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Tag: python

pd.read_csv() keep number of decimals

I want to read a csv but it culls the number of decimals: gives (first 2 rows, first five columns): enter image description here the original data (here) has 8 decimal places in the 3rd and 4th columns. I need those. 2211 196568.000 -25.732036008 28.282629130 1387.8994 2211 196569.000 -25.732032386 28.2826337…

How to put date(parsed from csv) in Python to mysql?

I’ve made separate simple example just to check what method would work with date in my case and didn’t find any solution. we have: db table: code CSV file example_v2.csv: Trace Could you please assist in even find the documentation fit my case or indicate the direction. I’ve already tried a …

What are these symbols in ‘bytes’ type?

So, I have a single byte in bytes format looking something like that: It is quite easy to understand that a single byte is the two symbols(0-F) after ‘x’ But sometimes the pattern doesn’t match, containing more than two symbols after ‘x’. So, for example, if I use secrets.token_b…

Select colums in pandas multi index dataframe

I probably have a rather simple pandas question, but despite having tried multiple solutions posted on stackoverflow, I can’t figure out how to do it properly. I have pandas multi-index Dataframe with the following structure: Image1 now I want to select a subset of this dataframe based on the first colu…

Pyomo find minimal sum of list values

I want to have an indexed binary variable so pyomo optimises it to minimise the total sum of the list while picking at least 2 elements. When I remove the (imo redundant) model.q I receive: ValueError: No variables appear in the Pyomo model constraints or objective. This is not supported by the NL file interf…