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 generate UUID / GUID in Java
How to generate UUID / GUID in Java using java.util.UUID class, UUID.randomUUID() method.
How to marshal a JAXB object into org.w3c.dom.Document
How to marshal a JAXB object into org.w3c.dom.Document using Transformer class and formatted console print.
How to convert a roman number in decimal in Java
How to convert a roman number in decimal in Java. The symbols used are I, V, X, C, D and M.
How to generate a fixed length random string using Golang
How to generate a fixed length random string using Golang using a dictionary of chars.
How to generate random numbers in a range using Java
How to generate random numbers in a range using Java. A simple method using SecureRandom, class.
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