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Pandas read_csv low_memory and dtype options
... can only determine what dtype a column should have once the whole file is read. This means nothing can really be parsed before the whole file is read unless you risk having to change the dtype of that column when you read the last value.
Consider the example of one file which has a column called us...
Does reading an entire file leave the file handle open?
If you read an entire file with content = open('Path/to/file', 'r').read() is the file handle left open until the script exits? Is there a more concise method to read a whole file?
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Read a file one line at a time in node.js?
I am trying to read a large file one line at a time. I found a question on Quora that dealt with the subject but I'm missing some connections to make the whole thing fit together.
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Reading output of a command into an array in Bash
I need to read the output of a command in my script into an array. The command is, for example:
3 Answers
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Specifying colClasses in the read.csv
I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric.
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C read file line by line
I wrote this function to read a line from a file:
16 Answers
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Reading/parsing Excel (xls) files with Python
What is the best way to read Excel (XLS) files with Python (not CSV files).
12 Answers
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and o...
What is the difference between Reader and InputStream?
What is the difference between Reader and InputStream?
And when to use what?
If I can use Reader for reading characters why I will use inputstream, I guess to read objects?
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Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
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