How to open various desktop applications from nodejs

The most commonly opened resources in a program are files, urls and database connections. he ‘Opn’ package allows you to open stuff like websites, files, executables in their respective desktop applications. The package is cross-platform.

I usually use the package during testing phase – opening various resources, mostly images and text files after execution of a program.
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How to check for DNS server speeds

As you may know DNS is a system by which a browser or other software converts a domain name to a IP4 or IP6 address. Each time we access a website the browser needs to convert the domain name to a IP4/IP6 address using a DNS server. The DNS server configured on your computer could be automatically selected by your service provider or hard-coded. A fast DNS server is one of the essential elements to a faster browsing experience.
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