Programming News and Topics: Latest News on Computer Programming from Techminis

A naukri.com initiative

New

Home

Programming News

Dev

378

Image Credit: Dev

🧠 Understanding the Virtual DOM in React: How It Works and Why It Matters

The Virtual DOM (VDOM) is a lightweight JavaScript object that represents the actual DOM (Document Object Model) in memory.
Instead of updating the real DOM directly, React updates the Virtual DOM, compares it with the previous version using diffing, calculates the minimum number of changes, and applies only those changes to the real DOM.
The real DOM is slow due to its tree-structured nature and heavy browser operations, while the Virtual DOM allows for better performance and faster updates.
Using the Virtual DOM in React helps developers achieve better performance, avoid manual manipulation of the DOM, build interactive UIs faster, and enables future features like Concurrent Mode and Server Components.

Read Full Article

22 Likes

Dev

361

Image Credit: Dev

📘 Introduction to Algorithms with JavaScript – Beginner-Friendly Guide

Algorithms are the heart of programming. Whether you're building a simple app or a complex system, knowing how to write and understand algorithms is key to becoming a better developer.
An algorithm is a set of step-by-step instructions used to solve a problem or perform a task. Think of it like a recipe: a clear list of actions you follow to achieve a result.
Learning algorithms will help you improve your problem-solving skills, write efficient code, prepare for technical interviews, and build scalable and optimized applications.
The article provides a simple example of an algorithm written in JavaScript that finds the largest number in an array.

Read Full Article

21 Likes

Dev

239

Image Credit: Dev

How to Monitor and Profile Python Code With Py-Spy for Performance Bottlenecks

Py-Spy is a powerful sampling profiler that allows you to see where your Python code is spending time.
Unlike traditional profilers, Py-Spy runs as an external process and attaches to the running Python program.
It supports both CPython and PyPy, and works on Linux, macOS, and Windows, with minimal overhead.
Py-Spy is an effective tool for profiling Python programs, enabling the identification of bottlenecks and optimizing performance without code changes.

Read Full Article

14 Likes

Dev

214

Image Credit: Dev

Using Streams with Fetch for Efficient Data Processing

In modern web development, efficiently handling large volumes of data can be a challenge, but combining the Fetch API with streams can offer a powerful solution for real-time data processing.
The introduction of the Fetch API in 2015 revolutionized HTTP requests, providing a more intuitive and promise-based approach than the traditional XMLHttpRequest (XHR) method.
Streams in JavaScript enable continuous data processing without loading it entirely into memory, offering various types like Readable, Writable, Duplex, and Transform Streams.
The Fetch API initiates network requests using the fetch() function and allows handling responses, including streaming data efficiently through the Response object's body property.
Integrating streams with Fetch involves reading and processing data incrementally, which is beneficial for managing large datasets without extensive memory usage.
Advanced scenarios include transforming data on-the-fly and proper error handling in streams to ensure robust application performance.
Comparatively, Fetch with streams surpasses XHR in ease of use and stream support, making it ideal for processing large datasets efficiently.
When evaluating performance, using streams avoids buffering large responses entirely, leading to reduced memory usage and improved user experience.
Potential pitfalls like unhandled errors, memory leaks, and network issues should be addressed when working with streams for data processing.
Advanced debugging techniques involve monitoring network logs, console logging, and performance profiling to optimize stream processing.
In conclusion, leveraging streams with Fetch empowers developers to optimize data processing, enhance performance, and improve user experience, making it a valuable technique for efficient web development.

Read Full Article

12 Likes

Medium

365

Image Credit: Medium

C# Comments: Write Notes Now, Thank Yourself Later!

Comments don't affect how your program runs. They're purely for humans.
Leaving clear comments is a habit worth building from day one.
Outdated comments are worse than no comments. Update them if your logic changes.
Use comments where they add value, especially in tricky or unclear logic.

Read Full Article

21 Likes

Dev

180

Image Credit: Dev

🚀 HustleGPT: Your Generative AI-Powered Startup Advisor

HustleGPT is a Generative AI-powered assistant that helps early-stage founders validate ideas, plan MVPs, and make smarter decisions, faster.
The backend brain of HustleGPT was built using Google’s Gemini Pro and LangChain, as part of the Google x Kaggle GenAI Capstone.
HustleGPT takes in a startup idea, grounds it in trusted startup literature, and responds like a cofounder, mentor, or VC.
The project used Gemini Pro (Chat + Embeddings) via LangChain's VectorStore and RAG Pipeline grounded in Paul Graham’s essays, Y Combinator’s startup guide, and OpenAI’s startup advice.

Read Full Article

10 Likes

Medium

256

Image Credit: Medium

Entropy Surfing: A New Framework for Time-Aware Symbolic Prediction

A new framework called Entropy Surfing has been developed for time-aware symbolic prediction.
The framework utilizes fractal structure, golden ratio memory, and harmonic feedback for recursive forecasting.
Entropy Surfing aims to flow with data noise instead of forcing order onto it.
The approach doesn't provide certainty but offers synchronization and flexibility for different domains.

Read Full Article

15 Likes

Dev

147

Image Credit: Dev

day-27: Java Abstraction and Inheritance: Key Concepts, Code Examples, and Interview Insights

Abstract Classes Can have at least one abstract method? True
Abstract classes SHOULD have at least one abstract method? False.
Abstract Methods are declared to have no body, leaving their implementation to subclasses.
Interface is 100% Abstraction.

