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Martin Fitzpatrick: [Early Access] 6th Edition - Create GUI Applications with Python & Qt, Released �� PyQt6 & PySide6 Books updated for 2025 with model view controller architecture, new Python/Qt features and more examples

The 6th edition of 'Create GUI Applications with Python & Qt' book is now available for PyQt6 & PySide6.
The update includes the latest changes in PyQt6 & PySide6, and utilizes new features in Python.
The book's chapters have been extended with more examples of form layouts, built-in dialogs, and the Model View Controller (MVC) architecture.
You can purchase the latest editions for PyQt6 and PySide6.
Previous buyers can access these updates for free by entering the email used for the purchase on the account downloads page.
Buyers who purchased the book elsewhere can register for updates by emailing their receipt to [email protected].
Enjoy the new updates!

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Medium

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Unlocking Opportunities for Freelancers and Businesses

Fiverr is a platform where freelancers offer services starting at $5, providing a marketplace for businesses to find skilled freelancers.
Benefits of using Fiverr include access to diverse talent, cost-effectiveness, and flexibility for freelancers and businesses.
To get started on Fiverr, create a profile, offer services or browse them, and ensure clear communication.
Tips for success on Fiverr include developing a strong profile, creating high-quality gigs, effective communication, and building a portfolio.
For businesses, Fiverr offers the opportunity to find talent, save time, and increase productivity.
Freelancers can build their portfolio, find work, and develop skills on Fiverr.
Fiverr is a valuable platform for both freelancers and businesses in terms of opportunities and cost-effectiveness.

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Dev

371

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Vibe Coding: The New Way People Are Writing Code

Vibe coding is the latest trend in tech where developers use AI to write code based on natural language instructions.
Instead of writing every line of code, developers explain their ideas to the AI, which then handles most of the coding work.
Major tech companies like Google and GitLab are adopting vibe coding tools to enhance productivity and speed up development.
The popularity of vibe coding is on the rise, with more job listings seeking skills in AI-powered coding.
Benefits of vibe coding include easier entry for beginners, faster experimentation, and a more enjoyable development process.
However, there are concerns about AI errors, potential loss of coding proficiency, and limitations for complex projects.
A real-life example demonstrates how AI can generate code for a simple web page based on a user prompt.
To excel in vibe coding, it's crucial to provide clear instructions to AI, work on small projects with AI tools, and maintain a strong foundation in coding basics.
Vibe coding represents a significant shift in software development, making coding more accessible and efficient with AI assistance.
The future of software development is embracing vibe coding as it streamlines the coding process and makes it more engaging for developers.
Individuals are encouraged to explore vibe coding tools and techniques to stay relevant in the evolving tech landscape.

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Global Fintech Series

362

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Pagos Launches First MCP Server to Bring Payments Intelligence to AI Agents

Pagos launches its first Model Context Protocol (MCP) Server, aimed at facilitating AI agents and applications to access payments intelligence.
The MCP Server enables large language models and AI tools to query real-time BIN-level card data directly from card networks.
Merchants can integrate BIN data into their workflows to manage card-based payments efficiently, customize routing strategies, fine-tune retry and fraud rules, reduce interchange costs, and prototype AI tools.
By providing up-to-date data to AI agents, Pagos aims to enhance BIN-based automation for payments optimization.
Developers can access the Pagos MCP Server on GitHub, sign up for API access, and deploy the server locally or in their preferred environment.
Pagos plans to expand its MCP offerings, seeking feedback from developers, merchants, and AI builders.

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Dev

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🍩 National Donut Day – Sweet & Smart

A landing page celebrating National Donut Day was created for the June Celebrations frontend challenge.
The page includes interactive features like a donut fact generator, step-by-step recipes, a donut shop finder, a donut history timeline, and social sharing for photos.
The design focuses on blending fun visuals with usability, featuring CSS animations, interactive recipe cards, local storage, responsive layouts, and micro-interactions.
The project aimed to create a delightful user experience with charming animated elements and clear instructional content.
Future plans involve adding user-submitted creations and integrating real donut shop APIs.

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Medium

259

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Advanced Git Techniques for Large Teams: Rebasing, Cherry-Picking, and Interactive Rebase

Joining a startup with 8 developers meant a simple Git workflow of branch creation, changes, and merging to main.
Two years later, with 60 developers across 8 teams in a monorepo, the Git workflow turned chaotic with merge conflicts and broken builds.
Many developers, including the author, were only using 10% of Git's capabilities, leading to inefficiencies.
Discovering Git's advanced techniques resolved workflow issues and transformed the engineering organization's collaboration.
Learning advanced Git tools is essential for better efficiency and collaboration in large teams.

