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Javacodegeeks
2w
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Guide to Prometheus Java Client
- Prometheus is an open-source monitoring solution that collects metrics from configured targets and stores them in a time-series database for querying and analysis.
- The Java Prometheus client is a library that provides various modules for exposing and managing metrics in Java applications.
- Metrics in Prometheus are classified into four types: Counter, Gauge, Histogram, and Summary.
- To use Prometheus in Java, you need to configure it to scrape metrics from your target applications by creating a configuration file called prometheus.yml.
- In Java, the Prometheus Java Client library provides an easy way to integrate custom and JVM metrics into your Java applications.
- The library supports metric types such as Counter, Gauge, and Histogram, and gives a way to build robust monitoring for your applications.
- The Java program demonstrates how to expose Prometheus-compatible metrics and how Prometheus can scrape these metrics to monitor an application's performance and health over time.
- The primary advantages of Prometheus include a Rich Query Language (PromQL), an efficient data model, alerting using Alertmanager, and support for custom exporters.
- To expose JVM metrics in Java, use the simpleclient_hotspot module, which initializes default JVM metrics and starts an HTTP server allowing the application to expose these metrics.
- Overall, the Prometheus Java Client library is an excellent tool to help developers monitor their applications' performance and health and provides a powerful solution for scaling monitoring tasks.
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Dev
2w
184
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🔥 30+ Fresh Open Source GitHub Repositories to Explore Right Now (Dec 26, 2024)
- A Transformer-based model predicting the articles of German nouns
- HardBreak- a Hardware Hacking Wiki
- migrate-to-uv – Migrate a project from Poetry/Pipenv to uv
- The Semver Trick
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Medium
2w
317
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Why Everyone Should Start Learning Programming?
- Programming may seem intimidating at first, but once you understand the basics, it becomes like solving a puzzle.
- Anyone can learn programming with the help of beginner-friendly resources available today.
- Programming is a collaborative field that brings people together in surprising ways.
- Start practicing, experimenting, and letting your imagination guide you to fuel your passion for coding.
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Medium
2w
321
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NuN Nexus of Unity: Revolutionizing Collaboration with AI, Blockchain, and IoT
- NuN Nexus of Unity is an AI-powered platform revolutionizing collaboration across AI, blockchain, IoT, and neuroscience.
- Key features include AI-powered insights, blockchain integration, neuroplasticity research, and a tokenized ecosystem.
- NuN enables interdisciplinary collaboration, IoT integration with Tangle Protocol, and utilizes Bitcoin for immutable storage.
- It also offers scalability, security, and transparency, catering to healthcare, education, enterprise solutions, and blockchain innovation.
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Dev
2w
197
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20+ Best Web Development Tools & Software (With Pricing) to Use in 2025🎉🔥🔥
- GitHub, HTML and DOM Viewer/Editor, Website Assets, Resources, and Network Data, JavaScript Debugging, Task Runners, CSS Preprocessors, Version Control Systems (VCS), API Testing Tools, Sublime Text, Bootstrap
- Chrome Developer Tools, Sketch, Marvel, SASS, Apidog, Angular, Grunt, Docker, Kubernetes, NGINX
- NPM, Laravel, Ruby on Rails, Visual Studio Code, Figma, CodePen, JQuery, XAMPP, Django, Foundation
- Framer, TypeScript, REST-assured. These web development software comes with essential criteria required for any tool to be suitable for web development.
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Nordicapis
2w
317
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Why US-Based Fintech Relies on APIs
- APIs have become a critical component of fintech, allowing systems with different data sources, methodologies and even technology platforms to work towards a unified goal.
- APIs provide an effective, scalable and modular solution to connect disparate financial systems.
- They not only provide connectivity openings between financial data sources but improve the performance and security of financial services.
- Fintech APIs provide a way to incorporate traditionally disparate technologies, opening up new opportunities for integration.
- Examples of effective fintech APIs include Plaid, Square, Stripe, Yodlee from Envestnet and neobank Chime.
- API sprawl can occur, as companies adopt new APIs, resulting in a complex and difficult-to-manage web of APIs and interconnected services.
- IAM solutions can mitigate the risks associated with API sprawl acceptance, providing advanced monitoring and compliance regulations.
- Fintech is heavily reliant on APIs, which continue to power innovation and evolution across the industry.
- API sprawl is not an insurmountable problem, and fintech providers can leverage IAM solutions to mitigate risks and resolve the issue of sprawl at scale.
- By resolving some of the technical complexities underpinning the fintech space, innovation and evolution of financial technology can move ahead full steam with an eye for detail and risk management.
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PlanetPython
2w
338
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Talk Python to Me: #491: DuckDB and Python: Ducks and Snakes living together
- Join me for an insightful conversation with Alex Monahan, who works on documentation, tutorials, and training at DuckDB Labs.
- We explore why DuckDB is gaining momentum among Python and data enthusiasts, from its in-process database design to its blazingly fast, columnar architecture.
- We also dive into indexing strategies, concurrency considerations, and the fascinating way MotherDuck (the cloud companion to DuckDB) handles large-scale data seamlessly.
- Don't miss this chance to learn how a single pip install could totally transform your Python data workflow!
