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A More Reliable Thread-Save Java Singleton Class Implementation

The constructor is made private to prevent the class user from creating instances of the class using the 'new' keyword.
The previous class implementation was not thread-safe, but the new version is more reliable in a multi-threaded environment.
The use of a local variable 'result' improves code performance. In most cases, the volatile field is only accessed once, resulting in a potential 25 percent performance improvement.
The mutex object is not a string to avoid locking a string that might be used by another piece of code. String objects are stored in a string pool.

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Medium

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Building a Robust Task Execution Context in Go — Another take on Error handling

This article discusses a robust approach to error handling in Go for concurrent task execution.
The author proposes the use of a TaskContext wrapper that allows for checking and handling errors in the execution context.
The TaskContext implementation solves challenges such as executing multiple tasks concurrently, collecting errors from all tasks, limiting concurrent executions, maintaining thread safety, and tracking the first error.
The article provides links to additional resources on the Go Context Package, Go Concurrency Patterns, and Error Handling in Go.

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Dev

381

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Celebrating the Winter Solstice: An Interactive Web Experience

I built an interactive landing page celebrating the Winter Solstice, blending festive animations, seasonal traditions, and engaging content.
The goal was to create an immersive experience that educates visitors about the solstice while highlighting global celebrations through captivating visuals, snowfall effects, and audio.
The project involved creating an interactive Winter Solstice landing page with CSS animations, JavaScript interactivity, and media integration.
Future plans include adding real-time data, personalized features, and improving accessibility.

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Dev

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How to shedule a task in Node.js using Node Cron

To handle a delayed deletion request in Node.js, you can use a delayed task scheduling approach using packages like node-cron or Agenda.js.
Install the node-cron package using npm install node-cron.
Implement the code to schedule the deletion by setting a deletion date using cron.schedule.
After 5 days, the scheduled task will be triggered to delete the user profile using User.findByIdAndDelete.

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Medium

411

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Will AI Save Us or Doom Us? The Truth Nobody’s Talking About

AI is a revolutionary technology that can bring both positive and negative impacts.
Its potential includes diagnosing diseases and automating tasks, but it can also be used for manipulation or hacking.
The impact of AI depends on human intention and regulation.
Advocating for ethical AI practices and understanding how it works is vital to prevent misuse.

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Medium

385

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From Small Talk to Smart Talk: How $CONVO Makes Conversations Meaningful

The conversation with $CONVO feels like a safe space with an intelligent, attentive friend rather than a computer.
$CONVO aims to make conversations engaging, warm, and personalized.
The stock price of $CONVO is currently at $0.08314, down 12.55% in the last 24 hours.
Traders are uncertain about the short-term direction of $CONVO based on inconsistent volume bars.

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Marktechpost

220

NeuralOperator: A New Python Library for Learning Neural Operators in PyTorch

NVIDIA and Caltech introduce NeuralOperator, a new Python library for operator learning in scientific computing.
NeuralOperator allows mapping function spaces to improve computational efficiency and solve partial differential equations.
It is built on PyTorch and provides an accessible platform for training and deploying neural operator models.
NeuralOperator is modular and robust, catering to all levels from beginners to advanced scientific machine learning practitioners.
The library’s design principles emphasize resolution-agnosticity, allowing models trained on one resolution to seamlessly adapt to others.
NeuralOperator employs integral transforms as a core mechanism, using spectral convolution and tensor decompositions to ensure computational efficiency while reducing memory usage.
Tests have demonstrated its marked improvement over traditional methods for benchmark datasets such as Darcy Flow and Navier-Stokes equations.
NeuralOperator also supports distributed training and mixed-precision training, allowing large-scale operator learning and reducing memory requirements.
The components of NeuralOperator make it a versatile tool for scientific domains that rely on solving PDEs.
In conclusion, the modularity and user-centric design of NeuralOperator make it a valuable tool for researchers seeking to improve speed, scalability, and adaptability of models.

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Dev

220

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How to Implement an Auto-Reply System Using EmailJS in Your React Project

Setting up an auto-reply system for your React project using EmailJS can enhance the user experience.
There are two ways to integrate EmailJS into your React project: using the SDK or the REST API.
Using the SDK: Install the EmailJS SDK, configure it in your React component, and use the sendForm method to send emails.
Using the REST API: Install Axios, send a POST request to the EmailJS REST endpoint with the necessary parameters.

