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Mastering and Learning HTML & CSS in 2025

CSS Subgrid, Container Queries, CSS Nesting, and Logical Properties are among the modern technologies and trends in HTML & CSS in 2025.
Project-based learning, following experts, reverse-engineering websites, mastering browser DevTools, using AI tools, and contributing to open source are the best ways to learn HTML & CSS in 2025.
Keeping it semantic and accessible, using modern layout techniques like Grid & Flexbox, optimizing for performance, embracing dark mode and theming, and testing responsiveness efficiently are the best techniques for writing modern HTML & CSS.
HTML and CSS are evolving rapidly in 2025, offering more powerful and flexible ways to build web applications. Developers are encouraged to stay updated, experiment, and build amazing web experiences.

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Dev

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Is Your Code a Swiss Army Knife or a Master Blueprint? Unraveling the Mystery of Interfaces vs. Abstract Classes

Interfaces and abstract classes are both important constructs in object-oriented programming.
Interfaces provide flexibility and allow multiple implementations, like a versatile Swiss Army knife.
Abstract classes provide a detailed framework for design, like a custom-built blueprint for a treehouse.
Interfaces are popular in modern Java programming as they allow for mixing and matching behaviors.

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Medium

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You’re Not Interviewing the Company

Software developer interviews are often presented as two-way conversations, but they are often controlled by the company's agenda.
Candidates have limited ability to ask questions or assess the company during the interview process.
The company can ask anything, making it difficult to learn about the company's culture or values from their questions.
As a result, candidates may unknowingly ask questions that harm their chances of getting the job.

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Dev

311

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How to get your pet projects done

Overcomplicating things can be a major barrier to finishing pet projects.
Setting a clear MVP (Minimum Viable Product) is crucial to stay focused on the main goal.
Use agile tools like Kanban to organize and prioritize tasks outside the MVP.
Seeking feedback from niche communities can lead to valuable insights and opportunities for collaboration.

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Medium

361

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Lines That Don’t Have to Be Perfect

The narrator's journey of discovering his artistic talent by drawing with his daughter and realizing his improvement.
Overcoming perfectionism and embracing mistakes while creating art changed the narrator's perspective.
Observing imperfections in others' artwork helped the narrator see the beauty in imperfection and accept his own flaws.
The experience of learning to appreciate the process over perfection transformed the narrator's thinking.
Recognizing that creativity doesn't have to be flawless but honest and completed shifted the narrator's mindset.
The narrator shares the realization that 'Done is. Honest is. Finished is.' is more meaningful than striving for perfection.
The narrative delves into the themes of self-acceptance, growth, and valuing progress over perfection in the creative process.
The article highlights the importance of letting go of perfection and embracing imperfections as part of the creative journey.
The narrator hopes to teach his daughter the value of self-acceptance and enjoying the creative process regardless of imperfections.
The essay concludes with a hopeful message that it's acceptable to be a work in progress and to appreciate the journey of growth.

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Medium

Python vs Julia: A Beginner’s Take

Julia is a programming language built for high-performance numerical and scientific computing, with a powerful type system and support for multiple dispatch.
It compiles to efficient machine code using LLVM and has packages like DifferentialEquations.jl, Makie.jl, and JuAFEM.jl, making it a strong choice for simulations.
One of the key features of Julia is its efficient array manipulation capabilities, which is essential for many simulation codes.
Julia is a serious contender for numerical computing and can complement the workflow of computational modelers, data scientists, and engineers seeking faster performance.

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Dev

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Dart - applying zero objects and isEmpty pattern to everything

The author shares their experience of using the isEmpty or isNotEmpty functions in Dart, which simplifies null and length checks for strings, lists, maps, and more.
They propose using the zero/empty value pattern for various cases, reducing the need for null checks in many situations.
They demonstrate the pattern using extensions in Dart for strings, lists, maps, and numbers.
The author concludes that applying the zero object and isEmpty pattern across different types can lead to a simpler API and clearer default value handling.

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Dzone

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A Systematic Approach for Java Software Upgrades

The article emphasizes the importance of software systems facilitating evolution in functionality and technological upgrades, particularly in domains like finance, e-commerce, and transportation.
A systematic approach to Java software upgrades is discussed, focusing on upgrading technology without altering business functionality.
The article details a software upgrade project for an airline operations subdomain using Java, J2EE technologies, and various open-source software libraries.
Different technologies used in the application, including Java, EJB, and Oracle RAC, are highlighted in the 'As Is Technology Landscape' diagram.
Java upgrading considerations and the roadmap for Java SE support, with a focus on targeting Java 21 for the upgrade project, are explained.
Transitioning from Java EE to Jakarta EE for active enterprise Java development and upgrading EJB specifications to enhance compatibility with newer releases are discussed.
An approach for EJB upgrade using Hibernate and JPA implementations is outlined, along with considerations for upgrading the application container like WildFly.
The article addresses the dilemma of choosing component and container versions for technology upgrades, emphasizing the need for compatibility analysis.
A structured approach to reveal version compatibility using diagrams is explained, guiding the decision-making process for selecting compatible software versions.
The iterative project execution steps for technology upgrades are listed, including aligning container runtime, upgrading libraries, and conducting validation processes.
The conclusion underscores the importance of structured approaches and previous experience in planning and executing technology upgrade projects for software applications.

