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 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...
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 implement rising factorial in Python
In mathematics, a rising factorial is represented by x ( n ) x^{(n)} x ( n ) , where x ( n ) = x × ( x + 1 ) × … × ( x + n − 1 ) x^{(n)}=x×(x+1)×…×(x+...
How to style links in CSS
Key takeaways: Understanding the various link states—default ( a ), visited ( a:visited ), hover ( a:hover ), active ( a:active ), and focus ( a:focus...
What is the difference between ELT and ETL?
Data integration combines data from different sources to provide a unified and complete dataset for analytical purposes. Data integration is an import...
How to ensure concurrency using threading in Python
In this digital era, optimal performance is crucial to any application and cannot be achieved without handling multiple tasks concurrently. Python is ...
How to fix software system failure
Software system failure is an inevitable occurence that should be anticipated during the design phase. If we carelessly design our systems that lack f...
How to use animations in AngularJS
An animation occurs when the alteration of an HTML element creates the perception of movement. AngularJS, an older JavaScript framework succeeded by A...
Finding all the factors of a natural number in C++
The factors of any number are whole numbers, which can divide the number evenly The division will leave no remainder . 1 1 1 is, by default, a factor ...
File handling in Python
Key takeaways: Importance : File handling is essential for reading, writing, and managing files in Python, enabling efficient data storage and process...
file operations
python3
file handling