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Dev

178

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How to Add Images to Existing PDF Documents

Adding images to PDF documents can enhance visual appeal and information value.
Common reasons for image additions to PDFs include branding, visual information, authentication, and communication.
Understanding image formats like JPEG, PNG, TIFF, and SVG is crucial for optimal outcomes.
Image resolution considerations vary based on the document's purpose.
Different methods for adding images include online tools like RevisePDF, Adobe Acrobat Pro, and free PDF editors.
Advanced techniques like image positioning, alignment, manipulation, effects, and properties can refine PDF visuals.
Specific scenarios like adding logos, signatures, technical images, and batch processing require tailored approaches.
Best practices involve proper image preparation, placement planning, and post-insertion review for optimal results.
Troubleshooting common image insertion issues like quality problems, positioning discrepancies, file size concerns, and printing discrepancies is essential.
Select image insertion tools based on the complexity of your needs, ranging from RevisePDF for accessibility to Adobe Acrobat Pro for advanced manipulation.

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Dev

266

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When to Use Arc and Mutex in Rust

Rust provides tools like Arc and Mutex for safe and efficient concurrency, allowing shared data between threads.
Arc enables shared ownership across threads by maintaining a reference count.
Mutex ensures exclusive access for mutation, protecting data from simultaneous writes.
Using Arc and Mutex together is crucial when needing shared ownership and thread-safe mutation.
A multithreaded counter example demonstrates the combined usage of Arc and Mutex for safe data sharing.
Common pitfalls like deadlocks, performance bottlenecks, and handling poisoned locks are addressed.
Key takeaways include utilizing Arc for shared ownership, Mutex for thread-safe mutation, and combining them for shared mutable data.
Further learning steps involve exploring other concurrency primitives, async programming, and experimenting with examples.
Arc and Mutex in Rust are essential for concurrent programming to ensure safety and performance.
Understanding their strengths and limitations enhances proficiency in Rust development.
Building multithreaded programs using Arc and Mutex is a great way to practice safe concurrency in Rust.

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Dev

423

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Introduction to Cryptography: Basic Blocks

Cryptography plays a vital role in security protocols like TLS, SSH, and VPNs for encrypting communication.
The article discusses the author's realization of lacking deep understanding of cryptography despite prior experience.
The series aims to delve into the fundamentals of cryptography starting with symmetric encryption and probability.
Symmetric encryption ensures message security through shared secret keys for encryption and decryption.
Historical ciphers like Caesar, Substitution, and Vigenère were broken due to lack of true randomness.
Probability distributions and events are crucial in assessing cryptographic risks and security.
Random variables and independence help quantify cryptographic security and prevent predictability.
XOR is highlighted as a key operation in symmetric encryption due to its reversibility and simplicity.
Using XOR ensures no information loss in encryption compared to OR and AND operations.
The article emphasizes the importance of understanding these building blocks for establishing secure cryptographic systems.
The article is eligible for web story generation.

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Logrocket

405

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Get Vercel-level deployment without Vercel-level prices

Vercel is a great platform for deploying Next.js apps but can be costly as the app scales up.
This tutorial explores deploying a Next.js app to Cloudflare Workers for Vercel-level performance at lower costs.
Cloudflare account is needed to follow along in this tutorial.
The tutorial covers creating an API route to fetch products and displaying them on the homepage.
An OpenNext adapter is used to set up the Next.js project on Cloudflare Workers.
GitHub integration for CI/CD and image optimization with Cloudflare Images are also included.
Comparison between Cloudflare and Vercel is provided in terms of developer experience, performance, pricing, and more.
Next.js component is utilized for image optimization and a custom loader for Cloudflare Images.
The tutorial concludes by discussing factors to consider when choosing between Vercel and Cloudflare.
The article details the process step by step and provides insights for cost-efficient deployment options.

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Dev

331

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Hacking Layout Before CSS Even Existed

Before the existence of CSS, web layouts were created using tables for precise alignment and branding visuals.
HTML in its early days lacked support for layout, leading developers to hack layouts using deeply nested tables.
Developers sought structure and brand consistency, often resorting to creative solutions like table-based layouts.
Tables provided control over rows, columns, and cell dimensions, although the approach was not elegant.
The use of spacer GIFs and nested tables was a common practice to achieve layout effects in the absence of CSS.
Despite its shortcomings, table-based layouts offered predictability in rendering across various browsers.
The advent of CSS with features like position: absolute and float gradually replaced table layouts by the mid-2000s.
Modern CSS properties like display: grid and display: flex have revolutionized web layout, offering cleaner and more efficient solutions.
Lessons from the table layout era, such as cross-browser consistency and working creatively within constraints, remain relevant in web development.
Table-based layouts were a temporary workaround reflecting the adaptive nature of web development, paving the way for modern layout tools.
Adapting and building better experiences with available tools is a fundamental aspect of web development that continues to evolve.

