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Questions - python

Split by coma the content of python list embedded in list

I need help in splitting by coma a content of a list that is inside a list, basically I have such data [['Department of Computer Languages and Computing Sciences, University of Málaga, Málaga, Spain']...
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Axton

python

list

split

sublist

Votes: 1

Answers: 1

Latest Answer

You may have already solved this problem. However here is my attempt. We can use basic list and string functionality.Your data seem to be a mix of strings in some list entries and nested lists in othe...
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Michael Morar

@michaelmorar

AWS boto iterator returns bytes instead of strings: _csv.Error: iterator should return strings, not bytes (did you open the file in text mode?)

We have a large .csv file on an S3 bucket. We want to read it into a dictionary for processing line by line. botocore.response.StreamingBody provides an iterator that you can get with iter_lines(). Ho...
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Stan Ostrovskii

python

amazon-web-services

csv

boto

Votes: 0

Answers: 1

Latest Answer

Worked for me in Python 3 by wrapping iter_lines with str. Try this - csv_reader = csv.DictReader(str(body.iter_lines(chunk_size=1024)), fieldnames=FIELDNAMES) iter_lines returns bytes. Converting it...
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Pankaj Saini

Azure Synapse Serverless SQL Pools - how to optimize transformations using notebooks and load tables into ADLSG2

We use Synapse Notebooks to perform data transformations and load the data into fact and dimension tables within our ADLSG2 data lake. We are disappointed with the time it takes to load the transform...
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Phil

python

dataframe

apache-spark

jupyter-notebook

azure-synapse

Votes: 0

Answers: 0

tensorflow 2 use keras.sequence as data generator for training machine learning model with multiprocessing error

I would like to do a test about training a machine learning model on EC2 instance with only CPUs from jupyter notebook. The code is tensorflow 2.8. Based on the tf doc, https://www.tensorflow.org/api_...
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user3448011

python

tensorflow

machine-learning

keras

tensorflow-datasets

Votes: 0

Answers: 1

Latest Answer

If you want to parse / deserialize a tf.train.Example, you have to serialize it first by creating a protobuf string. Otherwise it makes no sense. Here is an example: import tensorflow.keras as keras i...
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