Pierre D

Pierre D has asked 19 questions and find answers to 71 problems.

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About

...from banging assembly code in the early eighties to crunching petabytes nowadays, I love Computer Science and things that go fast.

Pierre D questions

change multiindex level: "ValueError: On level 0, code max >= length of level"
How to get an instance of sun.nio.fs.UnixFileSystem on a Windows machine?
PostgreSQL regexp with case-insensitive parts
When is ** understood by file glob()?
Is it possible to specify the pickle protocol when writing pandas to HDF5?
How to bundle many files in S3 using Spark
How to use apply to generate a data frame row by row?
SQL way to get the MD5 or SHA1 of an entire row
IPython Notebook Javascript: retrieve content from JavaScript variables
Order-invariant hash in Python

Pierre D answers

An easy way to calculate time intervals between dates in a column in Python
Stream a .zst compressed file line by line
Rolling average with window size an interval of column values
Speeding up the loops or different ideas for counting primitive triples
Python concurrent futures ProcessPoolExecutor and global variables: works on Linux, error on MacOS
Python dict with default value based on key
Backing up symlinks using AWS s3 sync
NumPy fancy indexing with provided output array
How to get an instance of sun.nio.fs.UnixFileSystem on a Windows machine?
How to fix a 'fatal Python error: _enter_buffered_busy: could not aquire lock for <_io.BufferedWriter name='<stdout>'> at interpreter shutdown' error?