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Dev
17h
217
Image Credit: Dev
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
17h
235
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
17h
51
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
17h
140
Image Credit: Hackaday
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
17h
136
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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
18h
47
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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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2 Likes
Dev
18h
92
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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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5 Likes
Logrocket
18h
280
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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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16 Likes
Dev
19h
61
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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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3 Likes
Dev
19h
66
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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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4 Likes
Dev
19h
236
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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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14 Likes
Dev
19h
363
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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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21 Likes
Medium
19h
181
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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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10 Likes
Medium
19h
266
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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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16 Likes
Alvinashcraft
19h
62
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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