In this article, you will learn how to get the content of a class in Python. Let’s say you have a class named Dog with attributes breed and origin. In order to the content of a class, you can use the dir() method. Note: The dir() method functions by returning all properties, methods, and built-in […]
In this article, you will learn how to reverse a list in python in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to reverse a list, you can use the list.reverse() method. Note: The list.reverse() method functions by reversing the elements in a list.
In this article, you will learn how to drop rows with missing values in Python. Let’s say you have a DataFrame of food with two columns, “Name” and “Price ($)”. One of the data in column “Price ($)” is missing and therefore labelled as pd.NaT. In the pandas module, NaT is used to represent missing […]
In this article, you will learn how to calculate the mode of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 1, 3, 2, 2, 1, 3, 4]. In order to calculate the mode of a list, you can use the statistics.mode() method. Note: The statistics.mode() method functions […]
In this article, you will learn how to square a number in Python. Let’s say you have an integer named ‘a’ with value 22. In order to calculate the square of a number, you can use the pow() method. Note: The pow() method functions by raising the first argument to the power of the second […]
In this article, you will learn how to calculate the mean of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to calculate the mean of a list, you can use the statistics.mean() method. Note: The statistics.mean() method functions by returning the mean […]
In this article, you will learn how to calculate the sum of a list in Python. Let’s say you have a list named ‘a’ with value [1, 2, 3, 4, 5]. In order to calculate the sum of a list, you can use the sum() method. Note: The sum() method functions by adding all items […]
In this article, you will learn how to check the data type of variables in Python. Let’s say you have 5 variables. In order to check the data type of variables, you can use the type() method. Note: The type() method functions by returning the class type of supplied argument.
In this article, you will learn how to convert string to int in Python. Let’s say you have an integer represented as a string. In order to convert string to int, you can use the int() method. Note: The int() method functions by converting the supplied value into an integer.
In this article, you will learn how to round off numbers in Python. Let’s say you have a float variable with value 123.45 In order to round off numbers, you can use the math.ceil() method or math.floor() method. In this example, you will be rounding up and down the float variable ‘a’. Note: The math.ceil() […]
In this article, you will learn how to find an element in a list in Python. Let’s say you have a list of food. In order to find an element in a list, you can use the in operator. In this example, you will be searching for “Pizza”. Note: The in operator functions by checking […]
In this article, you will learn how to do case-insensitive string comparison in Javascript. Let’s say you have 2 string variables. In order to do case-insensitive string comparison, you can use the String.localeCompare() method. In this example, you will be doing a comparison between two strings using English as locale and sensitivity equals to base. […]
In this article, you will learn how to force a value conversion to boolean in Javascript. Let’s say you have 2 variables. In order to force a value conversion to boolean, you can use the double bang operator, !!. Note: The double bang operator, !! functions by returning the truthy value of its operand. The […]
In this article, you will learn how to format numbers as a currency string in Javascript. Let’s say you have a number variable ‘a’ with value 12345.60 In order to format numbers as a currency, you can use the Intl.NumberFormat()method. In this example, you will be formatting a number into a currency of type USD. […]
In this article, you will learn how to swap two values without a temporary variable in Javascript. Let’s say you have 2 variables. In order to swap two values without a temporary variable, you can use the ES6’s destructuring assignment. In this example, you will be swapping the values of variable ‘a’ with value of […]
