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Spring

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Prompt Engineering Techniques with Spring AI

This blog post demonstrates practical implementations of Prompt Engineering techniques using Spring AI.
Examples and patterns are based on the comprehensive Prompt Engineering Guide covering theory, principles, and patterns of effective prompt engineering.
The article showcases how to translate concepts into Java code using Spring AI's ChatClient API following specified patterns.
Configuration section covers setting up and tuning Large Language Models (LLM) with Spring AI.
LLM Provider Selection enables choosing models like OpenAI, Anthropic, Google Vertex AI, etc., with easy configuration.
LLM Output Configuration options include temperature, maxTokens, and sampling controls for controlling model responses.
Structured Response Format allows mapping LLM responses to Java objects directly using Spring AI's methods.
Model-Specific Options exist for different providers, offering unique features and configurations while maintaining a common interface.
Prompt Engineering Techniques section covers Zero-Shot, One-Shot & Few-Shot Prompting, System, Contextual, Role Prompting, Step-Back Prompting, Chain of Thought, Self-Consistency, Tree of Thoughts, Automatic Prompt Engineering, and Code Prompting.
Spring AI and its Java API facilitate the implementation of prompt engineering techniques for building AI applications.

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PlanetPython

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Seth Michael Larson: Join the PyCon US 2025 Security Mini-Track! ��

Co-organizing open source supply-chain security mini-track during PyCon US 2025 open spaces
Event scheduled on Saturday, May 17th 2025, from 10:30AM to 12:30PM in Pittsburgh, PA
List of planned topics includes updates on the EU Cyber Resilience Act, CVE and Open Source Software, and Security for Scientific Python
Mini-track organizers can be contacted via email at [email protected] and [email protected]

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Dev

227

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1️⃣ 🚀 Can I Lick It: Programming Journey.

The author had an idea to turn a chart into a website using HTML, CSS, JS, and JSON.
The website would display information about each element and whether it can be licked.
The author is using a JSON file with 590 lines of data for the 118 elements of the periodic table.
The author has been working on the project for 3 weeks and is using a VS Code extension to connect to Glitch for hosting.

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Dev

201

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Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many

Relationships in databases describe how data in different tables are connected.
There are three types of relationships: one-to-one, one-to-many, and many-to-many.
A one-to-one relationship links each record in Table A to exactly one record in Table B.
A one-to-many relationship allows one record in Table A to be linked to multiple records in Table B and vice versa.

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Dev

347

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Launched a public beta test of next-generation virtual fitting rooms based on artificial intelligence

A team has launched a public beta test for virtual fitting rooms based on AI, after extensive market research.
They chose photo processing over VR and 3D models for accuracy and cost-effectiveness.
The fitting rooms aim to simplify the online shopping experience by allowing users to try on items virtually.
Users upload a photo of a product, then their own photo, and the algorithm transfers the product onto their image.
The Virton product is currently in open testing, aiming to enhance online store performance and user experience.
Future plans include improving accuracy, adding more features, and launching a client application.
The roadmap also involves optimizing speed, integrating widgets for online stores, and expanding search capabilities.
Interested users can try Virton for free on their website during the beta testing phase.
Online store owners are encouraged to participate in pilot projects to integrate the Virton fitting room.
Virton aims to revolutionize online shopping with AI-powered virtual fitting rooms in the near future.

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Medium

416

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Recall Not Quite Recalled

Microsoft has revived its controversial feature 'Recall' after a temporary pause in 2024.
Recall, an Orwellian 'innovation', took screenshots of customer's computers every few seconds, raising privacy concerns.
Despite the backlash, Microsoft has reintroduced the feature to testers on an opt-in basis.
Privacy advocates express disappointment as Recall captures messages and emails from others, turning it into a searchable archive.

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Medium

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Optimize KDB+/Q Table Iteration for Crossable Entries

Efficient table iteration is crucial for maximizing Kdb+’s performance.
Leverage Kdb+’s built-in functions for vectorized operations, reducing overhead and improving performance.
Use each and each-both operators for applying functions to individual elements or pairs of elements in a table.
Consider advanced techniques like indexing and partitioning to further enhance Kdb+ code performance.

