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How to Beat Google Play's Developer Account Rejection Using ADR

How to Beat Google Play's Developer Account Rejection Using ADR

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4 min read

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Recursive CTEs in PostgreSQL for Hierarchical Mobile App Data

Recursive CTEs in PostgreSQL for Hierarchical Mobile App Data

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4 min read
The Modular Monolith with Kotlin

The Modular Monolith with Kotlin

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3 min read
Connection Pool Exhaustion in Mobile Backends

Connection Pool Exhaustion in Mobile Backends

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3 min read
Embedding Local LLMs in Your Mobile App

Embedding Local LLMs in Your Mobile App

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4 min read
Row-Level Security in PostgreSQL: Multi-Tenant Data Isolation for Your SaaS Without a Query Change

Row-Level Security in PostgreSQL: Multi-Tenant Data Isolation for Your SaaS Without a Query Change

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3 min read
Server-Sent Events as Your Mobile Real-Time Layer

Server-Sent Events as Your Mobile Real-Time Layer

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4 min read
Zero-Downtime PostgreSQL Migrations at Scale

Zero-Downtime PostgreSQL Migrations at Scale

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4 min read
Kotlin Coroutines Meet Swift 6 Concurrency: Bidirectional Async Interop Patterns in KMP That Actually Work

Kotlin Coroutines Meet Swift 6 Concurrency: Bidirectional Async Interop Patterns in KMP That Actually Work

1
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3 min read
Partial Indexes and Expression Indexes in PostgreSQL: The Performance Wins Most Mobile Backend Developers Miss

Partial Indexes and Expression Indexes in PostgreSQL: The Performance Wins Most Mobile Backend Developers Miss

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3 min read
Designing Idempotent APIs for Mobile Clients: Retry Logic, Idempotency Keys, and the Patterns That Prevent Double Charges

Designing Idempotent APIs for Mobile Clients: Retry Logic, Idempotency Keys, and the Patterns That Prevent Double Charges

1
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3 min read
SQLite as Your Server Database: WAL Mode, PRAGMA Tuning, and Why Litestream Changes Everything for Solo Founders

SQLite as Your Server Database: WAL Mode, PRAGMA Tuning, and Why Litestream Changes Everything for Solo Founders

2
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3 min read
Gradle at Scale: Configuration Cache, Build Cache, and the Composite Build Patterns That Cut Our KMP CI from 45 to 12 Minutes

Gradle at Scale: Configuration Cache, Build Cache, and the Composite Build Patterns That Cut Our KMP CI from 45 to 12 Minutes

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3 min read
The Modularization Trap: When Clean Architecture Becomes Your Startup's Bottleneck

The Modularization Trap: When Clean Architecture Becomes Your Startup's Bottleneck

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3 min read
Replacing Your Message Queue with PostgreSQL: LISTEN/NOTIFY, SKIP LOCKED Queues, and When Kafka Is Overkill for Your Startup

Replacing Your Message Queue with PostgreSQL: LISTEN/NOTIFY, SKIP LOCKED Queues, and When Kafka Is Overkill for Your Startup

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3 min read
Connection Pool Tuning Under Load: How HikariCP Defaults Silently Kill Your Mobile Backend

Connection Pool Tuning Under Load: How HikariCP Defaults Silently Kill Your Mobile Backend

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3 min read
Building a Local RAG Pipeline on Mobile: Vector Search with SQLite, On-Device Embeddings, and a Shared KMP Architecture

Building a Local RAG Pipeline on Mobile: Vector Search with SQLite, On-Device Embeddings, and a Shared KMP Architecture

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4 min read
End-to-End Kotlin

End-to-End Kotlin

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4 min read
Self-Hosting AI Models on a Budget VPS: A Practical Workshop

Self-Hosting AI Models on a Budget VPS: A Practical Workshop

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3 min read
OpenCode, OpenRouter, and Pollinations: Building a Claude Code Alternative for Free or Near-Free

OpenCode, OpenRouter, and Pollinations: Building a Claude Code Alternative for Free or Near-Free

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3 min read
MCP in Practice: Connecting Claude to Jira, Excel, and Building Multi-Agent Workflows in Minutes

MCP in Practice: Connecting Claude to Jira, Excel, and Building Multi-Agent Workflows in Minutes

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3 min read
Room 3.0 Migration Guide: From KAPT to KSP, Coroutines-First APIs, and KMP Web Support

Room 3.0 Migration Guide: From KAPT to KSP, Coroutines-First APIs, and KMP Web Support

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3 min read
Bridging Kotlin Coroutines and Swift 6 Structured Concurrency in KMP: Building Leak-Free Shared Async APIs

Bridging Kotlin Coroutines and Swift 6 Structured Concurrency in KMP: Building Leak-Free Shared Async APIs

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3 min read
Connection Pooling Strategies for Serverless Mobile Backends: PgBouncer, Supabase, and Neon Under Real Cold-Start Pressure

Connection Pooling Strategies for Serverless Mobile Backends: PgBouncer, Supabase, and Neon Under Real Cold-Start Pressure

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4 min read
Ktor 3 vs Spring Boot 3 for Mobile Backends: Coroutine-Native vs Virtual Threads Under Real Production Load

Ktor 3 vs Spring Boot 3 for Mobile Backends: Coroutine-Native vs Virtual Threads Under Real Production Load

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3 min read
Building a Zero-Downtime Schema Migration Pipeline for High-Traffic Mobile Backends

Building a Zero-Downtime Schema Migration Pipeline for High-Traffic Mobile Backends

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4 min read
PostgreSQL Partial Indexes and Expression Indexes: Cutting Your Mobile Backend Query Times by 90%

