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Programming News
Medium
2w
429
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Progressive Web Apps (PWAs) — The Future of Web Experiences
- Progressive Web Apps (PWAs) combine the best features of web and mobile apps and provide a smooth, native-like experience.
- PWAs are cost-effective due to a single codebase and don't require separate development for iOS and Android.
- PWAs enhance SEO and organic traffic with their optimized performance.
- PWAs can cache content and allow offline access, making them suitable for e-commerce, media, and productivity applications.
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Hackernoon
2w
268
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Master DolphinScheduler Time Parameter With These Dynamic Configuration Secrets
- DolphinScheduler allows flexible configuration of time parameters for task scheduling needs.
- Time parameters can be defined as global parameters and used throughout workflows or tasks.
- Time window parameters like ${startTime} and ${endTime} are useful for data processing tasks.
- Cron expressions enable precise task scheduling, e.g., running tasks daily or weekly.
- Complement tasks in DolphinScheduler involve specifying time ranges for re-execution.
- Time formatting functions allow for date addition and subtraction in time parameters.
- Built-in time parameters like ${system.biz.date} are available for immediate use in scripts.
- Time-dependent task chains can be configured using time parameters across workflows.
- Functions like add_months() allow for time manipulation, e.g., adding/subtracting months or days.
- Overall, time parameters in DolphinScheduler support various scheduling and data processing needs efficiently.
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Medium
2w
74
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What Are AI Algorithms and How Do They Work?
- AI algorithms are sets of instructions or rules that machines follow to perform specific tasks.
- These algorithms learn and improve over time by identifying patterns in data and applying learned knowledge to new data.
- AI algorithms work through key steps of data collection, training, and inference.
- There are different types of AI algorithms, including supervised, unsupervised, reinforcement learning, deep learning, and NLP algorithms, with various real-world applications.
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Logrocket
2w
238
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Level up your TypeScript with Record types
- The Record type in TypeScript allows defining dictionary-like objects with fixed type for keys and a generic type for values, similar to Python dictionaries.
- Record
- It is commonly used for collections like API responses, configuration objects, or dictionaries, providing type safety by verifying keys and values at compile time.
- Record provides stronger type safety compared to plain objects, especially with union types or literals, ensuring known properties and values match expected types.
- When working with key-value pairs, TypeScript offers options like Record, plain objects, Map, and indexed types, each with distinct characteristics and use cases.
- Record is ideal for static dictionaries with fixed keys, optimized for static data access and compile-time type checking, unlike Map which is better for dynamic collections.
- Indexed types provide flexibility for defining key-value structures with explicit properties, allowing for combinations with dynamic properties in interfaces.
- By using the Record type, dictionaries with a fixed number of keys can be modeled, ensuring TypeScript detects missing or undefined properties at compile time.
- For iteration, methods like forEach, for...in, Object.keys(), and Object.values() are used to effectively access and manipulate data within Record types.
- Record types can be combined with utility types like Pick, Partial, ReadOnly, and other TypeScript features to create complex and type-safe data structures.
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Logrocket
2w
372
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An introduction to the TanStack Start framework
- TanStack Start is a full-stack React framework built on Vite, Nitro, and TanStack Router, offering features like SSR, server functions, and API routes.
- Although still in early development, documentation indicates TanStack Start is safe for production use.
- The framework provides benefits like type safety on both client and server sides, server functions, API routes, and SSR.
- Important features include full-stack type safety, server functions for server-side logic, and API routes for creating backend APIs.
- TanStack Start supports SSR and static prerendering for faster page loads, built on TanStack Router.
- Developed on Vite, TanStack Start offers a rapid development server and hot module replacement.
- Installation involves setting up a project with TypeScript, React, Vite plugins, TanStack Start dependencies, and configuration files.
- The tutorial guides creating a simple developer portfolio styled with Tailwind CSS, showcasing the framework's features.
- Pros of TanStack Start include integration with TanStack Router, SSR support, and diverse functionality, while cons include a learning curve and limited SPA support.
