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How to Get Highlighted/Selected Text in JavaScript

Sometimes you may need to get highlighted/selected text in JavaScript. Here are the steps to get highlighted text from your web page.

Sometimes you may need to call JS function in Iframe from parent page. Here are the steps to do so.

Sometimes you may need to prevent page refresh on form submit. Here is how to disable page refresh on form submission in JavaScript.

Sometimes you may need to check if object is array in JavaScript. Here are the steps to do so.

Sometimes you may need to reverse/invert dictionary mapping in python. Here are the steps to do it.

Sometimes you may need to sort list of tuples of list of lists by second element. Here is how to sort list of tuples by element at index.

Sometimes you may need to configure Python flask to be publicly accessible. Here is how to configure python flask to be externally visible.

Sometimes you may need to import python file into your python script. Here are the different ways to do this.

Sometimes you may need to remove punctuation from string in Python. Here are the steps to do this.