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Factory vs Constructor Functions: When Prototypes Don't Behave as Expected

Factory functions and constructor functions in JavaScript behave differently when it comes to prototypes.
Factory functions return plain objects with no prototype connection, while constructor functions set the prototype of the created object to the constructor's prototype.
To address issues with prototype inheritance in factory functions, methods can be included directly in each object or Object.create can be used for proper prototype inheritance.
Understanding the differences between factory and constructor functions is crucial for efficient memory management and ensuring expected behavior in JavaScript object creation.

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Medium

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Mechanics Behind Async Iterators and For-Await-Of in JavaScript

JavaScript treats asynchronous values and iterable behavior as separate until used with for-await-of loop, where they come together.
An object is iterable when it has a method tied to Symbol.iterator that returns an object with a .next() method.
Async iterators are similar, but the .next() method returns a Promise, making the loop wait for Promise resolution.
for-await-of loop uses Symbol.asyncIterator to handle Promises and values with done flags.
Async generators combine yielding values like regular generators with waiting on Promises, allowing for pausing and waiting during execution.
The for-await-of loop waits for each yield from an async generator, allowing values to be processed as they arrive.
JavaScript engine turns async generators into paused state machines, enabling natural pause and resume functionality without manual handling.
Code within the for-await-of loop is paused using microtasks while waiting for Promises, ensuring asynchronous loops remain responsive.
for-await-of loop throws exceptions for rejected Promises, and the entire loop structure should be inside a try block to catch errors.
If a loop exits early, the engine checks for a .return() method in the iterator to clean up resources before finishing.

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Dev

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Actually how does work React Awesome framework Next.Js ?

Next.js is a React framework developed by Vercel, aimed at simplifying the process of building server-rendered and statically generated React applications.
Next.js offers features like server-side rendering (SSR), static site generation (SSG), API routes, image optimization, built-in CSS and Sass support, module CSS, and file-based routing.
By utilizing Next.js, web developers can benefit from improved SEO, faster performance, seamless styling, and simplified routing for both frontend and backend workflows.
Whether you're creating a simple blog or a complex web app, Next.js provides a powerful set of tools to enhance your development experience and build blazing-fast, SEO-friendly applications.

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Medium

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The Cost of Reflection on JVM Performance and Internal Access Checks

Calling a method reflectively in Java involves multiple internal steps on the JVM, including method lookup, creation of Method object, bytecode generation, and access checks.
Unlike direct method calls, reflective calls incur additional runtime work and checks, slowing down the process.
Direct method calls benefit from JIT compiler optimizations like inlining, which reflective calls lack due to runtime method determination.
Reflective calls involve argument conversion processes, boxing and unboxing of primitive types, leading to performance overhead.
Reflection in Java allows accessing private state through setAccessible(true), bypassing normal access controls, which was widely used in frameworks.
Java Platform Module System introduced boundaries for access control, requiring explicit declarations for reflective access, impacting frameworks relying on deep reflection.
Introduction of modules shifted the access control paradigm, making reflective access dependent on module-level permissions rather than setAccessible(true) alone.
Java deprecated the --illegal-access option, now enforcing access restrictions defined by module declarations, affecting reflection-heavy tools and frameworks.
Frameworks adapted by using new alternatives like sun.misc.Unsafe or VarHandle when faced with restricted reflective access due to module boundaries.
Reflection in Java continues to be used but with considerations for module-level boundaries and explicit permissions post-Java 9.
Understanding the complexities of reflective access in the context of Java modules helps navigate the limitations and requirements imposed by the JVM.

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Dev

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Product & Catalog Management in OneEntry: Practical Tools for Scalable Projects

Efficient product and catalog management are fundamental for digital businesses and OneEntry offers a faster, structured, and scalable solution.
Fast and structured product creation in OneEntry allows quick addition of new products with enriched attributes and automatic generation of previews.
Flexible category architecture in OneEntry ensures products can belong to multiple categories without duplication, maintaining a centralized product card for consistent information.
Advanced product controls, streamlined status management, multiple import methods, bulk editing tools, and product linking capabilities make OneEntry a comprehensive solution for efficient product and catalog management.

