Problem Given the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its centre). Approach To verify symmetry: Left subtree of the root must be a mirror of the right subtree. This means: Left child matches right child Left’s left matches right’s right Left’s right matches right’s left…
বর্তমানে ইন্টারনেট ব্যবহার করতে গেলে বিজ্ঞাপনের সমস্যায় সবাই কমবেশি ভুগে থাকেন। অনেক ওয়েবসাইট ও অ্যাপ নানা ধরণের বিজ্ঞাপন দেখায়, যা শুধু বিরক্তিকরই নয়, অনেক সময় বিপজ্জনকও হতে পারে। AdGuard DNS হলো একটি কার্যকরী সমাধান, যা কোনো অতিরিক্ত সফটওয়্যার ছাড়াই বিজ্ঞাপন, ট্র্যাকার ও ক্ষতিকর ওয়েবসাইট ব্লক করতে পারে। এই ব্লগ পোস্টে, AdGuard DNS কীভাবে কাজ করে,…
A new overview trailer for Kirby and the Forgotten Land – Nintendo Switch 2 Edition + Star-Crossed World has been released The trailer offers a new look at Switch 2 enhancements, new stages, Mouth Mode Transformations, and more A new boss rush challenge called The Ultimate Cup Z EX has also been revealed Nintendo has…
Can you believe it? Little Bobby is all grown up in King of the Hill season 14, which takes us back to the beating heart of Middle America. It’s not surprising considering the show had a release date of August 4 – almost exactly 16 years after it initially stopped airing in 2009. Set in…
The Made By Google event is just around the corner – it’s happening August 20 – but some of the tech launching from it might be further away than we had realized if new leaks are to be believed. That’s according to WinFuture (machine translated to English from German), which claims that its unnamed sources…
Short answer: Yes. Cookie-based tracking is dead. Chrome killed third-party cookies in 2024. Safari blocked them years ago. Firefox follows suit. The tracking era is over. But panic selling isn’t the answer. Smart brands already moved on. The Death Certificate Apple’s iOS 14.5 started the funeral. App tracking transparency killed Facebook ads overnight. Billions in…
Building your own Dynamic DNS (DDNS) server can be a rewarding project, giving you full control over your domain name and its IP address mapping. It’s a great way to access your home network resources (like a web server, VPN, or media server) from anywhere in the world, even if your Internet Service Provider (ISP)…
In recent years, user interface (UI) design has undergone a dramatic shift with the rise of dark mode. Once seen primarily in code editors or gaming interfaces, dark mode is now available in operating systems, web apps, and mobile applications. But as it gains popularity, a longstanding debate continues: **Light mode or dark mode **which…
The sweltering dog days of summer will soon be upon us in the northern hemisphere, and that means one thing: staying indoors with the fans blasting, curtains drawn, with one of the best streaming services pulled up on the TV. While the cost of paying for every single streamer continues to steadily mount, with increased…
The Samsung Galaxy S26 Ultra might be able to capture 47% more light than the S25 Ultra with its main camera This could massively improve low-light photos It might also support 60W charging Two new leaks could spell good news for the Samsung Galaxy S26 Ultra, as they point to improvements to both the main…
