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I Tested 200+ Color Palettes and Here's What Actually Makes People Buy

Color psychology plays a significant role in consumer behavior, influencing trust, urgency, and emotional responses.
Colors like red trigger hunger and urgency, while blue instills safety and trust, green signifies growth, and purple evokes luxury.
Choosing the right colors can lead to significant conversions, as seen with brands like McDonald's and effective A/B testing.
Contrast is crucial for color choices to stand out, with the overall design impacting the effectiveness of specific colors.
When selecting colors, consider your brand's personality, industry standards, target audience, and device compatibility.
Avoid using too many colors, ignoring industry norms, following trends blindly, and neglecting physical applications of colors.
A well-thought-out color palette can enhance brand perception and attract the right audience, but testing and adaptation are key.
Utilizing tools like color palette generators can simplify the process of creating harmonious color schemes for branding and design.
Successful color choices require a balance of intuition and data-driven decisions, learning from mistakes and evolving over time.
Understanding color psychology and making informed color choices can complement a brand's overall strategy and user experience.
Color selection should be deliberate, consistent across platforms, and aligned with brand identity, resonating with the intended audience.

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Dev

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Test Reporting using Allure Server and GitLab CI

Test reporting is crucial for evaluating test automation strategy and providing feedback on product quality during development.
Allure is a popular reporting tool that offers graphs and visualizations based on test reports, suitable for modern test frameworks like Webdriver.io.
To upload test results to Allure Server using GitLab CI, configure necessary dependencies in project, set up Allure Server variables in GitLab project settings, and create a 'report' stage in gitlab-ci.yaml file.
After completing the configuration steps, including introducing a new job to upload results with Allure CLI, the pipeline stages should execute tests, generate reports, and upload results to the Allure Server for review.

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Dev

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[AutoBE] Backend Vibe Coding Agent, generating 100% working code by Compiler Feedback Strategy

@autobe, developed by @wrtnlabs, is an AI agent for vibe coding that automatically generates backend applications using TypeScript, NestJS, and Prisma.
Integrating @autobe with @agentica or @autoview allows for automated backend, AI chatbot, and frontend application development.
@agentica is an AI function calling framework, while @autoview generates React components from TypeScript types for frontend applications.
The @autobe project incorporates a waterfall model with iterative improvements and feedback cycles for high-quality code production.
Pre-release phases for @autobe include an alpha version on 2025-06-01 and a beta version on 2025-07-01.
The official v1.0 release aims for 2025-08-01, with streamlined documentation and enhanced user experience.
@autobe principles involve five core functional agents, including Analyze, Prisma, Interface, Test, and Realize.
These agents collaborate to analyze requirements, generate database schemas, design API interfaces, create test code, and write realization code for backend applications.
The @autobe system emphasizes continuous validation, self-correction mechanisms, and iterative improvement loops to ensure code quality and reliability.
Overall, @autobe aims to revolutionize backend development by automating processes and integrating AI-driven solutions.
The project also outlines future plans for hosting services and comprehensive technical specifications to enhance user experience and deployment processes.

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Dev

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My Generative Coding Workflow: How an Old School Coder is Adapting to AI (Let's Talk!)

Old school coders are adapting to the AI wave by embracing generative coding workflows.
The workflow includes AI brainstorming with tools like Gemini, human-led user flows, and iterative prompting with Claude and GPT.
Efficiency is a key focus, aiming for fewer re-prompts, tighter loops, and more time for big-picture design.
The developer is open to sharing insights and learning from others' AI-assisted workflows, tools, and strategies in this new era of coding.