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Dev
2w
244
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A Practical Guide to Identifying and Mitigating Hallucinations Outputs in Language Models
- Language models have revolutionized how we interact with AI, enabling powerful applications in various fields.
- However, one major challenge with language models is hallucination, where false or misleading information is confidently produced.
- Hallucinations can undermine trust, mislead users, and cause harm in sensitive applications.
- A guide introduces DeepEval, a Python library for effectively evaluating and managing language model outputs to detect and mitigate hallucination.
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Dev
2w
205
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What Is Postgres Wire Protocol
- The PostgreSQL wire protocol is specifically designed to handle complex database tasks such as transactions, secure authentication, and efficient data transfer.
- The protocol is tailored for database-specific operations, including query execution, transaction management, and high-concurrency workloads.
- The wire protocol supports long-lived connections, critical for high-performance databases.
- By supporting advanced authentication mechanisms, the protocol enhances security while reducing overhead in client-server interactions.
- The term "wire protocol" highlights its role as the fundamental layer enabling communication between a database client and server.
- The PostgreSQL wire protocol is a TCP-based protocol that follows a client-server model. It operates on the principle of request-response cycles, where the client sends a request to the server, and the server responds accordingly.
- The PostgreSQL wire protocol consists of three main phases: Startup Phase, Query Phase and Termination Phase.
- PostgreSQL also supports an extended query protocol. This protocol allows for more advanced features, such as prepared statements and parameterized queries.
- The Simple Query Protocol does not support prepared statements, so the query is parsed and planned each time it is executed.
- Understanding the technical aspects of the protocol, from its architecture to its message flow, is essential for developers working with PostgreSQL.
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Dev
2w
8
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Stress Testing: Ensuring System Reliability Under Pressure
- Stress testing is a critical performance evaluation method that examines a system's ability to function under extreme conditions.
- Stress testing helps determine the breaking point and recovery behavior of a system, simulating real-world scenarios.
- The importance of stress testing lies in identifying potential bottlenecks, ensuring critical features remain operational, and validating recovery mechanisms.
- Stress testing can be categorized into distributed, application, transactional, and systemic stress testing, each focusing on different aspects.
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Medium
2w
60
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The POJO class and the Java Bean class
- POJO stands for Plain Old Java Object. It is a simple object that is not bound by any special restriction. POJO class doesn’t follow any special conventions or frameworks.
- Java Bean is a unique kind of Java class that follows certain guidelines and is frequently used to encapsulate data in Java applications. Java Beans can be easily instantiated using the Class.newInstance() method.
- While both POJO and Java Bean are simple Java classes, Java Beans follow stricter conventions, such as implementing Serializable and having getter/setter methods. A POJO doesn’t necessarily need to follow these rules.
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Medium
2w
124
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LLMs vs. Small Language Models: A Comparative Analysis
- LLMs rely on complex architectures like transformers to process and understand text.
- SLMs use simpler architectures like RNNs or CNNs and are more suitable for resource-constrained environments.
- Future trends include smaller yet powerful LLMs, specialized SLMs, hybrid approaches, and addressing ethical concerns.
- Understanding the differences between LLMs and SLMs helps organizations choose the right tool for their needs in language AI.
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Medium
2w
381
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$9.9 Udemy Coupon for Java and Spring Certification Courses
- My Udemy course for Java SE 21 Certification 1Z0–830 is now live.
- The course is available for $9.9 during the launch period.
- It covers the new Java 21 features like Virtual threads and Scoped variables.
- Use code 5DAYLAUNCHPROMO to avail the discount.
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Javacodegeeks
2w
124
Image Credit: Javacodegeeks
Reactive Programming with Project Reactor and Spring WebFlux
- Reactive programming involves the handling of streams of data in order to propagate changes through an application without blocking Threads.
- Project Reactor is a Java library that implements the Reactive Streams specification. It provides two key types: Mono and Flux.
- Spring WebFlux is the reactive counterpart of Spring MVC, which is a non-blocking, reactive web framework.
- Spring WebFlux is ideal for real-time APIs and applications with high-concurrency, microservices architecture, high I/O operations, event-driven systems, cloud-native and serverless applications, long-running processes.
- Project Reactor and Spring WebFlux together bring a powerful set of benefits for building modern, scalable applications. These include improved scalability, efficient resource management, faster response times, declarative and functional API, backpressure handling, high throughput, and integration with Spring ecosystem.
- Reactive programming comes with its challenges such as a steeper learning curve, debugging complexity, and compatibility. However, these can be overcome by understanding backpressure, leveraging the Spring ecosystem, using context propagation, and monitoring performance.
- Spring WebFlux with Project Reactor is unequivocally the way forward in building high-performance, resilient applications in today's fast-paced and high-demand environment.
- Developers can improve their Java skills by subscribing to newsletters and downloading eBooks on topics such as JPA, JVM troubleshooting, JUnit testing, annotations, Java interview questions, Spring interview questions, and Android UI design.
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Medium
2w
219
AI Ethics and Bias: Recognising the Difficulties
- AI ethics are rules and values guiding the creation and application of machine intelligence.
- Ethical AI must ensure accountability, transparency, fairness, and non-discrimination.
- Implementing AI ethics can be challenging for engineers and organizations.
- AI bias arises when machine learning models learn and reproduce flaws from data.
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