MongoDB indexes enable quick equality and range filtering (with $match) and ordering (with $sort). For aggregation operations like $group with $first or $last accumulators, indexes can dramatically improve performance through the DISTINCT_SCAN optimization. However, for hash-based aggregations such as $group with $sum or $sortByCount, there’s not such optimization. While indexes can provide significant performance benefits…
Liuyang’s record-breaking 16,000-drone show blended art, software, and precision engineering while highlighting both technical risks and military potential.
The Minisforum MS-02 Ultra blends desktop-level hardware, extensive upgrade options, and fast networking in a larger mini PC design.
Semrush One merges SEO and AI visibility analytics, offering brands new insights while raising questions about affordability and long-term effectiveness.
🌍 Reflections on Open Source — Hacktoberfest 2025 This is a submission for the Hacktoberfest 2025 Writing Challenge : Reflections on Open Source 💭 Introduction Participating in Hacktoberfest 2025 was more than just a month of commits — it was a digital empathy exercise. Open source isn’t just about writing code that works; it’s about…
Open Source Is Our Operating System, At hjk-inc, we believe software should be transparent, collaborative, and community-driven. That’s why everything we build is open source—from core infrastructure to developer tools. No paywalls. No hidden layers. Just clean code, public issues, and real-world impact. 🔗 Explore our work: 👉 https://github.com/hjk-inc ✨ Why contribute or use our…
Node.js is renowned for its non-blocking, event-driven architecture, often touted as “single-threaded” to emphasize its efficiency with I/O-bound tasks. However, this simplicity hides a crucial component: the libuv thread pool, a set of background worker threads that handle blocking operations without stalling the main event loop. In this post, we’ll debunk common myths and lay…
All the ways to watch Liverpool vs Aston Villa live streams online and from anywhere as the Reds welcome Unai Emery’s side to Anfield.
The world’s third-biggest phone brand isn’t one for big discounts, but its free gifts and bundle offers are pretty wild.
King Addons for Elementor allowed full WordPress website takeover through two critical-level vulnerabilities.
