John Carmack, the pioneering CTO behind Oculus Rift, announced his departure from Meta, citing inefficiencies, internal battles, and a shift toward affordable VR hardware, while also highlighting his new focus on AGI through his startup Keen Technologies.
In November 2022, Ireland's Data Protection Commission fined Meta €265 million for failing to safeguard personal data of over 5 billion Facebook users, highlighting the EU's intensified enforcement of privacy regulations such as GDPR against major tech firms.
Meta’s recent blog reveals its large‑scale migration of Android apps from Java to Kotlin, highlighting Kotlin’s advantages, the challenges of mixed codebases, tooling updates, and the strategic decision to convert most of its 10 million‑line codebase, offering valuable lessons for mobile developers.
Meta’s recent shift of its Android apps from Java to Kotlin reveals both the compelling benefits—such as null‑safety, concise code, and functional features—and the practical challenges like mixed codebases, tooling gaps, and longer build times, offering a detailed roadmap for large‑scale mobile language migration.
Meta is converting its flagship Android apps from Java to Kotlin, citing benefits like reduced code size, safety, and better concurrency support, while navigating tooling challenges and showing a broader industry shift toward Kotlin for mobile development.
Meta has officially added Rust, Hack, Python, and C++ as its preferred backend languages, outlining strict criteria such as core library support, security, operational risk, expertise, and developer experience, while also noting community‑supported languages and its long‑term commitment to Rust amid broader VR ambitions.
Meta’s engineering team describes how they raised cache consistency from six‑nines to ten‑nines by defining precise invalidation semantics, building the Polaris observability service, and implementing systematic tracking of cache mutations, offering practical strategies that apply to any distributed cache such as Redis or TAO.
Meta has open‑sourced its new NLLB‑200 model, a single AI system that translates 200 languages with up to 44 % higher quality than its predecessor, supporting numerous low‑resource languages and powering billions of daily translations across Facebook and Instagram to improve user experience and content safety.
Meta’s latest privacy tool lets users pre‑upload intimate images to generate a unique digital fingerprint that platforms match and delete if re‑uploaded, but its reliance on exact‑match hashing, similar to PhotoDNA, raises questions about effectiveness, privacy, and the broader challenges of end‑to‑end encryption delays at the company.
This article explains how the HBase hbck tool verifies region consistency and table integrity, lists the most frequently used hbck commands, and describes both low‑risk and high‑risk repair procedures, including handling of RIT states and log‑based troubleshooting.
This article demonstrates how to locate and extract cover‑image URLs from a web page using Scrapy, explains handling absolute and relative URLs, shows the necessary XPath and meta‑passing code, and provides debugging tips to verify that the image URL is correctly transferred through the spider.
This tutorial explains how to retrieve an article’s cover image URL by starting from the list page, extracting the first image, and passing its URL through Scrapy’s Request meta dictionary to subsequent parsing callbacks, highlighting why list‑page extraction is more reliable than detail‑page scraping.
This article explains every Django Model Meta attribute—including abstract, app_label, db_table, db_tablespace, get_latest_by, managed, order_with_respect_to, ordering, permissions, proxy, unique_together, verbose_name, and verbose_name_plural—detailing their purpose, usage, and code examples for precise database and admin control.
This article explains how WordPress uses the wp_postmeta table for flexible metadata storage and the hook (action) system for dynamic code insertion, illustrating both the benefits and trade‑offs of these extensibility techniques for plugin development.
