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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: Claudia’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 haven’t changed between renders, React returns the memoized (cached) value. Syntax javascript Копировать Редактировать 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 Here’s a common structure for a JavaScript project: ├── src/ # Source files │ ├── components/ # Reusable UI components │ ├── services/ # API calls and service logic │ ├── utils/ # Utility functions │ ├── assets/ # Static files (images, fonts, etc.) │ ├── views/ # Page-level components (for single-page apps) │ ├── index.js # Main entry point │ ├── App.js # Root component │ ├── public/ # Static public assets │ ├── index.html # Main HTML file │ ├── favicon.ico # Site favicon │ ├── .env # Environment variables ├── .gitignore # Files to ignore in Git ├── package.json # Project metadata and dependencies ├── webpack.config.js # Webpack configuration (if applicable) └── tsconfig.json # TypeScript configuration (if using TS)

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Define Objectives Trading Goals: Decide what the bot should achieve (e.g., scalping, trend following, arbitrage). Market and Assets: Choose the market (e.g., stocks, cryptocurrency, forex) and the assets your bot will trade. Risk Management: Set rules for position sizing, stop-loss limits, and risk tolerance. 2. Understand the Basics Market Knowledge: Learn about market structures, trading strategies, and indicators. Programming Skills: Proficiency in a programming language like Python, JavaScript, or C++ is essential. APIs: Familiarize yourself with APIs of trading platforms (e.g., Binance, Coinbase, Interactive Brokers). Regulations: Ensure compliance with trading regulations in your jurisdiction.

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1. Junior Developer (Entry-Level) Experience: 0–2 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: 2–5 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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If you are building a farcaster / onchain app you should be using Dune's token balance API to create a richer and performant UI. It's free up to 10RPS and serves 50 chains in a single request. https://dune.com/echo

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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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Certainly! Let's talk about SCSS (Sassy CSS). What is SCSS? Superset of CSS: SCSS (Sassy CSS) is a preprocessor for CSS. It extends the basic syntax of CSS with features like variables, nesting, mixins, and more, making it easier to write, maintain, and scale your stylesheets. Compiled to CSS: SCSS files are compiled into regular CSS that can be used in any web browser. Key Features of SCSS: Variables: Define variables to store and reuse color values, font sizes, and other CSS properties. SCSS $main-color: #333; $font-size-base: 16px; body { color: $main-color; font-size: $font-size-base; } Nesting: Nest CSS rules within other rules, improving readability and maintainability. SCSS .container { .row { display: flex; } }

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Certainly! Let's talk about SCSS (Sassy CSS). What is SCSS? Superset of CSS: SCSS (Sassy CSS) is a preprocessor for CSS. It extends the basic syntax of CSS with features like variables, nesting, mixins, and more, making it easier to write, maintain, and scale your stylesheets. Compiled to CSS: SCSS files are compiled into regular CSS that can be used in any web browser. Key Features of SCSS: Variables: Define variables to store and reuse color values, font sizes, and other CSS properties. SCSS $main-color: #333; $font-size-base: 16px; body { color: $main-color; font-size: $font-size-base; } Nesting: Nest CSS rules within other rules, improving readability and maintainability. SCSS .container { .row { display: flex; } }

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Certainly! Let's talk about the ternary operator in JavaScript. Ternary Operator (Conditional Operator) The ternary operator is a concise way to write conditional expressions in JavaScript. It provides a shorthand for the if...else statement. Syntax: JavaScript condition ? expressionIfTrue : expressionIfFalse; Breakdown: condition: An expression that evaluates to true or false. expressionIfTrue: The value to be returned if the condition is true.

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Understanding useContext in React useContext is a React Hook that provides a way to access context values from a context object. It's particularly useful for sharing data that needs to be accessible throughout a component tree without prop drilling. How it Works Create a Context: Use React.createContext to create a context object. This object will hold the data you want to share. Provide the Context: Wrap the parts of your component tree that need access to the context with the Context.Provider component. Pass the desired value as a prop to the Provider. Consume the Context: Use the useContext Hook within components that need to access the context value.

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Vue.js: A Progressive JavaScript Framework Vue.js is a popular and versatile JavaScript framework for building user interfaces. It's designed to be approachable, yet capable of powering complex single-page applications. Core Concepts of Vue.js: Components: Vue.js applications are built from reusable components, each with its own HTML template, JavaScript logic, and CSS styles. Declarative Rendering: You describe the desired state of the UI, and Vue.js efficiently updates the DOM when the underlying data changes. Data Binding: Vue.js uses a two-way data binding system, meaning changes in the data are reflected in the UI, and vice versa. Virtual DOM: Vue.js uses a virtual DOM to minimize direct DOM manipulations, resulting in high performance. https://vuejs.org/

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