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How to Build a Face Mask Detection System: A Practical Guide for Beginners

Face mask detection has become an essential tool in ensuring public safety during the COVID-19 pandemic.
In this guide, you will learn how to build a face mask detection system using Python, OpenCV, and a pre-trained deep learning model.
The process involves loading and preprocessing the dataset, training the model, and performing real-time detection using OpenCV.
Building a face mask detection system is a great way to learn about computer vision and deep learning.

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Medium

302

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Dogecoin may surge 85% as whales hoard DOGE, suggests fractal pattern

Dogecoin may surge 85% as whales hoard DOGE, suggests fractal pattern
Dogecoin has been repeating its bullish 2021 fractal.
Elon Musk's influence on Dogecoin's movements is significant.
The potential rally of Dogecoin is exciting but unpredictable.

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Dev

378

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Unveiling the Magic of CSS Pseudo-Classes in Frontend Development

CSS pseudo-classes are selectors that target specific states or positions of HTML elements.
Commonly used pseudo-classes include :hover for adding interactivity and :active for click feedback.
Advanced pseudo-classes like :nth-child() and :not() are useful for selecting specific children and excluding elements, respectively.
Overall, CSS pseudo-classes enhance user experience by allowing frontend developers to add interactivity and dynamic styling to web applications.

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Medium

112

South Korea’s president reportedly defies summons in martial law inquiry

President Yoon of South Korea declared martial law on December 3, claiming that the opposing Democratic Party was engaging in anti-state activities that obstructed governance.
However, martial law was reversed within six hours, drawing severe resistance from lawmakers and the judiciary and resulting in a criminal probe against Yoon and top government officials.
Lawmakers in South Korea voted to impeach Yoon on December 14, and the Constitutional Court will have up to 180 days to decide whether to restore him to power or remove him.
Yoon was issued a summons to appear for questioning on December 15, but he failed to comply, and prosecutors may take further legal actions.
Opposition leader Lee Jae-myung proposed a special council to foster cooperation between the government and parliament to stabilize the country and restore public trust.
Acting President Han Duck-soo initiated responses to resolve the crisis, including strengthening the military's defensive position against North Korea and easing the economy's impact.
Public opinion in South Korea is starkly divided, with Yoon's supporters believing that his martial law declaration was justified and critics viewing it as an unprecedented overreach of presidential power and an attack on democracy.
The outcome of this crisis will not only have far-reaching implications for South Korea's domestic politics but also for its position internationally.
As the nation stumbles through this difficult time, the resilience of the democratic processes will be closely watched and monitored by both allies and adversaries.

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Dev

266

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Can React v19 replace React Query(Tanstack)?

React 19 introduces new hooks and features for data handling, performance improvement, and better developer experience.
React 19 hooks like useActionState, useFormStatus, and useOptimistic simplify common patterns in React development.
React Query (Tanstack) provides advanced caching, automatic background synchronization, query invalidations, and error handling for complex scenarios.
For simpler use cases, React v19 hooks can be used, while Tanstack Query is recommended for larger applications with complex data tasks.

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Medium

302

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Kingfisher Facts: The River Jewel

Kingfishers are small birds adapted to aquatic life, mainly found near rivers and streams.
They have a sharp beak and metallic sheen on their body, with feathers that glow in certain colors under light.
They primarily feed on fish and other aquatic insects and are skilled hunters.
Kingfishers have specialized beaks for diving and catching prey, and they swallow fish whole.

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TechCrunch

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GitHub launches a free version of its Copilot

GitHub announces a free version of its Copilot code completion/AI pair programming tool.
The free version will be integrated with Microsoft's VS Code editor.
Developers on the free plan will have limitations, such as 2,000 code completions per month.
GitHub aims to enable a billion users to become developers worldwide with the free Copilot.

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Medium

356

How AR and Robotics Can Make You ‘Present’ Anywhere : A Vision for the Future of Telepresence

AR and Robotics can redefine telepresence by allowing users to 'be there' virtually.
Humanoid robots with human-like abilities equipped with cameras, microphones, and sensors replicate human senses.
A wearable AR suit with motion sensors and haptic feedback devices enables effortless control of the robot.
Potential applications include remote surgery, exploration in dangerous environments, and disaster response.

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21 Likes

Medium

360

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Medium Stats are Not Updated Yet

Users on Medium are experiencing delays and glitches in the updating of daily stats.
The issue seems to be caused by technical glitches or system maintenance.
The lack of communication from Medium about the issue is frustrating for users.
Writers rely on daily stats to understand their audience and plan their content strategy.

