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Simple Ways to Improve Customer Experience With AI Checkouts

AI checkouts use technologies like computer vision, machine learning, and natural language processing to enhance the checkout process.
These systems, found in retail kiosks and self-service machines, offer fast, accurate, and tailored customer experiences.
For customers, AI checkouts provide convenience, speed, enhanced security, and personalized assistance.
Retailers benefit from improved efficiency, increased revenue, customer engagement, and access to real-time purchase data with AI-powered kiosk solutions.

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Johndcook

140

Riff on an integration bee integral

The integral posted online from this year's MIT Integration Bee appeared to be a beta function and required the substitution u = 1 - x2025 for evaluation.
The value of the integral was small due to numbers between 0 and 1 raised to large powers, making size estimation important in real applications.
Recognition of a beta function to evaluate an integral may seem like pulling a rabbit out of a hat initially, but it is a common practice in areas like biostatistics.
The integral in the Integration Bee question, although not a beta function, could be simplified by a u substitution, while altering the integrand could result in a beta function with an extremely small value.

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Dev

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🚀 Boosting Page Load Times: Practical Strategies for a Faster Website

Page load time plays a significant role in user experience and search engine rankings. Slow websites lead to increased bounce rates, decreased engagement, and negative SEO impact.
The article provides practical strategies to speed up website loading, categorized into network optimizations, resource optimizations, and server optimizations.
Network optimizations include using a Content Delivery Network (CDN), enabling compression like Gzip or Brotli, and implementing HTTP/2 for faster resource loading.
Resource optimizations involve minifying CSS, JavaScript, and HTML, deferring and async loading for scripts, choosing the right rendering strategy (CSR, SSR, SSG), implementing lazy loading, and tree shaking for removing unused code.
Additional tips include optimizing images with modern formats and lazy loading, creating a faster and smoother user experience.
Regular performance audits using tools like Lighthouse or PageSpeed Insights are recommended to ensure ongoing optimization and improvements.
Starting with basic optimizations like compression, CDN usage, and lazy loading, and gradually incorporating advanced techniques can greatly impact website speed.
Performance optimization is dynamic; keeping abreast of new tools and methodologies is essential for maintaining a fast website.
The article emphasizes the importance of a seamless user experience through speed enhancements and efficient resource utilization.
Optimizing images, utilizing modern formats, and scaling images appropriately are highlighted as effective strategies for reducing loading times.
In summary, the article provides actionable steps for improving website performance, ensuring a fast-loading, engaging user experience.

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Medium

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Deploying LLM APIs Offline on Your Local Machine

This article provides a guide on setting up a local LLM service without the need for internet or a subscription, allowing for experimentation with application development.
It is a continuation of a previous article that detailed running LLM locally on the console and Web UI.
The current article focuses on using the locally served LLM API and integrating it into application development, with Python examples provided.
The previous article explains the process of downloading the Serving Engine, Ollama, and running it on LLM models like Meta’s LLaMa 3.

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Dev

367

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SQL Made Easy: A Tutorial for Beginners

SQL, or Structured Query Language, is essential for interacting with databases and is approachable for beginners.
SQL enables tasks like finding specific information, adding new entries, updating records, and removing old ones in relational databases.
Learning SQL is valuable across various industries like web development, data analysis, business intelligence, and marketing.
In SQL, you use commands or queries to communicate with a database, akin to talking to a digital filing cabinet with tables, columns, and rows.
The SELECT command is fundamental in SQL for retrieving data from tables, specifying columns to view, and using WHERE clause to filter data based on conditions.
SQL operations, such as INSERT INTO, UPDATE, and DELETE FROM, form the CRUD operations for interacting with data.
Practice is crucial in mastering SQL syntax and combining commands and clauses effectively to manipulate data.
Developing SQL skills can lead to roles in data analysis, backend web development, marketing data management, and more.
SQL is a foundational skill that enhances career paths involving technology and data, making it a worthwhile skill to acquire.
By focusing on core concepts like SELECT, FROM, and WHERE, practicing regularly, and using beginner-friendly resources, learning SQL can be made easy.

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Dev

149

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The Key Role of Rotating Proxy Networks in Big Data Scraping and Analysis

Rotating proxies are essential for big data scraping and analysis, allowing users to change IP addresses for each request or after a set period.
They provide anonymity by masking identity, help bypass rate limits, access geo-restricted content, and improve the success rates of data collection.
Choosing the right rotating proxy service involves considering factors like IP pool size, geographical coverage, speed, reliability, and protocol support.
IP2World is recommended for its extensive range of residential IPs and services designed to enhance big data scraping efforts.

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Dev

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TimeCraft: Simplifying Time Series Analysis and Automation

TimeCraft is a Python tool launched to simplify time series analysis, database connections, and task automation in a single package.
Main features of TimeCraft include robust time series analysis, efficient database integration, and automation with notifications via webhooks.
Usage examples of TimeCraft include scheduling model executions and sending notifications via webhooks for workflow monitoring.
TimeCraft offers possibilities like integration with dashboards, cloud data source support, machine learning pipeline development, advanced notifications, and event-based automation.

