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Dev

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How I Hacked Together a Fully Functional Settings Page in Under 20 Minutes

  • Learn how to quickly create a custom settings page using Admiral framework.
  • Add a new menu item, build the page skeleton, register the page.
  • Customize form inputs, add API wrapper, handle backend storage, and routing.
  • Seamlessly save and fetch data, effortlessly create custom pages without complex setup.

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Ubuntu Handbook

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Geany 2.1 Released with New Filetypes & LSP Plugin (Ubuntu PPA)

  • Geany released version 2.1 named 'Yage' after one and a half years of development.
  • New features include geany-themes for easy color scheme changes and support for new filetypes like CIL, Dockerfile, LESS, Dart, and more.
  • The release also introduced an LSP plugin for running multiple language servers and added various improvements like symbols support for different filetypes.
  • Users can install Geany 2.1 on Ubuntu using the unofficial PPA ubuntuhandbook1/geany for versions 22.04, 24.04, 24.10, and 25.04.

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Medium

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Internal Working of HashMap

  • HashMap uses an array of buckets where each bucket can hold one or more key-value pairs.
  • When inserting a key, its hashCode() is calculated to find the index in the array.
  • Collisions are resolved by storing keys in a linked list or Red-Black Tree if entries grow beyond 8 (Java 8+).
  • Searching in HashMap involves using the hash to locate the correct bucket and checking entries with .equals().

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Hackaday

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This Week in Security: Anthropic, Coinbase, and Oops Hunting

  • Anthropic MCP Inspector vulnerability CVE-2025-49596 exposed; fixes issued for session token and origin verification.
  • Cymulate Research Labs finds flaws in Filesystem MCP Server; narrow edge case access issue.
  • Applocker bypass discovered using Alternate Data Stream; Coinbase breach by insiders and social engineering.
  • Azure RBAC roles issue; schizophrenic zip file scam; oops moments with Github commit.
  • AI subliminal messaging, reverse phishing attacks, odd Instagram SSL certificate rotation.

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RealPython

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Free-Threaded Python Unleashed and Other Python News for July 2025

  • Python 3.14 beta 3, released in mid-June, officially supports the long-awaited free-threaded or 'no-GIL' variant, marking a significant development in Python's evolution.
  • The beta release also introduced support for multiple interpreters in the standard library, enhancing Python's concurrency capabilities.
  • A coordinated batch of security patches was rolled out across all maintained Python versions, including fixes for tarfile CVE identifiers and an ipaddress memory bug.
  • Python's ecosystem continues to evolve with advancements in data science, web development, and core language features, making Python 3.14 a highly anticipated release.

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Dev

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The main difference between `localStorage` and `sessionStorage`

  • The main difference between localStorage and sessionStorage lies in how long the data is stored and where it's accessible.
  • localStorage persists even after the browser/tab is closed, while sessionStorage's data is cleared when the tab is closed.
  • localStorage is shared across all tabs/windows from the same origin, whereas sessionStorage is specific to the individual tab or window.
  • Both have around a 5MB storage capacity and store only strings, requiring JSON serialization for objects.

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Dev

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Build a Content-Aware Media Cropper Using AI, Cloudinary, and Streamlit

  • Efficiently crop images and videos with AI using Cloudinary and Streamlit tool.
  • Tutorial guides on setting up project, environment variables, creating Streamlit app.
  • Build UI for image and video cropping, generate URLs, and deploy app instructions provided.
  • Utilize Cloudinary's AI capabilities for smart content-aware cropping without manual intervention.
  • Learn to showcase work using Streamlit without frontend experience, enhancing productivity as a developer.

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Logrocket

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A guide to wrapper vs. container classes in CSS

  • Wrapper and container classes in CSS may appear similar but serve distinct purposes.
  • A .wrapper class organizes content, while a .container class sets layout boundaries.
  • Wrappers are used for internal organization, while containers define readable space.
  • Container centers content, limits width, while wrapper manages structure and alignment.

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Dev

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9 Useful Coding Tools Every Developer Should Bookmark 📚🧑‍💻

  • In the fast-changing software development domain, staying current with coding tools is crucial.
  • Explore 9 powerful tools aiding API work, app deployment, coding, and more for developers.
  • Postman offers collaborative API development, while tools like Fly.io assist in app deployment.
  • Static.app hosts static websites, SQLPlayground simplifies database work, and Capture.dev aids bug reporting.
  • Flowchart generates visuals from text, Astuto collects feedback, and Checkmate monitors servers.

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Dev

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Behind the Underscores EP11: Callable Objects: __call__

  • The __call__ method in Python allows objects to behave like functions when implemented, enabling cleaner, modular backend systems.
  • __call__ encapsulates state, enables cleaner dependency injection, and facilitates custom middleware or pipelines in projects.
  • However, __call__ should be used judiciously as it can lead to readability concerns, debugging difficulties, and unnecessary abstractions.
  • Use __call__ when objects need to maintain useful state, fit into callable APIs, or perform a single primary action, such as request logging middleware or authorization checking in backend systems.

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Dev

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Domain Mapping Architecture

  • Transformation in architecture understanding through exploration of Hyperlane framework in Rust-based web development.
  • Hyperlane's design focuses on zero-cost abstractions, compile-time guarantees, and flexible configuration system.
  • The framework leverages Rust's ownership system for memory safety, robust error handling, and performance optimization.
  • Features like context-driven architecture, middleware system, real-time communication, and production considerations enhance development.
  • Advanced capabilities, dynamic routing, error resilience, and memory management contribute to Hyperlane's excellence.

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Dev

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Numenta Platform for Intelligent Computing (NuPIC): A Deep Dive into Hierarchica

  • Numenta Platform for Intelligent Computing (NuPIC) based on Hierarchical Temporal Memory principles.
  • NuPIC emulates neocortical intelligence, excelling in anomaly detection and predictive modeling scenarios.
  • Key features include HTM implementation, SP, TM, anomaly detection, scalability, and Python API.

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Medium

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Getting to know Irys. xyz

  • Irys.xyz is a permanent data storage platform that allows users to store digital content on-chain using the Bundlr protocol and Arweave.
  • Key features of Irys.xyz include permanent data storage, support for multiple blockchains like Ethereum, Solana, Polygon, user-friendly interface, and open-source nature.
  • The Irys ecosystem extends beyond data storage, incorporating the Bundlr Network, SDKs & APIs for developers, active community engagement on platforms like Discord and Telegram, and campaigns with rewards.
  • Galxe, within the Irys ecosystem, serves as a Web3 credential and campaign platform enabling rewards for user participation. Galxe campaigns include tasks like social media engagement and exploring Irys features rewarded with NFTs or XP.

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Medium

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Getting Started with Prometheus Monitoring in Go

  • Prometheus is an open-source monitoring and alert toolkit for collecting and storing metrics.
  • It uses time-series database storing data points with timestamp and 'labels'.
  • PromQL allows querying metrics. Types of metrics include Counter, Gauge, and Histogram.
  • The article provides detailed steps on using Prometheus in Go for monitoring applications.
  • It covers metric types, Prometheus Query Language, and setting up Prometheus with Docker.

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Alvinashcraft

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Dew Drop – July 7, 2025 (#4453)

  • Top articles covering technology, AI, design, development, and database updates in various domains.
  • Topics include Blazor, .NET MAUI, React, AI Repo, WinUI, and GitHub Copilot updates.
  • Insights on Docker Desktop, Visual Studio, C++, PowerShell, and emerging technologies like WebAssembly.

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