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Programming News

Dev

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Substring from a Column of Strings — From SQL to SPL #25

Retrieve the word ‘EN’ and the subsequent string of numbers from the DESCRIPTION field in a database table tbl.
If the string does not contain ‘EN’, return null. The string of numbers may include digits and special characters like '/', '-', '+', '%', or '_'.
In SQL, the task can be completed using CROSS APPLY with XML syntax, but the code is complex and lengthy.
In SPL (Structured Pattern Language), the task can be achieved using string-splitting functions and ordered calculation functions with simple and easy-to-understand code.

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Dev

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Celebrating 20 Years of Arduino: Highlights from Arduino Day Philippines 2025

Arduino Day Philippines 2025 celebrated 20 years of Arduino and open source innovation at STI College Cubao.
Key highlights included talks and workshops on robotics education, IoT applications, and prototyping techniques.
The event featured a hackathon focusing on women's safety and fire prevention, along with futuristic concepts like mixed reality lab Flux.
Speakers discussed a wide range of topics, from custom mechanical keyboards to blockchain-based payment systems for IoT.

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Discover How This AI Tool Can Make You Money

KdpBooks AI is an innovative tool that helps in creating professional-grade eBooks and FlipBooks quickly and effortlessly.
Users can transform mundane PDF files into profit-generating eBooks in under a minute without the need for technical skills or costly freelance help.
The eBook industry is booming, and by using KdpBooks AI, individuals can easily tap into this market to create content and earn money efficiently.
KdpBooks AI offers a simple three-step process for creating eBooks, and many users have reported significant monthly income by utilizing this tool.

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Dev

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Getting started with XState

XState is a state machine that handles state uniquely by existing in only one state at a given moment and transitioning based on specific conditions.
XState is recommended for handling complex conditions that are difficult to manage with simple if-else statements, ensuring transitions follow specified rules.
By creating a state machine with XState, you can define states and transitions clearly, making it easier to implement and maintain complex logic.
Consuming the state machine involves using the interpret function in vanilla JavaScript to transition between states based on predefined rules, ensuring correct state transitions.

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Dev

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Survive and Thrive: The Manual QA Roadmap for the AI Era

Manual QA is evolving in the AI era, with an emphasis on adapting and thriving rather than competing with AI.
Manual QAs can increase profitability by utilizing AI tools for test cases, automation, and exploring career growth paths.
Shift from manual tester to Test Architect or AI-Assisted QA Consultant to increase income.
Career growth paths for manual QA include roles like AI QA Prompt Engineer, Exploratory Testing Specialist, Quality Coach/QA Strategist, and No-Code/Low-Code Automation Lead.

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Dev

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Specifications of Structive: A Framework That Makes State Management a Breeze

Structive is a framework based on single-file Web Components, offering a structure-driven template syntax for efficient state management and UI creation.
The entry point for Structive is an HTML file, utilizing an import map to alias modules and define components.
Register components and configure framework settings within a