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Medium

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Google's Most Searched Items in Pakistan During 2024

Former Prime Minister Imran Khan and general elections were among the top searched items in Pakistan during 2024.
Freelancing and online jobs also garnered significant interest as people searched for alternative income sources.
Health and fitness trends saw an increase, reflecting growing awareness about mental wellness and home workouts.
Entertainment searches focused on Bollywood and Lollywood stars like Fawad Khan and Sajal Aly, while food queries revolved around healthy recipes and popular food places.
Climate change and water scarcity emerged as important environmental topics, given the escalating natural calamities faced by Pakistan.

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Dev

118

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React Server Components (RSC): A Deep Dive with Examples

React Server Components (RSC) are a significant evolution in React's architecture, designed to improve performance, developer experience, and user experience in server-rendered applications.
RSC allows components to be rendered on the server and sent to the client as a serialized React tree, reducing bundle size and improving performance.
Key characteristics of RSC include server-rendered components, improved bundle size, seamless integration, and zero waterfall rendering.
Advantages of RSC over Server-Side Rendering (SSR) include reduced client workload, better code splitting, and improved time-to-interactive.

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Medium

190

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It was the biggest coup that Indian chess, riding the crest of a global wave lately, has seen in a…

17-year-old chess prodigy Gukesh has surpassed five-time world champion Vishwanathan Anand in the FIDE ratings.
Gukesh is now ranked No. 8 globally, while Anand is at No. 9, indicating a shift in India's top chess players.
This marks the first time in 37 years that Anand is not India's No. 1 chess player.
Gukesh expressed surprise and hesitation when acknowledging his new position in the presence of Anand at an event in Kolkata.

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Dev

181

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Build Your Developer Portfolio: Exciting Web Development Projects You Can Start Today

To build a strong portfolio in web development, you need to have a collection of impressive web development projects as it demonstrates your technical skills, creativity, and problem-solving abilities.
Beginner-level projects include a personal portfolio website, a to-do list application, and a survey form. These require HTML, CSS, Javascript, and their use can create an impressive portfolio.
For intermediate-level project, one can create an expense tracker, an online store, and a hotel review website. These require working with databases, APIs, payment gateways, and user authentication and can give a deeper understanding of creating real-world applications.
For advanced-level projects, an online ticket booking system, a blockchain-based voting system, and an E-healthcare platform with firewalls and encryption require learning about database management, system design, cybersecurity, data protection, and compliance.
Beginners can start with simple projects, like a personal portfolio website and a to-do list application, and continue on to more advanced projects like an e-commerce website or an online ticket booking system.
Working on these projects can help web developers showcase their technical skills and creativity, demonstrate their problem-solving abilities, and build a strong foundation.
Eventually, these projects can help you gain experience, confidence, and stand out to potential clients.
Some great sources of inspiration for portfolio websites include online templates such as Hugo Themes or Astro Themes and websites like Jesse Zhou's Portfolio, Brittany Chiang's Portfolio, and Alex Pate's Portfolio.
Building an expense tracker, an online store, a hotel review website, an online ticket booking system, a blockchain-based voting system, and an E-healthcare platform with firewalls and encryption can help you showcase your skills and creativity.
These projects will give you an insight into creating real-world applications, learning about database management, system design, cybersecurity, data protection, and compliance.

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Dev

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Cross-Browser Testing Made Easy with Playwright

Cross-browser testing ensures your web application works seamlessly across different browsers and devices, delivering a consistent user experience. Playwright simplifies this process with its powerful automation capabilities and support for major browsers like Chromium, Firefox, and WebKit.
Modern web applications are accessed through various browsers and devices. Cross-browser testing helps detect and fix browser-specific issues, ensures consistent functionality and UI, and enhances user satisfaction and accessibility.
To get started with Playwright for cross-browser testing, you need to install it and configure the browsers you want to test. Playwright supports Chromium, Firefox, and WebKit.
Playwright allows you to write a single test and run it across multiple browsers. It simplifies cross-browser testing by providing options for managing browser-specific behavior, debugging across browsers, and handling visual and responsive testing.

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Dev

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Day 03: Learning JavaScript APIs: Page Visibility API

The Page Visibility API is a browser feature that helps developers figure out if a webpage is visible or hidden to the user.
It can pause resource-heavy tasks, save battery life, and improve user experience.
It works by using the document.hidden property and the visibilitychange event.
The API is well-supported in modern browsers but has limitations and may not substitute for user engagement.

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Dev

373

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ML Engineer RoadMap

The ML Engineer roadmap provides a clear path for learning the skills required for an ML Engineer.
It starts with foundational knowledge in mathematics, programming, and databases.
The roadmap then progresses to learning machine learning fundamentals, algorithms, and techniques.
Finally, it covers advanced topics like deep learning and data visualization tools.

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