
Sliding Window Fundamentals: Solving 'Longest Substring Without Repeating Characters'
How to solve Longest Substring Without Repeating Characters with sliding window basics, comparing Set and last‑seen‑index approaches in TypeScript.
Articles from more than two decades of building, rebuilding, debugging, and leading web projects.

How to solve Longest Substring Without Repeating Characters with sliding window basics, comparing Set and last‑seen‑index approaches in TypeScript.

Middleware in Next.js provides a straightforward way to protect routes and manage user authentication. Here, I show how to implement effective route protection.

place‑contentUse CSS place‑content to align grid and flex content, comparing align‑content, justify‑content, place‑items, syntax, examples, and layout limits.

Fixed quote, day rate, and retainer pricing for senior web development, explained through scope, risk, delivery, ownership, and platform quality.

Why static generation became more complex as CMS previews, ISR, cache invalidation, build queues, e‑commerce data, and platform expectations grew.

place‑itemsCSS `place‑items` is a shorthand property that aligns items inside grid and flex containers. Here, we discuss its syntax, use cases, and practical examples.

Template‑driven vs. reactive Angular forms, and how to choose the right model for validation, scale, testing, and maintainable form logic in real apps.

How e‑commerce front‑end work moved from Liquid templates to headless storefronts, and what teams risk when they underestimate data, checkout, and operations.

Converting between camel case, snake case, kebab case is a common task in JavaScript. Here, I explore methods using regular expressions and string manipulation.

How to solve Trapping Rain Water with the two‑pointer approach, and the simple invariant that makes the O(n) solution click under interview pressure.

A practical look at AI in web development, where it helps, where it creates review burden and why generated code still needs senior judgement.

How lazy loading in Angular improves performance, where route‑level splitting helps most, and how to avoid messy boundaries and loading states in larger apps.

Temporal Dates and Times APIA practical look at JavaScript Temporal, why Date is awkward, and how clearer date, time, time zone, duration, and parsing APIs improve modern code.

Next.js vs. Remix compared properly, across routing, data loading, mutations, caching, and the architectural trade‑offs teams actually feel in production.

Compare horizontal and vertical scanning for Longest Common Prefix in TypeScript, including complexity, edge cases and when each method is clearer.

Solve Merge Intervals in TypeScript by sorting ranges, merging overlaps, handling touching intervals, preserving inputs, and avoiding common mistakes.

:where() FunctionThe CSS `where()` function groups selectors without specificity, simplifying overrides. Here, I explain its use, benefits, and why it can reduce code clarity.

Angular signals explained properly, from computed values and effects to where they simplify state, templates, and change detection without replacing RxJS.

Using Companies House data to generate speculative email addresses is illegal under GDPR and PECR. I explain why personal email misuse violates privacy laws.

How Vue Suspense handles async components and loading states, where it helps, where it falls short, and what still needs extra care in production.

A technical discussion about the key differences between declarative and imperative programming, focusing on development with JavaScript, ES6, and React.