Posted inJavaScript

How to handle JSON parse errors in JavaScript

Debugging JSON parsing issues requires a methodical approach using tools like browser developer tools, Node.js utilities, and logging frameworks. Techniques include logging JSON states, validating schemas with libraries like ajv, and implementing unit tests for error handling. Addressing syntax errors early enhances application resilience.
How to create a socket using socket.socket in Python
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How to create a socket using socket.socket in Python

Context managers and the contextlib.closing function in Python ensure sockets are properly closed, preventing resource leaks. Managing multiple sockets with select requires explicit cleanup in finally blocks. Handling signals like SIGINT enables graceful shutdowns in long-running socket applications.
How to debounce high-frequency events in JavaScript
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How to debounce high-frequency events in JavaScript

Optimizing debounce in JavaScript applications focuses on enhancing performance and managing memory efficiently. Key strategies include cleaning up event listeners, using mutable state for closures, and centralizing event handling. Implementing debounce with async operations and integrating with requestAnimationFrame can further improve responsiveness and user experience.
Python Coding Kit
Posted inBooks

Python Coding Kit

If you've got a curious kid who's itching to learn coding but rolls their eyes at boring tutorials, this Python book is an absolute game-changer! I wish this existed when I was learning to code. Instead of dry lessons that...
How to understand and use the asyncio event loop in Python
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How to understand and use the asyncio event loop in Python

Asyncio tasks enable responsive Python applications by running long operations without blocking the event loop. Key techniques include concurrent network requests with aiohttp, task cancellation handling, integrating with GUI loops, background task management, and controlling concurrency using semaphores for resource limits.
JavaScript and Blockchain Basics
Posted inJavaScript

JavaScript and Blockchain Basics

JavaScript and blockchain are two technologies that are quickly becoming essential for modern web developers to understand. JavaScript is a powerful programming language used to create interactive websites and web applications, while blockchain is a distributed ledger technology that allows...
Flask Testing: Unit Testing and Test Client
Posted inPython

Flask Testing: Unit Testing and Test Client

Best practices for testing Flask applications include writing single-responsibility tests, using meaningful assertions to verify JSON and HTML content, implementing parameterized tests with pytest, applying mocking to isolate external dependencies, and integrating CI tools for automated test execution and consistent code quality.
Big Fat Notebook
Posted inBooks

Big Fat Notebook

Okay, so my 12-year-old was showing zero interest in coding until this chunky purple book landed on our kitchen table. Now? I can't get the kid off the computer—but in a good way! Everything You Need to Ace Computer Science...
How to create a basic HTTP server in Node.js
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How to create a basic HTTP server in Node.js

Efficient Node.js HTTP servers require managing request and response streams with proper backpressure to prevent memory leaks and stalled connections. Key aspects include flow control, header management, caching, CORS, logging, rate limiting, graceful degradation, and integrating WebSockets for real-time communication.