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JavaScript Design Patterns Every Developer Should Know

Understanding design patterns is crucial for building scalable, maintainable, and efficient JavaScript applications.
JavaScript design patterns offer proven solutions to common coding problems, leading to cleaner, modular, and reusable code.
Key JavaScript design patterns every developer should know include Singleton, Module, Factory, Observer, Prototype, and Command patterns.
Mastering these design patterns can help developers structure their codebase effectively for both large-scale web applications and personal projects.

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Dev

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AI Is Writing the Code – But Are Juniors Still Learning?

Junior engineers are increasingly relying on AI tools to write code, but this may hinder their learning process and understanding of programming concepts.
Using AI as a crutch to generate code without truly comprehending it can lead to confusion and challenges when debugging or improving code.
Programming is not just about writing code but also understanding systems, debugging, and iterating, skills that can be skipped if relying too heavily on AI for code generation.
While AI can be a valuable tool for optimization and support, it should not replace the process of learning and actively engaging in writing code to fully grasp concepts.

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Hackernoon

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Add Real-time Temperature Monitoring to the Proxmox VE Dashboard

The default Proxmox Virtual Environment (PVE) dashboard lacks detailed system metric information like CPU and SSD temperatures.
To display temperature data on the PVE GUI, users need to install the lm-sensors package and edit specific Perl and JavaScript files.
In the Perl file Nodes.pm (/usr/share/perl5/PVE/API2/Nodes.pm), users need to add a line of code to fetch thermal state data using `sensors` command.
In the JavaScript file pvemanagerlib.js (/usr/share/pve-manager/js), users need to make changes to display the CPU thermal state with core temperatures and SSD device information.

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Dev

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The Ultimate Guide to HTML: Everything You Need to Know

HTML is a markup language used to create and structure web pages.
Basic structure of an HTML document includes elements like , , , and .
Common HTML tags include headings, paragraphs, lists, tables, and forms.
Attributes, semantic HTML, HTML5 new features, and the importance of learning HTML, CSS, and JavaScript are also discussed in the guide.

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Dev

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Building Git Elegance: Gitflow Workflow in Action

Gitflow methodology offers a structured yet flexible branching strategy for managing features, hotfixes, and release versions in software development.
Gitflow organizes work into different branches like master, develop, feature, release, and hotfix, ensuring clean merges, version tagging, and organized development.
The real-world implementation of Gitflow involves steps like setting up the repository, creating new features, finishing features, creating releases, and handling hotfixes efficiently.
Best practices for using Gitflow include never committing directly to master, using feature branches for scoped changes, merging releases and hotfixes into develop, utilizing tags for release tracking, keeping commits atomic, and automating merges with CI/CD.

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Dev

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What Is the Best Web Framework for Go?

The article discusses the top Go web frameworks, comparing features, performance, community support, and ideal use cases of Gin, Echo, Beego, Fiber, and others.
Key factors to consider when choosing a Go framework include project type, performance needs, development speed vs. flexibility, community support, and learning curve.
Gin is praised for its speed, simplicity, middleware support, and documentation, making it ideal for high-performance REST APIs and microservices.
Echo is highlighted for its clean, extensible codebase and centralized error handling, suitable for building scalable APIs and emphasizing structure and clarity.
Beego, inspired by Django and Rails, offers an all-in-one MVC framework with built-in ORM and CLI ideal for enterprise applications and full-stack development.
Fiber stands out for its lightning-fast performance, Express.js inspiration, and low memory footprint, making it great for real-time services and high-throughput microservices.
Honorable mentions include net/http ServeMux, Gorilla Mux, Revel, Go Kit, and Buffalo, each catering to specific needs in terms of minimalism, robust routing, rapid prototyping, and microservice architecture.
The article provides a feature breakdown overview and a guide on choosing the best framework based on performance, features, community, onboarding, and use cases.
Gin is recommended as the best all-rounder, Echo for its elegance, Fiber for speed and Express-like features, Beego for enterprise readiness, and ServeMux for simplicity and zero dependencies.
Ultimately, the best framework depends on the specific needs of the project, and developers are encouraged to choose based on their requirements and familiarity with the framework.
GitHub stars are used as a ranking metric, with detailed information on each framework's performance, features, community support, and suitability for different types of projects.

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Dev

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How to Fix Babel Errors in Expo SDK 52 Upgrade?

Upgrading to Expo SDK 52 may lead to Babel errors, such as '.plugins is not a valid Plugin property', due to outdated configurations.
Issues with the babel.config.js file, including syntax errors or outdated Babel versions, are common culprits.
Steps to fix the problem include checking and updating babel.config.js, verifying Babel dependencies, clearing caches, and checking for duplicate packages.
Inspect other configuration files like postcss.config.js and metro.config.js, review Expo SDK 52 documentation, and seek help from the Expo community if needed.

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Dev

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🚀 Angular 20: What’s Coming and Why the Release Cycle Matters

Angular 20 is set to release on May 29, 2025, bringing exciting new features aimed at enhancing performance and developer experience.
Key features in Angular 20 include Zoneless Change Detection, Signal-Based Forms, Selectorless Components, and Enhanced Testing Facilities.
Incremental Hydration, Reactive API Improvements, Accessibility Primitives, and Tagged Template Literals are also part of the Angular 20 update.
Angular 20 introduces Two-Way Binding for Dynamic Components and AI-Assisted Development Tools to boost productivity and simplify coding.
The release cycle of Angular ensures stability, with major releases every 6 months, minor releases, patch releases, and pre-releases for early previews.
Angular's evolution since Angular 4 has been consistent, maintaining a steady flow of innovation while ensuring stability for long-term projects.
Angular 20's commitment to a transparent release cycle offers developers predictability and access to stable, production-ready updates.
The official release date for Angular 20 is May 29, 2025, with a developer event scheduled to showcase new features and insights into Angular development.
Angular 20 aims to streamline development, boost performance, and align with modern web standards, making it essential for developers to upgrade.
Developers are encouraged to refer to the Angular update guide and engage with the community to stay abreast of the latest developments in web development.

