let vs. var vs. const in JavaScript
In JavaScript, we can create a variable using three keywords: let var const What is Scope? Scope is the accessibility during runtime of variables, fun...
What is a pass statement in Python?
A pass statement is an empty/null statement that is considered as a placeholder for future code. When a user doesn’t want to write a code, or is not a...
What are shallow and deep copies?
Shallow copy In a shallow copy , the references of an object are copied in another object when we copy the object. The referenced object itself is not...
What is a uniform cost search algorithm?
Search algorithms are used to resolve search problems. For example, search for the shortest path between two given points, searching for a goal, and s...
uniform cost search
ucs
algorithm
How to check for Palindrome numbers in Java
A palindrome number is a number that has the same value as that of the original number when reversed, e.g., 121, 111, 1223221. If you were to reverse ...
How to setup AWS VPC
AWS virtual private cloud (VPC) is a service provided by AWS that allows you to create and manage your virtual network infrastructure within the AWS c...
aws
vpc
virtual private cloud
amazon
cloud
Deep copying vs. shallow copying
Let’s take two objects of the same type (A and B) where the contents of A are to be copied into B. Let’s see how this copying will take place in the c...
What is an arrow function in JavaScript?
Arrow function or an arrow function expression is a more concise syntax for writing regular function expressions that allow us to write shorter and n...
Deep learning
Deep learning is a subset of machine learning that involves using artificial neural networks to imitate the structure and the function of a human brai...
machine learning
ai
artific
data science
Vue vs. React
React is a JavaScript UI framework created by Facebook and made open source in May 2013. React is significantly more popular than Vue; at the time of ...
What is is.na() function in R?
Overview is.na() is used to deal with missing values in the dataset or data frame. We can use this method to check the NA field in a data frame and he...
What are the basic fundamental concepts of programming?
Key takeaways: Programming fundamentals include core concepts like variables, syntax, data types, flow control, and debugging which are common across ...
data structures
oop
programming
How to implement routing in Next JS
Key takeaways: Routing in Next.js is implemented using the Pages Router, which is based on the pages directory. Each file within this directory corres...
How to represent arrays in YAML
Key takeaways: Arrays are fundamental data structures used to store a collection of values. YAML provides two styles for representing arrays: block se...
What is the COCOMO model?
COCOMO stands for the constructive cost model, a cost estimation model for software projects based on LOC. The number of lines of code The COCOMO mode...
Array operations in Python
In Python, arrays are collections of elements of the same type stored in contiguous memory locations. Using Python's array module, you can perform var...
What is a cyclic sort algorithm?
Key takeaways: Cyclic sort is a comparison-based, in-place sorting algorithm designed for arrays with a fixed range of values, making it both efficien...
cyclic-sort
sorting-algorithm
array sorting
What is a 3-D array?
Arrays are used to store data and information on various data types. The greatest advantage of arrays is that they allow all data to be accessed in O(...
arrays
3d arrays
3d arrays java
3d arrays c++
What are control flow statements in Python?
Key takeaways: Control flow regulates the execution order of code using sequential statements, decision-making (e.g., if , if-else , nested if , if-el...
What are the roles of a systems analyst?
Systems analysis is applied information technology. It tries to decompose a system into various components, studies the various components to identif...