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Medium

239

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Install and Set Up a Symfony Project Step by Step

Setting up a Symfony project is an essential skill for developers.
This guide provides step-by-step instructions for installing and setting up a Symfony project.
The process includes installing Symfony CLI, creating a new project, setting up the local web server, configuring environment variables, installing necessary packages, creating a controller, defining routes, and using debugging tools.
The guide also includes examples and explanations for each step.

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14 Likes

Medium

252

Generating map tiles for the web

There are only a few map tiling service standards defined including WMS, TMS, WMTS, 3D Tiles, and API Tiles.
Deegree3 is an open source implementation of WMS, WMTS, WFS, CSW, and WPS services written in Java.
GeoServer is an open source reference server implementation of OGC WFS, WMS, WMTS, TMS, XYZ, WCS, WPS services, and SLD specification.
GeoNode is a web-based application and platform for developing geospatial information systems and deploying spatial data infrastructures. It implements WMS, WCS, WFS, CSW, and WMTS standards.
MapServer is a C/C++ geographic data rendering engine that supports OGC WMS web mapping and OGC WFS services.
Oskari is a web map framework supporting OGC API standards, implemented in Java servlets and JavaScript using React framework for the front-end.
Majority of service implementations support SLD styling specification, with MapServer using its own styling language via mapfiles, and Oskari which does not support styling of WMS tiles.
The code bases of these software implementations span up to a few hundred thousand lines with GeoServer having a code base of around 1 million lines of code.
These software implementations are used for spatial data infrastructures and for the geospatial web.
GeoNode was created in 2010 and the latest version is a few weeks old. The latest versions of GeoServer, MapServer and Deegree3 are few days old. While, the latest standard specification, API Tiles, was released in 2022.

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Hackernoon

297

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How to Automatically Publish Your NPM Package Using GitHub Actions

Automating your npm package publishing process with continuous integration and delivery (CI/CD) ensures that each release passes through a quality gate—your test suite—before publication.
Manual npm publishing can be time-consuming and error-prone, particularly as your project grows and gains contributors.
You can control exactly what ends up in the final published package by excluding test files.
Testing ensures you don’t publish broken code.
You want to exclude the node_modules.
While you will run tests during CI, you don’t want the test files included in your published npm package.
With each new release, a comprehensive series of tests run, package.json is updated with the correct version, and a streamlined package is published to npm—free of unnecessary files like tests.
Integrating GitHub Actions into your npm publishing workflow establishes a great CI/CD pipeline.
This approach saves time, reduces human errors, and enhances the reliability of your releases.
A single GitHub release is now all it takes to ship a fully tested, properly versioned package to the npm registry.

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17 Likes

Medium

2.1k

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Top 10 programming languages for securing good jobs

Python continues to lead in web development, data science, AI, machine learning, and automation, thanks to its versatility and ease of learning.
JavaScript/TypeScript remains essential for web development, with TypeScript improving large-scale applications. Java remains crucial for enterprise solutions and Android apps.
C# is key for game development and enterprise apps, while C++ excels in system-level programming and high-performance applications. Go is gaining popularity for cloud-native apps, and Rust is valued for its safety and performance. Kotlin is preferred for Android development, PHP remains vital for web backends, and Ruby, with Ruby on Rails, is favored by startups.

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Prodevelopertutorial

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Data structure tutorial 1: Introduction to Stack Data structure and Implementation using arrays

Data structure tutorial 1: Introduction to Stack Data structure and Implementation using arrays
Stack is a special type of data structure where the elements are entered from one end and are deleted from the same end.
The important functions performed on the Stack data structure are push, pop, overflow, underflow, and display.
The implementation of the Stack Data Structure using arrays involves defining the stack size, checking for fullness, inserting elements using the push function, checking for emptiness, deleting elements using the pop function, and displaying the contents of the stack.

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Prodevelopertutorial

329

Searching Algorithm 6: Ternary Search

Ternary Search is a divide and conquer algorithm that divides an array into three parts.
The steps to perform ternary search are calculating two mid elements, checking if the key element is equal to either mid element, and determining the part of the array in which the key element lies.
An example of ternary search is shown with an array [2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 25] and searching for the element 16.
The implementation of ternary search in C++ is provided, along with its time complexity of O(log3 n).

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