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Medium

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I Hacked the JVM with Custom Flags and Tripled My Spring Boot App’s Performance

The JVM is often considered a black box in modern enterprise software, hindering performance optimization for Spring Boot apps.
By exploring JVM flags, a developer achieved a 300% performance boost in a Spring Boot microservice without altering business logic.
This performance upgrade was a result of utilizing specific JVM startup flags to enhance latency, throughput, and memory usage in a cloud-native environment.
The focus is on practical application rather than theoretical benchmarks, empowering developers to optimize Java services and manage garbage collection efficiently.

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Towards Data Science

Get Started with Rust: Installation and Your First CLI Tool – A Beginner’s Guide

Rust is a popular programming language known for its security and high performance, combining features of C, C++, and simplicity of modern languages like Python.
Installation of Rust is made easy through the official installer rustup, available for free on the Rust website.
For Windows installation, downloading rustup-init.exe and running it through command line completes the process.
On Linux, Rust can be installed through the terminal using a specific command.
For macOS, installation via Homebrew or a script is possible.
Using cargo, the official package manager and build system of Rust, a new project can be initiated with ease.
Cargo assists in project management by handling dependencies, compilation, tests, and builds.
Dependencies like serde and serde_json facilitate working with data formats like JSON.
By following set-up steps and writing Rust code, a simple CLI tool to parse and display JSON content can be created.
The process includes creating a project, defining dependencies, writing code for JSON parsing, and testing the CLI tool.

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Medium

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How to Code Effectively in 2025

Tools like GitHub Copilot, ChatGPT, Tabnine, and Cody can generate functions from plain-language prompts, suggest bug fixes or improvements, and help write test cases or refactor messy code with specific prompts.
When coding effectively in 2025, prioritize clear, meaningful names for variables and functions, small single-purpose functions, and minimal but useful comments for readability.
Save time and reduce errors by setting up auto-formatting and linting tools, basic CI/CD pipelines, and development containers or Docker environments for consistent setup.
Productive coding in 2025 involves smart planning, efficient tool utilization, energy management, and continuous improvement rather than just focusing on typing speed.

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Dev

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Efficient Cookie Management with the Cookie Store API

The Cookie Store API offers a more efficient way to manage cookies in web applications compared to the traditional document.cookie method.
The API provides a promise-based interface that is asynchronous and avoids blocking the main thread, making it suitable for modern web development.
It allows for cleaner and more intuitive methods for handling cookies, built-in event handling for cookie changes, and efficient operations for managing multiple cookies.
An example of using the Cookie Store API is demonstrated through building a theme switcher that stores user preferences in a cookie for future visits.
The API utilizes async/await pattern, supports cookie change detection, and simplifies reading and writing cookies.
Browser support for the Cookie Store API is currently limited, with Chrome and Edge offering support while Firefox and Safari are working on implementation.
For browsers without native support, implementing a fallback mechanism using traditional cookie methods like document.cookie is recommended.
The Cookie Manager class example demonstrates how to handle cookies using modern API if available or falling back to traditional methods.
In conclusion, the Cookie Store API enhances cookie management in web development with its promise-based interface and features, making it a valuable tool for building modern web applications.
Future readiness involves implementing appropriate fallback mechanisms for browsers lacking support for the Cookie Store API.

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Johndcook

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Alternative exp and log notation

An article suggested using a↑b for ab and a↓b for loga(b) as a pedagogical approach drawn from Knuth’s up arrow and down arrow notation.
Advantages of this alternative notation include symmetry between exponents and logs, making the base of the logarithm more prominent, and a typographically linear representation.
The up and down arrow notation keeps expressions within a line, in contrast to conventional notation which extends above and below the line.
The article presents basic properties of logs and exponents using both conventional and up/down arrow notations.

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PlanetPython

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PyCoder��s Weekly: Issue #681: Loguru, GeoDjango, flexicache, and More (May 13, 2025)

Learn how to use Loguru for simpler Python logging, reducing time spent on configuration and improving debugging efficiency.
Explore creating web maps with GeoDjango, Pillow, and GPS in the Python-based Django framework.
Understand Python error handling from try/except to production monitoring with real-world advice provided by Sentry.
Discover flexicache, a cache decorator in the fastcore library, allowing finer control over caching.
Find out about the latest PSF Fellow Members for Q1 2025 and updates on Python Enhancement Proposals.
Get insights into the release of Python 3.14.0 Beta 1 and recent Django security releases.
Explore Python projects involving AI, knowledge graphs, workflows, and more, along with tutorials on sets in Python and software engineering.
Learn about subprocess module usage in Python and making PyPI's test suite faster, among other useful Python libraries and developer trends in 2025.
Discover upcoming events like PyCon US 2025, PyData Bristol Meetup, Flask Con 2025, and more.
Stay informed with the latest Python developments and events through PyCoder’s Weekly Issue #681.

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Medium

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Advanced Data Analysis: Elevating Your Skills with Modern Techniques

Using advanced data analysis techniques like crPlots, influence.measures, splines, gam, glm, lmer, rlm, bootstrapping, mice, selection, and cross-validation can lead to unbiased and reliable results.
Ignoring influential points or nonlinearity can result in biased estimates and overconfidence in results.
Assuming linearity can obscure true effects, leading to incorrect policy or business decisions.
Using OLS on counts or proportions violates distributional assumptions, producing nonsensical predictions.

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