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Top 10 Courses to Learn Spring Boot in 2025 for Java Developers - Best of Lot

There are some excellent resources, including books, tutorials, and online courses to learn Spring Boot.
Online courses have become a popular choice for learning Spring Boot.
Starting with an online course like Spring Boot 3, Spring 6 & Hibernate for Beginners can provide a solid foundation.
Spring Boot in Action is a recommended book for comprehensive learning.

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Dev

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LeetCode Challenge: 58. Length of Last Word 🚀

LeetCode 58: Length of Last Word is a string manipulation problem.
The task is to find the length of the last word in the given string.
The problem can be solved by trimming unnecessary spaces and locating the last word efficiently.
An alternative solution is to traverse the string backward to find the last word.

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Dev

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7 Serverless Architecture Patterns for Building Scalable Web Apps

Serverless architecture has revolutionized the way we build and deploy web applications. In this article, I'll share seven serverless architecture patterns that can help you create scalable web applications.
Function as a Service (FaaS) is the cornerstone of serverless computing. It allows developers to focus solely on writing code without worrying about server management. I've found FaaS particularly useful for building microservices and event-driven architectures.
The Backend for Frontend (BFF) pattern has been a game-changer in my projects. It involves creating separate backend services for different frontend clients, optimizing data transfer and improving overall performance. I've implemented this pattern using AWS Lambda and API Gateway.
Event-driven Data Processing is particularly effective for handling real-time data streams. A powerful example is an Azure Function that processes IoT device data.
Serverless WebSockets have opened up new possibilities for real-time communication in web applications. AWS API Gateway and Lambda can be used to implement this pattern for building chat applications and live dashboards.
Static Site Generation with Serverless Functions combines the performance of static sites with the flexibility of server-side processing. Netlify Functions can be used to create highly performant yet dynamic websites.
Serverless API Gateways have simplified API management. AWS API Gateway is a configuration example with two endpoints, each integrated with a specific Lambda function.
Scheduled Tasks and Cron Jobs have become much more cost-effective with serverless architecture. An example using Google Cloud Functions is a function runs a BigQuery job to calculate daily website visits and can be scheduled to run automatically using Cloud Scheduler.
By leveraging these patterns, you can create applications that are not only scalable and cost-efficient but also easier to maintain and evolve over time.
Serverless computing isn't just a trend; it's a fundamental shift in how we approach web development. It's important to consider the specific needs of your project and experiment with different patterns to become more comfortable with the technology. Remember, the goal is to create value for your users, and serverless architecture is a powerful tool to help you achieve that goal more efficiently.

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Medium

How to Archive iMessages via API with User Authorization Workflow?

Accessing iMessage data directly through publicly available APIs is currently not feasible.
Apple prioritizes user privacy and does not offer a straightforward API for accessing the contents of iMessage conversations.
Indirect methods exist, but they are often unreliable, prone to breaking with iOS updates, and may not provide comprehensive access to the desired data.
Archiving iMessages via API requires deep knowledge of iOS development, careful consideration of legal and ethical implications, and implementation of robust security measures.

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Medium

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How to Ship Bug-Free Code (or Die Trying): The Quality Playbook

Measuring code quality before production is crucial to successful deployments and reducing risk.
Code complexity, test coverage, and code duplication should be assessed for better code quality.
Integration of tools like SonarQube, Fortify, and language-specific linters is recommended.
Regular code reviews, early refactoring, and continuous improvement are essential for maintaining code quality.

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Medium

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Symptoms of brachial ulcer:

Symptoms of brachial ulcer include laziness, weakness, and inflamed lymph glands.
The lymph glands are fine vessels that assist the body's defense system against infection.
Initial care for a brachial ulcer includes sterile dressing, immobilization, and seeking medical attention.
Human body has 206 bones that protect internal organs.

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Dev

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PWA Pilipinas Roadshow in Baguio: A Night of Learning, Innovation, and Community

The PWA Pilipinas Roadshow - Baguio took place on December 14, 2024, and showcased the potential of Progressive Web Apps (PWAs) in web development.
The event featured talks on different aspects of PWAs, including their core features, combining React and Gemini AI, and using the Vaadin framework.
Attendees included developers, tech enthusiasts, and students, reflecting the diversity of the PWA Pilipinas community.
The event also highlighted community partnerships and initiatives, emphasizing collaboration, innovation, and regional growth in the tech industry.

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Dev

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Download Video from s3 with Cloudfront, nodejs and react

Downloading files from S3 with CloudFront, Node.js, and React can be tricky.
Initially, the basic logic of triggering a download did not work as expected.
The issue was caused by setting the ContentType during the S3 upload process.
To fix browser compatibility and enable seamless downloads, streaming the video from the backend with appropriate headers was necessary.

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Dev

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The Complete Guide to Types of Software Testing

Unit Testing: Examines individual components or functions of an application to ensure they operate as expected.
Integration Testing: Checks how different modules interact with each other to ensure seamless functionality.
System Testing: Evaluates the entire application as a complete system to validate compliance with specified requirements.
Acceptance Testing: Verifies whether the application meets business and end-user requirements.

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Medium

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What’s driving today’s Bitcoin price surge?

