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Read a variable in bash with a default value
I need to read a value from the terminal in a bash script. I would like to be able to provide a default value that the user can change.
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Read file data without saving it in Flask
...plication. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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Read a zipped file as a pandas DataFrame
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If you want to read a zipped or a tar.gz file into pandas dataframe, the read_csv methods includes this particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip'...
Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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Why is “while ( !feof (file) )” always wrong?
I've seen people trying to read files like this in a lot of posts lately:
5 Answers
5
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Read an Excel file directly from a R script
How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R?
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How do I read an entire file into a std::string in C++?
How do I read a file into a std::string , i.e., read the whole file at once?
15 Answers
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
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Obviously the write to currentPos doesn't happen-before the read of it, but I don't see how that can be the issue.
currentPos = new Point(currentPos.x+1, currentPos.y+1); does a few things, including writing default values to x and y (0) and then writing their initial values in the ...
How to load a tsv file into a Pandas DataFrame?
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Note: As of 17.0 from_csv is discouraged: use pd.read_csv instead
The documentation lists a .from_csv function that appears to do what you want:
DataFrame.from_csv('c:/~/trainSetRel3.txt', sep='\t')
If you have a header, you can pass header=0.
DataFrame.from_csv('c:/~/...
How to read a line from the console in C?
What is the simplest way to read a full line in a C console program
The text entered might have a variable length and we can't make any assumption about its content.
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