Explore high-quality code snippets, learn best practices, and share your knowledge with the developer community
The Node.js File System (fs module) is a crucial component of the Node.js core API. It provides func...
Retrieve data from a table that meets specific criteria and sort it by a certain field. This SQL cod...
The following is a simple STM32 program example that uses the HAL library to light up an LED.
Remove duplicates from a list of dictionaries based on a specific key in the dictionaries.
Merge two dictionaries, where the latter overwrites the same keys of the former.
Use the requests library to download files from a URL and save them locally.
Flatten a 2D list (list of lists) into a 1D list and remove duplicate elements.
Get yesterday's date in Python and output it as a string.
Write a list of dictionaries to a CSV file and automatically generate headers.
Read JSONL (JSON Lines) files line by line in Python, suitable for processing large-scale datasets.
In Bash scripts, it is often necessary to check if a file exists and is not empty.
How to read JSON files with nested structures in Python and safely access deep-level fields.