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Medium

448

Using Technology to Fight Malaria: My Experience Pitching a Real-Time Surveillance Solution for…

Using real-time GIS platforms and data dashboards, a solution was proposed to address delayed reporting and invisible hotspots of malaria cases in Uganda.
The proposed solution includes a mobile GIS reporting platform paired with an admin dashboard to capture patient data with GPS coordinates, update interactive maps and heatmaps, identify outbreak clusters in real time, and provide decision-makers with live analytics and trends.
Pitching the idea involved emphasizing the storytelling aspect to make people care, highlighting the impact of the solution on real lives, and the importance of connecting technical solutions with human stories.
The experience emphasized that tech solutions need human stories, pitching builds confidence, and using technology for social impact can address real-world problems effectively.

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Medium

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“How a Middle-Class Boy Taught Himself to Make Games”

Growing up in a middle-class Indian household with modest means, the dream of making video games seemed unattainable amidst societal expectations of traditional career paths.
Despite facing disapproval and lack of support for his passion for game development, the boy pursued his love for storytelling and animation, fueled by a deep desire to create immersive worlds.
With no formal training or guidance, he spent hours in cyber cafes studying games, driven by his inner calling to learn the craft of game development from scratch, fueled by determination and passion.
This is a story of perseverance, self-motivation, and resilience in the face of challenges, showcasing how dedication and a relentless pursuit of his dreams enabled him to overcome obstacles and progress in the world of game development.

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Dev

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How I’m Earning $3,000 at 14 While Learning to Build SaaS Products

Kostiantyn, a 14-year-old fullstack developer, has earned over $3,000 by working on real projects and freelancing.
He is mastering JavaScript/TypeScript and Next.js for frontend and backend development, focusing on building simple SaaS projects.
Kostiantyn decided to put learning Go on hold as it doesn't align with his current goals of earning money faster and building complete products.
His goal is to continue building SaaS products, improve his skills, and eventually explore other backend languages like Go or Rust in the future.

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Dev

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Brain4j: Wait, Java Finally Has a Brain?

Brain4j is an open-source machine learning framework for Java developers, offering neural networks, classic ML algorithms, NLP tools, GPU acceleration, and enterprise-ready features.
Real-world uses of Brain4j include predictive analytics, computer vision, and fraud detection, making it functional for various applications.
Getting started with Brain4j involves adding dependencies, building neural networks, and utilizing its unique features like GPU acceleration.
Pros of Brain4j include no Python bridges, lightweight nature, and open-source availability, while cons include limited community support and potential challenges compared to TensorFlow in the AI field.

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Javacodegeeks

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HATEOAS with gRPC: Is It Possible? (And Should You Do It?)

HATEOAS is a REST constraint guiding clients through application states using hypermedia links, but what happens when moving to gRPC?
gRPC, a high-performance RPC framework, lacks native support for HATEOAS principles and focuses on method calls on a service.
Implementing HATEOAS in gRPC is technically possible but not commonly recommended due to mismatched concepts and complexities.
Two options include embedding link metadata in responses or using action envelopes, but both have drawbacks for gRPC.
The nature of HATEOAS (REST) being hypermedia-driven conflicts with gRPC's method-driven approach, leading to tight coupling.
While there are edge cases where HATEOAS-like features in gRPC might make sense, in most cases, it's not advised to mix the two.
For dynamic workflows or client-orchestrated logic, consider defining workflows explicitly or using an orchestration engine over HATEOAS in gRPC.
gRPC is optimized for performance and strong contracts, while HATEOAS focuses on runtime navigation, making them challenging to combine effectively.
Choose REST + HATEOAS for human-friendly APIs or gRPC for service-to-service communication, avoiding mixing unless necessary and well-understood.
Understanding the mismatch between HATEOAS principles and gRPC strengths is crucial for deciding the appropriate tool for your use case.

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Python Blogs

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6 CRMs to Automate Real Estate Workflows

Managing real estate deals can get overwhelming with clients calling, emails buzzing, leads to chase, and agreements to track, but CRMs can automate these tasks effectively.
Below are six recommended CRMs for real estate workflows, such as Follow Up Boss, HubSpot CRM, Real Geeks, kvCORE, LionDesk, and Zurple, each with unique features and target audiences.
When choosing the right CRM, consider factors like team size, need for lead generation, desired integrations, and budget to make an informed decision that fits your requirements.
CRMs can streamline processes, enhance customer relationships, and help real estate professionals focus on closing deals and assisting clients in finding their dream homes.

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Medium

413

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Mastering Time-Based Filters in Pine Script: Focus Only When It Matters

Markets operate in cycles with high-volume sessions, quiet ranges, and post-news chaos, so timing is crucial for trading.
Time filters in Pine Script act as a 'conscious switch' allowing indicators or entries to trigger only when the market demands attention.
Building a flexible time filter in Pine Script helps improve signal quality by ensuring logic only runs during specific market hours.
By using time filters, traders can avoid triggering alerts, entries, or plots during low-activity periods and focus on more opportune times for trading.

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Medium

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No-Code Website Builders and SEO: The Facts

No-code platforms like React make building visually impressive websites easy, but can pose SEO challenges if not configured properly.
Many no-code builders using React rely on client-side rendering, which can lead to poor indexing by search engines like Google.
Google prioritizes static content over complex client-side apps, potentially causing lower search rankings for sites built with client-side rendering.
To address SEO pitfalls, implement server-side rendering, optimize metadata, and ensure fast, mobile-friendly performance for better site visibility and SEO rankings.

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