Gregory Chris

Aug 24 '25

SledoView: A Powerful, Free Open-source, CLI Tool for Exploring SLED Databases

#rust #cli #database #tooling

Designing a Job Queue System: Sidekiq and Background Processing

2 min read

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Aug 10 '25

Designing a Job Queue System: Sidekiq and Background Processing

#systemdesign #queues #distributed #interview

Reducing Compilation Time: Practical Tips

5 min read

Aug 10 '25

Reducing Compilation Time: Practical Tips

Exploring PhantomData: Type Safety Without Runtime Cost

5 min read

Aug 6 '25

Exploring PhantomData: Type Safety Without Runtime Cost

Building a Distributed Database: Cassandra's Architecture Deep Dive

4 min read

Aug 5 '25

Building a Distributed Database: Cassandra's Architecture Deep Dive

#systemdesign #database #distributed #interview

Crate Layout Best Practices: lib.rs, mod.rs, and src/bin

6 min read

Aug 5 '25

Crate Layout Best Practices: lib.rs, mod.rs, and src/bin

Reading Environment Variables with dotenv and std::env

4 min read

Aug 5 '25

Reading Environment Variables with dotenv and std::env

4 min read

When to Use Cow (Clone on Write)

Aug 3 '25

When to Use Cow (Clone on Write)

