The Daily Index — Wednesday, July 24, 2024 · TLDR Index

ARTICLES & TUTORIALS

TLDR Web Dev

TLDR Web Dev

HOW CANVA COLLECTS 25 BILLION EVENTS PER DAY

Canva's product analytics pipeline collects 25 billion events per day with high uptime, using Protobuf to define event schemas and Datumgen to generate code and enforce compatibility rules. The event collection process starts with analytics clients on various platforms, then events are validated and enriched in ingest-workers before being sent to a Kinesis Data Stream (KDS). KDS serves as the primary streaming platform, with SQS as a fallback for overflow protection and failover mode.

canva.dev · 10 min

TLDR Web Dev

RUBY METHODS ARE COLORLESS

Ruby methods are "colorless," meaning there's no distinction between synchronous and asynchronous methods, allowing for asynchronous behavior without explicit markers. Ruby achieves this through independent call stacks, enabled by Threads and Fibers, which allow for switching between tasks without blocking the main thread. This concurrency model, similar to Go's, allows for efficient handling of blocking operations like file reading, HTTP calls, and database queries.

jpcamara.com · 26 min

TLDR Web Dev

I'VE USED (AND LOVED) RUST FOR ~10 YEARS. HERE ARE THE WAYS IT DISAPPOINTS ME

This author loves Rust, but finds some of the syntax cumbersome, especially for library and application code. The orphan rule and the flexibility of the module system can make organizing code difficult. Compile times and IDE tooling are also slow, particularly for large projects.

links.tldrnewsletter.com · 8 min

TLDR Web Dev

HOW TO USE PERPLEXITY IN YOUR DAILY WORKFLOW

Perplexity is useful thanks to its ability to choose between different AI models and a Pro Search function that asks clarifying questions. It can be integrated into daily workflows for tasks like morning briefings, fact-checking, brainstorming, and writing assistance.

open.substack.com · 11 min

TLDR Web Dev

ASK HN: FAST DATA STRUCTURES FOR DISJOINT INTERVALS? (HACKER NEWS THREAD)

This author asks for recommendations on fast data structures for disjoint intervals and a commenter suggests using a custom btree that understands ranges instead of singular keys.

news.ycombinator.com

TLDR Web Dev

TYPES AS INTERFACES

Types can be used as interfaces in Haskell, but since they're not composable, devs can use typeclasses.

two-wrongs.com · 8 min

TLDR Web Dev

DEMYSTIFYING COOKIES AND TOKENS

Cookies are small text files stored in your browser used for session management, personalization, and tracking, while tokens are self-contained JSON objects used for secure data exchange between applications and services.

tommihovi.com · 22 min