Posts by Heber Araujo • 103 points
12 posts
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answer21
viewsA: Command at the Windows CMD prompt
I found it. The operator && is executed when there is success. And with & it executes the next command with or without success.
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votes1
answer21
viewsQ: Command at the Windows CMD prompt
I use the following command at the prompt to unzip the file and at the end close the window. However, when there are no more files, it informs that it has no file and does not close the window. How…
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answer370
viewsQ: Group by com Python[Nympy or Pandas] - Bring the 1st line and last line by date
Good afternoon forum colleagues. I’m having a hard time bringing the 1st line and the last row grouped by date. However, I would like to bring this data in the format I am using group By in sum or…
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votes1
answer542
viewsA: plotly Candlestick in python
blz. The staff of the plotly site helped me with that doubt. I share with vcs the response link. It is not the same, but it is easy to make adjustments to the initial idea.…
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answer542
viewsQ: plotly Candlestick in python
I built a Candlestick chart using the plotly and would like to know if it is possible to create on top of this graph, based on the column flag which contains the number 1, a rectangle superimposing…
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answers275
viewsQ: Split dataframe according to number of lines
I wonder if it is possible to separate in a way a date frame of +- 300000 lines in pre-set amounts of lines and save in xlsx as the headers each part. I thought of using Loc, but I would have to use…
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answer1645
viewsQ: Cumulative sum per line
Good afternoon colleagues I would like a help. In the code below i Gero a new column (accumulated) using cumsum. The result is a cumulative sum for each row. However I need to bring the accumulated…
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answer211
viewsQ: Transpose columns to rows in Python data frame
Good evening Stack colleagues. First I want to thank you for the help that this vcs provide. I come please ask for more help. According to the image below, I would like to transpose all data…
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answers2125
viewsQ: Format Time in a Python data frame
I’m trying to format the column that brings the hours with milesimos, that is, to take milesimos and visualize hh:mm:ss only.…
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answer873
viewsQ: Unzip file . gz with Python
I’m using the code below that I took at this address. But I’m not able to unzip files .gz. I’ve tried the library tarfile, but without success. Follow the code below: from io import BytesIO from…
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answer439
viewsQ: Filters in TXT file
https://drive.google.com/open?id=1ud743B57XM_iZ_wvQrSYGRrMo-5nT94p I have a file txt that I have to apply a filter to bring me a field in column 2. And then save the result in csv, so it’s easier to…
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answer214
viewsQ: Similarity of Texts
Good evening, you guys, I would like a help from you, because I am starting in R, and I have a demand, where I have to signal the lines where there are similar phrases. For that, I’m using the…