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Key takeaways Full-stack developer interview questions may cover Python, HTML, CSS, and JavaScript, callback hell, continuous integration, DevOps, and the key skills for this role. Full-stack developer interview questions help the interviewer evaluate your coding knowledge, teamwork skills, ability to handle complex problems, and your process for improving software. You can prepare for a full-stack … Read more
Let’s learn about via these 417 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the or to find the most read blog posts about any technology. Cascading Style Sheets (CSS) – easier than you think. 21 Awesome DEV portfolios for your inspiration In this guide, we’ll be covering how you can … Read more
It has been claimed many times that modern CSS is Turing complete – that is, it is a full programming language that you can use to do anything. Now we have more proof – a web page with nothing but CSS that runs x86 assembler. In principle, the web consists of HTML, CSS and JavaScript. … Read more
Front-end development in 2026 demands components that respond to their surroundings, not just the browser window. CSS container queries and subgrid, now fully supported across all major browsers (container queries: Chrome 105+, Firefox 110+, Safari 16+; subgrid: Chrome 117+, Firefox 71+, Safari 16+), make this achievable without a single line of JavaScript. Together, they enable … Read more
Let’s learn about via these 73 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the or to find the most read blog posts about any technology. Bootstrap is a popular open-source CSS framework directed at responsive, mobile-first front-end web development. It matters for accelerating UI development by providing pre-built components and … Read more
Jul 09, 2026 16:29:00 Cloudflare, a major CDN provider, released a static site deployment service called ‘ Cloudflare Drop ‘ on July 8, 2026. It allows you to publish a website using Cloudflare’s CDN simply by dragging and dropping HTML files, and you can even try a 60-minute trial without creating an account. I found … Read more
A critical vulnerability in Opera GX that allowed attackers to exfiltrate sensitive user data, including Gmail addresses, from any website simply by having a victim visit a malicious page. The flaw, patched by Opera on May 8, 2026, required no user interaction, no JavaScript execution, and no traditional bug to exploit. The vulnerability stems from … Read more
Researchers found a flaw in , the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use it to lift specific data from the pages a victim visits. In a proof of concept, they reconstructed a signed-in user’s full Gmail address from a single visit, with no click. … Read more