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…
Nvidia and board partners are reportedly set to drop RTX 5000 series GPU prices across online retailers This is supposedly due to low sales and oversupply, after months of price inflation This comes amid another rumor that suggests Nvidia will soon launch Super GPU models for the Blackwell lineup Scalpers have been out of the…
However, after doing this, I ran into a strange issue: some Python programs (specifically those using dnspython) could no longer resolve domain names. Here’s how I diagnosed and fixed the problem. Originally Posted on Ashraful’s Blog 🔍 The Problem To route DNS through Pi-hole, I disabled systemd-resolved: sudo systemctl disable –now systemd-resolved My home server…
Have you ever clicked a short link and wondered how it knows where to take you? Short URLs, like those from Bitly or TinyURL, seem simple, but they hide a lot of work. Let’s look at how URL shorteners work. What URL Shorteners Do A URL shortener does one main thing: It takes a long…
Hey Devs! 👋 AI is no longer optional—it’s the power-up your projects need in 2025. Whether you’re building apps, automating workflows, or improving UX, these tools will help you move faster, smarter, and with less boilerplate. ✅ 1. OpenAI API (GPT-4.1 & Beyond) ✔ Best for: Chatbots, text generation, code assistance ✔ Why: Reliable, versatile,…
Problem You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Example 1: Input: n = 2 Output: 2 Explanation: There are two ways to climb to the top. 1 step…
Problem Given a non-negative integer x, return the square root of x rounded down to the nearest integer. The returned integer should be non-negative as well. You must not use any built-in exponent function or operator. For example, do not use pow(x, 0.5) in c++ or x ** 0.5 in python. Example 1: Input: x…
Ao contrário do que muitos tutoriais sugerem, alterar apenas a porta SSH ou instalar Fail2Ban não é suficiente. Esta documentação mostra os passos exatos para endurecer a segurança de um servidor Ubuntu / Debian configurando autenticação por chave, desabilitando padrões inseguros e reduzindo a superfície de ataque. Autor: joaoprd | joaopedrord2001@gmail.com Criar usuário administrador seguro…
