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Creational patterns provide object creation mechanisms that increase flexibility and reuse of existing code. Factory method: Provides an interface for 阅读全文
posted @ 2024-01-23 15:11
Zhentiw
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Just for fun... Given a number (always positive) as a type. Your type should return the number decreased by one. For example: type Zero = MinusOne<1> 阅读全文
posted @ 2022-10-07 22:57
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Blog: https://www.geeksforgeeks.org/es6-trampoline-function/ Stackoverflow problem for recursion: const sumBelow = (number, sum = 0) => ( number 0 ? s 阅读全文
posted @ 2022-08-18 14:32
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Serverless framework with AWS Link to each sections Table of Content: Part 0: Serverless Project structure Part 1: DynamoDB & ApiGateway Part 2: Event 阅读全文
posted @ 2021-05-17 15:15
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Storage Services: S3 Glacier CloudFront Elastic Block Store (EBS) Storage Gateway Snow family Database Overview Block storage: Used on local networks 阅读全文
posted @ 2021-03-15 03:06
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S3 Features Prefiees and delimiters For example: the file name in S3 can be: `marking/plans/kpi_2021_1.pdf`. The point is make it looks like a folder 阅读全文
posted @ 2021-03-12 17:34
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In our previous code, we have seen this partten for operators: // #region operators const concat = curry((broadcaster, listener) => { let string = ''; 阅读全文
posted @ 2020-10-25 21:54
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该文被密码保护。 阅读全文
posted @ 2020-05-07 18:22
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Generators can yield promises which can work with the "for await of" loop syntax. This lesson shows how all the pieces fit together and explains why t 阅读全文
posted @ 2020-03-22 02:59
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In this post, we are going to see how to use Ramda Lens. For example, we have data: R.lens: R.lens takes a getter and a setter: R.lensProp: There is a 阅读全文
posted @ 2019-02-24 20:12
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Just like the State ADT an Array is also an Applicative Functor. That means we can do the same tricks with liftA2 with Array that we have been doing w 阅读全文
posted @ 2019-01-16 16:30
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Use custom Cypress command for reusable assertions We’re duplicating quite a few commands between the registration and login of our user for assertion 阅读全文
posted @ 2018-12-06 21:13
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Use Cypress to test user registration Let’s write a test to fill out our registration form. Because we’ll be running this against a live backend, we n 阅读全文
posted @ 2018-12-05 15:54
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Despite the fact that Cypress is an application that runs natively on your machine, you can install it and add it as a dependency just like all other 阅读全文
posted @ 2018-12-05 02:38
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Ensure Functions are Called Correctly with JavaScript Mocks Often when writing JavaScript tests and mocking dependencies, you’ll want to verify that t 阅读全文
posted @ 2018-11-06 04:25
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1. Color Picker (Chrome) You might know how to use color picker in Chrome, recently there is a feature inside color picker which is "Contrast Ratio", 阅读全文
posted @ 2018-07-15 18:41
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We'll examine how to unnest function calls, capture assignment, and create a linear data flow with a type we call Box. This is our introduction to wor 阅读全文
posted @ 2016-12-11 21:47
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Well, this stuff will be a little bit strange if you deal with it first time. Container Object: Just a wrapper / contianer for values No Method No Nou 阅读全文
posted @ 2016-09-06 04:23
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First, what is 'High Order function', basic just a function, inside the function return another fuction. For example: Decorators is a subset of high o 阅读全文
posted @ 2016-06-14 03:10
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Somehow it looks like reflect in Java. For example: We define an mothod on the Object, it called defineMethod(). It accepts two arguements, one is met 阅读全文
posted @ 2016-05-02 03:06
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渡一原创 作者：谢杰 在很多前端工程的 package.json 中，你会看到这样一行配置： { "packageManager": "pnpm@11.9.0" } 而项目的 README 通常会告诉新成员： corepack enable pnpm install 如果你之前没有接触过 Corep 阅读全文
posted @ 2026-10-07 14:38
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Git 默认不会跟踪空目录，执行 git status 时可能看不到它们。 假如你现在的目录都为空 frontend-engineering-system/ ├── apps/ ├── packages/ ├── docs/ └── README.md 可以先验证一下： git status 如果 阅读全文
posted @ 2026-09-28 15:07
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Executive Summary This document outlines a five-phase migration from a monolithic Express API (all logic in one file) to a clean layered architecture 阅读全文
posted @ 2026-07-14 18:10
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Purpose This skill helps Claude create distinctive, memorable frontends that avoid generic AI-generated design patterns. It emphasizes typography, col 阅读全文
posted @ 2026-06-30 19:48
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What are hooks? And why hooks matter PreToolUse: PostToolUse: Safety: Prevent destructive commands (rm -rf, git push --force, credential exposure). Qu 阅读全文
posted @ 2026-06-30 19:43
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Content Query Rewrite Query Expand Multi-query Query Decomposition HyDE Query Rewrite Query Rewrite is a rewirting strategy. It means: without changin 阅读全文
posted @ 2026-06-01 13:35
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In the indexing stage of RAG, the core idea is to transform raw documents into searchable index data that can be consumed later. I usually break it do 阅读全文
posted @ 2026-05-21 14:00
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For a RAG system, indexing is not just about putting chunks into a vector database. It usually includes three major parts: 1. Chunk Splitting This ste 阅读全文
posted @ 2026-05-19 13:48
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/** * 带重试的 LLM 调用执行器 * * 默认行为：重试时自动将错误信息反馈给 LLM，让它能够根据错误修正输出 * * @param model 可调用的模型（需要有 invoke 方法） * @param messages 初始消息数组 * @param options 重试配置 * @ 阅读全文
posted @ 2026-05-03 16:08
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/** * 通用提示词片段 * 用于在各个节点的 System Prompt 中复用 */ /** * JSON 安全输出提示词 * 强调 LLM 必须生成严格合法的 JSON */ export const JSON_SAFETY_PROMPT = ` 【JSON 输出安全规则 - 必须严格遵守】 阅读全文
posted @ 2026-05-03 16:03
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