Python cv2 resize: How to Resize Image in Python
Image processing is one of the most performed tasks in this digital world. Image rotate, resize, and adding different filters are frequent operations that we perform regularly. Image resizing refers to the scaling of images. You can either…
Python cv2 rectangle: Draw a Rectangle using OpenCV
OpenCV is a programming library aimed at real-time computer vision. OpenCV-Python is the main library of Python that is specifically designed to solve computer vision problems. Suppose you are working on Machine Learning projects than you…
Top 7 Best Python Online IDEs and Interpreters in 2020
A code editor is a tool in which any developer or designer can write and edit the code for their software applications. The code editors are usually lightweight and can be great for learning. However, once your project gets bigger and more…
Top 10 Best Online IDEs For Every Programmers in 2020
Most of us are familiar with the term IDE which stands for Integrated Development Environment. Not long ago, we were using local text editors and IDEs in our machine, but now its cloud-based solutions times. Everything is deployed to the…
How to Implement Python 2D Array with Example
In every programming language, an array is represented as an array. The index is the number that states the location number of a particular item in the memory location.
Since array uses sequential memory, therefore the index numbers are…
JavaScript const vs let: The Complete Guide
ES6 brought two new ways to create variables in JavaScript,
const
let
Before ES6, there was only one way to declare and initialize the variable, which is through identifier var. The var has the following two scopes.…
Javascript let vs var: The Difference and Comparison
Javascript let, and var are both used for variable declaration. Before the ES6, JavaScript had only two types of scope:
Global Scope
Function Scope
Global Scope
Variables that are declared Globally (outside any function) have…
Javascript regex match: Check If String Matches Regex
JavaScript String match() method is used to search a string for a match against any regular expression and will return the match as an array if any match found.
Javascript regex match
JavaScript match() method searches a string for a…
Javascript Null Check: How to Check Null using Object.is()
To check what is the data type of variable in JavaScript, use the typeof operator. The typeof is a unary operator returns a string indicating the type of the unevaluated operand. The null value describes the intended absence of object…
How to Check for Undefined in JavaScript
To compare values in JavaScript, the triple equal sign is the one you're probably familiar with. The triple equals operator checks for strict equality between two values. Both the data type and value you're comparing have to be precisely…
How to Create Empty DataFrame in Pandas
To create a DataFrame from different sources of data or other Python data types like list, dictionary, use constructors of DataFrame() class. In this example, we will learn different ways of how to create empty Pandas DataFrame.
How to…