PostgreSQL Partial Indexes and Expression Indexes: Cutting Your Mobile Backend Query Times by 90%

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3 min read
Jetpack Compose Recomposition at Scale: How Strong Skipping Mode Changes the Stability Rules You Learned

Jetpack Compose Recomposition at Scale: How Strong Skipping Mode Changes the Stability Rules You Learned

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3 min read
Unit Economics That Actually Matter: Calculating True LTV When Your Mobile App Has Both Subscription and IAP Revenue Streams

Unit Economics That Actually Matter: Calculating True LTV When Your Mobile App Has Both Subscription and IAP Revenue Streams

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3 min read
SQLite WAL Mode and Connection Strategies for High-Throughput Mobile Apps: Beyond the Basics

SQLite WAL Mode and Connection Strategies for High-Throughput Mobile Apps: Beyond the Basics

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4 min read
Event Sourcing with CQRS in Mobile Backends: Building an Audit-Complete Order System with PostgreSQL and Kafka

Event Sourcing with CQRS in Mobile Backends: Building an Audit-Complete Order System with PostgreSQL and Kafka

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3 min read
MVI as a Unifying Architecture Pattern Across KMP, SwiftUI, and Compose: Implementing a Shared State Machine

MVI as a Unifying Architecture Pattern Across KMP, SwiftUI, and Compose: Implementing a Shared State Machine

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4 min read
Running LLMs On-Device in Android: GGUF Models, NNAPI, and the Real Performance Tradeoffs

Running LLMs On-Device in Android: GGUF Models, NNAPI, and the Real Performance Tradeoffs

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4 min read
Workshop: Auditing Your Kubernetes Costs in 30 Minutes

Workshop: Auditing Your Kubernetes Costs in 30 Minutes

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3 min read
PostgreSQL Connection Pooling Strategies That Actually Scale Your Mobile Backend

PostgreSQL Connection Pooling Strategies That Actually Scale Your Mobile Backend

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4 min read
Building Reliable Computer-Use Agents: Architecture That Survives 3 AM

Building Reliable Computer-Use Agents: Architecture That Survives 3 AM

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3 min read
Bridging Kotlin Coroutines and Swift Concurrency in KMP: What Actually Works in Production

Bridging Kotlin Coroutines and Swift Concurrency in KMP: What Actually Works in Production

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3 min read
Event-Driven Architecture on a Budget: Kotlin Coroutines + Redis Streams

Event-Driven Architecture on a Budget: Kotlin Coroutines + Redis Streams

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3 min read
Structured Concurrency in Swift 6 vs. Kotlin Coroutines: What Your KMP Team Needs to Unlearn

Structured Concurrency in Swift 6 vs. Kotlin Coroutines: What Your KMP Team Needs to Unlearn

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3 min read
The Hidden Cost of Wrong Abstractions: When Clean Architecture Hurts Your Startup

The Hidden Cost of Wrong Abstractions: When Clean Architecture Hurts Your Startup

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4 min read
AI-Generated Code Auditing: Build a Static Analysis Framework That Catches What LLMs Get Wrong

AI-Generated Code Auditing: Build a Static Analysis Framework That Catches What LLMs Get Wrong

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4 min read
Workshop: Migrate to Room KMP — Shared Database Layer Without the Abstraction Tax

Workshop: Migrate to Room KMP — Shared Database Layer Without the Abstraction Tax

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3 min read
Contract Testing in Kotlin: A Step-by-Step Workshop with Pact and Spring Cloud Contract

Contract Testing in Kotlin: A Step-by-Step Workshop with Pact and Spring Cloud Contract

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3 min read
Workshop: Choosing Your Compose Multiplatform Navigation Stack

Workshop: Choosing Your Compose Multiplatform Navigation Stack

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3 min read
Eliminating ANRs at Scale: A Hands-On Guide to Android Responsiveness

Eliminating ANRs at Scale: A Hands-On Guide to Android Responsiveness

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3 min read
Dependency Injection Beyond Basics: Stop Letting Hilt Modules Become Code Smells

Dependency Injection Beyond Basics: Stop Letting Hilt Modules Become Code Smells

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3 min read
I built a break timer that actually shows you stretches instead of just pinging you

I built a break timer that actually shows you stretches instead of just pinging you

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2 min read
Kotlin Flow Patterns Every Senior Android Dev Must Know

Kotlin Flow Patterns Every Senior Android Dev Must Know

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3 min read
Claude Code CLI Skills That 10x Your Development Workflow

Claude Code CLI Skills That 10x Your Development Workflow

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3 min read
Workshop: Harden Your VPS in One Session — Step-by-Step with Working Commands

Workshop: Harden Your VPS in One Session — Step-by-Step with Working Commands

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4 min read
Workshop: Build a 5-Tool MCP Server That Cuts Your AI Token Usage by 95%

Workshop: Build a 5-Tool MCP Server That Cuts Your AI Token Usage by 95%

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3 min read
Build AI Governance Into Your Solo Dev Stack: A Practical Workshop

Build AI Governance Into Your Solo Dev Stack: A Practical Workshop

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3 min read
Building a Practical Test Suite for Your LLM Agent (Without Enterprise Tooling)

Building a Practical Test Suite for Your LLM Agent (Without Enterprise Tooling)

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7 min read
Build a Full-Stack MVP With Vanilla JS and a Clean REST API

Build a Full-Stack MVP With Vanilla JS and a Clean REST API

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6 min read
Workshop: Build a Cost-Controlled Claude Code Workflow (Save 40-60% on AI Tokens)

Workshop: Build a Cost-Controlled Claude Code Workflow (Save 40-60% on AI Tokens)

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7 min read
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