelines that process data in real time using Kafka for streaming, with feature engineering and model inference on live data. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/agent-orchestration-with-langgraph-in-python-20241021 https://blog.tuhidulhossain.com/post/agent-orchestration-with-langgraph-in-python-20241021 Mon, 21 Oct 2024 00:00:00 GMT How to build stateful AI agents with LangGraph, including graph construction, conditional routing, and state management across conversation turns. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-intelligent-ai-agents-with-semantic-kernel-and-dotnet-8-20240903 https://blog.tuhidulhossain.com/post/building-intelligent-ai-agents-with-semantic-kernel-and-dotnet-8-20240903 Tue, 03 Sep 2024 00:00:00 GMT Building AI agents with Semantic Kernel in .NET 8, covering function calling, plugins, auto-invocation, and planning. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/fine-tuning-large-language-models-with-python-and-hugging-face-20240814 https://blog.tuhidulhossain.com/post/fine-tuning-large-language-models-with-python-and-hugging-face-20240814 Wed, 14 Aug 2024 00:00:00 GMT Fine-tuning LLMs with Hugging Face Transformers and LoRA (PEFT), from dataset prep through training and evaluation. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-multi-agent-systems-with-crewai-and-python-20240708 https://blog.tuhidulhossain.com/post/building-multi-agent-systems-with-crewai-and-python-20240708 Mon, 08 Jul 2024 00:00:00 GMT Using CrewAI in Python to build multi-agent systems where agents have defined roles, goals, and coordinated workflows. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/image-classification-with-ml-net-in-dotnet-8-20240628 https://blog.tuhidulhossain.com/post/image-classification-with-ml-net-in-dotnet-8-20240628 Fri, 28 Jun 2024 00:00:00 GMT Building an image classifier with ML.NET 3.0 in .NET 8 using transfer learning, from data loading through prediction. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/retrieval-augmented-generation-with-llamaindex-and-python-20240515 https://blog.tuhidulhossain.com/post/retrieval-augmented-generation-with-llamaindex-and-python-20240515 Wed, 15 May 2024 00:00:00 GMT Using LlamaIndex and Python to build a RAG system that grounds LLM answers in your own documents with vector stores and query engines. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-multi-agent-conversations-with-microsoft-autogen-20240422 https://blog.tuhidulhossain.com/post/building-multi-agent-conversations-with-microsoft-autogen-20240422 Mon, 22 Apr 2024 00:00:00 GMT Setting up multi-agent conversations in AutoGen 0.2 where agents collaborate and debate to solve problems together. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/end-to-end-data-science-pipeline-with-python-scikit-learn-and-pandas-20240307 https://blog.tuhidulhossain.com/post/end-to-end-data-science-pipeline-with-python-scikit-learn-and-pandas-20240307 Thu, 07 Mar 2024 00:00:00 GMT A full ML pipeline in Pandas and Scikit-Learn, from loading data through feature engineering, training, and evaluation. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/getting-started-with-semantic-kernel-for-dotnet-developers-20240219 https://blog.tuhidulhossain.com/post/getting-started-with-semantic-kernel-for-dotnet-developers-20240219 Mon, 19 Feb 2024 00:00:00 GMT Getting started with Semantic Kernel 1.0 in .NET 8: kernel setup, plugins, planners, and basic AI app patterns. Khaled Md Tuhidul Hossain https://blog.tuhidulhossain.com/post/building-your-first-ai-chatbot-with-python-and-langchain-20240112 https://blog.tuhidulhossain.com/post/building-your-first-ai-chatbot-with-python-and-langchain-20240112 Fri, 12 Jan 2024 00:00:00 GMT Building a chatbot with Python and LangChain v0.1 that maintains conversation memory using the OpenAI API. Khaled Md Tuhidul Hossain