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Passing Data to Routed Components with RouterOutletData in Angular 19

Angular 19 introduces routerOutletData feature for passing data to routed components, simplifying communication and reducing boilerplate code.
Previously used methods like path parameters, query parameters, shared services, etc., can be complex and less suitable for dynamic data.
The routerOutletData method enhances readability, maintainability, and direct data passing between parent and child components in nested routing scenarios.
It provides a more intuitive and efficient way of passing data, offering type safety and reactive capabilities.
An example demonstrated passing data through nested routes using components like StarwarsListComponent, StarWarsCharacterComponent, and StarWarsMoviesComponent.
The feature simplifies data sharing, improves readability, enhances maintainability, provides type safety, and ensures component flexibility.
Overall, Angular 19's routerOutletData input offers a valuable solution for passing data in routed components, streamlining development in complex routing scenarios.
Resources like PR of the feature, API documentation, and a Stackblitz Demo are available for more insights and practical implementation.

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Dev

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5 Key Elements for Shopee Account Registration: Tips for Email Address Selection

When registering a Shopee account, it is important to choose the right email address.
Use a stable and reliable email service, avoiding disposable and corporate emails.
Ensure consistency in identity verification with provided name and ID details.
Pay attention to address details, including specific identifiers and separating shipping and account addresses.
Maintain password security by using strong and complex passwords, updating regularly, and avoiding publicly available information.

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Dev

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5 Reasons to Choose JWT Over Session-Based Authentication

JSON Web Tokens (JWTs) have become a popular choice for authentication over traditional session-based methods.
Session-based authentication involves server-side session data storage, while JWTs contain user information within the token itself.
JWTs are stateless and scalable, eliminating the need for server-side storage and enabling easy scalability across multiple servers.
JWT authentication works well with APIs and microservices, improving performance and reducing dependencies on shared session stores.
Security is enhanced with JWTs through cryptographic signatures, expiry times, role-based access control, and support for SSO.
JWTs are particularly suited for mobile apps and SPAs due to their ease of storage and passing via headers.
Benefits of JWT include scalability, better security, seamless integration with APIs, SSO support, and compatibility with mobile and SPAs.
Implementing best practices like setting expiration times, using HTTPS, and secure storage enhances JWT security.
Example scenarios illustrate how JWT simplifies authentication in distributed systems, microservices, and single sign-on environments.
For modern applications, JWT offers a more efficient and secure way of handling authentication compared to traditional session-based methods.

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Dev

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Daily JavaScript Challenge #JS-136: Check if Number is a Happy Number

Implement a function to determine if a number is a happy number.
A happy number is defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1.
If the number equals 1, it is a happy number, otherwise, it is an unhappy number.
Challenge link: https://www.dpcdev.com/

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Dev

130

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🚀 I built JetScript — a new JavaScript-like language for solo founders, indie hackers, and educators

JetScript is a lightweight scripting language designed for startup founders, indie hackers, and educators.
It offers a simple, readable code and instant feedback, with no npm, no toolchains, and no JSX.
JetScript aims to provide a language that simplifies front-end, back-end, and state logic in a single file.
The language is inspired by the poetic principles of Mizulang and is focused on simplicity, expressiveness, and joy.

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Medium

139

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How to make a Universal Audio Apollo™ wireless Volume Control (with a twist)

Shortcut Labs has released a major update to Flic Hub Studio for the Hub LR.
The update allows mapping of the Flic Twist button's actions to custom events.
Flic Hub Studio integrates support for Matter and IR and comes with preconfigured modules.
By using Flic Twist, a wireless volume control can be created for Universal Audio Apollo audio interfaces.

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Medium

189

The Dual Sheet Model incorporates real world data: Updated code

The code snippet demonstrates the Dual Sheet Model (DSM) incorporating real-world data and equations for dark energy studies.
Real-world data for dark energy values and Hubble parameters are provided for analysis and comparison.
The code includes interpolations, optimizations, and calculations of observables like effective w(z) and H(z).
Functions for potentials, densities, Hubble parameters, derivatives, and chi-squared objective are defined and utilized.
The code optimizes parameters for the DSM using the Nelder-Mead method and presents best-fit parameters lambda, m, and m_tilde.
Simulations are run with the optimized parameters to compute w(z) and H(z) values for comparison with observational data.
Plots are generated to show the results of w(z) and H(z) from the DSM simulation against observational data from DESI, CMB, Planck, and Union3.
The plots illustrate the Dark Energy Equation of State and the Hubble Parameter comparison between DSM and observations.

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Dev

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Create A Sample Resume And Push to GitHub Pages

Install Git on your computer.
Set up Git and configure your environment.
Clone your GitHub repository and push your code to it.
Host your website on GitHub Pages.

