Learning - Page 3

Javascript Remove Last Character : In this tutorial we will study the different methods to remove the last character of a string in the Javascript language. Introduction In some situations, it may be necessary to delete the last character of a string. In Javascript, there are several ways to do this: Remove the last character using the slice() function.Remove the last character using the substring() function.Remove the last character using the substr() function. In the rest of this tutorial I will explain how to use these 3 Javascript functions with some examples. Javascript Remove Last Character From String Using slice() function The slice() function extracts the sub-string…

Pyspark parallelize: In this tutorial, we will see how to use the parallelize() function to create an RDD from a python list. Introduction The pyspark parallelize() function is a…

Validate an email with javascript : In this tutorial, we are going to see the different ways to validate an email address in javascript as well as all the options available to perform this validation.

Pyspark concat: In this tutorial we will learn how to concatenate two columns or more in a pyspark dataframe. If you want to learn more about spark, you can read this book : (As…

PySpark Drop Column : In this tutorial, I will learn how to delete a column or several columns from a Dataframe pyspark. Introduction When working on raw data, it is often necessary to delete columns…

Pygame Draw : In this tutorial, we will see how to create simple geometric figures with the Draw function of the Pygame module. Introduction Pygame is…

We will see in this tutorial how to install the pygame module on Windows or MAC using pip or the PyCharm editor. Introduction When you’re new to Python programming, the best way to improve your…

In this tutorial we will show you how to enable or disable a javascript button. Introduction On the Web, forms are often used for the user to enter information. Most of the time, you will…

PySpark Rename Column : In this turorial we will see how to rename one or more columns in a pyspark dataframe and the different ways to do it. Introduction In many occasions, it may be…

PySpark Explode : In this tutorial, we will learn how to explode and flatten columns of a dataframe pyspark using the different functions available in Pyspark. Introduction When working on PySpark, we often use semi-structured…