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Dev

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Converting Scanned Documents to Searchable PDFs

Scanned documents are often image-based PDFs that lack searchability and text functionality, hindering information retrieval and manipulation.
Converting scanned documents into searchable PDFs enables text search, copy-paste, accessibility, and smaller file sizes through text compression.
The process involves OCR for text recognition, image processing for cleanup, and generating dual-layer PDFs with visible images and invisible text.
Desktop software like Adobe Acrobat Pro and ABBYY FineReader offer OCR capabilities, batch processing, and multiple language support.
Online tools like RevisePDF provide OCR conversion features without software installation, with multiple language support and intuitive interfaces.
Mobile apps like Adobe Scan and cloud services like ABBYY Cloud OCR offer convenient OCR solutions with integration capabilities and varying degrees of accuracy.
Optimizing scans with proper resolution, image modes, and pre-processing techniques improves OCR accuracy and overall document quality.
Handling special document types like multi-column layouts, historical documents, and forms requires adjusting OCR settings and post-processing techniques.
Managing searchable PDF output involves optimizing file size, quality control, document management integration, and advanced features like accessibility enhancements.
Best practices include establishing conversion standards, efficient batch processing, integration with document lifecycles, and continuous improvement mechanisms.

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Arstechnica

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OpenAI introduces Codex, its first full-fledged AI agent for coding

OpenAI has introduced an AI coding tool called Codex for experienced developers in research preview.
Codex allows developers to delegate simple programming tasks to an AI agent that generates production-ready code and displays the process.
Accessible through the ChatGPT web app, users can input prompts and choose between 'code' for code generation or 'ask' for answers and advice.
Tasks given to Codex are performed in a separate container with the user's codebase, replicating their development environment accurately.

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Logrocket

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Neumorphism: The new trend in UI design

Neumorphism blends minimalism and realism, using shadows and highlights for soft, feather-like interfaces.
It maintains simplicity with subtle shadows, highlights, and gradients while providing visual clarity.
Originating from skeuomorphism and flat design, neumorphism offers a balance between realism and minimalism.
Monochromatic color palettes, 3D effects, and rounded shapes are core principles of neumorphic design.
Neumorphism's pros include modern simplicity, creativity opportunities, and consistent user experiences.
However, it may pose accessibility and usability challenges due to low contrast and minimal color schemes.
Creating neumorphic designs involves using monochrome colors, 3D effects, and rounded elements.
Examples of neumorphic design are seen in Momentum Dash, Bose's music app, and Tesla's mobile app.
Other UI design trends like glassmorphism, neubrutalism, and dark mode are discussed in comparison to neumorphism.
Considerations for using neumorphism include addressing accessibility concerns and usability issues.

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Logrocket

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Neumorphic design: What it is and how to use it effectively

Neumorphic design blends minimalism and realism through soft shadows and highlights to create interfaces that are visually appealing yet easy to comprehend.
Neumorphism maintains simplicity while introducing subtle shadows, highlights, and gradients for a clean and soft design surface.
Originating as a modernized version of flat design, neumorphism provides depth and hierarchy to UI components like buttons and cards.
Skeuomorphism, flat design, and neumorphism represent the evolution of UI design trends from realistic imitation to minimalistic approach with depth.
Neumorphism balances realism with minimalism by incorporating 3D effects, monochromatic color schemes, and rounded shapes for a modern interface.
Design principles of neumorphism include monochromatic color palettes, gradients, 3D effects with shadows and highlights, and rounded corners for a soft UI.
Benefits of neumorphism include modern, simplistic designs with opportunities for creativity, leading to consistent user experiences across different products.
Accessibility and usability concerns arise from neumorphism due to low contrast designs and minimal color schemes, requiring careful consideration for inclusive design.
Creating neumorphic designs involves utilizing monochrome colors, 3D effects from shadows and highlights, and rounded corners for a soft and airy UI.
Neumorphic interfaces provide a realistic yet minimalist look, offering a blend of simplicity and visual appeal while addressing accessibility and usability challenges.

