To share variables between source files in C/C++ using the extern keyword, follow these steps: Step-by-Step … How to use extern to share variables between source files in C/C++?Read more
How to filter Pandas dataframe using ‘in’ and ‘not in’ like in SQL?
To filter a pandas DataFrame using “IN” and “NOT IN” logic (similar to SQL), you can … How to filter Pandas dataframe using ‘in’ and ‘not in’ like in SQL?Read more
How to create a new column where the values are selected based on an existing column?
To create a new column in a pandas DataFrame where values are conditionally derived from an … How to create a new column where the values are selected based on an existing column?Read more
How to pivot a dataframe in pandas ?
To pivot a DataFrame in pandas, you can use the pivot(), pivot_table(), stack(), unstack(), or melt() … How to pivot a dataframe in pandas ?Read more
What are metaclasses in Python?
In Python, metaclasses are classes that create other classes. They act as blueprints for class creation, … What are metaclasses in Python?Read more
What does “use strict” do in JavaScript?
The “use strict” directive in JavaScript enables strict mode, a stricter variant of JavaScript introduced in … What does “use strict” do in JavaScript?Read more
Is there a ternary conditional operator in Python?
Yes, Python has a ternary conditional operator (often called a “ternary expression”) that allows you to … Is there a ternary conditional operator in Python?Read more
How to set “checked” for a checkbox with jQuery
To set a checkbox as checked or unchecked using jQuery, use the .prop() method. Here’s how: 1. Check the Checkbox Set the checked property … How to set “checked” for a checkbox with jQueryRead more
How to check whether a checkbox is checked in jQuery?
To check if a checkbox is checked using jQuery, you can use the prop() method or the is() method. Here’s how: … How to check whether a checkbox is checked in jQuery?Read more
How to redirect the user from one page to another using jQuery or pure JavaScript?
To redirect a user to another page using JavaScript or jQuery, you can use one of … How to redirect the user from one page to another using jQuery or pure JavaScript?Read more