Search Articles

React Hooks: Master useEffect, useCallback & Custom Hooks (Complete Guide)

Master React hooks, eliminate memory leaks, optimize performance 100x, and build reusable hook libraries.

March 7, 202610 min read

#React#JavaScript#Hooks

#SQL#Database#Performance

SQL Query Optimization: Indexes, Execution Plans & Performance (Complete Guide)

Master SQL optimization, use indexes correctly, read execution plans, speed up queries 4000x on 1M rows.

March 7, 20269 min read

#python#async-programming#concurrency

Python asyncio.gather(): Run Concurrent Tasks (Complete Guide)

Learn how to run multiple async functions concurrently with Python asyncio.gather(). Includes practical examples, error handling, and performance comparisons.

March 1, 202618 min read

#nextjs#performance#optimization

Next.js Bundle Analyzer: Optimize Your Build Size

Learn how to use @next/bundle-analyzer to visualize and optimize your Next.js bundle size. Includes real optimization examples and case studies.

March 1, 202614 min read

#Python#Data Science#NumPy

NumPy vs Pandas: When to Use Each for Data Processing

Learn when to use NumPy vs Pandas, optimize data processing 100x faster, and handle 1B+ rows efficiently.

March 7, 202611 min read

January 9, 20268 min read

Screenshot-to-Code vs. Specs-Driven Development: The 2026 Design Handoff Evolution

A real-world experiment reveals the profound gap between AI visual approximation and production-ready code. Learn why context pipelines are the future of design-to-code workflows.

#vibe coding#AI development#design systems

#JavaScript#Async#Promises

JavaScript Promises vs Async/Await: Master Async Code (Complete Guide)

Master JavaScript promises and async/await, parallelize operations, speed up code 3x, handle errors correctly.

March 7, 20267 min read

January 25, 202610 min read

Temperature Sensitivity in LLM Code Generation: A 752-Run Experiment

We tested how temperature (0, 0.3, 0.7, 1.0) affects code generation accuracy on 100 competitive programming problems. The surprising result: temperature barely matters for problem-solving, but model selection does.

#vibe coding#LLM temperature#Gemini

January 27, 202610 min read

Can You Teach an AI How to Think? Testing Elaborate Reasoning Protocols on Claude Code

We gave Claude Code a 365-line protocol teaching it to think like an ICPC World Finalist. After 300 experiments, the elaborate methodology provided zero improvement over a simple "solve this problem" prompt—but the reasons why reveal something important about agentic AI.

#vibe-coding#Claude-Code#agentic-AI

#Node.js#JavaScript#Async

Node.js Event Loop: Master Non-Blocking I/O (Complete Guide)

Understand how Node.js event loop works, master async patterns, and build scalable servers handling 10,000+ concurrent requests.

March 7, 202610 min read

January 15, 20269 min read

XML vs Natural Language Prompts: An Experimental Comparison

We tested XML-structured versus natural language prompts across 144 experiments spanning code generation, mathematics, reasoning, and complex multi-step tasks. The results reveal significant efficiency gains—but with important caveats.

#vibe-coding#prompt-engineering#XML-prompts

#pandas#data-analysis#dataframes

Pandas pd.concat(): Merge & Combine DataFrames (Complete Guide)

Complete guide to Pandas pd.concat() for combining DataFrames. Learn axis stacking, index handling, and comparisons with merge() and join().

March 1, 202615 min read

January 16, 202611 min read

Testing LLM Reasoning on Novel Problems: What 400 Experiments Reveal

We ran 400 experiments on competitive programming problems LLMs have never seen before. The results reveal that when memorization is eliminated, prompt formatting matters far less than model selection.

#vibe-coding#LLM-benchmarks#novel-problems

⚡

⚡Algorithms

Understanding Big O Notation

Learn how to analyze algorithm efficiency using Big O notation, with practical examples and common complexity classes.

January 1, 202610 min read

#algorithms#complexity#big-o

#javascript#es6-features#strings

JavaScript Template Literals: String Interpolation & Multiline Strings

Master JavaScript template literals for string interpolation and multiline strings. Includes tagged templates, examples, and best practices.

March 1, 202614 min read

January 6, 20269 min read

Why LLMs Can't Revise Tokens: The Feed-Forward Constraint Every Developer Must Understand

Learn why LLMs hallucinate and can't self-correct. Understand feed-forward token generation and master vibe coding strategies for better AI-assisted development.

#LLM#token generation#feed-forward

LangChain Output Parsers: Parse LLM Responses (Complete Guide)

Master LangChain output parsers for structuring LLM responses. Learn about StrOutputParser, PydanticOutputParser, and custom parsers.

March 1, 202616 min read

#langchain#llm#ai

CrewAI Tools: Building Custom Agents & Tool Integration (Guide)

Complete guide to building tools for CrewAI agents. Learn @tool decorator, tool creation, built-in tools, and multi-agent workflows.

March 1, 202616 min read

#crewai#ai-agents#llm