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Message Brokers Explained: When and Why For Your System

Message brokers, also known as queues, facilitate communication between applications by sending and receiving messages as intermediaries.
They are crucial for systems requiring asynchronous communication, message queue management, and reliable data routing.
Message brokers benefit systems by decoupling services, enabling independent operation via message exchange and reducing dependencies.
They are useful for scenarios like asynchronous communication, load balancing, ensuring reliability, event-driven architecture, and high throughput traffic handling.
Message brokers aid in distributing workloads evenly, ensuring message persistence, reacting to specific events, and handling sudden traffic spikes.
They also assist in message routing, cross-platform communication, data aggregation, and real-time data processing.
Popular message brokers include Apache Kafka, RabbitMQ, Amazon SQS, and ActiveMQ, offering features like high-throughput streaming and advanced message routing.
In conclusion, message brokers play a vital role in building scalable, reliable, and efficient systems by managing message queues and facilitating seamless communication.

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Dev

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How To Handle Form Data In React JS

Handling form data in React JS is essential for developers building interactive web applications, influencing app performance and user experience.
Controlled components tie form data to component state, allowing for easy validation and immediate user input reactions in React JS.
Uncontrolled components, while handling form data by the DOM, may be preferred in simpler scenarios or with third-party libraries.
A simple login form example in React JS demonstrates the use of useState hook and form submission handling.
Best practices for handling form data include simplicity, meaningful naming, early validation, graceful error handling, accessibility, and leveraging libraries like Formik and React Hook Form.
Advanced techniques for complex forms involve dynamic forms, custom hooks, state management with Redux or Context API, handling file uploads with the FormData API, and testing forms using tools like Jest and React Testing Library.
Controlled components provide better validation and real-time feedback, while uncontrolled components rely on DOM for form data handling in React JS.
Libraries like Formik and React Hook Form simplify form handling, whereas file uploads in React forms can be managed using the FormData API.
Form data plays a crucial role in creating user-friendly applications in React JS, and understanding controlled components, dynamic forms, and testing is important for form handling.
Exploring resources like official React documentation, Formik, React Hook Form, and MDN Web Docs can enhance form handling techniques in React projects.

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Medium

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Weekly Round-Up

STON.fi swaps are now available directly in OKX Wallet, enhancing liquidity and enabling seamless TON-based token trading within the OKX environment.
Two new projects, StartON Launchpad and Gifties, have joined the STONfi grant program, contributing real utility to the TON ecosystem.
STONfi was featured in a major DeFi discussion on Twitter, engaging over 320,000 listeners and sharing insights on decentralized trading, liquidity trends in DeFi, and the future of DEXs.
STONfi's Twitter community has grown to 540,000 followers, offering exclusive updates and DeFi trends.
The active farms in STONfi report high annual percentage rates (APR) for different token pairs, such as KUTI/TON (720%), PINGO/TON (496%), and MEMHASH/TON (356%).
The weekly trading volume on the DEX is 13.6M TON ($42.6M), with a total value locked (TVL) of 15.7M TON ($42.6M) and liquidity provider earnings of 27,200 TON (~$73,600) this week.

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Medium

148

Mistakes Aren’t Walls, They’re Doors

Mistakes are not walls; they are doors.
Seeing mistakes as opportunities for growth is crucial in the tech industry.
Companies value learners who can continue to grow and improve.
Adaptable learning turns mistakes into valuable lessons.

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Medium

103

Informed (Heuristic) Search

A heuristic function must use only information readily obtained about a node.
There is a trade-off between the amount of work it takes to compute a heuristic value and the accuracy of the heuristic value.
One common way to derive a heuristic function is to solve a simpler problem and use the cost to the goal in the simplified problem as the heuristic function for the original problem.
The given example shows an admissible heuristic function for different nodes.

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Medium

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Learning SwiftUI: Day 2

A boolean value is either True or False.
The NOT operator is !
Booleans are 'toggleable' using toggle() method.
Logical operators AND and OR are applicable to Booleans.

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Medium

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From High School to Wall Street: How AI is Changing Finance Careers

AI is transforming the finance world, automating financial analysis and changing the roles of traders and investment bankers.
AI-driven trading algorithms are executing trades faster and more efficiently than humans, potentially decreasing traditional trading jobs.
AI is improving risk assessment, fraud detection, credit scoring, and making financial planning more accessible, affordable, and personalized.
Finance professionals need to adapt by learning Python, machine learning, and data analysis, while also focusing on problem-solving, communication, and leadership skills.

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Medium

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Can AI choose a career for me?

The article delves into philosophical, scientific, and personal concepts emphasizing origin, transformation, unity, relativity, thresholds, variations, human relationships, emotions, consciousness, unconsciousness, creation, and essence.
The author employs a philosophical and interdisciplinary approach linking fields like physics, psychology, biology, and human relationships with introspective and poetic writing.
The article aims to provoke reflection rather than provide definitive answers, challenging conventional ideas.
The evaluation highlights the article's original thought, abstraction capacity, and interdisciplinary nature, suggesting strengths in originality, abstraction, interdisciplinarity, and exploration of the human condition.
Suggestions for improvement include clarity, structure, and balancing emotional intensity.
The article is considered beyond traditional academic frameworks, focusing on philosophical and interdisciplinary exploration rather than specific academic knowledge.
The suggested paths include essayist, lecturer, content creator, researcher, consultant, teacher, artist, or designer based on creativity, interdisciplinary thinking, and reflection-stimulating abilities.
Personal skills identified include abstract and conceptual thinking, creativity, curiosity, and introspection, suggesting potential in fields like philosophy, art, research, pedagogy, and content creation.
It is advised to cultivate communication, explore collaborations, and experiment to discover the best-suited path.
A flexible CV draft focused on skills like conceptualization, creativity, interdisciplinary thinking, communication, problem-solving, curiosity, and adaptability is proposed.