- The framework is praised for SSR capabilities and extensive server-side features but criticized for the learning curve and documentation issues.
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Medium
2w
251
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OncoMRD: OncoDxRx’s multi-spectral integrated gene panel for monitoring residual disease in solid…
- OncoMRD is a multi-spectral integrated gene panel developed by OncoDxRx for monitoring residual disease in solid tumors.
- It employs patient-unique gene signatures to detect, identify, quantify, and track signals from tumors.
- OncoMRD uses overactive genes and biomarkers in major cancer pathways to calculate an OncoMRD score based on gene expression levels.
- The system provides MRD detection and trending functions, along with high-quality tumor activity and aggressiveness information.
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Dev
2w
277
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Exploring Nau Engine codebase: pt.3
- Nau Engine's class implementation errors highlighted in the PVS-Studio analysis, such as self-initialization leading to undefined behavior and uninitialized data members in constructors, showcase potential vulnerabilities.
- Calling virtual functions indirectly in destructors can result in unexpected runtime behavior due to object initialization/destruction states.
- Ensuring the move assignment operator is protected against self-assignment helps prevent unintended consequences and maintains object integrity.
- The warning about possibly incorrect virtual function overriding emphasizes the importance of maintaining consistency in function signatures between base and derived classes.
- Adding functions to reserved namespaces like std may result in undefined behavior; developers should anticipate conflicts if the standard library evolves.
- Strategies like using C++20 features or defining custom classes to work around limitations in the standard library namespace extension can help address compatibility issues.
- Be wary of hidden characters like Zero Width Space in code comments that may alter logic and use automated tools to detect such anomalies to ensure code integrity.
- Addressing small errors and vulnerabilities early on, learning from mistakes, and striving for continuous improvement are crucial for stable software development.
- The trilogy on Nau Engine emphasizes the importance of thorough code analysis, error detection, and continuous quality enhancement for developers.
- Code quality is crucial, and proactive measures like minimizing errors from the start and ongoing refinement are key for successful software development.
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Dev
2w
91
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🌤️ Building a Weather App with React and OpenWeather API
- Have you ever wanted to know the weather of any city in the world—instantly? In this blog post, I’ll walk you through how I built a simple Weather App using React and the OpenWeather API.
- Tech Stack: React (built with Vite for fast setup), Axios for API requests, Tailwind CSS for styling, OpenWeatherMap API for weather data.
- The App allows users to enter a city name, fetches current weather data using OpenWeather API, and shows temperature, humidity, weather condition, and city name.
- The GitHub repository for this project can be found at https://github.com/Sanket-Kumar-Das/live-weather-tracker.
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PlanetPython
2w
273
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Mike Driscoll: Python 101 ��� An Intro to Working with INI files Using configparser
- Python's configparser library allows working with INI files for program configurations.
- Sections in INI files are denoted by square braces and can contain multiple settings.
- Creating an INI file programmatically involves using ConfigParser in Python.
- ConfigParser's allow_no_value parameter enables including sections without values.
- Editing an INI file can be done using methods like set() to change values or add new sections.
- Reading INI files in Python involves using ConfigParser's read() method.
- ConfigParser also provides read_string() for reading multiline strings as configuration.
- Accessing configuration values can be done using dictionary syntax or list comprehensions.
- ConfigParser offers features like interpolation and customization for advanced usage.
- Understanding INI configurations with Python allows flexibility and user control in applications.
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Kitploit
2w
281
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Lobo Guará - Cyber Threat Intelligence Platform
- Lobo Guará is a Cyber Threat Intelligence (CTI) platform for cybersecurity professionals.
- It offers various features including SSL Certificate search, SSL Certificate discovery, tracking link generation, domain scan, web path scan, URL scan, URL monitoring, data leak alerts, threat intelligence feeds, and more.
- The installation of Lobo Guará is approved on Ubuntu 24.04 Server and Red Hat 9.4 distributions.
- It requires dependencies such as PostgreSQL, Python 3.12, ChromeDriver, Google Chrome, FFUF, and Subfinder.
