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@sushev

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What Is Claudia.js? Claudia.js is a Node.js library that simplifies the deployment of JavaScript (and TypeScript) applications to AWS Lambda and API Gateway. Instead of manually configuring Lambda functions, API Gateway endpoints, and dealing with multiple AWS services, Claudia.js automates much of the process with a few simple commands. Key Benefits: Easy Setup: Automatically creates and configures AWS Lambda functions and API Gateway endpoints. Simple Commands: Deploy and update your code with minimal AWS console interaction. Support for Multiple Frameworks: Integrates well with popular Node.js frameworks like Express. Automatic Role & Policy Creation: Claudia handles IAM roles and policies for you. Built-In API Builder: Claudiaโ€™s own claudia-api-builder library helps you quickly set up HTTP endpoints. Why Use Claudia.js for Cloud Functions? Reduced Configuration Overhead: Claudia.js drastically cuts down the manual steps usually required to set up AWS resources. .
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What is useMemo? useMemo is a built-in hook that memoizes a computed value. It takes a function and a list of dependencies, then recomputes the value only when one of the dependencies changes. If the dependencies havenโ€™t changed between renders, React returns the memoized (cached) value. Syntax javascript ะšะพะฟะธั€ะพะฒะฐั‚ัŒ ะ ะตะดะฐะบั‚ะธั€ะพะฒะฐั‚ัŒ const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b]); Callback function: The first parameter is a function that returns the computed value. Dependency array: The second parameter is an array of dependencies. The computation is rerun only if one or more of these dependencies have changed since the last render. https://react.dev/reference/react/useMemo
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@sushev Base Folder Structure Hereโ€™s a common structure for a JavaScript project: โ”œโ”€โ”€ src/ # Source files โ”‚ โ”œโ”€โ”€ components/ # Reusable UI components โ”‚ โ”œโ”€โ”€ services/ # API calls and service logic โ”‚ โ”œโ”€โ”€ utils/ # Utility functions โ”‚ โ”œโ”€โ”€ assets/ # Static files (images, fonts, etc.) โ”‚ โ”œโ”€โ”€ views/ # Page-level components (for single-page apps) โ”‚ โ”œโ”€โ”€ index.js # Main entry point โ”‚ โ”œโ”€โ”€ App.js # Root component โ”‚ โ”œโ”€โ”€ public/ # Static public assets โ”‚ โ”œโ”€โ”€ index.html # Main HTML file โ”‚ โ”œโ”€โ”€ favicon.ico # Site favicon โ”‚ โ”œโ”€โ”€ .env # Environment variables โ”œโ”€โ”€ .gitignore # Files to ignore in Git โ”œโ”€โ”€ package.json # Project metadata and dependencies โ”œโ”€โ”€ webpack.config.js # Webpack configuration (if applicable) โ””โ”€โ”€ tsconfig.json # TypeScript configuration (if using TS)
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1. Junior Developer (Entry-Level) Experience: 0โ€“2 years Key Characteristics: Learning the basics of coding, tools, and processes. Requires guidance and supervision from senior team members. Works on well-defined tasks, such as fixing bugs or implementing small features. Focuses on learning company-specific tech stacks, best practices, and workflows. Skills: Basic knowledge of programming languages and frameworks. Familiarity with version control systems (e.g., Git). Eager to learn and improve. 2. Mid-Level Developer (Intermediate) Experience: 2โ€“5 years Key Characteristics: Capable of handling tasks independently with minimal supervision. Works on more complex features, integrations, and improvements. Begins to mentor junior developers. Balances speed and quality in code delivery. Skills: Proficient in one or more programming languages or frameworks. Good understanding of software development life cycles. Knowledge of debugging, testing, and optimization.
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Certainly! Let's explore Mocha, a popular JavaScript test framework. Mocha What it is: Mocha is a feature-rich JavaScript test framework that runs on Node.js and in the browser. It provides a flexible and expressive syntax for writing tests. Key Features: Supports various testing styles: Mocha supports different testing styles, including: BDD (Behavior-Driven Development): Using describe and it blocks to define tests in a human-readable format. Reporting: Provides various reporting options, including console output, JUnit XML, and HTML reports. Parallel Testing: Can run tests in parallel for faster execution. Example: JavaScript const assert = require('assert'); describe('Math Operations', function() { it('should add two numbers correctly', function() { assert.equal(2 + 2, 4); }); it('should subtract two numbers correctly', function() { assert.equal(5 - 3, 2); }); });
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Certainly, let's delve into the world of functional programming! Functional Programming is a programming paradigm where programs are constructed by combining pure functions. Key Concepts: Pure Functions: Input-Output Determinism: Given the same input, a pure function always produces the same output. No Side Effects: Pure functions do not modify any external state (like global variables) or have any observable interaction with the outside world (e.g., network requests, file system operations). This makes them easier to reason about and test. Immutability: Data is generally treated as immutable. When data needs to be modified, a new copy is created instead of altering the original. This helps prevent unintended side effects and makes it easier to track changes. Higher-Order Functions: Functions that can take other functions as arguments or return functions as results. Examples include map, filter, reduce, compose. https://functiondev.medium.com/
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