Dan Nguyen dannguyen

## cbg.sh

# Helpful resources:
# https://superuser.com/questions/1188772/mac-command-to-change-the-background-color-in-a-terminal
# https://apple.stackexchange.com/questions/348762/how-to-have-a-random-background-color-in-terminal-app
# https://stackoverflow.com/questions/8063228/how-do-i-check-if-a-variable-exists-in-a-list-in-bash
cbg(){
    local OCMD=""
    local RED=0; local GRN=0; local BLU=0;
    local THEMES="pro basic grass homebrew ocean" ## preset themes
    local HELPMSG; read -r -d '' HELPMSG <<EOF

## _README.md

      
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                dannguyen
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                hello.txt and world.txt, for dan's pydataproject-template to remotely collect
              
          
      View _README.md
  
    
    This gist is meant just as remote storage for two text files, hello.txt and world.txt, as used by my data wrangling template project example:
https://github.com/dannguyen/pydataproject-template
Direct URLs for the files:
hello.txt: https://gist.github.com/dannguyen/df87d9d4cf42ed7b4f9549553ea5b8c8/raw/9bf95b5c6e234e491821cd355f6db1ec655cbe38/hello.txt
world.txt: https://gist.github.com/dannguyen/df87d9d4cf42ed7b4f9549553ea5b8c8/raw/9bf95b5c6e234e491821cd355f6db1ec655cbe38/world.txt

  
## PRODUCTION-READY-CODE.html
<!doctype html><title>PRODUCTION READY CODE MOTHAF KER!</title>

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>

## visualise.py
import matplotlib.pyplot as plt
from PyQt5 import QtCore
import numpy as np
import time
import math


class VisualiseFrequency(QtCore.QThread):

    def __init__(self, song, canvas, player):

## spleeter-and-ffmpeg-quick-tutorial.md

      
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                Example use of spleeter (Python+Tensorflow audio-extraction library and ffmpeg
              
          
      View spleeter-and-ffmpeg-quick-tutorial.md
  
    
    This is a guide that basically combines protolium's very helpful ffmpeg cheatsheet with the spleeter library.
Here's a tweet thread that shows a video snippet, with separate bass, vocals, and drums track:
https://twitter.com/dancow/status/1191068710968209408
Installing stuff

  
## nihao-excel-README.md

      
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              Last active Oct 25, 2019
            
              
                ni hao world (testing unicode in Excel)
              
          
      View nihao-excel-README.md
  
    
    Does Excel correctly open utf8-encoded CSV files?
(using Office for Mac 16.16.15)
printf "hello,world\nNǐ hǎo,shìjiè\n你好,世界\n" > nihao.csv
# or:
# curl -o nihao.csv https://gist.githubusercontent.com/dannguyen/13d5c39d499e4bbec622e055283fbb19/raw/f1c50ced36033b9a3aed36ebbbf0cf8734a98809/nihao.csv
  
open -a 'Microsoft Excel' nihao.csv

  
## modern-cli.md

      
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                Modern command-line utility replacements
              
          
      View modern-cli.md
  
    
grep

rg (ripgrep)
ack


find

fd; HN discussion


cut (extracting delimited data)

xsv
csvkit
miller; HN discussion


cd


## overview-wapo-dea-pain-pills-db.md

      
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              Last active Nov 20, 2019
            
              
                Working with the DEA ARCOS pain pills database https://www.washingtonpost.com/national/2019/07/18/how-download-use-dea-pain-pills-database/

              
      View overview-wapo-dea-pain-pills-db.md
  
    
    The full raw file can be downloaded from this WaPo article page (direct link here]
Here's a link to the Drug Enforcement Agency Office of Diversion Control's ARCOS Registrant Handbook
$ curl -Lo arcos_all_washpost.tsv.gz \
  https://d2ty8gaf6rmowa.cloudfront.net/dea-pain-pill-database/bulk/arcos_all_washpost.tsv.gz

$ gunzip arcos_all_washpost.tsv.gz

  
## bashfoo.yaml
"""
bashfoo.yaml

https://gist.github.com/dannguyen/ad80b9d03f755822d3cc03174bcbef74

Dan Nguyen's personally curated list of bash/command-line commands and snippets
  that are useful but yet he keeps forgetting

"""
# gist: https://gist.github.com/dannguyen/ad80b9d03f755822d3cc03174bcbef74

## aws-textract-sample-readme.md

      
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                dannguyen
                / aws-textract-sample-readme.md
            
            
              Last active Jul 19, 2019
            
              
                A gist of AWS Textract sample/demo data for easy reference and preview, in case you're curious how well Amazon does when it comes to pdf-to-csv
              
          
      View aws-textract-sample-readme.md
  
    
    AWS Textract -- sample document image and data from the offical demo
AWS Textract is now out of closed beta. You can read the features page here, and you can also read about its limits here (e.g. no handwriting). Basically, if you've ever had to deal with the hell of getting structured data out of a PDF (scanned image or not), Textract is aiming for your business:

This short gist contains some of my brief observations about Textract and its demo, as well as direct links to the most relevant and important files, such as the Textract demo sample image and the resulting data files from Textract's API. If you have an AWS account, I h