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Using Signals in Angular 17: Goodbye NgRx for Simple State?

Angular 17 introduces Signals, a new reactive primitive for managing local component state, offering a cleaner and more intuitive approach compared to using NgRx and RxJS.
Signals provide a simpler API with lower complexity, minimal boilerplate, and automatic change detection, making them ideal for managing local/component state and UI-related functionalities.
Examples provided demonstrate how Signals can be used in scenarios like managing a counter, toggling visibility, and deriving state, showcasing their advantage in readability and reactivity.
To decide between Signals, RxJS, and NgRx, consider using Signals for local state, UI flags, and deriving state, while reserving RxJS/NgRx for asynchronous data, global state, side effects, and advanced features.

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Dev

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Stay ahead in web development: latest news, tools, and insights #86

The weeklyfoo #86 newsletter features 35 valuable links in 6 categories, offering insights into various web development topics.
Articles cover a range of subjects including JavaScript history, AI-driven app development, and practical advice for engineers.
Tools section highlights MCP Directory, BrowserBee AI-powered assistant, and tools like Dither me this and PicoSSG.
The newsletter also includes articles on procrastination in software engineers, AI techniques for engineering work, and Electron app performance.
Featured tutorials cover topics like generating short alphanumeric IDs in Postgres, while videos introduce popular JavaScript frameworks.
Readers can explore tools like prompt-kit for AI apps, jsPad JavaScript playground, and stagewise browser toolbar.
The newsletter is a comprehensive resource for staying updated on web development trends and tools.
Visit weeklyfoo.com to sign up for the newsletter and receive weekly web development insights in your inbox.

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Medium

295

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How I Stopped Worrying About AI Replacing Developers — and Started Pair Programming With It

A backend developer shares their journey of initially worrying about AI replacing developers but eventually embracing AI through pair programming.
Despite being experienced in backend development, the developer felt a mix of amusement and unease when seeing ChatGPT write a Python function they had written many times before.
The developer realized that AI not only saved time but also conserved energy, allowing them to focus more on architecture, performance, and creative problem-solving.
By leveraging AI, the developer emphasized the importance of context and knowing what not to copy-paste, leading to a realization that AI can enhance their work rather than replace it.

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Medium

353

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Descriptive Statistics : Heart of Statistics . (Part 2 )

Descriptive statistics can be broken down into three main components: center, spread, and shape.
Center metrics include mean (average), median (middle value), and mode (most frequent value).
Spread metrics include range (difference between highest and lowest values), variance, standard deviation, and IQR (interquartile range).
Shape metrics include skewness (asymmetry of data), kurtosis (tailedness of data), Z-score, and Percentile.

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21 Likes

Medium

237

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How I Made $547 a Day with This Simple System

The AMZ Money Machine offers a simple system for making passive income through Amazon Kindle Publishing.
Users can start earning quickly with a few clicks, without the need for technical expertise or initial costs.
The system has received positive feedback from users, with some making significant money in a short period.
For just $17, individuals can access the AMZ Money Machine and begin their journey towards financial independence.

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Dev

113

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The Software Industry is "Cooked" !

The software engineering industry is facing a fundamental shift driven by AI advancements, global cost-cutting trends, and economic changes.
AI tools are boosting productivity, reducing demand for routine coding roles, and favoring AI research and machine learning positions.
New programmers relying heavily on AI for code generation lack a deep understanding of programming principles.
The myth of highly-paid Western developers is diminishing as companies turn to lower-cost alternatives globally.
The global IT outsourcing market is expanding rapidly, with a significant increase in remote work trends.
The software engineering job market is experiencing a correction after years of unsustainable growth, leading to increased scrutiny in hiring.
Companies are now seeking highly specialized skills and real problem-solving abilities from engineers.
The software engineering field is increasingly favoring engineers with deep expertise and the ability to solve complex problems.
The market is creating a wider gap between exceptional software engineers and those who lack deep understanding of the field.
Opportunities still exist for engineers who continuously learn and master their craft, while the outlook is challenging for those who remain complacent.

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Dev

349

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How to Use Docker for Application Deployment

Docker simplifies application deployment by packaging applications and dependencies into containers for consistency, isolation, scalability, and portability.
Benefits of using Docker for deployment include ensuring apps run consistently across environments and reducing conflicts between dependencies.
Scalability is made easier through Docker with tools like Kubernetes or Docker Swarm, while portability allows for running containers on systems with Docker installed.
Setting up Docker involves installing it on Linux or downloading Docker Desktop for macOS/Windows, followed by verifying the installation.
To containerize an application, create a Dockerfile defining how the app should be containerized, build the image, and run the container.
Deploying to production environments can be done through cloud providers like AWS or by using Docker Compose for multi-container apps.
Best practices for Docker deployment include using .dockerignore to exclude unnecessary files, optimizing image size, securing containers, and monitoring with tools like Prometheus.
By leveraging Docker's features and following best practices, developers can deploy applications efficiently and consistently in any environment.
MediaGeneous offers strategies for growing a YouTube channel, complementing the deployment guide for developers.
Ready to simplify your app deployment process? Start Dockerizing your applications today for efficient and reliable deployment.

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Dev

443

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The Ops Apocalypse is Coming! SSL Certificate Validity to be Shortened Again?

