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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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Let ast-grep Do the Rename. Hand Claude Code Only the Files It Couldn't

Let ast-grep Do the Rename. Hand Claude Code Only the Files It Couldn't

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9 min read
Five Agents, One Dev Database: Clone a Postgres per Worktree With Postgres 18

Five Agents, One Dev Database: Clone a Postgres per Worktree With Postgres 18

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10 min read
How to Audit Internal Links on a WordPress Site

How to Audit Internal Links on a WordPress Site

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7 min read
Your embedded signing iframe works. Whose URL did you put in it?

Your embedded signing iframe works. Whose URL did you put in it?

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1 min read
Build an MCP Server in Java with Spring AI (+ OAuth)

Build an MCP Server in Java with Spring AI (+ OAuth)

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10 min read
Mastering Advanced PostgreSQL: A Comprehensive Guide to Hospital Data Intelligence

Mastering Advanced PostgreSQL: A Comprehensive Guide to Hospital Data Intelligence

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16 min read
Building a Multi-Client Chat Application with Java Sockets and JavaFX

Building a Multi-Client Chat Application with Java Sockets and JavaFX

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5 min read
Go error handling patterns that scale: wrapping, unwrapping, sentinels

Go error handling patterns that scale: wrapping, unwrapping, sentinels

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5 min read
Automation Health Checks: A Green Job Is Not a Publication Receipt

Automation Health Checks: A Green Job Is Not a Publication Receipt

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3 min read
A Practical Guide to SQL Joins, Subqueries, CTEs, and Window Functions.

A Practical Guide to SQL Joins, Subqueries, CTEs, and Window Functions.

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9 min read
Window Functions, Joins, Common Table Expressions (CTEs), and Subqueries in SQL.

Window Functions, Joins, Common Table Expressions (CTEs), and Subqueries in SQL.

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14 min read
Claude Code Hit Its Usage Limit Mid-Task. Hand the Same Worktree to Codex in 4 Commands

Claude Code Hit Its Usage Limit Mid-Task. Hand the Same Worktree to Codex in 4 Commands

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9 min read
Introduction to SQL Window Functions, CTEs, Joins & Subqueries

Introduction to SQL Window Functions, CTEs, Joins & Subqueries

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12 min read
Build a Discord bot with discord.js v14: app setup, your first slash command and keeping it online

Build a Discord bot with discord.js v14: app setup, your first slash command and keeping it online

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7 min read
How to get the PS1 look in Godot 4 (vertex snapping, affine warping, dither)

How to get the PS1 look in Godot 4 (vertex snapping, affine warping, dither)

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4 min read
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