Python UnicodeDecodeError



When you are reading CSV file (spreadsheet), make sure you set encoding="utf-8", or you might get:

UnicodeDecodeError: 'utf-8' codec can't decode byte
(result, consumed) = self._buffer_decode(data, self.errors, final)



def read_rows(CSV_file_path: str):
 
    import sys
    print("default encoding", sys.getdefaultencoding())
    import csv
    rows = []
    with open(CSV_file_path, 'rt', encoding="utf-8") as csvfile:
        cvs_reader = csv.reader(csvfile, delimiter=',', quotechar='"')
        for row in cvs_reader: # row is a list
            rows.append(row)
    return rows


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Using Docker containers on Mac

Install Docker on Mac


https://download.docker.com/mac/stable/Docker.dmg


$ docker --version
Docker version 17.03.1-ce, build c6d412e

$ docker-compose --version
docker-compose version 1.11.2, build dfed245

$docker-machine --version
docker-machine version 0.10.0, build 76ed2a6

Docker for Udacity Machine Learning

$ docker pull kyoungrok0517/tensorflow-udacity

Docker for Raspberry Pi

Having created a large Pi cluster, the next logical step is to deploy various microservices in Docker containers on Pi.

https://www.raspberrypi.org/blog/docker-comes-to-raspberry-pi/












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Python OCR for robotics.

I was thinking that it would be cool for my robots to have text reading capability, also known as OCR.

I was testing Python pytesseract library:


https://github.com/UkiDLucas/uki.guru/blob/master/OCR/ocr.ipynb


So far no success, but it will be worth trying.


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My favorite quotations..


“A man should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.”  by Robert A. Heinlein

"We are but habits and memories we chose to carry along." ~ Uki D. Lucas


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