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Creating a Calculator app using React/Next

Creating a Calculator app using React/Next

In this post, we will build a simple React app using Next.js. Nothing complicated, just a simple calculator app that will demonstrate a number of features of React. Note that the full source code can be found at the link given at the end of this post. The calculator will start off simple, just add, subtract, multiply and divide. Maybe we will add something later. We'll start by getting the environment setup. For Next, you need to have node version 18 or later. I am using 20.10. Next.js will setup the default project structure for you. This is recommended, so…
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Russia and Venezuela have blocked encrypted messaging app Signal

Russia and Venezuela have blocked encrypted messaging app Signal

Both Russia and Venezuela have blocked access to the encrypted messaging app Signal, .The Russian news service broke the news about the block on the Signal app in Russia. Russia’s telecommunications watchdog Roskomnadzor restricted the app due to “violations of the requirements of the Russian legislation whose fulfillment is necessary to prevent the use of the messenger for terrorist and extremist purposes,” according to the Russian report.The cybersecurity tracker on Friday that Russia has restricted access to Signal “on most internet providers.” NetBlocks also noted the app “remains usable with ‘censorship circumvention’ enabled” in Signal’s settings echoing to users who’ve…
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Researchers discover potentially catastrophic exploit present in AMD chips for decades

Researchers discover potentially catastrophic exploit present in AMD chips for decades

Security researchers have found a vulnerability in AMD processors that has persisted for decades, . This is a fascinating security flaw because it was found in the firmware of the actual chips and potentially allows malware to deeply infect a computer’s memory.The flaw was discovered by , who are calling the AMD-based vulnerability a “Sinkclose" flaw. This potentially allows hackers to run their own code in the most privileged mode of an AMD processor, System Management Mode. This is typically a protected portion of the firmware. The researchers have also noted that the flaw dates back to at least 2006…
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Navigating the AI World: Lessons from My Internship at Mihira AI

Navigating the AI World: Lessons from My Internship at Mihira AI

Diving into AI isn’t just about crunching numbers or running algorithms—it’s about understanding complex systems, embracing challenges, and learning from every experience. During my internship at Mihira AI, I had the opportunity to do all of that, and more. In this post, I’ll share how my work on AI models shaped my skills, the importance of a supportive team, and why consistency is key in tech. Learning AI the Practical Way My workday typically wrapped up by 5 or 6 PM, but those hours were packed with learning. Whether I was fine-tuning models or solving complex problems, each task taught…
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Oxford scientists’ new light-absorbing material can turn everyday objects into solar panels

Oxford scientists’ new light-absorbing material can turn everyday objects into solar panels

Oxford University scientists may have solved one of the greatest hindrances of expanding access to solar energy. Scientists from the university’s physics department have created an ultra-thin layer of material that can be applied to the exterior of objects with sunlight access in place of bulky silicon-based solar panels.The ultra-thin and flexible film is made by stacking layers of light-absorbing layers of perovskite that are just over one micron thick. The new materials are also 150 times thinner than a traditional silicon wafer and can produce 5 percent more energy efficiency than traditional, single-layer silicon photovoltaics, according to a statement…
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Save $150 on our favorite Ooni pizza oven, plus the rest of this week’s best tech deals

Save $150 on our favorite Ooni pizza oven, plus the rest of this week’s best tech deals

As we did last Friday and the Friday before that (and shall continue to do until the internet turns itself off), we have rounded up the best deals we spotted this week and put them in one convenient location. These are the tech gadgets we have used, reviewed and recommend that happen to be seeing worthwhile discounts at the moment. This week, a bunch of Apple gear went on sale, some of it new, some of it older, such as the 2024 MacBook Air with the M3 chip for $250 off and the 2021 9th generation iPad for $100 under…
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LEARN VIM

LEARN VIM

Vim is a modal text editor for writing code, where you navigate round the screen with a keyboard instead of a mouse. Highly configurable Vim text editor is a favorite among system administrators and programmers. It is well-known for being strong and effective, but it requires a lot of study, particularly for inexperienced users. Because Vim is based on an older editor named Vi, the terms "Vi/Vim" are frequently used interchangeably. It was called VI - a Linux text editor which came about in 1976 by BILL JOY. Then it was improved in 1991 by BRAM MOOLENAAR. WHY WOULD I…
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Warner Bros. sends Cartoon Network’s website to the digital graveyard

Warner Bros. sends Cartoon Network’s website to the digital graveyard

Warner Bros. Discovery has pulled Cartoon Network’s entire website from the web, which means that you can no longer access free episodes and other interactive content. Instead, visitors to CartoonNetwork.com are redirected to , Variety reported.The Cartoon Network website offered full, free episodes and clips of some of its most popular shows including Adventure Time, The Amazing World of Gumball, Teen Titans GO! and Steven Universe. Now if you need a quick fix of those shows, you’ll have to get on Max, pay for them on another digital streaming service or dig up a copy from your stash of old…
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What is Canvas in Web Development & Advance usage of it?

What is Canvas in Web Development & Advance usage of it?

The <canvas> element in HTML is used to draw graphics on a web page. It provides a space on which you can use JavaScript to draw shapes, text, images, and other objects. The <canvas> element is often used for rendering 2D graphics, and it can also be used to create more complex visual content such as games, data visualizations, and interactive animations. Basic Usage of Canvas To use the <canvas> element, you need to: Add a <canvas> element to your HTML: <canvas id="myCanvas" width="400" height="300"></canvas> Access the canvas using JavaScript: const canvas = document.getElementById('myCanvas'); const ctx = canvas.getContext('2d'); // 2D…
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Nicolás Maduro bans X in Venezuela for 10 days amid Elon Musk dispute

Nicolás Maduro bans X in Venezuela for 10 days amid Elon Musk dispute

Venezuela's president Nicolás Maduro has blocked in the country after claiming that the platform's owner had incited hatred and "violated" his own social network's rules. "Shame on Dictator Maduro," , who that the incumbent president had committed "major election fraud."Maduro, who also argued that his rivals were using the platform to stoke political unrest, said he greenlit a proposal by the national telecoms authority to "remove the social network X, formerly known as Twitter, from circulation in Venezuela for 10 days." That's according to the , which said its reporters in the country were unable to access X after the…
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