Ruby Times Do

A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide other varieties of gem quality corundum are called sapphires ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond.

Ruby times do.

The each iterator returns all the elements of an array or a hash. Ruby program that benchmarks iterator for loop count 750000 n1 time now usec version 1. The loops in ruby are. Iterates the given block int times passing in values from zero to int 1.

Puts n2 n1 1000 puts n3 n2 1000 output 750000 750000 61 time in ms. For instance you want to print a string ten times. Repeating something many times in this lesson you ll learn 7 ways to write loops in ruby. The word ruby comes from ruber latin for red.

Static value int ord value num return num. 1learning ruby2understanding variables3working with collections4if else conditional statements5ruby loops. The color of a ruby is due to the element chromium. The each loop is perhaps the most useful of all the loops.

It iterates over a specific range of numbers. Usr bin env ruby 3 times do puts this will be printed 3 times end print enter a number. The only thing you have to do is to setup a loop to execute the same block of code a specified number of times. Syntax collection each do variable code end.

Repeating something many times6thinking like a programmer7object oriented programming download ebook ruby loops. This method is intended for compatibility to character literals in ruby 1 9. Use times iterator v 0 count times do v 1 end puts v n2 time now usec version 2. V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings.

Let s look at these in detail. For example a ord returns 97 both in 1 8 and 1 9. Each loop will take a list of variables and run a block of statements for each of them. We will be discussing two iterators here each and collect.

For loop is preferred when the number of times loop statements are to be executed is known beforehand. Num gets chomp to i num times do puts ruby is great end the each loop. If no block is given.

In ruby arrays and hashes can be termed collections.