Unified Modeling Language (UML) diagrams
Unified Modeling Language (UML) diagrams are graphical representations used in software engineering to visually model and describe systems. They provide a standardized…
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How the ANY? method works – Ruby
This is a Ruby method definition for `any?`. Here's what each line does: 1. `def any?(&block)`: This line defines a method named…
Creational design patterns
Let's delve deeper into each of these creational design patterns: 1. **Simple Factory:** - **Purpose:** This pattern helps in creating instances of…
Composition, Inheritance, and their differences with examples – Ruby
Let's break down composition, inheritance, and their differences with examples. ### Composition: **Definition:** Composition is a principle in object-oriented programming (OOP) that…
What are Private Methods? – Ruby
A private method in object-oriented programming is a method that can only be called from within the same class or from its…
4 Principles of OOP in Ruby
Let's break down these concepts in a straightforward manner: 1. **Encapsulation:** Think of an object (like a class in programming) as a…
Explanation on how the ‘all?’ method works in Ruby
def all?(&block) each { |item| return false unless block.call(item) } true end This is a Ruby method definition for `all?`. Here's…
Difference between Stack and Heap in C
In C, the stack and the heap are two areas of memory used for different purposes. Here are the key differences between…
Dom Selectors
1) Universal Selector The universal selector is denoted by * that matches all elements of any type: * The following example uses the querySelector() selects the…
Bootstrap 5 CheatSheet
COLORS & TYPOGRAPHY lead - makes the text a paragraph text that is slightly larget thatn th usual paragraph text text-center, text-start,…
SASS (CSS Preprocessor)
Sass, or Syntactically Awesome Style Sheets, is a powerful and popular CSS preprocessor that makes writing stylesheets easier and more efficient. Sass…
DNS Servers
What is a DNS server? The Domain Name System (DNS) is the phonebook of the Internet. When users type domain names such as ‘google.com’…