How to read CSV file in Golang
How to read CSV file in Golang using reader from encoding/csv package. For this example we took an simple example of a CSV file containing three columns name, address and phone.
How to measure execution time in Golang
To mesure the time used by an application in Golang or of a code section the functions time.Now() and time.Since() can be used.
How to generate a random int in Golang
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)
How to delete the Windows.old folder from Windows 10
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.
How to change DNS settings from command line
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.
How to change computer's IP address from command line
The command line tool used to change the IP address 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