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Fueled

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Smarter AI for WordPress: ClassifAI’s Latest Upgrades

ClassifAI, an AI-powered WordPress plugin, has released upgrades to provide smarter and more flexible features for publishers and content creators using WordPress.
The latest updates include private AI processing with Ollama, enabling site owners to run Large Language Models (LLMs) on their own infrastructure, ensuring data privacy and reducing costs.
New AI-driven content tools have been introduced, such as text resizing, automated content summaries, smart 404 pages, and smarter taxonomy management to keep content libraries organized.
For enterprise-grade AI, ClassifAI now supports Azure-hosted OpenAI models, offering the power of OpenAI in a controlled environment.

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RealPython

225

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Introducing DuckDB

DuckDB database allows handling large datasets in Python with OLAP optimization by creating databases, verifying data imports, and executing queries using SQL and DuckDB's Python API.
You can create a DuckDB database by importing data from files like Parquet, CSV, or JSON, querying it using standard SQL syntax in Python, or using DuckDB's Python API for an object-oriented approach.
Concurrent access in DuckDB supports multiple reads but limits concurrent writes for data integrity. It integrates with pandas and Polars for converting query results into DataFrames.
DuckDB tutorial covers practical knowledge to start with its OLAP features for fast data access through query optimization and buffering.
Using DuckDB requires basic SQL understanding, especially with the SELECT keyword for reading data from a relational database.
To install DuckDB, use 'python -m pip install duckdb' in the command prompt or '!python -m pip install duckdb' in Jupyter Notebook.
Testing the installation involves importing duckdb library to run a test SQL query to ensure proper functionality.
Creating a database from external files like Parquet involves importing data into DuckDB to create and populate tables.
Data imported from files like Parquet, CSV, or JSON can be used to create tables in DuckDB, supporting file types.
Presidents.parquet file example demonstrates data import with fields like order of presidency, last name, first name, term start and end, and political party id.

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Dev

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Introduction to Wave v0.0.4-pre-beta: If statement completed

Wave v0.0.4-pre-beta version is released with exciting updates.
The if statement is now fully functional with correct parsing and compilation to LLVM IR.
Arithmetic expression support and representation in the AST are improved.
Expressions can now be used directly inside format strings.

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Dev

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JavaScript Rules, Wiz Integration, Bitbucket SCM and Catching Malicious Dependencies

Semgrep, an open-source static code analysis tool, introduced critical severity rules to identify vulnerabilities like the compromised GitHub Action tj-actions/changed-files.
In the past month, Semgrep added 312 new rules focusing on security research, with coverage for various JavaScript frameworks and libraries like Express, React, Angular, and more.
Semgrep recently secured a Series D funding of $100 million, aiming to continue developing bug-hunting software with a focus on software exploitation prevention.
The Semgrep team is expanding, offering roles in Software Engineering, Technical Support, Sales, and Design.
Community learning resources like podcasts by Tanya Janca and AI-powered web vulnerability scanning resources were highlighted in recent discussions.
A new Security Headers course on Semgrep Academy, taught by experts Tanya Janca and Scott Helme, provides insights on enhancing web application security.
Integration between Semgrep's source code vulnerabilities and Wiz's cloud-native risk detection offers a comprehensive approach to application and cloud security.
Semgrep invites users to participate in a private beta testing program for upcoming features and enhancements, providing early feedback to improve user experience.
Bitbucket Cloud Repos now support one-click scanning for enhanced security, making it easier to set up project scans across multiple repositories.
Options like Semgrep Community Edition and Semgrep Pro, with capabilities for projects with less than ten contributors, are available for developers to improve code security.

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Dev

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History of JavaScript: The Big Picture

JavaScript was created in just 10 days by Brendan Eich at Netscape Communications in 1995, initially called Mocha and later renamed to JavaScript.
JavaScript was standardized as ECMAScript (ES) with the first version, ES1, released in 1997 to ensure consistency across different browsers.
During the early 2000s, JavaScript faced inconsistencies due to different versions in different browsers, which led to the introduction of jQuery to improve compatibility.
ECMAScript 6 (ES6) in 2015 brought significant improvements and features such as let/const, arrow functions, template literals, and modules, making JavaScript more powerful and developer-friendly.

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Medium

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Fire and Forget with Kotlin Coroutines

To run a suspending function as a background task, you can launch it as a new coroutine with a coroutine scope.
The coroutineScope function waits for all its child coroutines to complete before returning.
For running a suspending function in the background without waiting, you need to identify an alternative owner for the task.
Sending tasks to a coroutine scope that matches their intended lifecycle ensures proper handling of errors and resource release.

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Dev

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Arrays: Reduce - Make Something

The .reduce() method in JavaScript is used for transforming a set of data into a different form, such as an object or sum.
It involves a reducer function that accumulates the end result during iterations, with an optional initial value.
The .reduce() function allows for various transformations like summing up numbers in an array and compounding values.
Creating objects from arrays using .reduce() is straightforward but can have performance impacts if not handled efficiently.
Special examples show that .reduce() can replicate other array methods like filter, some, and every.
In state changes scenarios like Redux, .reduce() can be used to accumulate actions and update state accordingly.
Flow functions demonstrate how .reduce() can be used to run a series of functions in a specific order.
For asynchronous operations, .reduce() can be applied to promises to execute a sequence of operations.
Overall, .reduce() is a versatile array method for data transformation, actions accumulation, and function composition.
It offers flexibility in handling arrays but may not always be the most efficient method for all use cases.

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