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React is a popular JavaScript library for building user interfaces. It’s easy to use, and it has a lot of features. But React also has some drawbacks. One of these is that it can be difficult to detect when something goes wrong in your application. One way to solve this problem is to use React’s error boundaries feature. This allows you to specify certain points in your application where errors should be thrown, and it will help you catch crashes before they happen....

If you’re like most people, you probably use strace to track system calls and signals. strace is a powerful tool that can help you understand how your system works. Here’s how to use strace to trace system calls and signals: Start strace by typing the following command at the command prompt: strace -e ‘print("%s", argv[0])’ This will print out the value of argv[0] as a string. You can also use this command to trace system calls and signals in a specific directory: strace -D mydir -e ‘print("%s", argv[1])’ To trace all system calls in your current directory, type the following command at the command prompt: strace -T mydir Tracing a computer program is not reserved for only those who have the source code, can read it, and know how to use a debugger....

Traefik is a reverse proxy that can be used to route traffic to Docker containers. This article will show you how to use Traefik to do this. First, create a Traefik instance: trafik -c “server=1” -c “port=80” -p 8080 Next, set up the Traefik reverse proxy: trafik-reverse-proxy –server 1 –port 80 –proxy-type tcp –proxy-addr 127.0.0.1 –proxy-protocol tcp –remote-addr 127.0.0.1 Traefik is a leading reverse proxy and load balancer for cloud-native operations and containerized workloads....

Trivy is a vulnerability discovery tool that can be used to find vulnerabilities in Docker containers. Trivy is a free and open source tool that can be used on both Windows and Linux platforms. To use Trivy, first install the software on your computer. Next, open the Trivy application and select the “Docker” tab. This tab contains a list of all of the active Docker containers on your computer. To find a vulnerability in a Docker container, first select the container that you want to inspect....

If you upgraded your PC’s hardware in the past year or so, you may have noticed that your Windows 10 license is no longer valid. If you don’t have a Windows 10 license, you can still use your old license key to upgrade your PC. Here are some tips on how to use your free Windows 10 license after upgrading your PC: Log into the computer and open the Start menu....

The 2021 Rose Parade will be held on New Year’s Day, and there are a few ways to watch the parade online. If you’re in the United States, you can watch the parade live on ABC or NBC. If you’re in Canada, CBC will be airing the parade live. If you’re in Europe, the parade will be televised live on Eurosport. If you want to watch the parade from a different location, there are a few ways to do that....

Apple II BASIC programs can be written in a web browser using the following steps: Choose a web browser. Type “apple II BASIC” into the address bar and press return. A web page will appear that contains the Apple II BASIC program you just wrote. Of course, if you have a real Apple II, you can follow along, as well. Otherwise, we’ll be using a handy Apple II emulator called Apple ][js created by Will Scullin....

There are pros and cons to spending less on an Android phone. Some people find that they save money by not buying a new phone every year, while others find that they save more by using a lower-cost model. Ultimately, the decision comes down to what is best for you and your budget. Cheap Android phones are quickly becoming commonplace—for as low as $99, you can get a reliable, initially-impressive handset that you’re free to take to a bunch of different carriers....

There is no definitive answer to this question, as the safety of a browser is ultimately up to the individual user. However, based on our research, we believe that Microsoft Edge is generally more safe than Chrome or Firefox. First and foremost, Microsoft Edge has been specifically designed for online security and privacy. This means that it features features features like a private browsing mode and an encrypted connection that make it much more difficult for third-party developers to track your online activity....

Some gamers are wondering if the PlayStation 5 is compatible with backward compatibility, as it has been reported that some games may not work on the new console. Sony has not yet released a statement on the matter, but it seems that there may be some compatibility issues. The PlayStation 5 introduces some big improvements over the previous generation, while maintaining compatibility with most PS4 games. Unfortunately “most” isn’t “all,” so here’s what you need to know about playing older games on your PS5....

If you use Gmail and Google contacts on your desktop or laptop computer, you may want to sync them to your iPad so you can access them wherever you are. There are a few different ways to do this. The easiest way is to use the Gmail app on your iPad. Just open the app, sign in, and select your email account. Then tap the Contacts icon at the top of the screen and select Sync Contacts....

Linux is a Unix-like operating system that is used on many different platforms. It has a lot of different features and can be used on a variety of devices. One of the most popular Linux distributions is Ubuntu. Ubuntu is made up of many different software programs that are used to manage and operate Linux systems. One of the most important directories in a Linux system is the /etc/ directory. This directory contains information about the Linux system and its users....

There are a number of streaming services that offer live sports for a fraction of the cost of traditional cable or satellite TV. Here are four of the cheapest options: Netflix: Netflix offers a variety of sports channels, including ESPN, TNT, and NBA TV. The service costs $7 per month for HD streaming and $10 per month for Ultra HD streaming. Hulu with Live TV: Hulu with Live TV offers more than 50 channels, including ESPN, TNT, and NBA TV....

Resizable BAR is a feature on GPUs that allows you to resize the bars in a graphics window so that they are more easily visible. This can be helpful when you want to see more information at a given time, or when you need to make changes to the layout of your graphics window. However, Resizable BAR can also be dangerous if used incorrectly. If you use Resizable BAR in an environment where it could potentially cause harm (such as while playing a game), be sure to use caution and always take appropriate measures to avoid any potential damage....

NTSC stands for North American Television Standards Committee. PAL stands for PAL International. NTSC is the older standard, while PAL is the newer standard. Americans Use NTSC; Everybody Else Uses PAL At an elementary level, NTSC is an analog TV color system used in North America, Central America, and parts of South America. PAL is an analog TV color system used in Europe, Australia, parts of Asia, parts of Africa, and parts of South America....

Apple’s newest MacBook Pro is a powerful and stylish device that professionals will want in 2021. The new design features a sleek, modern look that is sure to turn heads. The new MacBook Pro also has an updated processor and graphics that will make it the best choice for professional use. Apple Finally Listened If there’s one firm take-away from the 2021 MacBook Pro refresh it’s that Apple is finally taking on board many of the criticisms that the company has received over the past five or so years....

When photographing the moon, it is important to be aware of the following: The moon is a natural object and should be photographed in its natural environment. This means photographing it in full light, without any artificial light sources. When photographing the moon, use a tripod and keep your camera at an angle that will allow you to capture all of its features evenly. Use a wide-angle lens to capture more detail in the moon’s surface and surroundings....

If you’re like most people, you probably have a web browser open and a few apps installed on your Mac. But what if you want to use one of those apps as your primary web browser? That’s easy - just add the app to the Dock and it will open in that app’s window. There are some websites like Netflix or Twitter that you might want to turn into “apps” with a direct Dock icon on your Mac....

If you want to print multiple pages in a word document, there are a few different ways to go about it. The first way is to use the Print command in the Word toolbar. This will open the Print dialog box, where you can specify the number of pages you want to print and the printer you want to use. The second way is to use the Page Setup command in the Word toolbar....

QR Codes are shortcodes that can be used to encode text or images into a barcode. They can also be used to identify products or services. To create a QR Code, open Bing and type in the following URL: https://www.bing.com/search?q=qr+codes&FORM=CODE&q={searchTerms}&FORM=STRING&q={itemUrl} For example, if you wanted to create a QR Code for “apple products”, you would type in the following URL: https://www.bing.com/search?q=apple+products&FORM=CODE&q={searchTerms}&FORM=STRING&q={itemUrl} If you’ve ever needed to create a QR code but you didn’t know how, Microsoft has an easy-to-use tool available in any web browser through its Bing search engine....