Comparator interface in java
What is comparator java.util.Comparator is an interface in java used for sorting or ordering of collections such as a List, Set, array etc. A comparator is mostly used to sort…
3 different methods for substring in javascript
Substring means a portion of a string. Substring is extracted based on numeric indexes. This article will explain 3 different ways in which a substring can be retrieved from a…
How to check if item exists in a tuple in python
Many times it is required to test if an element is present in a python tuple or to find a value in tuple such as while validating user input from among…
break statement in python
Python break statement is used to terminate or stop the execution of a loop based on some condition. As soon as the loop encounters break keyword, it is terminated and…
How to convert hex to decimal in python
Converting a hexadecimal string to decimal or integer format is often required in programming applications. A common requirement is to convert IP addresses in hex to their decimal form. This…
int function in python
Python library provides an int function which is used To convert a python string to an integer. To convert a number of a given base to a decimal. Here, decimal…
How to perform caching with Guava library
What is caching Caching means saving some data or records in a temporary location(referred as a cache) after they are fetched for the first time for later access. Caching is…
Difference between == and === in javascript
== and === fall under the category of javascript comparison operators since they are used for comparing two values. == operator is also called equals operator while === is called…
How to iterate dictionary in python
A dictionary in python is a collection of key-value pairs where each key is associated with a value. It is required to loop over elements of a dictionary either to…