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In Golang there a are two libraries for generating random integers, one is a pseudo-random number generator (package math/rand) and the second one is cryptographically secure random number generator (package crypto/rand)

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How to trim (remove) leading and trailing whitespace from string in Golang using the TrimSpace, Trim, TrimLeft, TrimRight methods from strings package.

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How to fix the E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) error.

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If you recently update your OS to Windows 10, you might notice that you are running out of space. If this is happening it might be because the old version of the Windows is not yet deleted from the disk, it is stored into "Windows.old" folder. And depending on the size of that version, it could be taking a lot of precious space.

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Here are two simple methods to get the dimensions of an image in Golang: using image.DecodeConfig method if the image is not already loaded and image.Decode method is the image is loaded.

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The command line tool used to change the DNS settings is netsh which allows you to configure just about any aspect of your network connections in Windows. In order to use the tool the command line needs to be started as Administrator.

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