Jan 4 · 2 min read · 引言：從一杯咖啡說起 想像一下，你走進一家咖啡店。根據店員的工作模式，你的體驗會截然不同，而這恰好完美地解釋了程式設計中兩種處理 I/O (輸入/輸出) 的核心思想。 情境一（同步模式） 你來到一家只有一名店員的咖啡店。你點了一杯拿鐵，這位店員從點餐、收款、磨豆、沖煮咖啡到最後交到你手上，全程親力親為。在他完成你這杯咖啡的所有步驟之前，他完全無法為下一位排隊的客人服務。下一位客人只能乾等。 這位店員就像一個「同步」(Synchronous) 的處理程序，一次只能專心做一件事，做完才能進行下一件...
Join discussionSep 10, 2025 · 5 min read · I am working on a [database](https://github.com/lnikon/tinykvpp), particularly building the storage engine right now, and I assigned myself the task of creating separate file abstractions(e.g. I really like how it is done in leveldb, thus having Rand...
Join discussionAug 3, 2025 · 5 min read · Last week, I ran into a production issue in a Node.js application while the service owner was on leave.As a lifelong Java developer, I was nervous — I’d never touched Node.js before, and the fix was urgent. Thanks to Windsurf AI Agent, I managed to...
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Jun 30, 2025 · 2 min read · Difficulty: Advanced Reading Time: 10 min read Last Updated: June 30, 2025 💡 Have you ever wondered why, despite Linux’s reputation for performance, traditional I/O calls often feel slow and blocking? For decades, the kernel’s I/O model has revolve...
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Jun 17, 2025 · 1 min read · Ler um arquivo .TXT no Java é muito simples. Para isso, podemos usar o BufferedReader e o FileReader. Basta fornecer o nome do arquivo a ser lido, tratar a exception com um try-catch ou levantá-la no método com throws e começar a leitura do texto. Pa...
Join discussionJun 15, 2025 · 1 min read · Escrever um arquivo .TXT no Java é mais fácil do que parece. Tudo que precisamos fazer é utilizar o BufferedWriter com FileWriter. Lembre-se de por o seu código dentro de um try-catch ou levantar a exception com throws no método em que você está real...
Join discussionMay 27, 2025 · 2 min read · Тема и классификатор в документации PicoLisp группы функций - path in out err ctl input output fd tty prompt ipid opid pipe any sym str load hear tell key poll peek char skip eol eof from till line format scl read print println printsp prin prinl msg...
Join discussionApr 18, 2025 · 3 min read · 📝 Quick Summary: The python-benedict library enhances Python's built-in dictionary with keylist, keypath, and keyattr support, simplifying access to nested data. It provides integrated I/O operations for common data formats like JSON, YAML, and CSV,...
Join discussionFeb 27, 2025 · 4 min read · If your Linux system is running slow, how do you find out what's wrong? This guide will help beginners analyze Linux performance step by step using simple tools. In just a minute, you can check CPU, memory, disk, and network performance using a few b...
Join discussionNov 22, 2024 · 38 min read · Java NIO (New Input/Output), introduced in Java 1.4, is a powerful response to the evolving demands of modern computing. The world was moving toward highly concurrent, high-performance systems, and the traditional Java IO framework, while sufficient ...
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