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19 Likes

Medium

2.8k

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Data Science with Gen AI Course in Hyderabad | Online Training

Gen AI is reshaping the data science landscape by combining data analytics with generative AI models like GPT and DALL·E.
Traditionally, data science focused on insights through data processing, while Gen AI adds content creation and synthesis capabilities.
The integration has led to Data Science with Generative AI courses that incorporate advanced AI techniques for data analytics.
Generative AI enhances data science by creating synthetic text, images, code, and audio for innovative solutions.
Formal training in Data Science with Generative AI is crucial for practical application, including understanding ethical implications and bias mitigation strategies.
Organizations are upskilling teams and integrating Gen AI tools for enhanced analytics and decision-making processes.
Real-world applications include automated content generation, coding assistance, and image synthesis.
Professionals with hybrid skills in data science and AI are at the forefront of innovation and can benefit from specialized training programs.
Online platforms offer flexible and high-quality education for individuals at various career stages in data science and AI.
Gen AI expands possibilities in data science, from automation and prediction to creation and innovation for shaping intelligent systems.

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Dev

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How to Build a React PDF Viewer for Next.js in Minutes

The article explains how to easily add a React PDF viewer to Next.js apps using the React PDF library.
React PDF offers a React-first approach, is customizable, responsive, high performance, and well-documented.
The tutorial guides through setting up a Next.js project on StackBlitz and integrating React PDF.
Steps include installing the @pdf-viewer/react package, setting up the viewer, and creating a reusable PDF viewer component.
Customizing the PDF viewer to match branding and replacing toolbar icons are covered.
React PDF is recommended for simple PDF reading, document workflows, AI-powered tools, and business apps.
The library handles PDF rendering efficiently, allowing developers to focus on building great features.
The article provides a thorough guide for implementing React PDF in a Next.js project.
It also mentions a React PDF Starter Toolkit for faster setup with ready-to-use templates for React and Next.js.
Overall, React PDF simplifies the process of integrating a PDF viewer and enhancing the PDF viewing experience in projects.

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Medium

227

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If You Can’t Explain These Python Concepts, You’re Not a Real Developer.

Focus on problem-solving and sharpening basics when prepping for DSA interviews or LeetCode.
Advanced Python involves mindset upgrade rather than a checklist completion.
Companies utilize advanced Python concepts such as generators, decorators, magic methods, and metaclasses.
Decorators add custom behavior without altering core function logic, akin to upgrading a basic pizza.
Generators yield values one at a time, enhancing memory efficiency and performance.
Magic methods (dunder methods) like __init__, __str__, etc., are automated hooks in Python for specific events.
Metaclasses control how classes are created, with popular frameworks like Django leveraging metaclasses for ease.
Metaclasses provide power but necessitate caution to avoid complexity; simpler alternatives like decorators are advisable.
Master advanced Python tools after solidifying basics through practice, project building, and error handling.
Continuous learning is essential in Python programming due to the abundance of concepts waiting to be explored.

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Medium

288

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Diary of a Django learner #5 Debugging and dealing with errors

Errors in code can result in unexpected outcomes or raise exceptions.
Exceptions are runtime events that occur when errors or unexpected conditions happen.
Python has built-in exceptions and allows user-defined exceptions.
Django has its own exceptions that will be covered in this learning journey.
Setting DEBUG = True in Django project captures exceptions to aid in debugging.
In production, DEBUG should be set to False to avoid exposing sensitive information.
Custom error pages can be displayed in Django as well.
Creating intentional errors can help in understanding exception handling.
Using the debugger tool allows for line-by-line code inspection to identify errors.
Setting breakpoints in the debugger helps in validating variable values.
Debugging tools in IDEs can assist in the debugging process.
Errors can be located and understood through exception types and traceback.
Changing an intentional error back to correct code eliminates the error message.
Debugging helps in isolating faults and resolving issues faster.
Debugger allows for thorough variable inspection to identify problems.
Debugger can aid in narrowing down faults to specific lines of code.
Traceback in exceptions shows the line causing the issue.

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