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Medium

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Understanding Two-Way Data Binding in React (and Why It’s Rarely Used)

Two-way data binding in React means data from state updates the UI, and changes in UI update the state effortlessly.
React doesn't use two-way binding by default but opts for one-way data flow for explicit and predictable updates.
Although React prefers one-way data flow, you can create your own two-way binding using custom components if needed.
Implementing two-way binding in React involves manually updating the state with event handlers for a clearer and more controlled approach.

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Medium

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How Autoencoders Helped Me Detect Anomalies Before They Became Disasters

The essay discusses the usage of unsupervised autoencoders for detecting anomalies in high-dimensional environmental data.
The approach involves training the autoencoder on everyday observations to identify deviations using reconstruction error.
Results demonstrate high precision (~95%) and a strong AUC of 0.90, with lower recall due to a conservative threshold.
The conclusion highlights the effectiveness of autoencoders for learning standard patterns and suggests tuning thresholds or architectural enhancements for improved anomaly sensitivity.

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Medium

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Leetcode #88 — Merge Sorted Array from Naive to Optimal Solution

Merge two sorted integer arrays nums1 and nums2 in-place.
Input: nums1, nums2, m, n where nums1 has m+n length and nums2 has n elements.
Constraints: nums1 and nums2 are already sorted in non-decreasing order.
Code implements merging nums2 into nums1 from the end by comparing elements.

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Javacodegeeks

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Running Java Apps on AWS Lambda with SnapStart: Is It Production-Ready Yet?

AWS Lambda SnapStart is a feature designed to improve cold start performance for Java applications on AWS Lambda by pre-initializing and snapshotting the runtime state.
SnapStart works by taking a snapshot of the Java runtime after initialization and restores this state for faster subsequent invocations, reducing cold start times by up to 10x.
Enabling SnapStart on Java 11 or Java 17 functions in AWS Lambda can significantly reduce cold start times, making it suitable for production-level Spring Boot applications.
Although SnapStart cuts cold start times by 90%, it is best suited for Spring Boot 3.x and may not be fully compatible with all AWS services yet, such as Provisioned Concurrency or Lambdas behind Elastic Load Balancer.
SnapStart is recommended for APIs with unpredictable traffic, event-driven workloads, and latency-sensitive features, but caution is advised for dynamic init logic or unsupported runtimes.
The article provides a ready-to-use project structure for a Spring Boot 3 + AWS Lambda SnapStart example, emphasizing proper setup and considerations to ensure successful deployment.
SnapStart is considered production-ready for Spring Boot applications if used cautiously, offering a significant reduction in cold start latency, but users must be mindful of potential limitations and compatibility issues.
Utilizing SnapStart can bring down cold start latency for Java Lambdas with Spring Boot and is recommended for most real-world applications, but users should handle it as a powerful tool to avoid unintended bugs.
Further resources provided include AWS SnapStart Documentation, Spring Cloud Function + AWS Lambda Guide, Micronaut SnapStart Example, and Java Lambda Best Practices for additional insights and best practices.

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Dev

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Keep It Small, Keep It Moving: The Real Power of Tiny PRs

Keeping pull requests (PRs) small and committing often can significantly benefit development teams.
Advantages of small PRs include easier review processes, helping junior developers contribute, reducing review time, and making bug spotting more efficient.
Small PRs also lead to fewer merge conflicts, clearer Git history, better CI/CD feedback, improved code practices, increased team velocity, and enhanced trust within the team.

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Dev

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Lightweight and High-Performance Rust HTTP Server Library for Modern Web Services

Hyperlane is a Rust library focused on developing high-performance web servers with efficiency and flexibility.
Core features include lightweight and high performance, full HTTP/1.1 support, real-time communication with WebSocket and SSE, and a middleware architecture.
Hyperlane demonstrates exceptional performance with Tokio async runtime, offers cross-platform compatibility, and has minimal dependencies for stability.
The library provides a quick start guide for installation, code examples for building servers, and performance benchmarks showcasing its efficiency.

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