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Daily Issue #120 | Subscribe to DS | Daily Sandbox Pro

Hello Developers!

Optimize your web experience by avoiding multiple page redirects and building lightning-fast websites with proven frontend techniques from industry leaders. Discover how MongoDB outshines SQL for modern, high-traffic applications, and learn to handle JWT tokens in React with Axios interceptors. Explore the power of on-device AI for private, fast processing, and enhance your design workflow with NeuralSVG, an AI tool for scalable vector graphics. Lastly, dive into training a 2 billion-parameter LLM using The Pile dataset for precise language modeling.

Discover citizen, a Node.js MVC framework with essential tools, jazz for building local-first apps, mizu.js for lightweight and flexible web development, and pipet, a powerful tool for data scraping and extraction.

Dive in and keep coding!

Avoid Multiple Page Redirects: How They Impact Page Speed - Redirects slow down page loading, harming user experience and Core Web Vitals. Learn how to optimize redirects to improve performance and ensure faster browsing for your visitors.

How to Build Websites That Load Before You Blink: Frontend Optimization Tips - Learn how to create lightning-fast websites that enhance user experience, boost search rankings, and drive conversions. This guide covers everything from web performance basics to advanced optimization techniques used by industry leaders like Netflix, Google, and Amazon.

MongoDB vs. SQL: When Does MongoDB Win the Battle? - Choosing the right database often comes down to SQL vs. MongoDB. While SQL databases have been the backbone for decades, MongoDB’s flexible, document-based structure is a game-changer for modern, high-traffic, and evolving systems. Discover what sets MongoDB apart and why it’s often the go-to choice for dynamic applications.

Handling JWT Tokens with Axios Interceptors in React - Learn how to efficiently manage authentication in React by using Axios interceptors to handle JWT tokens. This guide covers securing API requests and ensuring smooth, secure communication in modern React applications.

On-Device AI: Building Smarter, Faster, and Private Applications - On-device AI processes data locally, improving performance by reducing server latency and keeping your data private. Joas Pambou explores its importance, tools for building it, and how this technology is transforming the way we use apps every day.

NeuralSVG: Revolutionizing Vector Graphics with AI - Harness the power of AI with NeuralSVG, a tool that creates scalable, editable vector graphics. Combining deep learning with vector design, it enhances precision and creativity while seamlessly integrating into your favorite design tools.

Building a 2 Billion Parameter LLM from Scratch Using Python - Learn how to train a 2 billion-parameter LLM from scratch using The Pile dataset. The result? An LLM with perfect grammar and punctuation in shorter contexts, though it still faces challenges with complete responses.

More news here →

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Problem: I was getting an error in my vue code, and I could not figure out where the problem was, so I asked ChatGPT to help. My prompt was it seems emailRef.value is undefined in this code, can you help? 

Here is my vue code that was having an issue

const toggleLogin = (event) => {
	login_box.value.toggle(event);
	nextTick();
	emailRef.value.$el.focus();
};

AI Suggestion: WORKED!!! 😱😱😱

const toggleLogin = (event) => {
    login_box.value.toggle(event);

    // Ensure DOM updates are complete before accessing emailRef
    nextTick(() => {
        if (emailRef.value) {
            emailRef.value.$el.focus();
        } else {
            console.error('emailRef is not defined');
        }
    });
};

Explanation: 

1. nextTick Callback: Ensures the DOM is updated before interacting with emailRef.

2. Error Handling: Includes a fallback check (if (emailRef.value)) to handle cases where emailRef is unexpectedly null.

More code snippets here →

Learn how to make AI work for you

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• citizen - Node.js MVC web application framework. Includes routing, serving, caching, session management, and other helpful tools.

• jazz - a framework for building local-first apps — an architecture that lets companies like Figma and Linear play in a league of their own.

• mizu.js - a lightweight, flexible JavaScript framework designed for both client-side and server-side use, offering versatility for SPAs, static websites, and interactive applications. It combines simplicity, minimal learning curves, and customization options while staying close to vanilla JavaScript and HTML.

• pipet - Swiss-army tool for scraping and extracting data from online assets, made for hackers

More code libs here →

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