Show one Alert in React-Native : Showing an Alert message in React-Native is easier than you think. If you want to show a custom alert to the user, then you need to create a different component, but for default alert, we can use one API known as Alert. Alert API is used to show a […]
Typechecking in react js using propTypes
Typechecking in react using propTypes : Typechecking means validation of a specific type before using it. For example, if one component of your application is showing one string line, then typechecking will verify if the value we are trying to show is actually a valid string or not. If any other types of values like […]
pretty() method in MongoDB
pretty() method in MongoDB : pretty() method is used mainly to display the result in a more easy-to-read format. In this tutorial, I will show you how to use pretty() method and how the data looks with and without using pretty() and how the data looks like. The syntax of pretty() method is as below […]
Python translate method
Python translate() method : translate() method, as its name suggests, used to translate a string. Or, this is used to replace a set of characters with a different set of characters in a string. Both of the character set is mapped using a table. For creating the mapping table, one function maketrans() is used. The […]
Python raw strings : Explanation with examples
Raw strings in python: Explanation with examples : raw strings are raw string literals that treat backslash (\) as a literal character. For example, if we try to print a string with a “\n” inside, it will add one line break. But if we mark it as a raw string, it will simply print out […]
Convert an integer or float to hex in Python
Convert an integer or float to hex in Python : In this tutorial, we will learn how to find out the hex value of an integer or floating value in python. Using hex() method : Method hex() is used to find out the hex value of an integer number. The syntax of this method is […]
5 different ways to sort a list in ascending/descending order in Kotlin
How to sort items of a list in Kotlin : Sorting items of a list is one of the commonly faced step in software development. Not only in Kotlin, you will face it today or tomorrow in any programming language. Sorting items in ascending or descending order in a list is pretty easy for Kotlin. […]
How to use fold, foldIndexed, foldRight and foldRightIndexed in Kotlin
How to use fold, foldIndexed, foldRight and foldRightIndexed in Kotlin : If you want to do certain operation on the elements of a list serially, you can use fold(). This method takes one initial value and one operation to perform on the elements serially starting from the provided initial value. fold() performs the operation from […]
3 ways to concatenate two collections with distinct elements in Kotlin
Concatenate two collections with distinct elements in Kotlin : In ths tutorial, we will learn how to concatenate two collections with distinct elements. We will use two lists to show you the example. If the first list contains elements (1,2,3,4) and the second list contains (5,6,7), the final list after concatenation will hold (1,2,3,4,5,6,7). We […]
Python program to print a star hollow square pattern
Python program to print a hollow square pattern of star : In this tutorial program, we will learn how to print a hollow square pattern in python. We will show you how to print that pattern using star (*), but you can also modify the program to print the pattern using any other character or […]