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Medium

374

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Goodbye Async-Std, Welcome Smol

The async Rust ecosystem saw a major shift as the popular async-std crate was officially deprecated.
Async-std users are advised to migrate to smol, a lightweight and efficient alternative with a similar API structure.
Smol prioritizes simplicity and predictable performance, making it a natural successor to async-std.
The transition from async-std to smol is straightforward due to their shared API layout.
Smol allows async operations without the need for manually setting up an executor.
The deprecation of async-std signifies a step towards a more consolidated async Rust ecosystem.
Kani Rust Verifier is a model checker for Rust that enhances code scrutiny and reliability beyond traditional testing.
CodeCrafters offers advanced Rust courses covering real-world projects like Git, Docker, Kafka, and more, for skill enhancement.
Readers are encouraged to participate in challenges like reversing words in place and exploring Rust projects and courses.
Overall, the newsletter highlights the evolution of async Rust tools, verification methods, and educational resources for Rust developers.

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Medium

442

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Depth Perception with Stereo Cameras: Epipolar Geometry and Disparity Map

Stereo imaging involves capturing a scene from two different angles to determine depth information, similar to human vision.
Stereo camera systems use two cameras at a fixed distance to calculate object depth based on the positional disparity between images.
Rectification aligns epipolar lines horizontally, simplifying matching processes and enabling easier disparity calculation.
The Depth from Disparity Formula, based on the difference in x-coordinate of objects, helps calculate distance in stereo vision.
Epipolar geometry establishes the geometric relationship between images from different angles, facilitating point matching.
The Fundamental and Essential matrices aid in finding the transformation between cameras and calculating accurate epipolar lines.
Stereo rectification corrects images for alignment, crucial for accurate depth calculations in stereo vision systems.
The process for depth calculation involves steps like epipolar geometry computation, homography, disparity matching, and depth calculation.
Cameras parallelly aligned simplify matching calculations, while angled cameras complicate epipolar geometry and demand additional rectification.
Understanding epipolar geometry is crucial for successful stereo imaging applications and accurate depth map generation.

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Dev

248

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Configurations? Forget about it!

Setting up development environment involves configurations like local DB host, port, file paths, and service URLs.
Typically, developers face challenges with configurations leading to cycles of adjustments and server restarts.
Reading configuration from files like application.properties is a common practice but can be cumbersome.
A more efficient approach involves a 'util' class to read config values by key.
Changing config values dynamically without server restarts can be achieved through file reloading or caching.
Performance improvements can be made by implementing caching or storing config data in a database.
Concurrency in accessing config values can be managed through file system settings or DB transactions.
Permissions for config access can be controlled in a DB based on roles and teams.
Kiponos.io offers a solution with a Java SDK and Web Admin for real-time config management with WebSocket communication.
The service provides a centralized platform for config updates based on user roles, team membership, and active environments.

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Dev

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Trig.js Featured on CodePen Homepage! 🎉

Trig.js, a library showcasing animations with dynamic direction changes, has been featured on the CodePen homepage.
The showcased Pen demonstrates how to control Trig.js CSS scroll animations with JavaScript to enable dynamic movement while scrolling.
The creator of Trig.js appreciates the community's support and invites more individuals to try the library and share their creative animations.
The Trig.js library can be accessed on GitHub.

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Dev

401

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Tech Tip Wednesday: 5 Ways to Speed Up Your Next.js App

Use Dynamic Imports & Lazy Loading
Optimize Images with Next.js Image Component
Enable Automatic Static Optimization
Reduce Bundle Size with Code Splitting
Leverage Edge Functions & Middleware

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Dev

325

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Understanding Hoisting in JavaScript: Why Can We Use `var` Before Declaration?

Hoisting is JavaScript’s default behavior of moving variable and function declarations to the top of their scope before execution.
Variables declared with var are hoisted but initialized with undefined, meaning you can reference them before declaration, but they won't hold their actual value until the assignment line is executed.
let and const variables are hoisted but not initialized, so accessing them before declaration results in a ReferenceError.
Function declarations are fully hoisted, meaning they can be called before being defined.

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Dev

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Understanding Your Audience as a Software Engineer

Software engineering involves more than just coding, requiring collaboration and understanding of diverse audiences.
Effective collaboration in software engineering is crucial, necessitating social skills and adaptability within a team environment.
Developing the skill of understanding different audiences requires real-world experience in recognizing patterns and adapting to situations.
Interacting with roles such as CEO/CTO, Engineering Managers, Product Managers, and other team members is essential in software engineering.
Core audiences for a software engineer include users, other developers, and computers, each requiring a unique approach.
Coding primarily serves humans rather than machines, emphasizing the importance of clear, maintainable code for effective collaboration among developers.
Collaboration with machines also plays a vital role in coding, focusing on aspects like memory management, error handling, scalability, and efficient use of resources.
Mastering debugging, leveraging observability tools, and utilizing the right toolset are essential for effective collaboration with machines in software development.
Respecting and prioritizing core audiences by writing intuitive, maintainable, and optimized code is crucial for the success of users, developers, and machines.

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