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Introduction This article is based on real problems I had in a production environment in Oracle 11g. Oracle Database provides powerful networking capabilities, allowing PL/SQL programs to interact with external systems over the network. To enhance security, Oracle introduced Access Control Lists (ACLs) starting from Oracle Database 11g. ACLs enable fine-grained control over network access,…

Authors: (1) Martin Kleppmann, University of Cambridge, Cambridge, UK ([email protected]); (2) Paul Frazee, Bluesky Social PBC United States; (3) Jake Gold, Bluesky Social PBC United States; (4) Jay Graber, Bluesky Social PBC United States; (5) Daniel Holmgren, Bluesky Social PBC United States; (6) Devin Ivy, Bluesky Social PBC United States; (7) Jeromy Johnson, Bluesky Social…

Visualize the user experience with user journey maps. Here are some helpful templates, real-world applications, and insights on the importance of mapping both successful and unsuccessful touchpoints. Part of Smart Interface Design Patterns by yours truly. User journey maps are a remarkably effective way to visualize the user’s experience for the entire team. Instead of…

Ever wondered what’s really happening when you execute a SQL JOIN? While it might seem straightforward on the surface, the underlying mechanisms are far more intricate and fascinating. In this article, we’ll pull back the curtain and explore the three primary methods SQL employs to perform JOINs, each with its own strengths and ideal use…

Authors: (1) Chengfeng Shen, School of Mathematical Sciences, Peking University, Beijing; (2) Yifan Luo, School of Mathematical Sciences, Peking University, Beijing; (3) Zhennan Zhou, Beijing International Center for Mathematical Research, Peking University. Table of Links Abstract and 1. Introduction 2 Model and 2.1 Optimal Stopping and Obstacle Problem 2.2 Mean Field Games with Optimal Stopping…

Today, UX design contributes to the problem of encouraging and facilitating excessive consumption through persuasive e-commerce practices and designing for companies with linear and exploitative business models. Anna Rátkai explores practical steps we can take to reduce material consumption and the massive environmental impact that comes along with it by designing mindful shopping experiences. As…

Meta Description: Learn how to efficiently control the flow of your C# programs using iteration statements like do-while and for loops. Explore practical examples, including nested loops, controlling loops with break and continue, and implementing interactive menus. In C# programming, there are many situations where you’ll need to repeat a block of code multiple times….

Authors: (1) Chengfeng Shen, School of Mathematical Sciences, Peking University, Beijing; (2) Yifan Luo, School of Mathematical Sciences, Peking University, Beijing; (3) Zhennan Zhou, Beijing International Center for Mathematical Research, Peking University. Table of Links Abstract and 1. Introduction 2 Model and 2.1 Optimal Stopping and Obstacle Problem 2.2 Mean Field Games with Optimal Stopping…

This in-depth guide takes you through the three crucial phases of conversational search, revealing how users express their needs, explore results, and refine their queries. Learn how AI agents can overcome communication barriers, personalize the search experience, and adapt to evolving user intent. Discover practical strategies and real-world examples to guide your development of intuitive,…

Introduction Recurrent Neural Networks (RNNs) are a class of artificial neural networks designed to work with sequential data. Unlike traditional feedforward neural networks, RNNs have connections that form directed cycles, allowing them to maintain an internal state or “memory.” This makes them particularly well-suited for tasks involving time series, natural language processing, and other sequence-based…