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Medium

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The engineering Oracle prompt: Tap into 30 years of dev wisdom in one chat

The Engineering Oracle is a prompt designed to simulate a seasoned software engineer with 30 years of experience.
It emphasizes deep consultation over quick fixes, helping with complex architectural problems, debugging, and decision-making.
The Oracle focuses on context, logical thinking models, and customized solutions rather than hand-wavy responses.
It begins by asking insightful questions to understand the problem before offering solutions, mimicking how veteran engineers approach problems.
The Oracle not only looks at code issues but also considers business goals, user needs, and team dynamics.
It provides tailored solutions based on the specific problem, team dynamics, and technology stack, promoting clarity over mere code snippets.
This prompt is valuable for tackling complex problems, decision-making scenarios, and team-related dilemmas, offering practical advice grounded in experience.
The Oracle aims to guide through consequences, not just steps, avoiding the trial-and-error approach that may break systems.
It's not a replacement for developers but rather an AI that thinks like an experienced developer, offering strategic insights and considerations.
The Oracle excels in guiding through real-world engineering challenges beyond mere technicalities, considering factors like risks, team dynamics, and long-term implications.

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Insider

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Here are the 8 programming languages to know to land a tech job on Wall Street

Python and SQL are two of the most popular programming languages used in the tech industry, including on Wall Street, due to their versatility and applicability to various tasks.
C++ remains relevant in the financial sector, particularly for high-frequency trading firms and exchanges where speed and control over hardware are crucial.
Tableau and Power BI are essential for data visualization in wealth management and data analysis roles on Wall Street.
Java, known for its security features and portability, is widely used by big banks and some buy-side firms.
Rust and Go, open-source languages, are increasingly in demand for app development in fintechs and banks, with companies like Blackrock and Stash adopting them.
Python is considered essential for data science and machine learning roles, offering a wide range of applications across finance firms.
SQL is crucial for working with databases and querying information, making it a common requirement in almost every financial firm.
Having expertise in C++ is beneficial for roles requiring low-latency applications, such as high-frequency trading, where speed is a competitive advantage.
Software advancements like C++26 and the move towards languages like Rust are shaping the tech landscape in finance, emphasizing the need for curiosity and adaptability in programming skills.
Understanding different programming languages is crucial for tech job seekers on Wall Street, with recruiters and industry insiders highlighting the importance of knowing languages like Python, SQL, C++, Java, Rust, and Go.

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Insider

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Building AI with old software is like trying to make a car out of a horse-drawn carriage, says YC general partner

Y Combinator general partner Pete Koomen criticizes the current state of AI development, comparing it to building a car out of a horse-drawn carriage.
Koomen suggests that developers are using old software development techniques to implement AI, hindering its full potential.
He emphasizes the need to redesign systems to leverage AI effectively and maximize its capabilities.
Koomen highlights issues with AI integration in tools like Gmail and advocates for giving users more control over editing AI prompts.

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PlanetPython

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Python Bytes: #433 Dev in the Arena

git-flight-rules is a guide for programmers on using Git effectively with step-by-step procedures for common operations.
Unravelling t-strings explains Python expressions, conversions, and format specs, closely resembling an example in PEP 750.
neohtop offers blazing-fast system monitoring with real-time process tracking, modern UI, and advanced process management features.
Pyrefly, a new type checker and IDE experience for Python by Facebook/Meta, focuses on performance, IDE integration, inference, and is open source.

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Dev

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Understanding and Mitigating JavaScript Memory Bloat

Memory management in JavaScript is crucial for performance and user experience, especially in complex applications with large datasets.
JavaScript memory bloat refers to inefficient memory usage leading to performance degradation in web applications.
JavaScript's evolution with ECMAScript standards introduced complexities in memory management due to the rise of SPAs and frameworks.
Garbage collection mechanisms like Mark-and-Sweep and Reference Counting are crucial for reclaiming memory in JavaScript.
Identification of memory bloat involves understanding closures, event listeners, and management of large objects.
Memory profiling tools like Chrome DevTools are essential for analyzing memory usage and identifying retained objects.
Mitigation strategies include limiting scope, managing event listeners, and utilizing object pooling for optimized memory usage.
Advanced techniques like using immutable data structures and debouncing or throttling events can further optimize memory management.
Real-world applications like Chromebook OS and Netflix utilize intricate memory management techniques to optimize performance.
Common pitfalls in memory management include failing to dispose event listeners and retaining reference cycles.
Developers should prioritize memory management alongside other concerns to ensure efficient and scalable web applications.

