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...
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...
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 are CIS controls?
The Center for Internet Security (CIS) controls, formerly known as SANS Top 20, are a set of best practices and guidelines for enhancing an organizati...
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 do SEO
Did you know SEO existed before Google? In 1995, the rock band Jefferson Starship struggled to find their website online, sparking one of the earliest...
What are forms in AngularJS?
Key takeaways: AngularJS enhances basic HTML forms by providing powerful features such as two-way data binding, form validation, and easy controller i...
What is indexing in SEO?
Key takeaways: Indexing helps search engines store content for display in search results. Without indexing, content remains invisible, affecting visib...
How to perform A/B testing in user interface design
When designing an interface, first impressions matter. A well-crafted UI can determine whether a user stays engaged or exits the website or app. But h...
Provisioning the infrastructure resources using IaC tools
The demand for scalable infrastructure has never been higher in today’s rapidly evolving technology. Infrastructure as code (IaC) has become a powerfu...
iac
iac tools
infrastructure
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 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 is app store optimization (ASO)?
App store optimization (ASO) is a vital tactic used by mobile app developers and marketers to boost an app’s visibility and discoverability on platfor...
How to create and deploy repositories with AWS CodeCommit
AWS CodeCommit is a service for source code management (SCM) Source code management is the practice of tracking all changes to a source code repositor...
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...
Triggering modals for React Bootstrap
React Bootstrap https://react-bootstrap.netlify.app/docs/getting-started/introduction/ is a popular front-end framework that uses the React Javascript...
react
bootstrap
modal
css
javascript
What is privilege escalation?
Applications and systems are designed to accommodate multiple user accounts, providing distinct authoritative roles to perform specific actions. These...
Serverless security in system design
Serverless computing is a model in cloud-native in which developers can build applications and services without having to manage the underlying infras...