📌 Index

The Coder Cafe is composed of several sections:

• Concepts: Learn one concept with your coffee.

• The Coding Corner: A corner of the cafe where we build real-world systems together.

• Lattes & Stories: Personal reflections and stories.

• Announcements: The Coder Cafe news and updates.

All the posts in this index are grouped by category, then listed by publication date (newest to oldest).

🔔 Notifications for each section can be configured in your settings.

Concepts

Programming

Algorithms and Data Structures

• Ford-Fulkerson Algorithm

• Topological Sort

• Graphs

• Binary Heaps

• Arrays vs. Linked Lists

Code Health

• Organic Growth vs. Controlled Growth

• What Makes Code Beautiful

• Tidy First?

• Nested Code

• Coupling

• Cohesion

• Simplifying Complex if Statements

• Readability

• Cognitive Load

• Focus on Product Ideas, Not Requirements

• You Aren’t Gonna Need It (YAGNI)

• Premature Abstractions

Coding Challenges

• Gossip Glomers

• One Billion Row Challenge

• Exercism

• Advent of Code

Concurrency

• Data Race vs. Race Condition

• Mutex vs. Semaphore

• Coroutines

• Concurrency vs. Parallelism

Functional Programming

• Functors, Applicatives, and Monads

• Partially Applied Functions vs. Currying

Testing

Fundamentals

• Property-Based Testing

• Eventually Green Tests (April Fool’s Joke)

• Code Coverage

• Avoiding Logic in Tests

• Line vs. Branch Coverage

Unit Tests

• Test-Driven Development (TDD)

• Test Behavior, Not Implementation

• Unit Tests As Documentation

• 10 Unit Tests Properties

• Common Arguments Against Unit Tests

Distributed Systems

Databases

• CRDTs

• Availability Models

• Exploring Database Isolation Levels

• Consensus

• Consistency Model

• Isolation Level

• Transactions

• Safety and Liveness

• The PACELC Theorem

• The CAP Theorem

• ACID

Performance

• Latency and User Experience

Fundamentals

• Working on Complex Systems (Talk)

• Working on Complex Systems

System Design

• Bloom Filters

• Probabilistic Increment

Reliability

Analysis

• Lurking Variables

• Post Hoc Ergo Propter Hoc

Cases

• Horror Coding Stories: Therac-25

Fundamentals

• Soft vs. Hard Dependency

• Fail Open vs. Fail Closed

• Resilient, Fault-tolerant, Robust, or Reliable?

• Adaptive LIFO

• Graceful Degradation

• Reliability

Systems

Computer Architecture

• Instruction Pipelining

• Simultaneous Multithreading

Linux

• Linux Soft vs. Hard Lockup

Beyond the Code

Communication

• 3 Bullets and a Call to Action

• 10 Rules I Learned About Technical Writing

• The XY Problem

Cognitive Biases

• Survivor Bias

• Streetlight Effect

• Confirmation Bias

• Cognitive Biases

Critical Thinking

• Keeping a Mistake Journal

• Lateral Thinking

Knowledge Management

• Second Brain

Mindset

• Don’t Be Ashamed to Say "I Don’t Know"

• Don’t Forget About Your Mental Health

Product Management

• The Cold Start Problem

Teams

• Nothing Beats Kindness

• Speed vs. Velocity

The Coding Corner

Build Your Own Key-Value Storage Engine

• Week 8: Concurrency

• Week 7: Bloom Filters and Trie Memtable

• Week 6: Block-Based SSTables and Indexing

• Week 5: Leveling and Key-Range Partitioning

• Week 4: Deletes, Tombstones, and Compaction

• Week 3: Durability with Write-Ahead Logging

• Week 2: LSM Tree Foundations

• Week 1: In-Memory Store

• Build Your Own Key-Value Storage Engine

Lattes & Stories

• The Story of The Coder Cafe

• What I Learned During My Paternity Leave

• Why I Switched to Vim Keybindings

• So, I Wrote a Book

The Shelf

The Barista’s Picks

Announcements

• Announcing The Coder Cafe Season 1 (Book)

• 🎉 1,000 Subscribers, 1 Coding Challenge!

• Stepping Back to Move Forward

• Welcome to The Coder Cafe!

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