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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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Prefix Sum

Prefix Sum

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2 min read
Deploying Custom Voice Models in VAPI for E-commerce: Key Insights

Deploying Custom Voice Models in VAPI for E-commerce: Key Insights

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12 min read
Microsoft Agent Framework (MAF) Middleware Basics: Add Compliance Fences to Your Agent

Microsoft Agent Framework (MAF) Middleware Basics: Add Compliance Fences to Your Agent

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9 min read
Sliding Window (Variable Size)

Sliding Window (Variable Size)

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3 min read
🐧 Linux Process Management: Deep Dive

🐧 Linux Process Management: Deep Dive

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4 min read
Hash Map Frequency Counting

Hash Map Frequency Counting

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2 min read
I indexed 13M places to calculate real metro populations. Turns out 34.6M people live within 30 miles of Tokyo.

I indexed 13M places to calculate real metro populations. Turns out 34.6M people live within 30 miles of Tokyo.

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5 min read
JAVA INTERNALS: JDK, JRE, JVM, and JIT!

JAVA INTERNALS: JDK, JRE, JVM, and JIT!

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2 min read
December 2025 VS Code Update (Version 1.108) – What’s New and Why It Matters

December 2025 VS Code Update (Version 1.108) – What’s New and Why It Matters

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2 min read
From Philosophy to Practice: Building Your First GraphQL API with Spring Boot 4

From Philosophy to Practice: Building Your First GraphQL API with Spring Boot 4

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11 min read
Importing & Exporting PSQL Database Dump using Docker

Importing & Exporting PSQL Database Dump using Docker

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1 min read
Fast & Slow Pointers (Cycle Detection)

Fast & Slow Pointers (Cycle Detection)

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2 min read
How to enable Voice Mail Detection in AI Voice Agents

How to enable Voice Mail Detection in AI Voice Agents

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2 min read
Reading Contract State at a Past Block Using Wagmi

Reading Contract State at a Past Block Using Wagmi

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3 min read
How to Change Operating System in a Virtual Machine

How to Change Operating System in a Virtual Machine

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9 min read
Solved: Is there a one-click way to backup my Docker containers?

Solved: Is there a one-click way to backup my Docker containers?

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9 min read
Solved: Canceled my $15K/year ZoomInfo subscription. Built my own for $50/month.

Solved: Canceled my $15K/year ZoomInfo subscription. Built my own for $50/month.

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10 min read
GTK4 DropDown with .NET

GTK4 DropDown with .NET

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5 min read
The Command Pattern Simplified: How Modern Java (21–25) Makes It Elegant

The Command Pattern Simplified: How Modern Java (21–25) Makes It Elegant

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7 min read
Understanding if, elif, and else in Python with Simple Examples

Understanding if, elif, and else in Python with Simple Examples

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2 min read
Build an Engagement Rate Calculator That Actually Works

Build an Engagement Rate Calculator That Actually Works

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8 min read
Building a QR Code Generator: Dynamic vs Static Architecture

Building a QR Code Generator: Dynamic vs Static Architecture

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2 min read
Day 12: Understanding Constructors in Java

Day 12: Understanding Constructors in Java

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2 min read
Day 11: Understanding `break` and `continue` Statements in Java

Day 11: Understanding `break` and `continue` Statements in Java

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2 min read
Building Persistent Memory for Voice AI Agents with MongoDB

Building Persistent Memory for Voice AI Agents with MongoDB

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8 min read
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