The SC-081 proposal by CA/Browser Forum suggests shortening SSL certificate validity to possibly just 47 days, creating concerns about increased workload and risks of website insecurity.
In response to potential challenges, exploring automation solutions like ServBay, a tool that simplifies certificate management, has become crucial for ops professionals.
ServBay offers a self-contained CA feature, allowing for the issuance of development certificates lasting up to 3 years, providing cost savings and convenience.
By automating HTTPS for dev environments, ServBay eliminates the need to deal with self-signed certificates or frequent renewals from Let's Encrypt, enhancing security and efficiency.
Moreover, ServBay's automatic renewal feature, supported by ACME, ensures timely renewal of public SSL certificates, potentially mitigating the impact of shorter validity periods proposed by SC-081.
While the effectiveness of ServBay's auto-renewal remains to be fully evaluated, its integration of certificate application and management features presents a promising solution for ops professionals.
Embracing automation tools like ServBay could alleviate concerns around the increasing workload associated with SSL certificate management and offer a more streamlined approach for ops teams.
In light of potential changes in SSL certificate validity policies, exploring tools like ServBay for automation and efficiency gains in certificate management is recommended for ops professionals.
Seeking out automated certificate management solutions and sharing insights within the ops community can help navigate challenges and improve operational efficiency amid evolving requirements.
Personal experiences with tools like ServBay demonstrate the value of leveraging technology to simplify certificate management and adapt to changing security protocols in the ops domain.
Continuous exploration of innovative tools and collaborative sharing of best practices can empower ops professionals to enhance security measures and optimize workflow processes in response to evolving industry standards.

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Infoq

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Spring News Roundup: GA Releases of Spring Boot, Security, Auth Server, Integration, AI

Spring ecosystem saw multiple GA releases including Spring Boot 3.5.0, Spring Security 6.5.0, Spring Authorization Server 1.5.0, Spring for GraphQL 1.4.0, Spring Session 3.5.0, Spring Integration 6.5.0, Spring AI 1.0.0, and Spring Web Services 4.1.0.
Spring Boot 3.5.0 introduced bug fixes, documentation improvements, and features like @ServletRegistration and @FilterRegistration for registering Servlet and Filter interfaces instances.
Spring Security 6.5.0 came with bug fixes and new features such as OAuth 2.0 Demonstrating Proof-of-Possession (DPoP) implementation and Micrometer context propagation.
Spring Authorization Server 1.5.0 released with bug fixes, dependency upgrades, and features like OAuth 2.0 Pushed Authorization Requests (PAR) implementation and the replacement of @MockBean annotation.

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Dev

277

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A beginner's guide to the Cosyvoice model by Jichengdu on Replicate

Cosyvoice, maintained by Jichengdu on Replicate, is a scalable multilingual text-to-speech system known for advanced voice cloning capabilities.
The model, built on large language model architecture, supports streaming synthesis, cross-lingual generation, and bidirectional streaming.
It focuses on low-latency performance and high-quality output, standing out among related models like OpenVoice and Parler TTS.
Cosyvoice takes text and reference audio as inputs to generate natural-sounding speech in multiple languages and styles, producing WAV format speech output at a 16kHz sample rate.

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16 Likes

Medium

342

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10 startup ideas Reddit obsessed over that no one’s built yet

Reddit often generates startup ideas that gain significant interest but are not built by anyone.
This article presents 10 startup ideas from Reddit that sparked genuine enthusiasm but are still unexplored.
These ideas cover a range of concepts from privacy-focused AI models to automated cancellation tools and real-time crowd-sourced transparency platforms.
Potential builders are encouraged to take one of these concepts, streamline it into an MVP, and launch it to potentially find success in the market.

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20 Likes

Medium

241

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Inside the JVM: How Java Loads Classes and Creates Objects

The blog delves into how Java loads classes and creates objects inside the JVM, focusing on the processes involved.
Java performs lazy class loading in the JVM, with triggers causing classes to be loaded when needed.
The class loader locates and loads .class files into the method area of the JVM.
Java ClassLoader subsystem follows a parent delegation model for secure and consistent loading.
After loading into memory, classes undergo essential steps before being ready for use.
Object creation in Java involves mechanisms like new keyword and cloning.
During object creation, memory is allocated in the heap for all instance members.
Constructor invocation involves stack frame allocation, assigning arguments, and superclass constructor chain.
Instance initializers and variable initializers are copied into constructors for proper initialization.
The JVM returns the reference of the newly created object after constructor execution.

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Dev

156

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Architecture: Your future self will thank you

Understanding architecture in coding can prevent future chaos and make your code easier to maintain, expand, and understand.
One well-established pattern is MVC (Model-View-Controller), which helps in organizing code effectively and is crucial to learn before delving into frontend frameworks like React, Angular, or Vue.
The five main components in any architecture pattern are Presentation Logic, Application Logic, Business Logic, State, and HTTP Library, working together to create a structured codebase.
In MVC, the Model represents the business logic and state, the View handles the presentation logic, and the Controller acts as the bridge between them, controlling the flow of data.

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Dev

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How CSS-in-JS Works and Why It Matters

CSS-in-JS is a styling approach that involves writing CSS within JavaScript files, typically inside React components, using libraries like styled-components or Emotion.
Libraries like styled-components and Emotion generate unique class names, inject CSS rules dynamically, and support dynamic styles that react to props or themes.
CSS-in-JS offers benefits such as scoped styles, dynamic styling, code co-location, theming support, and eliminates the need for class naming conventions.
Popular CSS-in-JS libraries include styled-components, @emotion/styled, vanilla-extract, and Stitches. CSS-in-JS is recommended for component-based architectures and projects requiring dynamic styles or runtime customization.

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Dev

255

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Day 15/200 (Full stack)

Day 15 of 200 Days of Code focused on understanding CSS Media Queries, a crucial aspect of responsive web design.
CSS Media Queries allow for styling based on screen size or device type, ensuring websites adapt to different devices such as smartphones, tablets, and laptops.
Media Queries enable adjustments like font sizes, layout rearrangements, and element visibility for better user experience across all devices.
Learning about Media Queries, even in small steps, can lead to significant improvements in project outcomes and enhance coding consistency in the long run.

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