Often you may need to check if string contains substring in JavaScript. Here are the different ways to do it.
How to Check Whether String Contains Substring in JavaScript?
How to Create Dictionary from Lists in Python
Sometimes you may need to create dictionary from lists in Python. Here are different ways to do this.
How to Remove Duplicates from List in Python
Sometimes you may need to remove duplicates from Python list. Here are different ways to delete duplicate in Python List.
How to Remove Empty Elements from JavaScript Array
Sometimes you may need to remove empty elements from JavaScript array. Here are the different ways to do this.
How to Insert New Column to Pandas DataFrame
Often Python developers need to add one or more columns to Pandas dataframe. Here is how to insert new column to Pandas dataframe.
How to Change Order of Dataframe Columns in Python
Sometimes Python developers need to alter column order of Pandas dataframe. Here is how to change order of dataframe columns in Python.
How to Select Multiple Columns in Pandas DataFrame
Sometimes Python developers need to select many dataframe columns. Let us learn the different ways to select multiple columns in Pandas Dataframe.
How to Randomly Select Item from Python List
Sometimes you may need to pick random items from Python list. Here is how to randomly select item from Python list.
How to Detect Invalid Date in JavaScript
It is important to check if JavaScript date values are valid. Here are different ways to detect invalid date in JavaScript.
How to Find Sum of Array of Numbers in JavaScript
Sometimes you may need to calculate sum of array items. Here are different ways to find sum of array of numbers in JavaScript.