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Master Data Analytics: SQL, Excel, Power BI & AI Guide – Your Ultimate Learning Kit

Data analytics skills are in high demand with average salaries ranging from $70,000 to $120,000+ per year.
Learning SQL, Excel, Power BI, and AI can make you versatile and future-proof your career in various industries.
The all-in-one bundle provides comprehensive training on SQL, Excel, Power BI, and AI tools for data analysis.
Whether you are a beginner, professional, entrepreneur, or student, this guide offers hands-on projects and step-by-step tutorials for learning.

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Dev

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ZewpolOS: a Linux-based secure OS for browsing the web

ZewpolOS is a Linux-based secure OS designed for web browsing with features like Faceone viewing and Zewpol searching.
The code provided in the article showcases the HTML structure and styling for the ZewpolOS Web Edition.
Key elements include a desktop area, taskbar with icons, window styles, start menu, search window, file explorer, and various controls.
The WindowManager class manages window creation, positioning, drag functionality, and control buttons like minimize, maximize, and close.
The ApplicationManager class deals with the creation of specific windows such as Search, Explorer, About, and the Welcome window.
Functionality includes creating search windows with search results, exploring files, displaying information about the OS, and a welcome window.
The OS simulation provides an integrated search and computing environment, with features accessible through the taskbar and start menu.
Users can interact with the OS by clicking the Z button in the taskbar and exploring various included applications.
The article concludes by providing a link to the full working simulation of ZewpolOS for users to experience its features firsthand.

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Medium

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Building Resilient Cybersecurity Tools: How to Handle API Rate Limits

Delays in cybersecurity operations due to API rate limits can lead to catastrophic consequences.
Implementing resilience patterns like intelligent retry logic and persistent caching can help handle API rate limits effectively.
Resilient API handling ensures operational continuity, cost management, data consistency, and faster incident response.
By planning for failure, caching aggressively, retrying intelligently, monitoring everything, and testing resilience, cybersecurity tools can remain operational despite API rate limits.

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Medium

338

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Understanding PowerShell Function Anatomy: A Beginner’s Guide

Special Parameter Types: [switch], [PSCustomObject], [PSCredential], [ScriptBlock] are key types used in PowerShell functions.
Using [switch]: Boolean flag for optional behavior without needing a value, commonly used in functions.
Usage of [PSCustomObject]: Flexible structured object in PowerShell for configuration data storage and structured output.
Conclusion on PowerShell Function Anatomy: Attributes enhance functionality, [ValueFromPipeline] for pipeline support, and efficient processing using '$_' variable.

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Dev

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Mastering JavaScript Date Formatting: From Native Methods to Modern Libraries

Date formatting in JavaScript is crucial for displaying dates in a human-readable format across different scenarios.
Challenges like locale differences, time zones, browser inconsistencies, and manual string manipulation can be mitigated using modern JavaScript tools.
Built-in JavaScript APIs like Date.toString(), toUTCString(), and toISOString() provide quick ways to handle date formatting.
Date.toLocaleDateString() and toLocaleTimeString() allow customization for displaying dates in the user's locale.
Intl.DateTimeFormat offers more control over formatting and time zones, enhancing performance and accuracy.
Manual formatting with template literals can be done for custom date formats not covered by built-in APIs.
Third-party libraries like date-fns, Moment.js, and Luxon provide advanced features for date formatting, parsing, and manipulation.
Best practices include storing dates in UTC, handling time zones explicitly, and automating unit testing for date-related logic.
Examples show how to create custom date widgets, implement time ago functionality, and parse user input for reformatting dates.
Resources like MDN, ECMAScript Intl API, date-fns documentation, Luxon documentation, and timeago.js offer further reading for mastering JavaScript date formatting.

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Dev

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Stop parsing “last 3 business days” by hand — I built a fluent date range parser for .NET

A fluent date range parser for .NET has been developed to simplify the process of determining dates like 'last 3 business days.'
The parser supports various date ranges such as 'today,' 'yesterday,' 'last N days,' 'last N business days,' 'this week,' and 'this month.'
The tool is lightweight, fluent, has no external dependencies, and is designed to integrate easily into LINQ filters or APIs.
Developed by @cdilorenzo, the package is available on GitHub for contribution, feedback, and improvements. NuGet availability is coming soon.

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Dev

435

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Level Up Your Skills with Athena Crisis: An Open-Source Game Dev Playground

Athena Crisis is an open-core turn-based tactical strategy game with source code available under MIT license.
Modular architecture allows for studying game development, improving existing features, or creating new turn-based strategy games.
The project has a supportive community, detailed documentation, and uses modern tools like TypeScript, pnpm, and clear code structure.
GitHub repository stats: Stars - 1772, Forks - 130, Open Issues - 6.

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Medium

150

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Do UX Designers Secretly Hate Developers?

