Found 40 Articles for Ruby

When we want to protect our online accounts or protect sensitive data, we use a strong password. Creating a secure, random password is a little complex but in Ruby, we can easily and quickly generate a random password. In this article, we are going to discuss how we can generate a random password using ruby, different approaches, example codes, and outputs. Generate a Random Password Using Ruby Using Ruby's rand Method Using the SecureRandom Module Custom Password Generator Since the code generates random passwords, ... Read More

Java and Ruby are two strong, significant level programming dialects broadly utilized in the tech world today. Java, an arranged language made by Sun Microsystems during the '90s, has a post in huge business level applications. Ruby, a dynamic, unraveled, open-source language made by Yukihiro "Matz" Matsumoto in Japan, is striking for its elegance and conceivability, especially found in the Ruby on Rails structure. This article will jump into the intricacies of their sentence structure, estimations, and different ways of managing programming tasks. Syntax The syntax of a programming language refers to the set of rules defining how programs written ... Read More

The software development landscape has seen a huge change over a long time, with DevOps getting to be a fundamental portion of the cutting-edge computer program delivery handle. Pointing to streamline the method of computer program advancement and operations, DevOps cultivates a culture of collaboration, continuous integration, and nonstop delivery. The choice of programming language plays a noteworthy portion in the productive utilization of DevOps, and two well-known contenders in this space are Ruby and Python. Here, we'll look at the choice, popularity, and utilization cases of Ruby and Python within the setting of DevOps.We are going to investigate their ... Read More

Puppet is a configuration management and deployment tool that serves as a safety net for IT infrastructure when SysAdmin teams become overburdened. With machine-like efficiency that humans rarely match, Puppet enables users to install multiple servers with identical specifications and thresholds, ensuring that all IT systems are maintained consistently. As a deployment tool, Puppet can autonomously install software, services, and applications on nodes. Puppet implements "Infrastructure as code, " codifying the procedures, directives, and other elements of an IT company. The tool is an important asset for expanding IT staff in even faster-growing companies. Let's start this Puppet lesson by ... Read More

Golang and Ruby are two popular programming languages used for building web applications, software tools, and more. While they share some similarities, they differ in several key areas. In this article, we will explore the differences between Golang and Ruby, and how they stack up against each other. Difference Between Golang and Ruby Syntax Golang has a C-style syntax, similar to C++ and Java, while Ruby has a more flexible syntax that is similar to Perl and Python. Golang uses curly braces to define blocks of code, while Ruby uses keywords like "end" to delimit blocks. Performance One of the ... Read More

In Ruby, there are four different types of variables that we can declare −Local VariablesInstance VariablesClass VariablesGlobal VariablesAn Instance variable has a name that starts with the @ symbol. It should be noted that the contents of an instance variable are only restricted to the object which itself refers to.An important point to note about the instance variable in Ruby is that, even if we have two separate objects that belong to the same class, we are allowed to have different values for their instance variables.Instance Variable Characteristics in RubyBefore checking how to use instance variables in Ruby, let's understand ... Read More

In Ruby, when we are using the include keyword, we are importing a module code, but we aren't allowed to access the methods of the imported modules with the class directly because it basically gets imported as a subclass for the superclass.On the other hand, when we are using the extend keyword in Ruby, we are importing the module code but the methods are imported as class methods. If we try to access the methods that we imported with the instance of the class, the compiler will throw an error.Now let's use these two keywords in a Ruby code to ... Read More

In Ruby, we use the not keyword when we want to get an expression and then invert its Boolean value. In simple words, if an expression evaluates to True, then by using the not keyword, we will get False as the result of the expression.It can be said that the not keyword works like the "!" operator in Ruby, but the only difference between them is that the "!" operator has the highest precedence of all operators and the "not" operator has the lowest.SyntaxHere is the syntax of the not keyword in Rubynot expressionNow, let's take a couple of examples ... Read More

Ruby provides a special keyword known as defined? that is used to determine if a particular object or data type is defined in Ruby or not.The defined? keyword will return a string describing its expression or argument, if the passed expression or argument is defined. It returns nil if the expression or the argument is not defined in Ruby.SyntaxThe syntax of the defined keyword in Ruby is given belowdefined? variable_nameNow, let's take a couple of examples to demonstrate how to use the defined keyword in Ruby.Example 1Consider the code shown below.# Declare the Variables programming = 2 ruby = programming ... Read More

'and' Keyword in RubyIn Ruby, we use the "and" keyword to return True if both the operands are true, and False if one or more of the operands is false. It should be noted that the and keyword is equivalent to the && logical operator, but it has lower precedence in Ruby.SyntaxThe syntax of the and keyword is shown below.expression1 and expression2Let's use the and keyword in a Ruby code and see how it works.ExampleConsider the code shown below.variable1 = "sunshine" variable2 = "$un$h1ne" # Using and keyword if (variable1 == "sunshine" and variable2 == "$un$h1ne")    puts "Learn ... Read More