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Every LLM app I've built has the same broken pattern. Request comes in - reconstruct context from scratch - call LLM - throw context away. It's waste
I Cut My LLM Bill 90% By Reading the Fine Print on Tokens Last quarter, my team's LLM invoice came in at $3,247. Not a typo. Three grand, two-forty-s
Web Scraping for Beginners: Sell Data as a Service Web scraping is the process of automatically extracting data from websites, web pages, a
After testing dozens of AI tools while building SmileAIReviewHub, I've found that no single tool does everything well. The best setup combines several
I Built a Claude Code Hook That Engineers Every Prompt for You — Automatically Most developers using Claude Code write prompts like this:
Originally published at kalyna.pro Streaming sends Claude's response token by token as it's generated, instead of waiting for the full completion b
Originally published at kalyna.pro If your app sends the same large system prompt, tool definitions, or document context on every request, you're p
How I Cut Client AI Bills by 60% Using DeepSeek Through Spring Boot Three months ago I got a Slack notification that made my stomach drop. My biggest
Introduction This is my eighth article as a Java engineer learning TypeScript and Python from scratch. My first seven articles were all sm
apache pulsar vs kafka is the messaging question that every senior data engineer has answered twice in the last five years — once when their first mul
spark structured streaming is the API every senior data engineer is expected to wield by 2026 — but the four levers that decide whether a query is cor
kafka connect looks like "just another Kafka client" to a junior engineer — senior engineers know it is actually a full distributed framework that rep
kafka streams vs flink is the single biggest architecture call a streaming team makes in 2026 — and the one most teams get wrong on the first try beca
When I joined QAPilot, I noticed something interesting. Some of the most experienced people on the team were spending hours every sprint on work that
Ask any developer what design pattern they know best and Singleton comes up first. Ask the same group if they use it in production and half will say n
Switching to DeepSeek From GPT-4o Saved Me 97% on API Costs Okay so I gotta tell you about something I did last month that honestly changed how I run
Six months in production on a healthcare RAG system. Four rewrites. Here is the exact pipeline, every stage, and the code. The reference implementatio
If you want to do data science, machine learning, or AI in Python — you will use NumPy constantly. Every major library from pandas to TensorFlow is bu
A comparison of seven major Python AI frameworks for 2026: TensorFlow, PyTorch, Keras, scikit-learn, XGBoost, LangChain, and Hugging Face. Each framew
You've written Python programs that print to the terminal, read files, and maybe even scraped a website. But have you written code that can see? Code