Attendance register - using face detection - complete project and source code

Creating an attendance system using face detection involves several steps, including setting up the environment, capturing and processing images, recognizing faces, and storing attendance records. Here’s a complete project outline and the source code for an attendance system using face detection with Python.

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Python Code to Calculate CPR - Central Pivot Range

The Central Pivot Range (CPR) is a popular technical analysis tool used by traders to identify potential support and resistance levels in financial markets. It consists of three levels: the Pivot Point (PP), the Bottom Central Pivot (BCP), and the Top Central Pivot (TCP). Here's how you can calculate the Central Pivot Range in Python:

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Best Free APIs for Developers in 2025

Best Free APIs for Developers In today's rapidly evolving developer landscape, APIs serve as the building blocks for creating innovative applications. Here's a curated list of the most valuable free APIs that continue to be reliable and powerful tools for developers in 2025.

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Autodesk Inventor VBA Sample: Generating a Drawing

Here's a basic example of using VBA in Autodesk Inventor to generate a drawing from an existing 3D model. This script assumes that you have an existing part or assembly file and want to create a drawing with standard views.

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Integrating a TradingView chart into a Python GUI

Integrating a TradingView chart into a Python GUI application requires embedding the TradingView widget within a GUI framework like Tkinter, PyQt, or Kivy. Since TradingView provides embeddable charts through HTML and JavaScript, you can use a web view in the GUI to load the TradingView widget.

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Access RedBus api to book tickets

The **RedBus API** allows third-party applications to integrate with their platform for bus ticket bookings, seat availability checks, and other related services. However, access to the RedBus API is usually restricted to authorized partners. You'll need to contact RedBus and sign up for their **API Partner Program** to obtain access.

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Creating an AI project with Arduino

Creating an AI project with Arduino involves integrating AI capabilities into Arduino projects. Here's a basic outline of how you can create an AI project using Arduino:

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Arduino with laser for various applications

Arduino can be used in conjunction with a laser for various applications, including laser-based projects, engraving, communication, and sensing. Below are some common use cases of Arduino with lasers:

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Creating an IoT-based Flutter app Firebase AWS IoT MQTT

Creating an IoT-based Flutter app - [Firebase](https://firebase.google.com/): Offers real-time database, authentication, and cloud functions. - [AWS IoT](https://aws.amazon.com/iot/): Amazon Web Services IoT platform. - [MQTT](https://mqtt.org/): Lightweight messaging protocol for small sensors and mobile devices.

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Creating a VR application with OpenGL

Creating a VR application with **OpenGL** is a powerful approach that gives you flexibility and low-level control over the VR environment. To get started, we’ll use **OpenGL** for rendering and **OpenVR** (or **OpenXR**) for VR headset support. This example will focus on OpenVR since it’s compatible with multiple VR headsets (like HTC Vive, Oculus, etc.). OpenXR is another option if you need a more standardized solution, but OpenVR is still widely used for cross-platform VR.

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automating repetitive tasks in Flutter application development

automating repetitive tasks in Flutter application development

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Simple example of how you can use PyWeb3D to create a basic 3D scene:

Below is a simple example of how you can use PyWeb3D to create a basic 3D scene:

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Call a Python function from Excel VBA

You can call a Python function from Excel VBA using the

Shell

function to execute a Python script or by using the

RunPython

method available in newer versions of Excel. Here's how you can do it using both methods:

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Automated trading with aliceblue - python

AliceBlue API in Python - Intraday Trading sample strategy

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SolidWorks VBA Macro for Sheet Metal

Creating a VBA macro in SolidWorks for sheet metal involves automating tasks related to sheet metal parts, such as creating a sheet metal feature, flattening a part, or exporting a flat pattern. Below is a sample VBA macro that demonstrates some basic sheet metal operations in SolidWorks.

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