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 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 tree sort?
The tree sort is a unique sorting algorithm that uses the binary search tree for sorting purposes. The algorithm of the tree sort builds a binary sear...
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...
What are sparse arrays?
Key takeaways: Sparse arrays are designed to efficiently store and process data structures with many zero values, improving space and time efficiency....
array
sparse array
linked list
How to use the typedef struct in C
Key takeaways typedef allows us to create simpler names for complex data types such as struct , improving code readability. Use typedef to avoid repea...
What is a hash map in C++?
In computer science, a hash map , often called a hash table, is a common data structure that offers effective key-value pair storing and retrieval. It...
What are control statements?
In general, control statements help with the control flow of the program. But, do we mean by control flow? Control flow is the order in which the stat...
How to convert a string to a time in Golang
Key takeaways: The time.Parse() function in Golang is essential for converting a string into a time object. The function requires two parameters: a fo...
What is Amazon Redshift?
Amazon Redshift is a data warehouse service provided by Amazon Web Services (AWS) that can process petabytes of data. It is designed for large-scale ...
What are keyword arguments in Python?
Key takeaways: Keyword arguments are values passed into a function using the parameter name, making the argument order irrelevant. Positional argument...
python
parameter
argument
arbitrary
Image resizer using Python Pillow library
In digital content, images play a significant role in communicating messages aesthetically. Nevertheless, optimizing images for different platforms an...
image resizer
python
pillow library
How to build a weather app in React
Weather applications carry a lot of importance in today’s world, providing various benefits to users everywhere. One of the main benefits is being abl...
How to use the Bash command line history
Understanding how to navigate and utilize the command line history in Bash can significantly enhance productivity and efficiency for both novice and e...