Time::Str 是一个用于解析和格式化日期时间字符串的模块，支持20多种标准格式，并新增了时区和闰秒处理功能。Time::Str::TimeZone 模块解析时区名称并缓存对象，Time::TZif 和 Time::TZif::POSIX 模块计算特定时刻的 UTC 偏移，确保时间格式的准确性。

Netflix has shared details about Service Topology. This internal system creates and updates a live dependency graph for thousands of microservices. It helps engineers see how services connect and...

在Python中，time.sleep()在普通脚本中使用方便，但在多线程、异步编程和GUI中会导致阻塞。多线程应使用Event.wait()，异步代码应使用asyncio.sleep()，而GUI应使用.after()方法，以避免界面冻结。选择合适的延迟方法可以提高程序的响应性和效率。

By Rajiv Shringi, Kaidan Fullerton, Oleksii Tkachuk and Kartik SathyanarayananIntroductionNetflix’s TimeSeries Abstraction is a scalable system for ingesting and querying petabytes of temporal...

By Parth Jain, Rakesh Sukumar, Yingwu Zhao, Renzo Sanchez & Nathan FisherHow we built a living map of our distributed infrastructure to help engineers understand dependencies, troubleshoot faster,...

Uber updates its Uber Eats Home Feed recommendation system using near real-time user sequence features and a Generative Recommender model. The system evolves from hand-crafted features to...

Bintrail is a recently introduced layer that brings point-in-time queries and row-history lookups to MySQL, the only major relational database lacking native temporal querying. Using indexed...

Swiggy detailed real-time machine-learning ranking system for autocomplete built on OpenSearch. The architecture separates candidate generation and ranking, uses feature stores for real time...

Time::Str是一个Perl模块，用于解析和格式化20多种日期/时间字符串，支持多种标准格式，具有纳秒精度，避免模糊解析。该模块提供灵活的日期解析，确保输入格式明确，并支持自定义解析器，适用于多种应用场景。

Every time-series database makes a set of storage design decisions: how to lay out rows, when to compress, what to partition on. These decisions determine cost and query performance more than the...

本文讨论了量化特征仓库的构建，强调时间正确性（PIT）和版本管理的重要性。特征存储需解决复用、版本化和训练-服务一致性的问题，避免数据修订导致的回测失效。采用双时间维度模型，确保在任意历史时刻能准确还原特征值。文章还介绍了特征存储的技术选型及工程实现，强调监控和回填机制的重要性，以确保数据的可靠性和一致性。

For thirty years, the answer to “how do I get the DDL for this object?” in PostgreSQL has been: shell out to pg_dump -s and grep. Every tool that has ever needed to reconstruct an object...

Meta introduces Just-in-Time (JiT) testing, a dynamic approach that generates tests during code review instead of relying on static test suites. The system improves bug detection by ~4x in...

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Microsoft recently announced it’s pulling back Copilot from several of its core Windows apps — Photos, Notepad, the Snipping Tool, and Widgets. Rolling back these forced AI integrations is the...

In this article, author Avraam Tolmidis discusses technical architecture of autonomous vehicles, with focus on optimization techniques like context-aware sensor fusion and Model Predictive Control...

At QCon London 2026, Spotify's Jo Kelly-Fenton and Aleksandar Mitic discussed Honk, an AI-powered coding agent that enables code migrations across Spotify's codebase. The system improves...

Artificial intelligence is currently occupying the same mental space that "the cloud" did fifteen years ago, or the internet itself did twenty-five years ago.