Python has three similar data structures that can hold an unordered collection of elements: list, tuple and set. Here's how they differ: initialization list: using the built-in list() or the square brackets ([]): list1 = list() # creates an empty list list2 = [] # also creates an empty list list3 = ['a', 'b', 'c', … Continue reading Difference among list, tuple and set in Python and when to use each one
Sending docker container logs to a separate file
In a large web application, the backend logs can get quite verbose: requests created, sent, processed, received, etc. The list can grow large very quickly depending on how logs are implemented. You can check the logs from a Docker container using docker logs, no need to exec into the container: docker logs <container_id> You can … Continue reading Sending docker container logs to a separate file
Book review: Think Like a Programmer
Note: I'm not being paid or receiving any kind of compensation for this review. TL;DR: This is a very good book. If you are a software developer I highly recommend it! Book cover of "Think Like a Programmer", by V. Anton Spraul Earlier this year I finished reading: Think Like a Programmer: An Introduction to … Continue reading Book review: Think Like a Programmer
Debugging Python applications (plus free cheat sheet)
My primary debugging tool is to add print statements to my programs</confession_time>. Print statements are very easy to use and they work well for any simple scripts. But that's the catch: if you're debugging an application and/or a test file, print statements won't be enough or will just not work (in the case if tests … Continue reading Debugging Python applications (plus free cheat sheet)
Command line shortcuts
I normally don't use many shortcuts because it's easier to just use my arrows and mouse to navigate than to memorize shortcuts but I am slowly realizing that the time spent on learning a new shortcut pays off. However, my memory is not that great and if I try to memorize multiple things at once, … Continue reading Command line shortcuts
Add a filename in the command line when running a Python script
OR: Run a Python script with arguments You can add arguments to the command line when running python scripts by importing the sys module from Python's standard library and using its argv function. Some examples: A simple script that displays the user name: def main(): name = 'Frodo' print(f'Hello, {name}') if __name__ == "__main__": main() … Continue reading Add a filename in the command line when running a Python script
Display nested dictionary content sorted by key in Python
Given a nested dictionary like this: dog_breeds = { 'Labrador Retriever': {'life_span': 14, 'male_weight': '36 Kg', 'female_weight': '32 Kg'}, 'Beagle': {'life_span': 15, 'male_weight': '11 Kg', 'female_weight': '10 Kg'}, 'German Shepherd': {'life_span': 13, 'male_weight': '40 Kg', 'female_weight': '32 Kg'}, 'Jack Russell Terrier': {'life_span': 16, 'male_weight': '8 Kg', 'female_weight': '8 Kg'}, 'Rottweiler': {'life_span': 10, 'male_weight': '60 Kg', … Continue reading Display nested dictionary content sorted by key in Python