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PlanetPython

373

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Python Morsels: Checking whether iterables are equal in Python

You can check whether iterables contain the same elements in Python with equality checks, type conversions, sets, Counter, or looping helpers.
If we have two lists and we wanted to know whether the items in these two lists are the same, we could use the equality operator (==).
The same thing works for comparing tuples.
But what if we wanted to compare a list and a tuple? We can't use a simple equality check for that.

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Hackernoon

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Frontend Testing for Busy Engineers: A Guide

Frontend developers often work on projects with no or minimal tests, impacting the effectiveness of testing. The article discusses maximizing test impact with minimal effort, challenges of applying the testing pyramid to frontend development, and effective practices for testing web applications efficiently.
Key areas to test in frontend applications include HTML/JSX Markup, requests to backend APIs, state management, and frontend business logic. The focus should be on ensuring correct UI rendering and component behavior, as well as testing API calls and state management changes.
The traditional testing pyramid comprises unit tests, integration tests, and end-to-end (E2E) tests. The pyramid suggests prioritizing unit tests for ease of implementation. However, strict adherence to this model may not always be feasible in frontend development.
While some projects deliberately choose not to use automated tests due to various reasons like early-stage startups or legacy systems, essential tools like static analysis and error monitoring can enhance code quality and development efficiency.
As frontend applications become more complex, manual regression testing becomes impractical, eventually leading back to automated testing. E2E testing is highlighted as a valuable testing approach for checking application functionality from an end user's perspective.
E2E testing tools like Playwright, Cypress, Selenium, and Puppeteer are recommended for implementing tests to validate user stories and critical business functions. Prioritizing smoke tests, critical path tests, and continuously expanding test coverage are key E2E testing strategies.
Despite the benefits of E2E testing, challenges such as flaky tests, test run speed, and managing test data exist. In cases where E2E testing faces challenges, turning them into integration tests with mocked APIs can offer a simpler alternative.
Integration tests, focusing on testing the frontend in isolation from the backend by mocking API calls, offer a faster and more stable testing alternative compared to E2E tests. However, they provide lower reliability guarantees as they exclude the entire stack.
Unit tests play a role in testing complex logic, library code, and aiding refactoring and legacy code support. The article suggests minimizing the number of unit tests by focusing on critical logic and not writing tests for trivial functionality or highly covered areas.
An optimal automated testing strategy for the frontend involves utilizing static analysis and error monitoring tools, prioritizing E2E tests for key scenarios, leveraging integration tests when E2E tests face challenges, and minimizing the number of unit tests to focus on critical and complex logic.
Effective frontend testing emphasizes quality over quantity and focuses on critical scenarios and sections of the application to ensure proper functionality and user satisfaction.

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Medium

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Building My Digital Portfolio — Chapter 6: Personalizing Content and Dynamic Project Integration

The about.html page has been updated to reflect who the person is.
The social media section on the website now only includes LinkedIn and Medium with icons.
Videos have been added for all eight projects on the work-list.html page, along with titles and short descriptions.
Each project now opens on its own dedicated page (single-work.html) with detailed information, achieved through storing project data and rendering it dynamically.

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Dev

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Day 1127 : Traffic Jam

Started the day with an all hands meeting and got clarification on upcoming projects.
Merged a pull request and made changes to the Vue x Web Components starter project.
Worked on integrating Web Components into an Angular starter app.
Experienced a traffic jam while heading to a developer event.

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2 Likes

Medium

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Refresher: Angular’s @Input and @Output Decorators

Angular's @Input and @Output decorators enable two-way communication between parent and child components.
Using @Input, the parent component can share data with its child component.
Using @Output, the child component can notify the parent component about events.
These decorators enhance component communication in Angular, making it more dynamic and interactive.

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Dev

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Sun Header With Rising Logo Bouncing Letters Using Trig.js ☀️

Trig.js allows you to create stunning animated headers where each letter bounces into place as you scroll.
The background sun scales and rotates dynamically in this example.
With Trig.js, the scroll animations are smoothly controlled and the .selected class is applied selectively to each letter based on the scroll position.
The CSS transition and class manipulation ensure that the rising effect of the selected letter is smooth and visually appealing.

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Medium

301

How to Make Money from Writing: A Beginner’s Guide to Turning Words into Wealth

Freelance writing is a fast way to earn money by providing content for companies.
Starting a blog can lead to passive income with the potential to become a full-time job.
Self-publishing e-books on platforms like Amazon KDP can earn up to 70% royalties per sale.
Copywriting is a high-paying skill that can earn beginners $100 - $500 per project, and experienced writers $1,000+ per sales page.

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