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Python GUI full course — Learn GUI development in 15 mins

Learning GUI development in Python allows applications to come to life with windows, buttons, inputs, and interactions.
Tkinter is recommended for beginners in Python GUI development, and this guide focuses on using Tkinter for GUI development.
Widgets are essential elements in GUI development, including buttons, labels, text inputs, checkboxes, dropdowns, and sliders.
Layouts in Python GUI are managed using geometry managers like pack(), grid(), and place() for organizing widgets.
The root widget in Tkinter serves as the main window for holding GUI elements and the mainloop() function keeps the app running.
mainloop() is crucial for Tkinter applications' interactivity by listening for user actions and keeping the window open.
Getting started with Tkinter involves creating a root window and adding widgets between the root and mainloop() for visibility.
Pack layout manager in Tkinter arranges widgets relative to each other, and grid layout manager offers precise control over widget placement.
PyUiBuilder simplifies the process of utilizing pack and grid layouts, making GUI development easier with drag-and-drop functionalities.
Joining a Discord server for assistance in tkinter or Python GUI development is recommended for further help and guidance.

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I Gave My Startup to GPT-4.5 — And It Did Better Than Me

The author handed over his entire startup to GPT-4.5, including his roles as CEO, PM, tech lead, and social media intern.
The startup was a SaaS business specializing in log aggregation for developers with around 230 users and a monthly recurring revenue of approximately $2,800.
The author automated several tasks using GPT-4.5, such as customer support, roadmap planning, and blog writing, which resulted in improved performance.
By leveraging GPT-4.5, the author was able to significantly reduce manual work and increase efficiency within the startup.

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Dev

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React or Next.js: What to use and When?

Switching from React to Next.js can greatly enhance developer experience with features like monorepo-friendly architecture, file-based routing, and built-in server-side capabilities.
React is preferred for client-heavy applications that are not SEO-dependent and when only frontend development is required without backend integration.
Next.js is recommended for projects requiring better SEO performance, monorepo-friendly setups, and streamlined production-ready features.
Next.js offers advantages like simplified routing setup, built-in performance optimizations (automatic code splitting, image and font optimization), making it a strong choice for various project requirements.

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Dev

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Why is the URL parameter None in FastAPI from Next.js?

When using a Next.js frontend with FastAPI backend, it's crucial to ensure all parameters are sent correctly, including URLs.
Reasons why the URLs parameter might show up as None in FastAPI include incorrect FormData structure and form parameter handling.
To resolve the issue, ensure proper FormData appending and validate the FastAPI endpoint by correctly handling the URLs parameter.
Debugging options include checking FormData structure and parsing the URLs parameter in the FastAPI endpoint for proper data reception.

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Dev

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Mastering Azure Load Balancers: Your Step-by-Step Journey to Efficient Traffic Management

Load balancers in Azure act as orchestrators, distributing network requests among servers to prevent overload and ensure smooth service delivery.
Benefits of load balancers include optimized performance, high availability, and enhanced security against cyber threats like DDoS attacks.
Azure provides various load balancing solutions such as Azure Load Balancer, Application Gateway, Traffic Manager, and Front Door, each suited for specific use cases.
A step-by-step guide for creating a load balancer in Azure involves configuring basic settings, frontend IP, backend pools, inbound rules, and load balancing rules.
Testing the load balancer post-deployment ensures proper functionality in distributing traffic among backend virtual machines.
Azure Load Balancer is crucial for enhancing application speed, ensuring high availability, and boosting security within the Azure environment.
Following the provided guide equips you to deploy and configure a load balancer effectively for traffic management in Azure.
This tutorial serves as a solid foundation for cloud endeavors, offering insights into Azure services and empowering users to efficiently manage traffic flow.
Stay updated for more in-depth guides and insights on Azure services for continuous learning and improvement in your cloud projects.
Embrace the journey of mastering Azure Load Balancers and enjoy successful traffic management in your Azure environment!

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Dev

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Serial API for Low-Level Device Communication

The Serial API, part of the Web Serial API specification, enables JavaScript applications to communicate with serial devices, offering new possibilities for web developers.
Serial communication, rooted in early computing, evolved to protocols like RS-232, USB, and UART, with the Web Serial API revolutionizing direct web-to-device interactions.
The Web Serial API simplifies interactions between web apps and hardware, crucial for robotics, IoT, and prototyping realms.
Core interfaces of the API include Serial, SerialPort, ReadableStream, and WritableStream, facilitating efficient data communication.
Usage of the Serial API involves requesting, opening, communicating data, and closing ports for proper device interaction.
Code examples demonstrate connecting to ports, multi-byte data transmission, and handling edge cases like timeouts for read operations.
Real-world applications range from robotics to industrial automation and prototyping, enhancing control interfaces and data visualization.
Performance considerations like latency, resource management, and batch data processing are crucial for optimal Serial API usage.
Debugging techniques involve logging, state management, testing with simulators, and robust error handling to address asynchronous complexities.
The Serial API offers advantages over alternative approaches like WebSockets or Bluetooth Serial, providing direct, cross-platform hardware accessibility.

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Medium

Title: The Age of AI: Transforming the Present, Shaping the Future [10/05, 13:27] Rajesh Yadav…

AI is transforming various industries such as healthcare, finance, retail, and education by aiding in disease detection, financial decisions, customer personalization, and adaptive learning.
As AI integrates further into society, concerns regarding privacy, job displacement, algorithmic bias, and decision transparency are increasing, emphasizing the importance of building trustworthy and ethical AI systems.
The future of AI holds promise with advancements in natural language processing, autonomous agents, and generative AI, indicating a shift towards collaborative efforts between humans and machines.
AI is meant to enhance human abilities, not replace them. The focus should be on ethical deployment, thoughtful development, and maintaining a human-centered approach in navigating the AI-powered era.