Read Full Article

8 Likes

Dev

277

Image Credit: Dev

Agentic Chatbot with OpenAI Agent Framework 🤖

This project demonstrates a powerful multi-modal chatbot built using OpenAI's Agent Framework.
The chatbot can handle various tasks including financial data retrieval, weather information, image generation, and creative content creation.
It showcases the capabilities of modern AI agents in handling complex, multi-step tasks with external API integrations.
Key features include multi-modal capabilities, real-time data integration, creative content generation, seamless API integration, and natural language understanding.

Read Full Article

16 Likes

Medium

206

Image Credit: Medium

Mastering Eloquent: The Ultimate Guide to Optimizing Queries in Laravel 12

Laravel 12 provides powerful tools to optimize Eloquent queries.
Optimizing queries can speed up your app, reduce database load, and enhance user experience.
Key strategies include eager loading relationships, selecting only necessary columns, caching data, using indexes for WHERE clauses, chunking large datasets, filtering in queries, preferring `exists()` over `count()`, and optimizing search queries.
Implementing these tips will result in a faster, more efficient, and scalable application.

Read Full Article

12 Likes

Dev

Image Credit: Dev

🚀 My Journey into Full Stack Development: From Hello World to Real-World Projects

My journey into full stack development started with learning Core Java and gradually exploring concepts like OOP, Inheritance, and Exception Handling.
I then learned about JDBC and JPA, which allowed me to interact with databases and automate CRUD operations.
The next step was mastering Spring Boot, which enabled me to build RESTful APIs and implement features like dependency injection and data validation.
To bring my applications to life on the screen, I discovered Angular, which helped me create interactive UIs with routing and real-time updates from the backend.

Read Full Article

2 Likes

Medium

374

The Growth from Buzz to Relevance

Toyota announces the development of a solid-state battery that can be charged in 10 minutes and provide a range of 1,200 km, potentially revolutionizing the EV market.
Q2 2023 witnesses advancements in AI, spatial computing, and progress in the fields of space, energy, and sustainability.
The rapid growth in the tech industry raises the question of whether we are going too fast or if this is just the beginning of a larger transformation.

Read Full Article

22 Likes

Dev

210

Image Credit: Dev

All Design Pattern Javascript/Typescript You Must Know

Structural patterns like Composite, Decorator, Adapter, Bridge, Façade, and Proxy are used for efficient API handling in JavaScript/TypeScript applications.
Composite Pattern is used for independent nested components fetching their own APIs. Decorator Pattern is used for transparent logging, caching, retry around API calls.
Adapter Pattern is useful for adapting external API responses to a custom model. Bridge Pattern helps in supporting multiple backends behind a common abstraction.
Façade Pattern simplifies complex multi-endpoint operations behind a single interface. Proxy Pattern enables lazy loading or caching API data when needed.
Behavioral patterns like Chain of Responsibility, Command, Observer, Strategy, and Mediator aid in managing API workflows, async calls, event systems, and centralized coordination.
Best practices include abstracting API endpoints, using async/await consistently, employing decorators/proxies for logging, caching, retries, and applying SOLID principles alongside design patterns.
In a Full-Stack TypeScript Clean Architecture plan, NestJS and Next.js are suggested for backend and frontend respectively. Patterns like Factory, Singleton, Adapter, Decorator, Proxy, Strategy, Chain of Responsibility, Command, Observer, Mediator are recommended.
The article also outlines a modular API layer, examples of API patterns implementation, and frontend architecture using React hooks and services for a comprehensive Full-Stack TypeScript application.

Read Full Article

12 Likes

Dev

344

Image Credit: Dev

Understanding Event Delegation in JavaScript: From Bubbling to Data Attributes

Understanding Event Delegation in JavaScript: From Bubbling to Data Attributes
Event bubbling is the behavior where an event triggers on the element itself and then bubbles up to its parent elements. understanding and effectively using event bubbling is important to avoid unintended issues.
To apply the same event listener to multiple child elements, it is more efficient to attach the listener to their common parent. This way, regardless of the child element clicked, the event handler will execute.
Data attributes in HTML allow for creating custom attributes to exchange information between HTML and the DOM. They can be used for CSS styling and simplify management when compared to adding individual event listeners.

Read Full Article

20 Likes

Medium

353

Image Credit: Medium

Why Object Equality in Java Isn’t Always What You Expect

In Java, comparing objects using == checks if both variables point to the exact same object in memory, known as reference equality.
Using new keyword creates new objects, making == return false even if objects have the same content.
Java's string interning can reuse the same object for string literals, impacting comparison results.
To compare object content, the equals() method is used, with built-in classes like String overriding it to compare values.
Manual implementation of equals() is necessary for user-defined classes to compare content instead of memory references.
Java uses equals() and hashCode() for collections like HashSet and HashMap to determine object uniqueness.
An incorrect implementation of hashCode() can lead to issues in hash-based collections like HashMap, affecting object retrieval.
Java handles hash collisions efficiently, allowing objects with matching hash codes but different content to coexist in collections.
Collections like TreeMap rely on natural ordering or passed comparators, while LinkedHashSet preserves insertion order in addition to equality checks.
Understanding object equality in Java involves considerations of how objects are compared, the type of collection used, and the implementation of equals() and hashCode().

Read Full Article

21 Likes

For uninterrupted reading, download the app

Programming News

Discover more