Avoiding Boilerplate with Default and Builder Patterns

4 min read

Aug 3 '25

Avoiding Boilerplate with Default and Builder Patterns

Simple Concurrency with Channels in std::sync::mpsc

4 min read

Aug 1 '25

Simple Concurrency with Channels in std::sync::mpsc

Understanding Sized, Copy, and Clone Traits

4 min read

Aug 1 '25

Understanding Sized, Copy, and Clone Traits

Working with Slices: Indexing, Chunking, and Windows

4 min read

Jul 29 '25

Working with Slices: Indexing, Chunking, and Windows

Interior Mutability Explained: When and Why to Use Cell and RefCell

4 min read

Jul 29 '25

Interior Mutability Explained: When and Why to Use Cell and RefCell

Making Your Structs Private but Usable

4 min read

Jul 25 '25

Making Your Structs Private but Usable

Using `Option` Effectively: Avoiding Null the Rust Way

4 min read

Jul 25 '25

Using `Option` Effectively: Avoiding Null the Rust Way

Designing a Metrics and Monitoring System: Prometheus at Scale

4 min read

Jul 25 '25

Designing a Metrics and Monitoring System: Prometheus at Scale

#systemdesign #monitoring #metrics #interview

Building a Live Streaming Platform: Twitch's Real-time Video Infrastructure

5 min read

Jul 22 '25

Building a Live Streaming Platform: Twitch's Real-time Video Infrastructure

#systemdesign #streaming #realtime #interview

Designing a Food Delivery System: DoorDash's Real-time Logistics

5 min read

Jul 22 '25

Designing a Food Delivery System: DoorDash's Real-time Logistics

#systemdesign #logistics #geospatial #interview

Avoiding Lifetime Annotations with Structs

2 comments

4 min read

Jul 18 '25

Avoiding Lifetime Annotations with Structs

Building CLI Tools with clap and structopt

5 min read

Jul 18 '25

Building CLI Tools with clap and structopt

Building a Stock Trading System: High-Frequency Trading Architecture

5 min read

Jul 17 '25

Building a Stock Trading System: High-Frequency Trading Architecture

#systemdesign #trading #fintech #interview

Designing a Logging System: ELK Stack for Distributed Applications

5 min read

Jul 17 '25

Designing a Logging System: ELK Stack for Distributed Applications

#systemdesign #logging #monitoring #interview

Building a Content Delivery Network: Cloudflare's Edge Architecture

5 min read

Jul 12 '25

Building a Content Delivery Network: Cloudflare's Edge Architecture

#systemdesign #cdn #networking #interview

Designing a Web Crawler: Building Google Bot at Scale

5 min read

Jul 12 '25

Designing a Web Crawler: Building Google Bot at Scale

#systemdesign #webcrawling #distributed #interview

Designing a Notification System: Push, Email, and SMS at Scale

5 min read

Jul 11 '25

Designing a Notification System: Push, Email, and SMS at Scale

#systemdesign #notifications #messaging #interview

Building a Payment System: Stripe's Architecture for Financial Transactions

5 min read

Jul 11 '25

Building a Payment System: Stripe's Architecture for Financial Transactions

#systemdesign #payments #fintech #interview

Designing a Ride-Sharing System: Uber's Matching Algorithm

4 min read

Jul 8 '25

Designing a Ride-Sharing System: Uber's Matching Algorithm

#systemdesign #geospatial #realtime #interview

Building a Search Engine: Google's Architecture Principles

5 min read

Jul 8 '25

Building a Search Engine: Google's Architecture Principles

#systemdesign #search #indexing #interview

Designing a Distributed Cache: Redis and Memcached at Scale

5 min read

Jul 8 '25

Designing a Distributed Cache: Redis and Memcached at Scale

#systemdesign #caching #distributed #interview

Building a Video Streaming Platform: Netflix Architecture Deep Dive

5 min read

Jul 4 '25

Building a Video Streaming Platform: Netflix Architecture Deep Dive

#systemdesign #streaming #cdn #interview

Rate Limiting Strategies: Protecting Your APIs at Scale

4 min read

Jul 4 '25

Rate Limiting Strategies: Protecting Your APIs at Scale

#systemdesign #ratelimiting #api #interview

Designing a News Feed System: Facebook and Twitter Architecture

5 min read

Jul 3 '25

Designing a News Feed System: Facebook and Twitter Architecture

#systemdesign #socialmedia #algorithms #interview

Building a Chat System Like WhatsApp: Real-time at Scale

5 min read

Jul 3 '25

Building a Chat System Like WhatsApp: Real-time at Scale

#systemdesign #realtime #messaging #interview

Designing URL Shortener Systems: From TinyURL to Bit.ly Scale

5 min read

Jul 3 '25

Designing URL Shortener Systems: From TinyURL to Bit.ly Scale

#systemdesign #interview #architecture #scalability

Zero-Cost Abstractions: What It Really Means in Rust

5 min read

Jun 27 '25

Zero-Cost Abstractions: What It Really Means in Rust

4 min read

Tracking Resource Cleanup with Drop

Jun 26 '25

Tracking Resource Cleanup with Drop

Using PhantomData and Zero-Sized Types

4 min read

Jun 25 '25

Using PhantomData and Zero-Sized Types

How to Structure a Rust Project Idiomatically

4 min read

Jun 24 '25

How to Structure a Rust Project Idiomatically

5 min read

Returning Iterators from Functions

Jun 23 '25

Returning Iterators from Functions

Creating Domain Types for Safer Code

4 min read

Jun 22 '25

Creating Domain Types for Safer Code

How Traits Enable Dependency Injection in Rust

4 min read

Jun 21 '25

How Traits Enable Dependency Injection in Rust

5 min read

The Power of Slice Patterns in Rust

Jun 19 '25

The Power of Slice Patterns in Rust

The Debug vs Display Traits: What’s the Difference?

4 min read

Jun 19 '25

The Debug vs Display Traits: What’s the Difference?

4 min read

When to Use Arc and Mutex in Rust

Jun 11 '25

When to Use Arc and Mutex in Rust

5 min read

Using HashMap Effectively in Rust

Jun 10 '25

Using HashMap Effectively in Rust

The Option Type: Safer Nulls by Design

4 min read

Jun 10 '25

The Option Type: Safer Nulls by Design

Async in Rust: The Basics of async/await

4 min read

Jun 8 '25

Async in Rust: The Basics of async/await

5 min read

Building a Simple CLI with Clap

Jun 7 '25

Building a Simple CLI with Clap

Interior Mutability Explained with Cell and RefCell

4 min read

Jun 6 '25

Interior Mutability Explained with Cell and RefCell

Zero-Cost Abstractions: What They Really Mean in Rust

4 min read

Jun 5 '25

Zero-Cost Abstractions: What They Really Mean in Rust

Using cargo expand to Understand Macros

5 min read

Jun 4 '25

Using cargo expand to Understand Macros

Type Aliases and Newtypes: Wrapping for Safety

2 comments

4 min read

Jun 3 '25

Type Aliases and Newtypes: Wrapping for Safety

Using match Ergonomically: Avoid the if-else Chains

5 min read

Jun 3 '25

Using match Ergonomically: Avoid the if-else Chains

Scoped Threads with std::thread::scope in Rust 1.63+

2 comments

4 min read

Jun 2 '25

Scoped Threads with std::thread::scope in Rust 1.63+

Refactoring with Result<T, E> and Custom Errors

4 min read

May 31 '25

Refactoring with Result<T, E> and Custom Errors

Getting Started with Traits and Trait Bounds

5 min read

May 30 '25

Getting Started with Traits and Trait Bounds

Why &str is Better Than String in Parameters

4 min read

May 29 '25

Why &str is Better Than String in Parameters

From Vec to Slice: Writing Generic Functions over Collections

4 min read

May 28 '25

From Vec to Slice: Writing Generic Functions over Collections

Smart Pointers Demystified: Box, Rc, and RefCell

4 min read

May 27 '25

Smart Pointers Demystified: Box, Rc, and RefCell

3 reactions

Understanding Ownership with Structs and Functions

4 min read

May 27 '25

Understanding Ownership with Structs and Functions