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How to open a file for both reading and writing?
Is there a way to open a file for both reading and writing?
4 Answers
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How do you determine the ideal buffer size when using FileInputStream?
...s to a lot of files (>= 100,000). How big should I make the buffer used to read from the files to maximize performance?
9 A...
Load data from txt with pandas
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You can use:
data = pd.read_csv('output_list.txt', sep=" ", header=None)
data.columns = ["a", "b", "c", "etc."]
Add sep=" " in your code, leaving a blank space between the quotes. So pandas can detect spaces between values and sort in columns. Da...
AttributeError(“'str' object has no attribute 'read'”)
...he problem is that for json.load you should pass a file like object with a read function defined. So either you use json.load(response) or json.loads(response.read()).
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Read a text file using Node.js?
I need to pass in a text file in the terminal and then read the data from it, how can I do this?
5 Answers
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Python read-only property
...sense for an attribute to be settable (such as a derived value, or a value read from some static datasource), the getter-only property is generally the preferred pattern.
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java.net.SocketException: Connection reset
I am getting the following error trying to read from a socket. I'm doing a readInt() on that InputStream , and I am getting this error. Perusing the documentation this suggests that the client part of the connection closed the connection. In this scenario, I am the server.
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Trimming a huge (3.5 GB) csv file to read into R
...short, it's huge, and it's not going to fit into memory if I try to simply read it.
13 Answers
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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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Create Pandas DataFrame from a string
...IO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
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