Learn to Code. Shape Your Future
CodeFather is the place where people from all over the world learn to code and build knowledge that helps them shape their future.
This blog is here to teach programming in a practical and effective way that will give you the confidence to make even a bigger difference in your current job, to look for your dream job or to build your own dream project.
When you create a Python application there is one thing that can make your life a lot easier: class inheritance. Let’s learn how to use it. Class Inheritance allows to create classes based on other classes with the aim of reusing Python code that has already been implemented instead of having to reimplement similar code. … Read more
I know how to write scripts in Python and now I want to learn object-oriented Python. How can I create my first Python class? Creating a Python class means writing code that allows you to put together the data and behaviors that best describe a specific concept or entity. The data in a class is … Read more
Knowing how to replace a string in a file helps if you want to create Bash scripts to automate the configuration of systems or applications. To replace a string in a file using a Bash script you can use the sed command. The sed command allows to perform text manipulation and it can be called … Read more
One of the basic things required in Bash is detecting the number of arguments passed to a script. The reason behind that is being able to modify the behaviour of your script depending on the value and on the number of arguments passed to it. How do you find the number of arguments in Bash? … Read more
If you are either familiar with Python or if you are starting with it now, it’s likely that you have heard about the Python input function. The Python input built-in function allows to capture the input provided by a user during the execution of a program. The input function returns the input in string format … Read more
The Python error “too many values to unpack” occurs when you try to extract multiple values from a data structure into variables that don’t match the number of values. For example, if you try to unpack the elements of a list into variables that don’t match the number of elements in the list. We will … Read more
Understanding how Python virtualenv works is one of the things you should know when you get started with Python. Python virtualenv creates an isolated environment in which you can install all Python dependencies you need for your project. If you work on multiple projects that require different dependencies using virtual environments allows to keep those … Read more
I have heard people asking what is the difference between grep and find multiple times in the last few years. It seemed obvious to me, but maybe it’s not if you are getting started with Linux. What is the difference between the grep and find commands? Find is a utility to search for files and … Read more
In this tutorial you will learn how to find the port of a process running on a Linux system. This is a very common thing we need to know when we manage applications on Linux, especially if they have been configured by someone else. How do you find the port of a process running on … Read more
Are you using Linux and you have seen the “Command Not Found” error while trying to execute a command? It’s time to find out why. We will look at this error together and understand how to fix it. What is the cause of the command not found error? The “Command not found” error is caused … Read more