ChrisThe answer to this one is simple (but not so easy to implement): Write a Python program to be executed on each machine. Write a (bash / shell) script that connects to your machines via SSH and starts the Python programs. You’ll need the IP addresses of all your machines. Use Python socket connections (based … Read more
You should style your code according to the PEP 8 standard which was co-authored by Python’s creator Guido van Rossum. It has very high credibility and Python coders all around the world follow this style guide. However, the style guide is quite lengthy and boring to read. I would rather recommend that you use an … Read more
String → Integer: Integer → String:
Today, many senior coders know that their peers are already earning six figures. Yet, most coders don’t. What are the factors that influence whether someone receives a high Python salary? Set Your Goals The Right Way: It sounds trivial but before you can start to increase your salary as a developer, you have to set … Read more
Guido doesn’t like lambda functions too much. Yet, most large code projects contain a lot of them! (Many coders use lambda functions as GUI callbacks, etc.) In this “Coffee Break Python” email series, we take a pragmatic approach regarding Python code style — living in the “is” rather than in the “should be” world. Can … Read more
You may know the following surprising code snippet: The following explanation is from the puzzle-based learning Python workbook: This puzzle performs a simple arithmetic computation adding together the float value 0.1. The question seems to be very simple—but as we’ll see in a moment, it’s not simple at all. Your inner voice is wrong. And … Read more
In this article, you’ll study a beautiful Python puzzle which was created by my friend and co-author Lukas. When I saw this puzzle the first time, I was very lazy about it. I looked at the puzzle and immediately threw my answer into Lukas’ face. It was so obvious… But Lukas kept smiling and I … Read more
To prevent data loss, do you want to create the following warning popup (alert) before a user of your web page attempts to close, reload, or leave the page via the “back” button? You can do this in a simple step: just copy and paste the following JavaScript code snippet between the <head> … </head> … Read more
I recently finished the educational Python web app Pythonchecker.com for Python code analysis: Before starting the app, I wondered: what’s the fastest way to set up a Python-based web application? My previous Django-based application was self-hosted on a bare metal machine. This was highly complex, error-prone, and tedious. I had to learn Apache web server … Read more
Does your code always follow the PEP standard?Have you ever been criticized for not writing “Pythonic code”? I know I have — especially when I was just starting out with Python a few years ago. This can be frustrating because criticism is not always constructive. Destructive criticism kills any motivation there is left for you … Read more
Yeah, Python is slower than other programming languages and has a larger memory footprint than C/C++. Read this article if you want to learn about Python’s “dark sides”. However, Python allows for rapid prototyping, makes programming so much easier for beginners and is one of the most effective ways of writing clean and meaningful code. … Read more
“Why is the Maximum here 10? Why is float lower than int in identical values? Is there a rule? Thanx!” — Albrecht This excellent question points out the main challenge of this puzzle. Consider the content of the above list [3+2, 5*2, 30/3]: You can see that the list contains two values that are expected … Read more