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Medium

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Deploying UniHTML on Kubernetes: A Simpler Way to Scale HTML Rendering

UniHTML is a backend tool that simplifies dynamic HTML rendering using Go, focusing on speed and efficiency.
Combining UniHTML with Kubernetes offers enhanced performance and reliability without requiring deep infrastructure knowledge.
Deploying UniHTML on Kubernetes allows for seamless scaling, efficient resource utilization, and stable rendering even under heavy load.
This integration streamlines workflow, with developers focusing on UniHTML logic and operations teams managing smooth application running on Kubernetes.

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Hackernoon

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Don't Mix Data Access Concerns With Essential Business Behavior

Passing databases creates accidental coupling and breaks business encapsulation.
Problems include tight coupling, mixed responsibilities, bijection violation, testability issues, business logic pollution, and violations of separation of concerns.
Solutions recommended are to use dependency injection, avoid using the Repository Pattern, separate business logic, and design for decoupling.
Refactorings and sample code are provided in the article to address the issue of mixing data access concerns with essential business behavior.

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Medium

295

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Let’s dive into three super useful JavaScript functions: map(), filter(), and reduce().

map() transforms each element of an array by applying a function and returns a new array with the transformed values.
filter() selects elements from an array based on a condition provided by a test function and returns a new array containing only the passing elements.
reduce() blends all elements of an array into a single output using a reducer function that combines each element with an accumulator.
map(), filter(), and reduce() are powerful higher-order functions in JavaScript that simplify array manipulation and make code cleaner and more readable.

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Dev

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Tutorial: Running Your C# Code Without a Project File

The tutorial explains how to run C# code without a project file using the .NET 10 Preview SDK.
This approach is helpful for quick tests, learning, and simple scripts without a full project structure.
Using dotnet run file.cs, you can directly compile and run C# programs without a .csproj setup.
You start by creating a C# source file named app.cs with basic code like printing to the console.
The CLI implicitly creates a project definition based on the default dotnet new console template to compile and run the file.
You can reference NuGet packages directly within the source file using app directives like #:package.
Advanced options include specifying SDK, properties, and using directives for finer control.
On Unix-like systems, you can make C# files executable like shell scripts using a shebang line.
The file-based execution model in .NET 10 Preview is recommended for simplicity and quick tasks, not for complex applications.
To transition to a full project structure, you can use dotnet project convert app.cs.

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Medium

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Lifetimes in Rust aren’t that hard

Rust's lifetimes play a crucial role in memory management and preventing dangling references.
Generic lifetime annotations ensure that return values do not outlive their corresponding arguments.
Returning references to local variables can lead to dangling references if not handled correctly.
In Rust, 'static lifetimes are used for string literals and data intentionally leaked to live for the entire program duration.

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Medium

109

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Federated Business Services: Escaping the Functional Monolith, One Event at a Time

Functional monoliths in organizations, such as central billing teams, create bottlenecks and dependencies on other departments for tasks like invoicing.
Federation in business services involves decentralizing ownership of processes like pricing, invoicing, and communication to enable autonomy and speed.
Central teams shift from doing the work to providing tools and rules for other teams to execute tasks within boundaries in a federated model.
Federated systems require clear ownership, well-defined events, and good observability to scale autonomy and reduce integration costs.
Events serve as the backbone of federated business capabilities, ensuring communication and coordination among different teams.
Contracts, clear ownership, and visibility are essential components for successful implementation of federated business capabilities.
Federation promotes a cultural transformation in organizations by fostering trust, autonomy, and shared language among teams.
The shift to federated business capabilities extends beyond invoicing to areas like pricing logic, communication triggers, document generation, and data ownership.
Organizations that embrace federated models move faster, reduce coordination costs, and improve scalability and flexibility in their core business operations.
Embracing federation in business services shifts the focus from control to empowerment, leading to more efficient, robust, and adaptable systems.

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