Author: admin
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System Design Interview Questions: How would you design Google Docs System
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谷歌文档系统设计解析 Introduction 介绍 Google Docs is a complex, real-time collaborative platform that allows users to create, edit, and share documents online. Designing a system like Google Docs requires a deep understanding of distributed systems, real-time collaboration, and scalability. In this explanation, we’ll break down the key components involved in the…
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Bash 101: `curl` Command
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The curl command is an extremely versatile and powerful tool for interacting with web servers and APIs. It is commonly used for tasks such as downloading files, testing API endpoints, automating web requests, and even performing complex data transfers. Mastering curl is essential for developers, sysadmins, and anyone who regularly…
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Bash 101: `grep` Command
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The grep command is an essential tool in Bash for searching and filtering text. It is highly versatile, with a wide range of options that make it suitable for both simple searches and complex text processing tasks. Whether you’re searching logs, filtering command output, or handling large datasets, grep is…
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LeetCode: 49 Group Anagrams
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Given an array of strings strs, group the anagrams together. You can return the answer in any order. An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. Example: Input: strs = ["eat","tea","tan","ate","nat","bat"] Output:…
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Python 101: defaultdict
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defaultdict is a subclass of Python’s built-in dict class. It is part of the collections module and provides all the functionalities of a regular dictionary with an additional feature: if you try to access or modify a key that does not exist in the dictionary, defaultdict automatically creates the key…
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Python 101: Learning Python Through Code Examples
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Python is known for its simplicity and elegance, making it an excellent language for both beginners and experienced programmers. One of the best ways to learn Python is by solving coding problems and understanding real-world examples. In this blog, we’ll explore a classic problem, "Group Anagrams," and solve it step-by-step…
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Algorithms 101: Preserving Relative Position in Linked List
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链表分隔问题：保留相对位置 Linked List Partitioning Problem: Preserving Relative Position Given the head of a linked list and a specific value x, the task is to partition the linked list so that all nodes with values less than x appear before nodes with values greater than or equal to x. Additionally, the…
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JavaScript 101: Construct the Document Object Mode (DOM)
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随着浏览器对 HTML 进行词法分析，它开始构建文档对象模型 (DOM) 树 As the Browser Tokenizes the HTML, It Begins to Construct the Document Object Model (DOM) Tree As the browser parses the HTML document, it converts the raw HTML into a more structured format known as the Document Object Model (DOM) tree. This tree-like structure is…
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JavaScript 101: Understanding How Browsers Parse HTML and Render Content
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理解浏览器如何解析HTML和渲染内容 Understanding How Browsers Parse HTML and Render Content The process by which a browser parses HTML and renders content is a critical part of how web pages are displayed to users. This process involves several steps, starting from the moment the browser receives an HTML document from the server,…
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JavaScript 101: Why Use the Transform Property
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为什么使用 Transform 属性？ Why Use the Transform Property? The transform property in CSS is a powerful tool that allows developers to manipulate the visual appearance of an element without affecting its layout. This ability makes transform particularly valuable for optimizing performance, especially in scenarios where animations or interactive elements need…