The Daily Index — Tuesday, May 21, 2024 · TLDR Index

ARTICLES & TUTORIALS

TLDR Web Dev

TLDR Web Dev

MIGRATING UBER'S LEDGER DATA FROM DYNAMODB TO LEDGERSTORE

Uber migrated a massive amount of ledger data from DynamoDB to LedgerStore. This migration was done using shadow and offline validation to check data completeness and correctness. It rolled out LedgerStore gradually with fallbacks by maintaining backups of the original data.

uber.com · 11 min

TLDR Web Dev

HOW TERMINAL WORKS. PART 1: XTERM, USER INPUT

This blog post explains how xterm, a terminal emulator, handles user input. xterm receives key presses, encodes them using the configured encoding (usually UTF-8), and writes the data into a tty device. Non-printable characters are encoded using ANSI escape sequences.

kevroletin.github.io · 13 min

TLDR Web Dev

WHY I LOVE LARAVEL

Laravel is a PHP framework for building web applications that is popular due to its speed and the fact that it includes everything needed for development. It has pre-built user authentication and built-in tools for database interaction, background jobs, and email sending. Deployment is also easy because the framework has dedicated hosting solutions.

ben.page · 2 min

TLDR Web Dev

THE CHATGPT WRAPPER PRODUCT BOOM IS AN UNCANNY VALLEY HELLSCAPE

Many new AI businesses are wrappers around existing LLMs like ChatGPT, especially in the content marketing space. While there are promising applications of AI, these wrapper businesses are not among them, as they often produce generic, unoriginal content.

pcloadletter.dev · 2 min

TLDR Web Dev

INTRODUCING COPILOT+ PCS

Microsoft has introduced Copilot+ PCs, a new category of Windows PCs designed for AI with enhanced processors and new AI features like Recall, Cocreator, and Live Captions.

blogs.microsoft.com · 15 min

TLDR Web Dev

APPLE NEEDS TO EXPLAIN THAT BUG THAT RESURFACED DELETED PHOTOS

Apple recently released a fix for a bug that caused deleted photos to reappear on iOS devices. This incident raises concerns about Apple's photo storage practices and data privacy, as users expected deleted files to remain deleted. Apple has not publicly addressed the issue.

theverge.com · 3 min

TLDR Web Dev

PREFER NOUN-ADJECTIVE NAMING

Noun-adjective naming (example: “StreamCreated” instead of “CreatedStream”) is preferable in codebases because it keeps related components grouped together in alphabetical order and simplifies searching.

kyleshevlin.com · 2 min

TLDR Web Dev

THE PROBLEM WITH NEW URL(), AND HOW URL.PARSE() FIXES THAT

The new URL() constructor in JavaScript throws errors for malformed URLs, requiring additional error handling code, but the new URL.parse() method solves this problem by returning null for invalid URLs.

kilianvalkhof.com · 3 min

TLDR Web Dev

WHY DOES TWITTER CONVERT ALL POSTED URLS TO "T.CO" LINKS? (REDDIT THREAD)

Twitter converts posted URLs to its URL shortener t.co to track all outgoing clicks.

links.tldrnewsletter.com

TLDR Web Dev

RAILSCONF 2024 RECAP

RailsConf 2024 covered topics like AI, error handling, plugin creation, and testing.

kevinjmurphy.com · 6 min