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Medium
2w
394
These 10 Essential Vitamins For Healthy Skin"
- Vitamin A stimulates collagen production, reduces fine lines, and promotes skin cell renewal.
- Vitamin C brightens the complexion, reduces hyperpigmentation, and protects the skin from environmental damage.
- Vitamin E locks in moisture, provides hydration, and soothes dryness and irritation.
- Vitamin D supports skin healing, regeneration, and helps balance the effects of sun exposure.
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Medium
2w
407
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"Vitamins Vitality for Skin Health:Tha top 10 Essential to know
- A diet rich in monounsaturated and polyunsaturated fats from plants and fish helps keep the skin moist, firm, and flexible.
- Amino acids, the building blocks of proteins, play a vital role in the formation of collagen and keratin in the skin.
- Vitamin A is essential for preventing sun damage, promoting healing, and maintaining the oil glands.
- Vitamin C acts as an antioxidant, supports collagen formation, and aids in wound healing.
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Codecondo
2w
394
Image Credit: Codecondo
Why learn to program as a child?
- Children's programming involves them being able to use computer scenarios to create actions with consequences or functions within devices.
- Learning programming from a young age is essential due to the prevalence of technology in daily life and its importance in future careers.
- Programming helps build self-confidence in children as they create games, applications, and more, boosting their skills and problem-solving abilities.
- It gives children a competitive edge for future professions in cybersecurity, data analysis, robotics, and game development.
- Programming enhances logic and computational thinking skills in children by encouraging problem-solving and creative solutions.
- Children who learn programming early on can benefit from a wide range of job opportunities and higher demand in tech-related fields.
- Teamwork is promoted through programming tasks, fostering collaboration and empathy among children working on projects.
- Programming teaches children to break down complex problems into smaller parts and develop systematic approaches to find solutions.
- By engaging in programming, children can unleash their creativity, explore innovative solutions, and bring their ideas to life through technology.
- Programming is not only educational but also enjoyable for children, offering a pathway to becoming future tech professionals in a captivating manner.
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Dev
2w
143
Image Credit: Dev
Image Classification with Convolutional Neural Networks (CNNs)
- Using CNNs to classify handwritten digits from the MNIST dataset, starting with a simple multilayer perceptron before transitioning to CNNs.
- MNIST dataset, a benchmark in computer vision, consists of 70,000 labeled images of handwritten digits 0-9.
- Data normalization involved rescaling pixel values from [0, 255] to [0, 1] for better neural network performance.
- Reshaping images into (28, 28, 1) format for CNN input with grayscale images represented as a single channel.
- Defining a CNN model in PyTorch with convolutional layers, max pooling, fully connected layers, ReLU activations, and dropout.
- Training the CNN model over multiple epochs, observing decreasing loss and increasing accuracy over training data.
- Achieving a test accuracy of 99.04% on the unseen test set after training the CNN model.
- Visualizing test images along with model predictions for digit recognition.
- Plotting the evolution of training loss and accuracy over the training epochs, showcasing model improvement.
- The project demonstrates the effectiveness of CNNs in image classification tasks, with implications for broader computer vision applications.
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Alvinashcraft
2w
52
Dew Drop – April 9, 2025 (#4400)
- Microsoft Copilot in Azure is now generally available, offering AI assistance in coding tasks.
- The Syncfusion Blazor UI Kit aims to simplify development and eliminate UI challenges for developers.
- Test out .NET 10 Previews quickly in Dev Containers and Codespaces.
- Prototyping Web Apps with AI allows for pair programming with a robot companion.
- Azure SDK for Rust moves into beta, providing Rust developers with more tools for Azure development.
- Optimizing JSON Serialization in .NET compares Newtonsoft.Json and System.Text.Json for efficiency.
- The future of Server-Driven Web Apps sees the rise of technologies like htmx and ASP.NET.
- Avalonia Accelerate enhances the power and capabilities of Avalonia apps for developers.
- Neural Network Quantile Regression and Linear Support Vector Regression using C# are explored.
- AI-assisted Infrastructure as Code with Pulumi leverages the Model Context Protocol Server for improved automation.
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