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Medium

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I Migrated My Django App to PostgreSQL — And Here’s Everything I Wish I Knew

The author shares their experience of migrating a Django app to PostgreSQL and provides insights on the process.
The migration to PostgreSQL involved installing PostgreSQL locally, updating settings.py, and migrating the schema.
Challenges arose during the migration of existing data, which required manual import due to issues with pgloader.
PostgreSQL's stricter type handling compared to SQLite led to difficulties with models and improved query performance after adding proper indexes.

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Dev

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Secure by design in Python: A FastAPI app with 5 DevSecOps tools and a real time SSTI vulnerability remediation

Security should not be an afterthought in software development, but a core principle baked into design, code, and CI/CD workflows.
This article demonstrates an intentionally insecure FastAPI app with 5 open-source security tools focusing on vulnerability scanning, static code analysis, API fuzzing, container image scanning, and dynamic app security testing.
The tools discussed include pip-audit for dependency vulnerability scanning, Bandit for static code analysis, Schemathesis for API fuzzing, Trivy for container image vulnerability scanning, and OWASP ZAP for dynamic app security testing.
The article emphasizes the importance of incorporating security practices early in the development process and highlights remediation steps for a real Server-Side Template Injection (SSTI) vulnerability within FastAPI.

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Dev

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How to Ensure Consistent Model Predictions in PyTorch?

Inconsistent model predictions in PyTorch can be attributed to factors like Batch Normalization and Dropout layers, which behave differently when processing inputs individually versus in a batch.
To ensure consistent predictions, it is crucial to set the model to evaluation mode using model.eval(), disable gradient calculation during prediction using torch.no_grad(), and handle model settings consistently.
An enhanced prediction code should incorporate setting the model to evaluation mode, disabling gradient calculation, and verifying consistency between predictions for individual inputs and batch inputs.
Consistent environments, such as hardware and library versions, should be maintained to avoid variations in model predictions. Understanding model behavior and implementing the recommended steps can help achieve reliable predictions in PyTorch.

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SWIFT Tightens Crypto Oversight Amid Russia-China Moves

SWIFT is enhancing its crypto monitoring efforts to combat sanctions evasion by Russia and China.
The global financial messaging network aims to track cryptocurrency transactions related to sanctions evasion and is planning live digital asset transaction tests in 2025.
U.S. Treasury Department is targeting entities using cryptocurrencies to evade sanctions, particularly focusing on Russia, North Korea, and Venezuela.
OFAC has sanctioned entities in Russia, North Korea, and Venezuela for crypto irregularities, emphasizing the need to prevent illicit money movements through digital assets.

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Medium

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#How to G _et a MegaPersonals Account Fast?

BestPvaMarket offers trusted, aged, and bulk MegaPersonals accounts to avoid manual registration hassles.
When buying a MegaPersonals account, prioritize safety and purchase from trusted providers like BestPvaMarket.
KYC-verified accounts are crucial to ensure legitimacy and security when purchasing MegaPersonals accounts.
BestPvaMarket provides pre-aged MegaPersonals accounts for immediate credibility and engagement.

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Dev

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How to Learn CSS: A Beginner’s Tutorial with Practical Tips

CSS, or Cascading Style Sheets, is essential in web development for controlling the appearance and layout of web pages.
Understanding CSS basics involves selectors, properties, and values to style HTML elements effectively.
Practical tips for learning CSS include starting small, using online code editors, understanding the box model, exploring Flexbox and Grid layouts, focusing on responsive design, studying and refactoring real code, and following structured tutorials.
To advance in CSS, explore topics like animations, preprocessors, custom properties, and utility-first frameworks to enhance front-end development skills.

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Dev

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POS Testing Explained: Ensuring Reliability in Retail Transactions

POS testing involves ensuring the readiness of Point of Sale applications for market use, mimicking real-world retail scenarios and testing multiple use cases.
The POS system architecture includes POS terminals, servers, and processing units, each serving a crucial function in retail transactions.
There are two main levels of POS testing: application level and enterprise level, each focusing on different aspects like functionality, compatibility, performance, and compliance.
Testing physical components of POS systems includes terminals, displays, barcode readers, printers, handheld devices, magnetic swipe readers, and cash registers, ensuring seamless operation.
Importance of retail POS testing lies in transaction accuracy, inventory management, data consistency, hardware functionality, data security, compliance, and business reputation.
POS test cases involve interactions with backend systems like Supply Chain Management, Customer Relationship Management, and Inventory Management, testing various functionalities and data sync.
Challenges in POS testing include complex interfaces, different configurations, continuous upgrading, and maintenance of the POS system components.
Trends in POS systems include AI-powered solutions, mobile POS systems, and blockchain integration, requiring testing strategies to adapt to new functionalities and security requirements.
Testing POS systems requires a tailored strategy encompassing both manual and automatic tests to ensure all components work seamlessly, considering unique challenges encountered in retail environments.
Adapting testing approaches to evolving POS innovations is crucial to maintain system reliability and efficiency as retail technology progresses.

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Medium

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How I Boosted My Income Using Voice Cloning Technology

Voice cloning technology is enabling users to create personalized AI voice clones that sound like them, enhancing engagement and opening new income streams.
The innovative app allows users to produce professional-sounding voiceovers for various content without the need for expensive recording studios or hiring voice talent.
Users have seen significant improvements in engagement rates and conversions after using the app, which leverages a patented technology called the 'Vocal Identity Matrix.'
By investing in voice cloning technology, users can provide relatable and engaging content, leading to better connection with the audience and potential for increased revenue.

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