Ben Chuanlong Du's Blog

It is never too late to learn.

No BLAS or LAPACK Found When Installing Scipy

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

To build Scipy from sources, BLAS & LAPACK libraries need to be installed. See site.cfg.example in the Scipy source directory and

sudo apt-get install gfortran libopenblas-dev liblapack-dev

The dependency requires …

Trait in Rust

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

Parse TOML Files in Golang

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

Tips and Traps

  1. If the schema of a TOML file is unknown, you can parse it into a generic object (any or map[string]any). When parsing a TOML file into a generic object, map

Bash Equivalent of the ifmain Pattern in Python

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

#!/usr/bin/env bash

function install_icon.usage() {
    cat << EOF
NAME
    /scripts/sys/install_icon.sh - Download and install icon to /usr/local/bin/.
SYNTAX 
    /scripts/sys/install_icon.sh [-h]
EOF
}

function install_icon …