The Bitcoin price roller coaster might be on for another dramatic dip.
A triangle-like pattern called a "rising wedge" is causing concern among traders.
Opinions are split, with some pessimists preparing for a price reversal and others remaining optimistic.
Bitcoin's volatility and independent nature make it unpredictable, so it's important to consider various factors before making emotional trades.

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Medium

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Hi there, food lover!

Prepare the dough by mixing sweetened condensed milk, peppermint extract, and confectioners sugar.
Shape the dough into small discs and freeze for an hour.
Melt chocolate almond bark and dip the frozen discs into it.
Decorate with sprinkles and let the patties set until the chocolate is fully hardened.

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Medium

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Understanding Web3 and How It’s Shaping the Internet

Blockchain is a form of Web3 technology that allows people to own and control their data.
In Web2, big companies like Google and Facebook control user data, but Web3 shifts power back to the users.
Web3 uses cryptocurrencies like Bitcoin or Ethereum to enable fast and secure payments without involving banks.
Web3 aims to create a fair and open internet where individuals have more control over their digital lives.

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Prodevelopertutorial

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Finding shortest path algorithm tutorial 2. Introduction to Dijkstra’s Algorithm

Dijkstra’s algorithm is used to get single source shortest path algorithm.
To solve this, we can generate all the possible paths from the source vertex to every other vertex. Find the weight of all the paths, compare those weights and find min of all those weights. This can be optimized using Dijkstra’s algorithm. Dijkstra’s algorithm is a greedy algorithm.
All the edges should have positive weight. The graph should also be connected for the algorithm to work.
Steps to perform Dijkstra’s algorithm: Step 1: Select any vertex as starting vertex. Step 2: Make the distance for all other vertices as INF. Step 3: From the starting vertex, visit all its adjacent/ neighbouring vertices and write their cost/value.
Now that we have finished visiting all the adjacent vertices, we make the source vertex as visited. Choose another vertex, such that, the distance from source vertex is minimum.
Consider 'u' as the source vertex. 'v' as the destination vertex. If distance(u) + cost of path(u,v) < distance_at(v), then distance(v) = distance_at(u) + cost of path(u, v).
Example of implementing Dijkstra’s algorithm is provided in the article
The article provides implementation of Dijkstra's algorithm using C++ programming language.
The graph should have the properties like directed and undirected graphs, all edges should have positive weight, and should be connected.
The Relaxation is the process of choosing the length of the new path form source vertex to destination vertex which is lesser than the current value, then update with the shortest value.

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Dev

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10 JavaScript Frameworks You Should Watch in 2025

JavaScript frameworks are crucial for modern web development. Let's look at 10 frameworks that are sure to redefine software development in the coming year. React, with its powerful tools, vast ecosystem, and lightning-fast performance, continues to be a superstar in web development. Vue.js, known for its simplicity, is a perfect blend of simplicity and functionality. Angular, with its all-in-one approach, simplifies everything from routing to state management. Svelte, with its unique approach, makes apps faster by reducing runtime overhead. Next.js, the booster of React, simplifies complex workflows with built-in routing, API endpoints, and performance optimization. Nuxt.js, with its structured approach, modular architecture, and rich plugin ecosystem, enhances Vue.js's features with server-side rendering and static site generation. Meteor, the full-stack framework, is perfect for building real-time applications with its seamless data synchronization. Ember.js, with its convention over configuration approach, is perfect for building feature-rich, scalable applications with minimal boilerplate. Alpine.js brings interactivity to static HTML without the weight of larger frameworks. Solid.js, with its focus on fine-grained updates, is one of the fastest frameworks available.
React's new features like Suspense and Concurrent Mode make managing asynchronous tasks a breeze, ensuring it stays at the top of its game. Vue 3's Composition API brings greater flexibility and code reuse. Angular's standalone components and better server-side rendering features make code more modular and efficient. SvelteKit's gaining momentum, offering server-side rendering and static site generation. Next.js is doubling down on edge computing, which means even faster performance for users. Nuxt 3 is faster, leaner, and integrates seamlessly with Vue 3. Meteor is adapting to the latest trends in software development with modernized support for GraphQL and microservices. Ember.js offers enhanced TypeScript support and new JavaScript features. Alpine.js promises improved reactivity and better integration with modern tools in 2025, while Solid.js is set to make waves in 2025 with its expanding ecosystem and better tooling.

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Dev

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Steps to Create AI ML Solution

This article provides a detailed roadmap for creating AI/ML solutions.
Before gathering data, it is important to understand the problem and set success criteria for a successful model.
Data can be collected from public datasets, web scraping, APIs, databases, and IoT devices.
Data cleaning includes handling missing data using imputation or deletion, removing or fixing outliers, data transformation, and feature engineering.
The data is then split into training, validation, and test sets.
Based on the problem type, an appropriate machine learning algorithm is chosen, such as supervised learning, unsupervised learning, or reinforcement learning.
The model is then trained, and hyperparameters are tuned using techniques like grid search and Bayesian optimization.
The model is evaluated using appropriate metrics to assess its performance, such as accuracy, RMSE, or confusion matrix.
Once the model performs well, it is deployed to a production environment using containerization and model serving tools.
Finally, post-deployment monitoring and maintenance are done to ensure the system can handle real-world traffic and model drift.

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