22h ago · 5 min read · Querying directory entries by entryUUID in ForgeRock DS allows for precise and efficient data retrieval. Unlike distinguished names (DNs), which can change due to reorganization, entryUUID provides a stable identifier for each entry. This makes it pa...
Join discussionJan 4 · 2 min read · 導論：為何分散式系統本質上是困難的 分散式系統是由多台獨立電腦組成，它們透過網路互相通訊與協調，共同呈現為一個單一、連貫的系統。從雲端服務、電子商務平台到現代資料庫，我們日常依賴的數位基礎設施幾乎都建構於其上。然而，這種架構的強大之處也正是其脆弱之源。當多個節點必須跨越網路合作時，便會立即面臨三大核心挑戰：不可靠的網路造成的訊息延遲與丟失、部分節點故障導致的服務中斷，以及多個節點同時操作引發的並行衝突。有效應對這些挑戰，確保系統的容錯性（Fault Tolerance）與正確性，是現代軟體架構的...
Join discussionAug 26, 2025 · 1 min read · 近日，日本鸟取县政府因一场拍卖乌龙事件引发玩家热议：一套含有盗版游戏的任天堂DS游戏机，竟以1000日元（约合6.8美元）的起拍价挂上官方拍卖网站。 表面上，这是一套普通的二手游戏机套装，但实际上它通过改装烧录卡运行盗版游戏。虽然拍品中包含的《新超级马力欧兄弟》为正版卡带，但套装内的R4和Acekard 2烧录卡极可能存有盗版游戏，其原理类似于可存储多款任天堂Switch游戏的MIG Switch烧录卡。 这一事件迅速在日本玩家和PG电子游戏爱好者群体中引发讨论，社交平台上关于盗版与正版区分、...
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Jun 21, 2025 · 7 min read · So here’s the first official post you could say.And well, the first week of the 100 Day DSA challenge I put on myself. I really underestimated how much time to dedicate to blogs, ‘cause I was already learning stuff for the first time — and with the b...
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Apr 15, 2025 · 4 min read · 🔥 Introduction: Welcome back to Day 8 of my 90 Days DSA Challenge!Today, I dove deep into the recursive world of binary trees, where every call is a path and every return is a revelation. We explored three essential problems that form the foundation...
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Jan 20, 2025 · 6 min read · Introduction Linear algebra might seem like a complicated topic but it's really about understanding patterns, relationships and using math to solve real-world problems. In this blog, we'll explore the basics of linear algebra and discuss why it's imp...
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Sep 26, 2024 · 28 min read · In sorting algorithms, the primary goal is to arrange elements in a certain order, usually numerical or lexicographical. Sorting is a fundamental operation in computer science, with applications in database indexing, searching algorithms, and even ha...
Join discussionSep 26, 2024 · 9 min read · Hashing is a technique used to map data (such as strings, numbers, or any other data type) to a fixed-size value, often called a hash code or hash value. The purpose of hashing is to efficiently store and retrieve data from a collection, typically us...
SSwastik commentedSep 26, 2024 · 8 min read · Searching is the process of finding a particular element in a collection of items, such as an array, list, or database. The goal of searching is to locate the position of the desired item in the collection, if it exists, or to determine that the item...
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