How to combine the MAX() function with the WHERE clause in SQL
Overview The MAX() function is used with the WHERE clause to gain further insights from our data. In SQL, the MAX() function computes the highest or m...
How to make an Axios GET request
Axios is a Promise-based HTTP client for JavaScript that can be used in front-end applications and Node.js backends. What is a GET request A GET reque...
How to use the max() function in C++
The max() function in C++ accepts two values and returns the larger one. This function is available in <algorithm.h> . The max() function helps ...
How to view unpushed Git commits
Overview Git is a free and open-source distributed version control system. In this shot, we'll learn how to view git commits that have not been pushed...
How to get the Anaconda prompt on macOs
Anaconda prompt is similar to a terminal or command prompt (cmd). It refers to a black screen used to type in the commands by the user. Note: You can ...
What is delete() in Go?
Overview delete() is an inbuilt function that deletes an element with a specified key from a map. Below is the prototype of delete() in Go, which show...
Calculating the exponential value in Python
Key takeaways: The exponent value is calculated by multiplying the base number by the number of times specified by the exponent, accommodating positiv...
How to find sum of a list in Go
Go is an open-source programming language developed by Google. In Go, we can calculate the sum of a list or slice by using a loop and maintaining a va...
How to check Jenkins version
We need to check the Jenkins version for reasons such as compatibility with plugins, integrations, and dependencies. Additionally, we need to know the...
How to use for_each to iterate over a list in Terraform
Key takeaways: The for_each expression enables the iteration over elements in a collection which allow you to manage similar resources dynamically and...
How to compute the sum of even numbers
Sum of even numbers We can run this program using for loop , while loop , or do while to find the sum of even numbers within a given range of numbers....
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...
How to represent dictionaries in YAML
What are dictionaries? Dictionaries are a common data structure in many programming languages. A dictionary is a data structure that allows us to stor...
What is string.len in Lua?
In Lua, the string.len() function is used to get the size of a string. Here is a visual representation of this function: Syntax string.len(str) Parame...
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
Convert a PIL image to NumPy array
Key takeaways: Converting a PIL image to NumPy array helps in image processing and numerical analysis. Use pip install Pillow numpy to get Pillow for ...
pil
numpy
image processing
python
What is the array count() function in Python?
Overview An array in Python is used to store multiple values of the same data type in a single variable. The count() method is used to return the numb...
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...
How to check the pandas version in Python
Before working with pandas, we must ensure the correct version is installed on our system. We can check if the correct pandas version is installed usi...
How to delete all items in DynamoDB
What is dynamoDB? DynamoDb is a fully managed NoSQL database service provided by Amazon Web Services. It is a highly available and durable service wit...