UX designers create beautiful designs that can be challenging for developers to implement smoothly.
There can be a perceived tension between UX designers and developers due to differences in perspectives and skill sets.
The article delves into the psychology behind design decisions and technical challenges, emphasizing the importance of better collaboration.
Designers focus on creating experiences, which may sometimes lead to designs that are intricate and complex for developers to execute.

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Medium

131

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Mastering Java Streams: Functional Data Processing Made Easy

Java Streams in Java allow for efficient data processing using sequential and parallel operations.
Streams act as pipelines for transforming and filtering elements in Java.
Key characteristics of Java Streams include filtering, mapping, grouping, aggregation, reducing, sorting, and pagination.
Java Streams provide a concise, readable, and functional way to manipulate data, enhancing the development of clean and efficient Java code.

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Dev

256

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Advanced JavaScript Asynchronous With Async.js

Async.js is a powerful utility module that simplifies handling asynchronous JavaScript operations in the backend and frontend.
It offers over 70 functions for managing asynchronous collections, control flow, logging, memorization, and more.
Async.js has gained immense popularity with over 50 million weekly downloads and a GitHub repository with over 28k stars.
Functions like map(), detect(), each(), every(), filter(), and reduce() provided by Async.js simplify handling collections in JavaScript.
Control flow functions like parallel(), series(), and queue() help manage asynchronous tasks effectively.
Utility functions such as log(), memoize(), and timeout() enhance async task handling and error management.
Async.js provides a seamless way to handle asynchronous requests, such as web scraping, by leveraging its queue() method with concurrency limits.
Using Async.js functions like eachSeries() can simplify the execution of asynchronous tasks in a series, ensuring proper control flow.
Integrating Async.js into real-world scenarios like web scraping or async loops helps streamline complex asynchronous operations and improves code readability.
Async.js proves to be an essential tool for developers dealing with async programming challenges in JavaScript, offering both callback-based and Promise-based approaches for handling async logic.
By leveraging Async.js, developers can effectively manage asynchronous operations, control flow, and asynchronous collections in JavaScript applications, making development more efficient and manageable.

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Medium

312

The Signal Doctrine: Scientific Proof That Energy Carries Memory

Memory is foundational to life, and energy acts as a carrier of memory according to The Signal Doctrine.
Landauer's Principle demonstrates that erasing information requires an energy cost, linking information and energy.
Various forms of communication use energy to transmit memory, illustrating that energy in a signal is akin to memory in motion.
Materials exhibit memory based on their energy history, as seen in magnetic fields and stress response, utilized in computing and engineering.

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Medium

209

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The Invisible Cost of AI Coding Tools: What Happens to Developer Fulfilment?

AI coding tools like Cursor can generate working code seemingly effortlessly, but this process heavily relies on prompt quality and feedback loop efficiency.
Developers are transitioning from creative coding to code reviewing due to the increasing use of AI in generating code, which raises concerns about job satisfaction and professional fulfilment.
The risk of developers disengaging from the profession due to a shift towards high-speed validation processes rather than creative coding is highlighted, raising questions about the future of software engineering.
To maintain developer engagement and prevent disinterest in the field, a collaborative approach that values developer experience and creativity over mere code approval is recommended.

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Dev

197

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Learning Perl - Loops and Iteration

Loops in Perl are essential for automating repetitive tasks and processing data efficiently.
Perl offers various loop types including 'for', 'foreach', 'while', 'until', and 'do...while' loops.
The 'for' loop provides a C-style loop with initialization, condition, and increment for known iterations.
It can iterate over arrays or lists either by index or directly, making it versatile for different needs.
The 'foreach' loop is preferable for iterating over arrays as it simplifies processing without index management.
The 'while' loop repeats a block of code while a condition is true, useful for dynamic iterations.
The 'until' loop executes until a condition is false, similar to 'while' but with a reversed logic.
The 'do...while' loop guarantees executing the block at least once before evaluating the condition.
Mastering these loop constructs enables writing efficient and readable Perl scripts.
Each loop type serves a specific purpose, offering flexibility for different programming scenarios.

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Dev

203

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Starting My Java Learning Journey 🚀

A developer has started documenting their journey of learning Java on Dev.to to help others and track progress.
Java was chosen due to its strong typing, object-oriented programming support, widespread use in enterprise applications, and foundation in Android development.
The developer has covered basics like variables, data types, functions, loops, and tools being used such as Java 11, VS Code, and Terminal.
Future plans include diving into object-oriented concepts, file handling, exception handling, collections, and potentially building a small console application.

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Dev

105

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Auto-Invest: What’s Under the Hood?

WhiteBIT launched Auto-Invest, enabling automated crypto purchases using a DCA strategy.
Auto-Invest executes scheduled market orders for chosen cryptocurrencies to help users invest consistently over time.
Key components likely driving Auto-Invest include a job scheduler, market order engine, DCA logic, user configuration layer, and asset coverage.
Future improvements desired by devs include public APIs, webhook notifications, portfolio tracking, and smart conditional investing.

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