For many people, image processing may seem like a scary and daunting task but it is not as hard as many people thought it is. In this tutorial we’ll be doing basic color detection in openCv with python.How does color work on a computer?We represent colors on a computers by ... Read More

This example demonstrates how to add an action icon in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In the above ... Read More

This example demonstrate about How to use handler in androidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In the above code, ... Read More

Python provides many ways to measure the time of execution for a piece of python code. One way is to use the python inbuilt time module and save the time before and after the execution of the program?Python timeitWhen some program is running, many processes also run in the background ... Read More

Python provides two built-ins functions for “AND” and “OR” operations are All and Any functions.Python any() functionThe any() function returns True if any item in an iterable are true, otherwise it returns False. However, if the iterable object is empty, the any () function will return False.Syntaxany(iterable)The iterable object can ... Read More

This example demonstrate about Standard Android Button with a different colorStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In the above ... Read More

It is possible to pass some values from the command line to your C++ programs when they are executed. These values are called command line arguments and many times they are important for your program especially when you want to control your program from outside instead of hard-coding those values ... Read More

This example demonstrates How to enable back button action in the action bar.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In ... Read More

Before getting into an example, we should know what singleton design pattern is.  A singleton is a design pattern that restricts the instantiation of a class to only one instance. Notable uses include controlling concurrency and creating a central point of access for an application to access its data store.This ... Read More

In C or C++, the main function is like other functions. So we can use the functionalities that are present in some other functions, also in the main function.In the following program, we will see how the main() is using recursively to print some numbers in reverse order.Example Code#include ... Read More