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Dev

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Building a Developer Community from Scratch

Three friends in Mombasa started OnlyDevs to create a tech community accessible to all, without prior experience or funding, driven by their belief in the mission.
Despite initial lack of resources and structure, they hosted events, taught themselves community management, poured in effort, and created a welcoming environment for tech enthusiasts.
OnlyDevs made a significant impact, helping individuals secure internships, transition to full-time developers, and find support, showcasing the value of genuine connections over material rewards.
The founders faced challenges as people often joined communities for personal gain, leading to feelings of exploitation and moments of disillusionment when seeing their initiatives being commercialized by others.
Building and sustaining a community took an emotional toll on the founders, as they struggled with users leaving without acknowledgment and the weight of constantly giving without receiving much in return.
The arrival of sponsored communities with more resources and structured approaches posed a challenge, shifting the focus from personal connections to grand events, leading to a loss of intimacy in interactions.
Ultimately, OnlyDevs quietly faded out due to founders' exhaustion and lack of external support, emphasizing the need for continuous commitment and shared responsibility in community building.
The experience taught valuable lessons about the reality of community building, highlighting the importance of resilience, consistency, and a supportive network to sustain initiatives in the long run.
While OnlyDevs may not have lasted, the impact it had on individuals and the lessons learned remain significant, underscoring the enduring value of genuine efforts and connections in community initiatives.
The founders encourage active participation and support in communities, emphasizing that sustaining such spaces relies on individuals dedicated to keeping them alive even amidst challenges.
OnlyDevs exemplifies the power of creating something genuine and impactful, even if imperfect, showcasing that real connections and intentions can leave a lasting legacy beyond the lifespan of a community.

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Dev

158

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Dockerizing a React Project with Nginx

This documentation outlines how to Dockerize a React application and serve it using Nginx, exposing the app on port 8000 using Docker.
To get started, create a Dockerfile in the root of your React project.
Build the Docker image and tag it with a name using the appropriate command.
Finally, run the Docker container and access the React app at http://localhost:8000.

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Medium

399

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Go Asynchronous Preemption: A deep look

Asynchronous preemption is a feature in Go that allows the runtime to pause running goroutines at safe points.
It solves the problem of goroutines getting stuck in tight loops and blocking other goroutines from running.
When a goroutine has been running for too long, a signal is sent to initiate preemption.
The runtime manipulates the stack frame to inject a function call instruction, forcing the goroutine to reach a safe point and enable preemption.

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24 Likes

Medium

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Microservices Are a Security Nightmare — Are Monoliths Actually the Safer Bet in 2025?

Monoliths are proving to be more secure, auditable, and manageable than people remember.
Teams are abandoning microservices for modular monoliths prioritizing security and operational simplicity.
Microservices come with a steep security cost, requiring securing multiple individual services.
Monoliths offer a smarter choice for many teams in terms of security and agility.

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2 Likes

Medium

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How I Minted My First Memecoin and Earned Fast Cash

Minting your own memecoin can be a lucrative way to earn money in cryptocurrency.
Phantom Mint provides a simple and beginner-friendly system for creating memecoins.
With Phantom Mint, you can start minting memecoins without any prior experience or large investments.
The system offers updates on the latest trends and opportunities in the crypto market.

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Dev

Image Credit: Dev

What I Actually Do When I Say I'm “Working on My SaaS”

When saying 'I'm working on my SaaS,' it is not just about coding.
Tasks involved in 'working on my SaaS' include reading feedback, splitting time between development and marketing, spending time on support, debating features, marketing efforts, fixing bugs, doubting everything, and shipping consistently.
Reading feedback is a crucial step before starting any coding.
Splitting time between development and marketing is important to ensure visibility and engagement.

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4 Likes

Medium

227

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Comprehensions, Map, and Lambda Concepts in Python

Lambda functions are anonymous (unnamed) functions in Python that provide a concise way to define simple functions.
The map() function applies a given function to all items in an iterable (like a list). It returns a map object, which can be converted into a list.
List comprehensions provide a concise way to create lists.
You can perform more complex operations by using if-else inside a list comprehension.

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13 Likes

Medium

240

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✈️ The Delegation Bubble: Travel, Visas, Accommodation, and Pandemic Protocols

Eurovision, a complex project involving the movement of 3,000 people from 40+ countries, demonstrates the power of the delegation bubble.
The delegation bubble is an airtight ecosystem of health protocols, schedules, and movement controls ensuring the safe and successful execution of the event.
Key factors in the success of the delegation bubble include daily testing, zone separation, staggered rehearsals, contact tracing, and performance backups.
Lessons from Eurovision include the importance of considering people as deliverables, preparing contingency frameworks in advance, cultural intelligence, and thorough documentation.

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