Liu Zuo Lin


Extracting Specific Keys/Values From A Messed-Up JSON File (Python)

What to do when a messy JSON file gives you a massive headache

PythonJSON

“for i in range(len(list))” VS “for element in list” — When to Use Which

A beginner's guide on the two ways of iterating through a string or list.

PythonStringList

How To Display Images In Python Flask

Let’s say you have a Python Flask app. And you have a couple of images you want to display on your app frontend. Here’s how: Note: be mindful of the image’s exact filename, as it won’t show up if we…

PythonFlask

Python Flask — Passing Data From Backend To HTML

When I was just starting out with Python Flask, I found it pretty confusing to pass make my HTML communicate with my backend. This article hopes to explain this as simply as possible. Normally, when…

PythonFlask

WebSockets In Python FastAPI — Fetching Data At Super Speed

WebsocketsPythonData

Plot Multiple Graphs Per Row in Matplotlib (Python)

A tutorial on plotting multiple graphs per row in Python.

PythonGraphsMatplotlib

How to Sort Lists by Certain Conditions in Python

A guide on sorting lists by a certain condition in Python.

SortingListsPython

Private Attributes In Python OOP are Not Very Private

Private attributes are attributes of a class that can only be accessed within the class itself.

PythonOOPPrivate attributes

How to Create a Basic Form in Python Flask

A simple guide on how we can create a form in Python Flask asking for a name and an email, and pass this form data back to our Python code.

PythonFlaskForm

Python FastAPI — Serving Images, MP3 Files, etc. from Your Backend for Beginners

A beginners’ guide on how to serve images, MP3 files, PDF files, DOC files, etc. to frontend from backend using Python FastAPI.

PythonFastAPIFrontend

How to Generate Requirements.txt for Your Python Project

A guide to generating Requirements.txt for Python project.

PythonRequirements.txtPip

How to Specify Data Types in Python

CodingPython3Python