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# tutorial

Tutorial is a general purpose tag. We welcome all types of tutorial - code related or not! It's all about learning, and using tutorials to teach others!

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# Building Solana data flows: Using n8n to automate block height extraction through GetBlock’s RPC infrastructure

# Building Solana data flows: Using n8n to automate block height extraction through GetBlock’s RPC infrastructure

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3 min read
Function Calling with Ollama: Make Your Local LLM Run Real Tools

Function Calling with Ollama: Make Your Local LLM Run Real Tools

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4 min read
Fine-Tune Any HuggingFace Model like Gemma on TPUs with TorchAX

Fine-Tune Any HuggingFace Model like Gemma on TPUs with TorchAX

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11 min read
Poker and Probability: Why Every Student Should Learn Texas Hold'em

Poker and Probability: Why Every Student Should Learn Texas Hold'em

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8 min read
LeetCode Solution: 48. Rotate Image

LeetCode Solution: 48. Rotate Image

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5 min read
From Cloud-First to Local-First: Migrating My AI Agent to a 32B Open-Source Model ($3/day $0/day)

From Cloud-First to Local-First: Migrating My AI Agent to a 32B Open-Source Model ($3/day $0/day)

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6 min read
7 Mac Apps for Developers Who Teach, Tutor, or Run Workshops in 2026

7 Mac Apps for Developers Who Teach, Tutor, or Run Workshops in 2026

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3 min read
我把 Claude Code 接进了 Telegram,手机上终于能随时使唤它了

我把 Claude Code 接进了 Telegram,手机上终于能随时使唤它了

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2 min read
Harnessing Big Data Analytics on OpenStack: A Practical Guide

Harnessing Big Data Analytics on OpenStack: A Practical Guide

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3 min read
How Apple Watch Ejects Water From Its Speaker (And How to Do It on Any Phone)

How Apple Watch Ejects Water From Its Speaker (And How to Do It on Any Phone)

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2 min read
Modifying Tables Safely in PostgreSQL — ALTER TABLE, Constraints, and Defaults

Modifying Tables Safely in PostgreSQL — ALTER TABLE, Constraints, and Defaults

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4 min read
Before Writing a Single Line of Code — Planning My Gym App🏋️

Before Writing a Single Line of Code — Planning My Gym App🏋️

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2 min read
Adding Semantic Search to Your Postgres App with pgvector

Adding Semantic Search to Your Postgres App with pgvector

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6 min read
Build your own blog post view counter on AWS Free Tier

Focuses on CORS and referer security

Build your own blog post view counter on AWS Free Tier

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11 min read
When a Memory Pool Actually Helps in Go Logging

When a Memory Pool Actually Helps in Go Logging

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3 min read
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