Ben Chuanlong Du's Blog

It is never too late to learn.

DataFrame Implementations in Python

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

Alternatives to pandas for Small Data

  1. Polars is a blazingly fast DataFrames library implemented in Rust using Apache Arrow as memory model. It is the best replacement of pandas for small data at this time. Notice that Polars support multithreading and lazy computation but it cannot handle data larger than memory at this time.

Tips on Datafusion

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Rip Is rm Improved

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Installation on Ubuntu

cargo install rm-improved

Or you can use the following command if you use the tool xinstall. Notice that xinstall automatically configures rip to add a symbolic link to /usr/local/bin.

xinstall rip -ic

Usage

FTP on Linux

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Installation in Ubuntu

wajig install ftp

FTP

  1. Most FTP severs accpets only SFTP connections, which means that you have to log into those servers using sftp instead of ftp. The tricky …